CN107631845A - Self correction leak checking mechanism and leak-checking apparatus - Google Patents
Self correction leak checking mechanism and leak-checking apparatus Download PDFInfo
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- CN107631845A CN107631845A CN201710751111.XA CN201710751111A CN107631845A CN 107631845 A CN107631845 A CN 107631845A CN 201710751111 A CN201710751111 A CN 201710751111A CN 107631845 A CN107631845 A CN 107631845A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000012937 correction Methods 0.000 title claims abstract description 25
- 210000004907 gland Anatomy 0.000 claims abstract description 69
- 238000012360 testing method Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 22
- 238000010276 construction Methods 0.000 claims description 20
- 230000013011 mating Effects 0.000 claims description 18
- 238000002788 crimping Methods 0.000 claims description 2
- 230000001815 facial effect Effects 0.000 claims description 2
- 230000002950 deficient Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of self correction leak checking mechanism and leak-checking apparatus, including driving source；Gland, gland and driving source drive connection；Leaked hunting component, and the component that leaks hunting includes seal and with the spaced head that leaks hunting of gland, and the head that leaks hunting is provided with the air flue that leaks hunting, and seal, which is arranged on the head that leaks hunting, to be used to crimp sealing with the vessel port of testing container；Rotational support body, rotational support body, which compresses, is arranged at gland between the head that leaks hunting；And at least two elastic telescopic components, at least two elastic telescopic components are connected in gland between the head that leaks hunting and are arranged at intervals around rotational support body.The alignment error of cylinder and testing container can be so directed to, it is automatic to adapt to and eliminate seal and the assembling gap at vessel port end contact, realize automatic deviation rectifying function, occur so as to prevent the problem of accepted container is mistaken for leakage container, not only improve test result accuracy and reliability, also lower " percent defective " of container simultaneously, avoid enterprise from suffering unnecessary loss.
Description
Technical field
The present invention relates to airtight detection technique field, more particularly to a kind of self correction leak checking mechanism and leak-checking apparatus.
Background technology
At present, in beverage industry, in order that container filling possesses cycling and reutilization performance, it is necessary to periodically to container filling
Air-leakage test is carried out, generally use pressure air leak tester is tested, and main working parts are then intake valve.Specific test side
Method is：Injecting compressed air, the pressurize certain time after stopping inflating, the change of system detectio pressure into container from intake valve
Change, judge whether container leaks further according to imposing a condition afterwards.In order to ensure the accuracy of testing result, compressed air is entered
Air pipe and intake valve need to ensure air tight with vessel port contact face, thus the structure of intake valve and form accuracy seem particularly
It is important.
Existing intaking valve structure is usually cylinder connection valve head, and valve head carries seal, seal nothing Nian Jie with valve head
Leakage；Under the effect of cylinder rise, seal contacts to form end face seal with vessel port.But can be due to installation in real work
The limitation of the factors such as precision, locus causes cylinder installation not fully vertical, while the end face of vessel port is not also in reason
The horizontality thought, cause seal with gap at vessel port end contact be present thus excellent sealing can not be formed.In this way, by
Leakage is produced in fitting surface, accepted container can be caused also to be mistaken for leakage container, test result accuracy and reliability drop significantly
Low, container " percent defective " greatly increases, and is not only unable to reach expected target of leaking hunting, while also enterprise can be made to suffer great damage
Lose.
The content of the invention
Based on this, the present invention is necessary to provide a kind of self correction leak checking mechanism and leak-checking apparatus, can be directed to cylinder and treat
The alignment error of xylometer, adapt to automatically and eliminate seal and the assembling gap at vessel port end contact, realization is entangled automatically
Inclined function, occur so as to prevent the problem of accepted container is mistaken for leakage container, not only improve test result accuracy with
Reliability, while also lower " percent defective " of container, avoid enterprise from suffering unnecessary loss.
Its technical scheme is as follows：
A kind of self correction leak checking mechanism, including：
Driving source；
Gland, the gland and the driving source drive connection；
Leak hunting component, it is described leak hunting component include seal and with the spaced head that leaks hunting of the gland, it is described to leak hunting
Head is provided with the air flue that leaks hunting, and the seal is arranged at the gas outlet side leaked hunting on head and be located at the air flue that leaks hunting, used
Sealing is crimped in the vessel port with testing container；
Rotational support body, the rotational support body, which compresses, to be arranged between the gland and the head that leaks hunting；And
At least two elastic telescopic components, at least two elastic telescopic components are connected in the gland and described leaked hunting
It is arranged at intervals between head and around the rotational support body.
When carrying out air tightness test to container using above-mentioned self correction leak checking mechanism, first by the gas-tpe fitting of compressed air source unit
It is connected well with the head that leaks hunting, avoids the occurrence of leakage；Driving source is opened afterwards power is provided, make seal so as to promote gland to push
Contacted with the vessel port of testing container, and when driving source further promotes gland to push, rotational support body can provide rotation branch
Point, gland automatic plugging seal and container are now made by the self-adapting stretching adjustment effect of at least two elastic telescopic components
The gap of mouth fitting surface, realizes rigid contact while gland is using rotational support body as fulcrum and with the head that leaks hunting, thus makes
The head that must leak hunting promotes the vessel port of seal and testing container to form good end contact and sealed.So can be directed to cylinder and
The alignment error of testing container, adapt to automatically and eliminate seal and the assembling gap at vessel port end contact, realize automatic
Deviation-correcting function, occur so as to prevent the problem of accepted container is mistaken for leakage container, not only improve test result accuracy
With reliability, while also lower container " percent defective ", avoid enterprise from suffering unnecessary loss.
The technical scheme of the application is further described below：
And three elastic telescopic component edges in one of the embodiments, including three elastic telescopic components,
The circumferential uniform intervals of the gland and the head that leaks hunting are set, and the gland circumferentially offers three installation through-holes, described
The head that leak hunting circumferentially offer three lockholes, the elastic telescopic component, the installation through-hole, institute to the side of the gland
State lockhole and correspond relative, and the elastic telescopic component includes locking member and elastic press part, the locking member including according to
Discount, smooth surface section and the locking section of secondary connection, the locking member are disposed through in the installation through-hole, the discount with it is described
Gland is clasped, and the locking section coordinates with lockhole locking, and the elastic press part is set in the smooth surface section, simultaneously
To between the gland and the head that leaks hunting.So glands are connected using three elastic telescopic components and the head that leaks hunting, can be with
The integrated connection intensity of mechanism is further improved, while makes gland more steady relative to the rotation for the head that leaks hunting；In addition, using locking
The above-mentioned connected mode of part, elastic press part and gland and the head that leaks hunting, is not only simple in structure, while the flexible shifting of elastic press part
Move oneself that smooth, sensitivity is good, when being advantageous to hoisting mechanism in face of the testing container progress air tightness test of different alignment errors
Adapt to and self correction performance.
In one of the embodiments, the rotational support body is steel ball, and the gland includes the first mating surface, described
One mating surface is arranged with the first sphere portion, and the steel ball, which supports, to be located between the first sphere portion and the head that leaks hunting；Wherein, institute
The first sphere portion is stated to be adapted to the sphere of the steel ball.It can so realize that the installation of steel ball is spacing, prevents from going out in the course of work
Now slide, influence leak checking mechanism normal use, while pass through the first sphere portion and the mating spherical surfaces of steel ball, moreover it is possible to make turning for gland
It is dynamic more steady, smooth.
In one of the embodiments, the head that leaks hunting includes the second mating surface, and second mating surface is arranged with and institute
State the second relative sphere portion of the first sphere portion, the steel ball support located at the first sphere portion and the second sphere portion it
Between；Wherein, the second sphere portion is adapted to the sphere of the steel ball.It so can further realize the installation limit to steel ball
Position, prevents from sliding in its course of work, influences leak checking mechanism normal use, while pass through the first sphere portion and the second sphere
Portion and the mating spherical surfaces of steel ball, moreover it is possible to make the adaptive rotation of gland and the head that leaks hunting more steady, smooth.
In one of the embodiments, the construction section that head includes body and is connected with the body that leaks hunting, it is described close
Sealing is sealing ring, and the ring set abuts on the construction section and with the body.Thus by by seal mistake
Being set on construction section for cooperation of being full of can realize firm installation, while be kept out by body, be further ensured that seal with
The vessel port of testing container is pressed into contact with, and lifts the sealed reliable degree of fitting surface.
In one of the embodiments, annular slot, the sealing are concaved with along the periphery wall of the construction section
Circle is arranged in the annular slot.So further lift-off seal circle degree can be firmly installed, prevented for a long time frequently
Fallen off during use, influence the service life of leak checking mechanism.
In one of the embodiments, the free end of the construction section is provided with the introduction part being easy to testing container socket.
Can so be easy to leak hunting head construction section is quick, in the vessel port of accurate contraposition insertion testing container, beneficial to lifting test effect
Rate and effect.
In one of the embodiments, the air flue that leaks hunting is provided with close to the inwall of its air inlet is easy to and gas-tpe fitting
The threaded portion of connection.The gas-tpe fitting of head and compressed air source unit of so being not only convenient for leaking hunting realizes firmly installation, and the connection side
Formula is simple in construction, is convenient to mount and dismount.
In one of the embodiments, in addition to cylinder mounting plate, the driving source are cylinder, and the cylinder is arranged at institute
State on cylinder mounting plate.It can so realize that the installation to cylinder positions with support by cylinder mounting plate, it is ensured that cylinder operation
Reliably.
The present invention also provides a kind of leak-checking apparatus, and it includes compressed air source unit and self correction leak checking mechanism as described above, institute
Stating compressed air source unit includes gas-tpe fitting, and the compressed air source unit is connected by the gas-tpe fitting with the self correction leak checking mechanism.
Using above-mentioned leak-checking apparatus experiment to container carry out air tightness test when, first by the gas-tpe fitting of compressed air source unit with
The head that leaks hunting connection is good, avoids the occurrence of leakage；Open driving source afterwards and power be provided, so as to promote gland to push to make seal with
The vessel port contact of testing container, and when driving source further promotes gland to push, rotational support body can provide rotating fulcrum,
Gland automatic plugging seal and vessel port are now made by the self-adapting stretching adjustment effect of at least two elastic telescopic components
The gap of fitting surface, rigid contact is realized while gland is using rotational support body as fulcrum and with the head that leaks hunting, so that
The head that leaks hunting promotes the vessel port of seal and testing container to form good end contact and sealed.Cylinder can be so directed to and treated
The alignment error of xylometer, adapt to automatically and eliminate seal and the assembling gap at vessel port end contact, realization is entangled automatically
Inclined function, occur so as to prevent the problem of accepted container is mistaken for leakage container, not only improve test result accuracy with
Reliability, while also lower " percent defective " of container, avoid enterprise from suffering unnecessary loss.
Brief description of the drawings
Fig. 1 is the structural representation of the self correction leak checking mechanism described in the embodiment of the present invention；
Fig. 2 is the partial enlargement structural representation at the A shown in Fig. 1；
Fig. 3 is the overlooking the structure diagram shown in Fig. 2；
Fig. 4 is the structural representation of the leak-checking apparatus described in the embodiment of the present invention.
Description of reference numerals：
100th, driving source, 200, gland, 210, installation through-hole, the 220, first mating surface, the 221, first sphere portion, 300, survey
Leak component, 310, seal, 320, leak hunting head, 321, leak hunting air flue, 321a, gas outlet, 321b, air inlet, 321c, screw thread
Portion, 322, lockhole, the 323, second mating surface, 323a, the second sphere portion, 324, body, 325, construction section, 325a, introduction part,
400th, rotational support body, 500, elastic telescopic component, 510, locking member, 511, discount, 512, smooth surface section, 513, locking section,
520th, elastic press part, 600, cylinder mounting plate, 700, gas-tpe fitting, 800, testing container.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing and specific embodiment party
Formula, the present invention is described in further detail.It should be appreciated that embodiment described herein is only solving
The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being fixedly arranged on ", " being arranged at " or " install in " another element, it can be with
Directly on another element or there may also be element placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and will not be repeated here, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
Heretofore described " first ", " second " do not represent specific quantity and order, are only used for the differentiation of title.
The present invention relates to a kind of air-tightness detection device, and in particular to a kind of air inlet valve body and its associated mechanisms, Ji Jiangjin
Air valve body docked with the vessel port of testing container 800 compression realizes contact surface seal, backward testing container 800 in be passed through high pressure
Gas, container inner pressure is detected using pressure tester after standing a period of time, and then whether judge the testing container 800
Defect ware with leak source.
It is a kind of self correction leak checking mechanism for embodiment that the present invention is shown shown in Fig. 2 such as Fig. 1, including：Driving source
100；Gland 200, leak hunting component 300, the elastic telescopic component 500 of rotational support body 400 and at least two, the gland 200 with
The drive connection of driving source 100；The component 300 that leaks hunting includes seal 310 and spaced with the gland 200
Leak hunting first 320, described leak hunting first 320 is provided with the air flue that leaks hunting, and the seal 310, which is arranged at, described to leak hunting on first 320 and be located at
The gas outlet 321a sides of the air flue that leaks hunting, for crimping sealing with the vessel port of testing container 800；The rotational support body
400 compress and are arranged at the gland 200 and described leak hunting between first 320；At least two elastic telescopic components 500 are connected in
The gland 200 and described leak hunting between first 320 and be arranged at intervals around the rotational support body 400.
When carrying out air tightness test to container using above-mentioned self correction leak checking mechanism, first by the gas-tpe fitting of compressed air source unit
700 first 320 are connected good with leaking hunting, and avoid the occurrence of leakage；Driving source 100 is opened afterwards power is provided, so as to promote gland 200
Pushing contacts seal 310 and the vessel port of testing container 800, and when driving source 100 further promotes gland 200 to push
When, rotational support body 400 can provide rotating fulcrum, now be adjusted by the self-adapting stretching of at least two elastic telescopic components 500
Section effect makes the gap of gland automatic plugging seal 310 and vessel port fitting surface, and gland 200 is branch with rotational support body 400
First 320 rigid contact is realized while point rotates and with leaking hunting, so that leaking hunting first 320 promotes seal 310 and appearance to be measured
The vessel port of device 800 forms good end contact sealing.The alignment error of cylinder and testing container 800 can be so directed to,
It is automatic to adapt to and eliminate seal 310 and the assembling gap at vessel port end contact, automatic deviation rectifying function is realized, so as to prevent
The problem of appearance accepted container is mistaken for leakage container occurs, and not only improves test result accuracy and reliability, while also subtract
" percent defective " of low container, avoids enterprise from suffering unnecessary loss.
Please continue to refer to Fig. 1, the operation principle of this leak checking mechanism is described in further detail with the visual angle：When the peace of driving source 100
When there is deflection in holding position and the position of testing container 800, the now contact with the vessel port of testing container 800 of seal 310
Place can not form annular contact surface, i.e., be likely to occur in oneainstance on the right of seal 310 and vessel port be pressed into contact with and
There is the situation in assembling gap in the left side, that is, occurs that leakage causes testing container test to be mistaken for waste product (but testing container 800
Actual is certified products)；And when carrying out air tightness test by using the self correction leak checking mechanism of the application, elastic telescopic mechanism is then
It can be made to leak hunting according to its own good stretching elasticity and first 320 well adapt to position and the driving source 100 of deflection occur and treat
Xylometer 800, i.e. the elastic telescopic mechanism compression degree positioned at right side are larger so that the seal 310 and container of the side part
The end face reliable contacts of mouth, and the elastic telescopic mechanism compression degree positioned at left side is smaller, but this still can be made by elastic force
The seal 310 and the end contact of vessel port of side part are good.Further, the motive force of driving source 100 passes through gland
200th, rotational support body 400 passes to successively leaks hunting first 320, also seal 310 can be made closely to be crimped with vessel port, and then formed
The excellent end face seal of air-tightness, the problem of so just can be very good to eliminate above-mentioned erroneous judgement, occur.
In addition, also including cylinder mounting plate 600, the cylinder mounting plate 600 is installed on support, and the driving source 100 is
Cylinder, the cylinder are arranged on the cylinder mounting plate 600.It can so be realized by cylinder mounting plate 600 to cylinder
Installation positions with support, it is ensured that cylinder operation is reliable.
Fig. 1 and Fig. 3 are referred to, in a preferred embodiment, including three elastic telescopic components 500, and three
The individual elastic telescopic component 500 along the gland 200 and it is described leak hunting first 320 circumferential uniform intervals set, the gland
200 circumferentially offer three installation through-holes 210, and described leak hunting first 320 circumferentially offers towards the side of the gland 200
Three lockholes 322, the elastic telescopic component 500, the installation through-hole 210, the lockhole 322 correspond relatively, and institute
Stating elastic telescopic component 500 includes locking member 510 and elastic press part 520, and the locking member 510 includes the discount being sequentially connected
511st, smooth surface section 512 and locking section 513, the locking member 510 are disposed through in the installation through-hole 210, the discount 511
It is clasped with the gland 200, the locking section 513 coordinates with the lockhole 322 locking, elastic 520 sets of the press part
Loaded in the smooth surface section 512 and to located at the gland 200 and described leaking hunting between first 320.So stretched using three elasticity
Contracting component 500 connects gland 200 and leaks hunting first 320, can further improve the integrated connection intensity of mechanism, while make gland
200 relative to leak hunting first 320 rotation it is more steady；In addition, using locking member 510, elastic press part 520 and gland 200 and survey
The above-mentioned connected mode of leakage first 320, is not only simple in structure, while the telescopic moving of elastic press part 520 is smooth, sensitivity is good,
Adaptive and self-picketing bias when being advantageous to hoisting mechanism in face of the progress air tightness test of testing container 800 of different alignment errors
Energy.Wherein, locking member 510 is optional makes screw, and optional lockhole 322 is screwed hole.
Please continue to refer to Fig. 2, the rotational support body 400 is steel ball, and the gland 200 includes the first mating surface 220, institute
State the first mating surface 220 and be arranged with the first sphere portion 221, the steel ball is supported and leaked hunting located at the first sphere portion 221 with described
Between first 320；Wherein, the first sphere portion 221 is adapted to the sphere of the steel ball.The installation limit of steel ball can so be realized
Position, prevents from sliding in the course of work, influences leak checking mechanism normal use, while pass through the first sphere portion 221 and steel ball
Mating spherical surfaces, moreover it is possible to make the rotation of gland 200 more steady, smooth.
Further, described leak hunting first 320 includes the second mating surface 323, second mating surface 323 be arranged with it is described
The second relative sphere portion 323a of first sphere portion 221, the steel ball support and are located at the first sphere portion 221 and second ball
Between facial 323a；Wherein, the second sphere portion 323a is adapted to the sphere of the steel ball.So can further it realize pair
The installation of steel ball is spacing, prevents from sliding in its course of work, influences leak checking mechanism normal use, while pass through the first sphere
The sphere portion 323a of portion 221 and second and steel ball mating spherical surfaces, moreover it is possible to make gland 200 and leak hunting first 320 adaptive rotation more
To be steady, smooth.
It should be noted that the first sphere portion 221 and the second sphere portion 323a ignition-face area are preferably no more than steel
Half of area of spherical surface of pearl, two point of one area of half of sphere is preferably no greater than, so that the minimum that contact area is appropriate,
So that it is suitably minimum to relatively rotate frictional resistance, it is ensured that rotates smooth.In addition, the first sphere portion 221 and the second sphere portion 323a
Center and gland 200 and leak hunting first 320 center superposition (i.e. on same axis) so that gland 200 and steel ball
Contact force can uniformly transfer to each elastic telescopic component, swung and adjusted with the position in the range of ensuring gland 200 circumferentially
It is whole sensitive, smooth.
In addition, first 320 construction sections 325 for including body 324 and being connected with the body 324 that leak hunting, the sealing
Part 310 is sealing ring, and the ring set abuts on the construction section 325 and with the body 324.It is specifically, above-mentioned
Body 324 be leak hunting first 320 main part, i.e. air inlet valve body main part, construction section 325 is then air inlet valve body portion
One end cylinder for dividing the upper gas outlet 321a along the air flue 321 that leaks hunting to stretch out projection, for stretching into inside vessel port, makes to leak hunting
Gas reliably can enter inside container.Can be real thus by being set on construction section 325 of being interference fitted sealing ring
Now firmly installation, while kept out by body 324, it is further ensured that the vessel port of seal 310 and testing container 800 compresses
Contact, lift the sealed reliable degree of fitting surface.
Further, annular slot is concaved with along the periphery wall of the construction section 325, the sealing ring is arranged in
In the annular slot.So further lift-off seal circle degree can be firmly installed, prevent from sending out when frequently using for a long time
Life comes off, and influences the service life of leak checking mechanism.Wherein, the groove width of annular slot is adapted to the thickness of sealing ring, thus can be real
The fastening installation effect being now interference fitted；
Further, the free end of the construction section 325 is provided with the introduction part for being easy to be socketed with testing container 800
325a.Can so be easy to leak hunting first 320 construction section 325 is quick, in the vessel port of accurate contraposition insertion testing container 800,
Beneficial to lifting testing efficiency and effect.Specifically, introduction part 325a is optional to be cut along the end face edge of cylinder (construction section 325)
Or the chamfering or fillet of grinding formation.
Please continue to refer to Fig. 4, the present invention also provides a kind of leak-checking apparatus, and it includes compressed air source unit and self-picketing as described above
Inclined leak checking mechanism, the compressed air source unit include gas-tpe fitting 700, the compressed air source unit by the gas-tpe fitting 700 with it is described
Self correction leak checking mechanism connects.
When carrying out air tightness test to container using the experiment of above-mentioned leak-checking apparatus, first by the gas-tpe fitting of compressed air source unit
700 first 320 are connected good with leaking hunting, and avoid the occurrence of leakage；Driving source 100 is opened afterwards power is provided, so as to promote gland 200
Pushing contacts seal 310 and the vessel port of testing container 800, and when driving source 100 further promotes gland 200 to push
When, rotational support body 400 can provide rotating fulcrum, now be adjusted by the self-adapting stretching of at least two elastic telescopic components 500
Section effect makes the gap of gland automatic plugging seal 310 and vessel port fitting surface, and gland 200 is branch with rotational support body 400
First 320 rigid contact is realized while point rotates and with leaking hunting, so that leaking hunting first 320 promotes seal 310 and appearance to be measured
The vessel port of device 800 forms good end contact sealing.The alignment error of cylinder and testing container 800 can be so directed to,
It is automatic to adapt to and eliminate seal 310 and the assembling gap at vessel port end contact, automatic deviation rectifying function is realized, so as to prevent
The problem of appearance accepted container is mistaken for leakage container occurs, and not only improves test result accuracy and reliability, while also subtract
" percent defective " of low container, avoids enterprise from suffering unnecessary loss.
The air flue that leaks hunting is provided with the threaded portion for being easy to be connected with gas-tpe fitting 700 close to its air inlet 321b inwall
321c.Specific threaded portion 321c is internal thread, and gas-tpe fitting 700 is provided with external screw thread, thus by internal thread and outer spiral shell
The spinning of line is not only convenient for leaking hunting first 320 realizes firm installation, and the connected mode knot with the gas-tpe fitting 700 of compressed air source unit
Structure is simple, is convenient to mount and dismount.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. self correction leak checking mechanism, it is characterised in that including：Driving source；Gland, the gland and the driving source drive connection；Leak hunting component, and the component that leaks hunting includes seal and set with the spaced head that leaks hunting of the gland, the head that leaks hunting Leak hunting air flue, the seal be arranged at it is described leak hunting on head and positioned at the gas outlet side of the air flue that leaks hunting, for The vessel port crimping sealing of testing container；Rotational support body, the rotational support body, which compresses, to be arranged between the gland and the head that leaks hunting；AndAt least two elastic telescopic components, at least two elastic telescopic components be connected in the gland and it is described leak hunting head it Between and around the rotational support body be arranged at intervals.
- 2. self correction leak checking mechanism according to claim 1, it is characterised in that including three elastic telescopic components, And three elastic telescopic components are set along the circumferential uniform intervals of the gland and the head that leaks hunting, the gland is circumferentially Three installation through-holes are offered, the head that leak hunting circumferentially offer three lockholes, the elasticity to the side of the gland Telescopic component, the installation through-hole, the lockhole correspond relatively, and the elastic telescopic component includes locking member and elasticity Press part, the locking member include discount, smooth surface section and the locking section being sequentially connected, and the locking member is disposed through the peace Fill in through hole, the discount is clasped with the gland, and the locking section coordinates with lockhole locking, and the elasticity compresses Part is set in the smooth surface section and to located between the gland and the head that leaks hunting.
- 3. self correction leak checking mechanism according to claim 1, it is characterised in that the rotational support body is steel ball, described Gland includes the first mating surface, and first mating surface is arranged with the first sphere portion, and the steel ball supports and is located at first sphere Between portion and the head that leaks hunting；Wherein, the first sphere portion is adapted to the sphere of the steel ball.
- 4. self correction leak checking mechanism according to claim 3, it is characterised in that the head that leaks hunting includes the second mating surface, Second mating surface is arranged with the second sphere portion relative with the first sphere portion, and the steel ball supports and is located at first ball Between facial and described second sphere portion；Wherein, the second sphere portion is adapted to the sphere of the steel ball.
- 5. self correction leak checking mechanism according to claim 1, it is characterised in that it is described leak hunting head include body and with institute State the construction section of body connection, the seal is sealing ring, the ring set on the construction section and with described Body abuts.
- 6. self correction leak checking mechanism according to claim 5, it is characterised in that along the periphery wall of the construction section inwardly Annular slot is arranged with, the sealing ring is arranged in the annular slot.
- 7. the self correction leak checking mechanism according to claim 5 or 6, it is characterised in that the free end of the construction section is provided with It is easy to the introduction part with testing container socket.
- 8. self correction leak checking mechanism according to claim 1, it is characterised in that the air flue that leaks hunting is close to its air inlet Inwall is provided with the threaded portion for being easy to be connected with gas-tpe fitting.
- 9. self correction leak checking mechanism according to claim 1, it is characterised in that also including cylinder mounting plate, the driving Source is cylinder, and the cylinder is arranged on the cylinder mounting plate.
- A kind of 10. leak-checking apparatus, it is characterised in that including compressed air source unit and as described in above-mentioned any one of claim 1 to 9 from Correction leak checking mechanism, the compressed air source unit include gas-tpe fitting, and the compressed air source unit passes through the gas-tpe fitting and the self-picketing Inclined leak checking mechanism connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751111.XA CN107631845A (en) | 2017-08-28 | 2017-08-28 | Self correction leak checking mechanism and leak-checking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110553804A (en) * | 2019-09-29 | 2019-12-10 | 上海舒井汽车系统科技有限公司 | Air tightness pressure regulating detection device of pressing spherical body |
| CN114427941A (en) * | 2020-10-29 | 2022-05-03 | 长鑫存储技术有限公司 | Leak detection device |
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