CN208350289U - Vehicle-mounted mould group air-leakage test jig - Google Patents
Vehicle-mounted mould group air-leakage test jig Download PDFInfo
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- CN208350289U CN208350289U CN201820804614.9U CN201820804614U CN208350289U CN 208350289 U CN208350289 U CN 208350289U CN 201820804614 U CN201820804614 U CN 201820804614U CN 208350289 U CN208350289 U CN 208350289U
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Abstract
The utility model relates to a kind of vehicle-mounted mould group air-leakage test jigs, comprising: the first template (1) and the second template (2)；Further include two identical sealing rings (3), is separately mounted in first template (1) and second template (2)；The sealing ring (3) is equipped with locating piece (31)；First template (1) and second template (2) are equipped with and the locating piece (31) mutually matched position portion (4).The vehicle-mounted mould group air-leakage test jig of the utility model, can be accurately positioned sealing ring, guarantee that play will not occur for sealing ring when the first template and the docking of the second template detect vehicle-mounted mould group, to influence leakproofness.Simultaneously because being equipped with locating piece and position portion, sealing ring compressive deformation direction is consistent when the first template can be made to dock with the second template, thus better tightness.
Description
Technical field
The utility model relates to vehicle-mounted mould group air-leakage test technical fields, more particularly to one kind is for vehicle-mounted with buttock line
The jig of mould group air-leakage test.
Background technique
Vehicle-mounted camera mould group is often mounted on car periphery when in use, if camera air-tightness is bad, mould group warp
It will lead to inner accumulation steam after drenching with rain for a long time, in the case where there's a sudden fall in temperature, often will appear the camera phenomenon that hazes causes
Car shoots the visual field in the process of moving and obscures, to be prone to accidents.Therefore vehicle-mounted mould group air tightness detection equipment is met the tendency of
And give birth to, it is detected for the air-tightness to vehicle-mounted mould group.A kind of mode of vehicle-mounted mould group air-leakage test is by detecting vehicle
The air leakage of mould group is carried to judge the air-tightness of vehicle-mounted mould group, usually vehicle-mounted mould group is placed in seal cavity to vehicle-mounted mould group
The detection of air leakage is carried out, but since the product category of vehicle-mounted pick-up mould group is various, some mould groups also have buttock line, and take the photograph
As the buttock line circularity of mould group is poor, when existing air-tightness jig is sealed this kind of vehicle-mounted mould group with buttock line, it is difficult
Accomplish that the buttock line of camera module is fully sealed, the phenomenon that leakproofness is poor, and there are gas leakage, thus can be to vehicle-mounted mould air-tightness
The result of detection impacts.In addition, existing air-tightness jig, the positioning of sealing ring are difficult to ensure, be easy to happen wriggling or
Play also will affect the leakproofness to vehicle-mounted mould group.
Utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted mould group air-leakage test jig, solution seals in the prior art
The problem of drawing a circle to approve potential difference.
To realize above-mentioned purpose of utility model, the utility model provides a kind of vehicle-mounted mould group air-leakage test jig, comprising:
First template and the second template；
Further include two identical sealing rings, is separately mounted in first template and second template；
The sealing ring is equipped with locating piece；
First template and second template are equipped with and the mutually matched position portion of the locating piece.
One aspect according to the present utility model, the sealing ring include:
Inner ring, the locating piece are arranged on the inner ring；
Outer ring is fixed on the periphery wall of the inner ring, and the neighbouring locating piece position is equipped with opening；
The height of the inner ring is higher than the height of the outer ring.
One aspect according to the present utility model, the locating piece include the first protrusion and second being arranged in opposite direction
Protrusion,
First protrusion extends on the inner wall of the inner ring along the direction far from the inner ring inner wall；
Second protrusion extends on the outer wall of the inner ring along the direction far from the interior ring outer wall.
One aspect according to the present utility model, the position portion include:
First position portion cooperates with first protrusion, the first positioning convex platform including mirror symmetry setting；
Second position portion cooperates with second protrusion, the second positioning convex platform including mirror symmetry setting；
The height of first positioning convex platform and the second positioning convex platform is lower than the height of the locating piece.
One aspect according to the present utility model, the locating piece are equipped with cable-through hole, and the cable-through hole, which is equipped with, radially to be prolonged
The seal convexity stretched.
One aspect according to the present utility model, first template and second template are symmetrically arranged with:
Opening annular groove, second positioning convex platform are located at the opening of the opening annular groove towards the opening
Annular groove internal stretch；
Annular groove is located on the inside of the opening annular groove, is lower than the opening annular groove；
It is equipped with type chamber protrusion in the annular groove, first positioning convex platform setting is in the type chamber protrusion and described the
The corresponding position of two positioning convex platforms.
One aspect according to the present utility model is supported with fixation clip, the fixed pressure on the opening annular groove
Plate and opening annular groove opening opposite position are equipped with notch.
One aspect according to the present utility model, two fixation clips opening with first template respectively
Annular groove and the opening annular groove of second template are detachably connected；
Two fixation clips are equipped with the opening annular groove with first template and second template respectively
Side it is concordant.
One aspect according to the present utility model, first template and second template are equipped with the side of sealing ring
Upper opposite equipped with retention bead, the height of the sealing ring is higher than the height of the retention bead.
One aspect according to the present utility model is equipped with air slot in the type chamber protrusion of second template.
One aspect according to the present utility model, first template and second template are separately installed with mutual cooperation
Positioning pin and location hole.
A scheme according to the present utility model is equipped with the locating piece phase with sealing ring in the first template and the second template
The first position portion and the second position portion mutually cooperated, compared with the existing technology in air-leakage test jig for, this reality
Positioning action can be played to sealing ring well with novel the first position portion and the second position portion, can be effectively ensured
When fastening contact, sealing ring will not occur to wriggle or play influences to form the airtight of sealing space for first template and the second template
Property, advantageously ensure that the accuracy of air-leakage test result.
The locating piece of a scheme according to the present utility model, the utility model is equipped with cable-through hole, for sealing buttock line.
And the first protrusion of locating piece and the second protrusion are respectively embedded between two the first positioning convex platforms and two the second positioning convex platforms
Between, when in the first template and the second template fastening, sealing ring is when deformation occurs, two the first positioning convex platforms and two convexes
Platform can generate extruding force to cable-through hole from the left and right sides of locating piece, so can solve the buttock line circularity due to vehicle-mounted mould group
It is poor, to the problem of buttock line leakproofness difference.
The cable-through hole of a scheme according to the present utility model, locating piece is equipped with seal convexity, and seal convexity is along mistake
String holes radially extends, and the cross-sectional area of seal convexity can be triangle, circle, semicircle, rectangular etc., preferably triangle.
So it can will be changed to point contact sealing with the sealing of the face contact of buttock line when being sealed to buttock line, so that better tightness,
Advantageously ensure that the accuracy of air-leakage test result.
A scheme according to the present utility model, the first template and the second template are equipped with opening annular groove, split ring
It is supported by fixation clip on connected in star, two fixation clips are opened with the opening annular groove of the first template and the second template respectively
Choma connected in star is detachably connected, sealing ring can be so fixed in sealing ring peripheral side by fixation clip, into
One step will not be there is a situation where wriggling or play when ensure that sealing ring deformation occurs, while making the replacement of sealing ring more square
Just quick.
A scheme according to the present utility model, it is opposite in the first template and the second template to be equipped with retention bead, and
And the height of retention bead is lower than the height of sealing ring, and when being arranged so that the first template and the second template contacts, first the
The sealing ring on sealing ring and the second template in one template first contacts deformation, sealing space is formed, until in the first template
Retention bead contact in retention bead and the second template, two sealing ring deformation stop.To ensure that every time to vehicle-mounted mould
When group detection, the deformation quantity of sealing ring is consistent, to advantageously ensure that the reliability of testing result.
Detailed description of the invention
Fig. 1 is to schematically show that the first formwork structure of vehicle-mounted mould group air-leakage test jig according to the present utility model shows
Figure；
Fig. 2 is to schematically show that the second formwork structure of vehicle-mounted mould group air-leakage test jig according to the present utility model shows
Figure；
Fig. 3 is the explosive view for schematically showing the first template according to the present utility model；
Fig. 4 is the diagram for schematically showing sealing ring according to the present utility model；
Fig. 5 is to schematically show that the first template according to the present utility model does not install the diagram of sealing ring.
It is as follows to represent meaning for each label in attached drawing:
1, the first template.2, the second template.3, sealing ring.31, locating piece.4, position portion.3a, inner ring.3b, outer ring.
311, the first protrusion.312, the second protrusion.4, position portion.41, the first position portion.42, the second position portion.411, first
Positioning convex platform.421, the second positioning convex platform.313, cable-through hole.313a, seal convexity.11, opening annular groove.12, annular is recessed
Slot.13, type chamber protrusion.5, fixation clip.6, retention bead.7, air slot.8, positioning pin.9, location hole.
Specific embodiment
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Attached drawing needed in mode is briefly described.It should be evident that the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skills without creative efforts, can be with
It obtains other drawings based on these drawings.
When being described for the embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship is expressed by "outside"
Based on orientation or positional relationship shown in relevant drawings, it is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is not defined in following implementation.
Fig. 1 is the structure for schematically showing the first template of vehicle-mounted mould group air-leakage test jig according to the present utility model
Diagram.Fig. 2 is to schematically show that the structure of the second template of vehicle-mounted mould group air-leakage test jig according to the present utility model is shown
Figure.As shown in Figure 1, Figure 2, the vehicle-mounted mould group air-leakage test jig of the utility model includes the first template 1 and the second template
2.In the present embodiment, the first template 1 and the second template 2 structure in a rectangular parallelepiped shape, the first template 1 and second template 2
Upper relative position is provided with type chamber protrusion 13.As shown in Figure 1, being equipped with type chamber in the upper surface of the first template 1 and the second template 2
Protrusion 13, when overturning the first template 1 makes the side equipped with type chamber protrusion 13 be fastened on the second 2 upper surface of template downward, first
Type chamber protrusion 13 in template 1 and the type chamber protrusion 13 in the second template 2 can form sealing space.It so can be by vehicle-mounted mould
Group is placed in the type chamber protrusion 13 of the second template 2, the first template 1 is fastened from the top of the second template 2, to be formed
Sealing space surround vehicle-mounted mould group to be detected, air-leakage test can be carried out to vehicle-mounted mould group.
The vehicle-mounted mould group air-leakage test jig of the utility model, to guarantee to ultimately form the air-tightness of sealing space,
It is also equipped with identical sealing ring 3 in first template 1 and the second template 2, due to what is installed in the first template 1 and the second template 2
Sealing ring 3 be it is identical, be specifically described by taking the sealing ring 3 in the first template 1 as an example below.
Fig. 3 is the explosion diagram for schematically showing the first template according to the present utility model.Fig. 4 is to schematically show basis
The diagram of the sealing ring of the utility model.Fig. 5 is to schematically show that the first template according to the present utility model does not install sealing ring
The diagram of state.In conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, the sealing ring 3 of the utility model includes inner ring 3a and outer ring 3b.In this reality
It applies in mode, the interior 3a of sealing ring 3 is that the rectangle with certain altitude is closed coil structures, has fillet in the four corners of rectangle.
Locating piece 31 is equipped on one of avris center of inner ring 3a width direction, locating piece 31 includes that the is arranged in opposite direction
One protrusion 311 and the second protrusion 312.Wherein the first protrusion 311 is on the inner wall of inner ring 3a along the side far from inner ring 3a inner wall
To extension, the second protrusion 312 extends on the outer wall of inner ring 3a along the direction far from inner ring 3a outer wall, in present embodiment
In, the development length of the first protrusion 311 and the second protrusion 312 is equal.I.e. locating piece 31 is considered as on the inner ring 3a of sealing ring 3
The inner side and outer side of a part done thickening processing, i.e. the first protrusion 311 of locating piece 31 exceeds the inner wall of inner ring 3a, second
Protrusion 312 has exceeded the outer wall of inner ring 3a.
In the present embodiment, outer ring 3b is fixed on the periphery wall of inner ring 3a, and outer ring 3b can be used and inner ring 3a phase
Same material, is also possible to different materials and is made.As shown in Figure 3, Figure 4, since the outer wall of inner ring 3a is equipped with the second protrusion
312, outer ring 3b have opening in inner ring 3a periphery wall at the second protrusion 312, i.e. outer ring 3b is the straight-flanked ring equipped with opening
Shape structure.In the present embodiment, the height of outer ring 3b is less than the height of inner ring 3a.
The vehicle-mounted mould group air-leakage test jig of the utility model, sealing ring 3 are respectively installed to the first template 1 and second
When in template 2, in order to guarantee that wriggling or play will not occur for sealing ring 3, correspondingly set in the first template 1 and the second template 2
There is position portion to position sealing ring 3, since the sealing ring 3 in the first template 1 and the second template 2 is identical, so the
Position portion in one template 1 and the second template 2 be also it is identical, be described in detail by taking the first template 1 as an example below.
In the present embodiment, position portion includes the first position portion 41 and the second position portion 42.Wherein first is fixed
First protrusion 311 of bit position 41 and locating piece 31 cooperates, the second protrusion of the second position portion 42 and locating piece 31
312 cooperate.First position portion 41 includes the first positioning convex platform 411 of mirror symmetry setting, the second position portion 42 packet
Include the second positioning convex platform 421 of mirror symmetry setting.
Specifically, in conjunction with shown in Fig. 1-Fig. 5, in the present embodiment, split ring is equipped on the upper surface of the first template 1
Connected in star 11, the whole oval cyclic structure of opening annular groove 11, the second positioning convex platform 421 are located at opening annular groove 11
Opening towards opening annular groove 11 internal stretch.Annular groove 12, ring are equipped in the inside of opening annular groove 11
The height of connected in star 12 is lower than the height of opening annular groove 11, the height of annular groove 12 and the bottom surface of opening annular groove 11
Concordantly, type chamber protrusion 13 is equipped in the inside of annular groove 12.The vehicle-mounted mould group air-leakage test jig of the utility model, first
The opening annular groove 11 of template 1 and the second template 2, annular groove 12 are full symmetric, the type chamber protrusions 13 of the first template 1
Outer profile with the type chamber protrusion 13 of the second template 2 be it is identical, in-profile according to vehicle-mounted mould group difference be specifically configured.
In the present embodiment, the outer ring 3b outer wall of sealing ring 3 is close to the inner wall of annular groove 12, the inner ring of sealing ring 3
The outer wall of 3a inner wall closing-type chamber protrusion 13, sealing ring 3 are mounted in this way in the first template 1 and the second template 2.At this
In embodiment, the second positioning convex platform 421 is located at the opening of opening annular groove 11 towards the inside of opening annular groove 11
Extend, and the development length of the second positioning convex platform 421 has exceeded the inner wall of annular groove 12.As shown in figure 3, the second convex
Platform 421 includes Horizontal limiting and vertical limit, and the distance between vertical limit of two positioning convex platforms 421 is equal to locating piece 31 the
The width of two protrusions 312, the second protrusion 312 are embedded between two vertical limits, guarantee that sealing ring will not be in the horizontal direction
Play occurs.Two Horizontal limitings will not be in the vertical direction for limiting sealing ring 3.Play occurs.In the present embodiment,
Raised 13 positions opposite with the second positioning protrusion 421 of type chamber, two the first positioning convex platforms are arranged in first positioning convex platform 411
Spacing between 411 is equal to the width of 31 first protrusion 311 of locating piece, in the present embodiment the first positioning convex platform 411 and the
The height of two positioning convex platforms 421 is concordant with the upper surface of the first template 1, and the height of sealing ring 3 is higher than the upper table of the first template 1
Face.Spacing is equal to the spacing between two the second positioning protrusion 421 between two the first positioning convex platforms 411.In addition, the first positioning
Boss 411 and the first protrusion 311, the second positioning convex platform 421 and the second raised 312 mutually matched shapes do not have limitation,
Such as it can be rectangular, round, arc etc..
Vehicle-mounted mould group air-leakage test jig according to the present utility model, is equipped in the first template 1 and the second template 2
With mutually matched first position portion 41 of locating piece 31 of sealing ring 3 and the second position portion 42, compared with the existing technology in
Air-leakage test jig for, first position portion 4 and the second position portion 42 of the utility model can be well to close
Positioning action is played in seal 3, the first template 1 and the second template 2 can be effectively ensured when fastening contact, sealing ring 3 will not occur
It wriggles or play influences to form the air-tightness of sealing space, advantageously ensure that the accuracy of air-leakage test result.
In the present embodiment, 31 upper surface of locating piece of the first template 1 is equipped with cable-through hole 313 (half bore), i.e. cable-through hole
313 through the upper surface of the first protrusion 311 and the second protrusion 312.Similarly, it also was provided on the locating piece 31 of the second template 2
String holes 313 (half bore), when the first template 1 fastens in the second template 2, cable-through hole 313 (half bore) in the first template 1 and
Cable-through hole 313 (half bore) in second template 2 forms the cable-through hole of a sealing, carries out for the buttock line to vehicle-mounted mould group close
Envelope.
As shown in Figure 3, Figure 4, in the present embodiment, the cable-through hole 313 of locating piece 3 is equipped with seal convexity 313a,
In present embodiment, seal convexity 313a is radially extended along cable-through hole 313, and seal convexity 313a is set as 5,5 sealings
Raised 313a uniformly arranges at equal intervals.The cross-sectional area of seal convexity 311a can be triangle, circle, semicircle, rectangular
Deng preferably triangle.It can will be so changed to the sealing of the face contact of buttock line when the buttock line to camera module is sealed
Point contact sealing, so that better tightness, advantageously ensures that the accuracy of air-leakage test result.Certainly, seal convexity 313a
Setting quantity be not limited to five, can the requirement according to reality for air-tightness accordingly increase or reduce seal convexity
The setting quantity of 313a.Similarly, the arrangement mode of seal convexity 313a is also possible to random arrangement, can be realized sealing effect
Fruit.
The locating piece 31 of the utility model is equipped with cable-through hole 313, for sealing buttock line.And the first of locating piece 31 is convex
Rise 311 and second protrusion 312 be respectively embedded between two the first positioning convex platforms 411 between two the second positioning convex platforms 421,
When in the first template 1 and the second template 2 fastening, sealing ring 3 is when deformation occurs, two the first positioning convex platforms 411 and two positioning
Boss 421 can generate extruding force to cable-through hole 313 from the left and right sides of locating piece 31, so can solve due to vehicle-mounted mould group
Buttock line circularity it is poor, to the problem of the buttock line leakproofness difference of vehicle-mounted mould group.
In conjunction with shown in Fig. 3, Fig. 4, when first template 1 of the utility model and the second template 2 install sealing ring 3, need to lead to
Fixation clip 5 is crossed sealing ring 3 is fixed.Fixation clip 5 in first template 1 and the second template 2 be it is identical, with the first mould
It is illustrated for fixation clip 5 on plate 1.
In the present embodiment, 5 ring structures of fixation clip, are supported on opening annular groove 11, with split ring
The opening opposite position of connected in star 11 is equipped with notch.Fixation clip 5 and opening annular groove 11 are detachably connected.Such as it can
It is fixed in a manner of using screw connection, buckle clamping etc..In the present embodiment, the outer wall and ring of 3 outer ring 3b of sealing ring
The inner wall of connected in star 12 is close to, and the height of outer ring 3b is equal to the height of annular groove 12, flat with the bottom surface of opening annular groove 11
Together.The ring width that the ring width of fixation clip 5 is equal to opening annular groove 11 adds the ring width of outer ring 3b, i.e. fixation clip 5 is pressed
On opening annular groove 11 and outer ring 3b, the inner wall of fixation clip 5 is close to the outer wall of 3 inner ring 3a of sealing ring.It so can be with
Logical fixation clip 5 is fixed sealing ring 3 in 3 periphery of sealing ring, and further ensuring sealing ring 3 will not send out when deformation occurs
The case where raw wriggling or play.Make the replacement of sealing ring 3 more convenient simultaneously, fixation clip 5 need to only be removed, more be renewed
Sealing ring.In the present embodiment, the height of fixation clip 5 is concordant with the upper surface of the first template 1, is lower than sealing ring
The height of 3 inner ring 3a.
In conjunction with shown in Fig. 1 Fig. 2, in the present embodiment, 1 upper surface of the first template is equipped with retention bead 6, the second mould
2 upper surface of plate is equipped with retention bead 6.The position phase of retention bead 6 and the retention bead 6 in the second template 2 in first template 1
Mutually corresponding, the height of the retention bead 6 in the first template 1 is consistent with the height of retention bead 6 in the second template 2, limit convex
Rise 6 height be lower than sealing ring 3 height.In the present embodiment, retention bead 6 is cylindrical retention bead, is set as four
A (the first template and the second template are respectively provided with four), is respectively distributed to the corner location of the first template 1 and the second template 2.Such as
When this is arranged so that the first template 1 and the second template 2 contact, on the sealing ring 3 and the second template 2 in the first template 1 first
Sealing ring 3 first contacts deformation, forms sealing space, the limit in the retention bead 6 and the second template 2 in the first template 1
Protrusion 6 contacts, and two 3 deformation of sealing ring stop.When so guaranteeing every time to detect vehicle-mounted mould group, the deformation quantity of sealing ring 3 is
It is consistent, to advantageously ensure that the reliability of testing result.
Design according to the present utility model in other embodiments can be only in the first template 1 or the second template 2
Retention bead 6 is set, the height of sealing ring 3 is higher than the height of retention bead 6, so it is also ensured that every time detection when sealing ring
3 deformation quantity is consistent.
As shown in Figure 1 and Figure 2, the first template 1 and the second template 2 are equipped with mutually matched positioning pin 8 and location hole 9,
First template 1 and the second template 2 are positioned when cooperating for the first template 1 and the second template 2.In the present embodiment,
It sets in 1 upper surface of the first template there are two positioning pin 8, sets in 2 upper surface of the second template there are two location hole 9, positioning pin 8 and fixed
The position in position hole 9, shape, size match.In addition, the case where crossing positioning in order to prevent, by two positioning in the first template 1
Pin 8 is respectively set to Cylindrical locating pins and diamond positioning pin.Certainly, for positioning the side of the first template 1 and the second template 2
Formula is not limited to aforesaid way, and location hole 9 can also be equipped in the first template 1, and correspondingly setting is fixed in the second template 2
Position pin 8.Or first buckle is arranged in template 1, card slot, which is correspondingly arranged, also in the second template 2 may be implemented to the first template 1
With the fixation of the second template 2.In the present embodiment, air slot 7, air-tightness are provided in the type chamber protrusion 13 of the second template 2
Test pipeline is drawn from air slot 7.
In the present embodiment, sealing ring 3 is made of silica gel material or rubber material, and hardness uses shore hardness
(HA) 40-50 degree.The compression area of sealing ring 3 is set as 1100mm2, the jig of the utility model, the second template 2 can fix
It is supported on platform, the first template 1 connect with driving cylinder, is carried out by the first template 1 of driving cylinder drive with the second template 2 close
Envelope.In the present embodiment, use diameter for the cylinder of 63mm, use air source pressure intensity for 0.6MPa can meet sealing it is airtight
Property require, according to formula to calculating:
The pressure that P is born by sealing ring, P0For cylinder pressure, r is cylinder radius, and S is the forced area of sealing ring.By
Result above is applied more than it can be concluded that under the conditions of above structure and the sealing ring of hardness on sealing ring surface
The pressure of 1.69MPa can meet the requirement of air-tightness.
The method detected using the jig of the utility model to vehicle-mounted mould group air-tightness is as follows:
Two sealing rings 3 are separately mounted in the first template 1 and the second template 2 first, then by vehicle-mounted mould to be detected
Group is put into the type chamber protrusion 13 of the second template 2, and the buttock line of vehicle-mounted mould group is placed on the cable-through hole 313 of sealing ring 3.Then will
The side that first template 1 is equipped with sealing ring 3 is fastened on downward in the second template 2, so that raised 13 Hes of the type chamber of the first template 1
Second template, 2 type chamber protrusion 13 forms the sealing space for surrounding vehicle-mounted mould group.To guarantee to form the leakproofness of sealing space, especially
Two 3 contact portions of sealing ring for being at cable-through hole 313 for the leakproofness of mould group buttock line, in the first template 1 and the second template 2
Pressure should be not less than 1.69MPa.Then it from connecting test pipeline from the air slot 7 of the type chamber protrusion 13 of the second template 2, surveys
The other end on test tube road is connect with air-leakage detector, and the sealing space for surrounding vehicle-mounted mould group by 7 pairs of air slot is ventilated,
Observation air-leakage detector evaluates the air-tightness of vehicle-mounted mould group.Since this practical jig has more preferably vehicle-mounted mould group
Leakproofness, influence of the gas leakage to vehicle-mounted mould group air-leakage test is avoided, using the jig of the utility model to vehicle-mounted mould group
Air-leakage test can make testing result more accurate.
The foregoing is merely a schemes of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of vehicle-mounted mould group air-leakage test jig, comprising: the first template (1) and the second template (2)；It is characterized in that,
Further include two identical sealing rings (3), is separately mounted in first template (1) and second template (2)；
The sealing ring (3) is equipped with locating piece (31)；
First template (1) and second template (2) are equipped with and the locating piece (31) mutually matched position portion
(4)。
2. vehicle-mounted mould group air-leakage test jig according to claim 1, which is characterized in that the sealing ring (3) includes:
Inner ring (3a), the locating piece (31) are arranged on the inner ring (3a)；
Outer ring (3b), is fixed on the periphery wall of the inner ring (3a), and opening is equipped at neighbouring the locating piece (31)；
The height of the inner ring (3a) is higher than the height of the outer ring (3b).
3. vehicle-mounted mould group air-leakage test jig according to claim 2, which is characterized in that the locating piece (31) includes
First raised (311) and second raised (312) being arranged in opposite direction,
Prolong on the inner wall of the inner ring (3a) along the direction far from the inner ring (3a) inner wall described first raised (311)
It stretches；
Prolong on the outer wall of the inner ring (3a) along the direction far from the inner ring (3a) outer wall described second raised (312)
It stretches.
4. vehicle-mounted mould group air-leakage test jig according to claim 3, which is characterized in that position portion (4) packet
It includes:
First position portion (41) cooperates with described first raised (311), the first convex including mirror symmetry setting
Platform (411)；
Second position portion (42) cooperates with described second raised (312), the second convex including mirror symmetry setting
Platform (421)；
The height of first positioning convex platform (411) and the second positioning convex platform (421) is lower than the height of the locating piece (31).
5. vehicle-mounted mould group air-leakage test jig described in one of -4 according to claim 1, which is characterized in that the locating piece (31)
Equipped with cable-through hole (313), the cable-through hole (313) is equipped with the seal convexity (313a) radially extended.
6. vehicle-mounted mould group air-leakage test jig according to claim 4, which is characterized in that first template (1) and
Second template (2) is symmetrically arranged with:
Opening annular groove (11), second positioning convex platform (421) be located at the opening of the opening annular groove (11) to
The opening annular groove (11) internal stretch；
Annular groove (12) is located on the inside of the opening annular groove (11), is lower than the opening annular groove (11)；
It is raised (13) that type chamber is equipped in the annular groove (12), the first positioning convex platform (411) setting is convex in the type chamber
Play (13) and the opposite position of second positioning convex platform (421).
7. vehicle-mounted mould group air-leakage test jig according to claim 6, which is characterized in that the opening annular groove
(11) it is supported on fixation clip (5), the fixation clip (5) sets with the opening annular groove (11) opening opposite position
It is jagged.
8. vehicle-mounted mould group air-leakage test jig according to claim 7, which is characterized in that two fixation clips
(5) open annular with the opening annular groove (11) of first template (1) and second template (2) respectively
Groove (11) is detachably connected；
Two fixation clips (5) are equipped with the open annular with first template (1) and second template (2) respectively
The side of groove (11) is concordant.
9. vehicle-mounted mould group air-leakage test jig according to claim 1, which is characterized in that first template (1) and
Second template (2) is equipped on the side of sealing ring (3) opposite equipped with retention bead (6), the height of the sealing ring (3)
Higher than the height of the retention bead (6).
10. vehicle-mounted mould group air-leakage test jig according to claim 6, which is characterized in that second template (2)
Type chamber is equipped with air slot (7) in raised (13).
11. vehicle-mounted mould group air-leakage test jig according to claim 1, which is characterized in that first template (1) and
Second template (2) is separately installed with mutually matched positioning pin (8) and location hole (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804614.9U CN208350289U (en) | 2018-05-28 | 2018-05-28 | Vehicle-mounted mould group air-leakage test jig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804614.9U CN208350289U (en) | 2018-05-28 | 2018-05-28 | Vehicle-mounted mould group air-leakage test jig |
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| Publication Number | Publication Date |
|---|---|
| CN208350289U true CN208350289U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820804614.9U Active CN208350289U (en) | 2018-05-28 | 2018-05-28 | Vehicle-mounted mould group air-leakage test jig |
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| Country | Link |
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| CN (1) | CN208350289U (en) |
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2018
- 2018-05-28 CN CN201820804614.9U patent/CN208350289U/en active Active
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