CN208984300U - A kind of air-tightness detection tool of combination oil seal - Google Patents
A kind of air-tightness detection tool of combination oil seal Download PDFInfo
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- CN208984300U CN208984300U CN201821598821.XU CN201821598821U CN208984300U CN 208984300 U CN208984300 U CN 208984300U CN 201821598821 U CN201821598821 U CN 201821598821U CN 208984300 U CN208984300 U CN 208984300U
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Abstract
A kind of air-tightness detection tool of combination oil seal, is related to oil sealing detection technique field, including cope plate and lower template, and the oil sealing placing chamber of annular is equipped at the land area of cope plate and lower template；The side wall of lower template is equipped with air inlet, air inlet is connected to air intake duct one and air intake duct two respectively, air intake duct one is connected to sealing cutting edge, air intake duct two is connected to main lip, cope plate is equipped with gas vent, the upper surface of cope plate is equipped with exhaust duct one and exhaust duct two, exhaust duct one is connected to after running through gas vent with sealing cutting edge, exhaust duct two is connected to after running through gas vent with main lip, one upper end of exhaust duct is sealedly connected with bolt one, the upper end position of gas vent is tightly connected by bolt one, bolt two is sealedly connected in exhaust duct two, the lower end position of gas vent is tightly connected by bolt two.The utility model can distinguish the sealing cutting edge of detection combination oil sealing and the air-tightness of main lip, can also simplify detection process while being able to achieve sealing propertytest on production line.
Description
Technical field
The utility model relates to oil sealing detection technique fields, and in particular to a kind of air-tightness detection tool of combination oil seal.
Background technique
With the development of technology, automobile industry requires to be increasingly stringenter to sealing performance, therefore the air-tightness of sealing system
Become the overall target for measuring working performance quality.Air-tightness is better, and revolving speed is also higher, and torque also can be bigger.Air-tightness
Not only power is small for engine, vehicle bridge of difference etc., but also can be difficult to because of job insecurity caused by the reasons such as oil absorbency difference
Phenomena such as adjustment and easy parking.Therefore air-leakage test of the oil sealing before factory belongs to quality monitoring essential one
Ring, in existing oil sealing air-leakage test, primarily directed to the air-leakage test at the main lip of oil sealing, still, for combination oil
For envelope, combination oil seal is that the inner oil seal with sealing cutting edge is assembled to combination on the outer oil seal with oil seal seat to be made, right
The air tight test of combination oil seal, main detection position are the sealing cutting edge positions of inside and outside two oil sealing sealings connection, still
Existing air-tightness detection device is only capable of detecting at the main lip of oil sealing, and there is no for the inspection sealed at cutting edge in combination oil seal
Survey device；In addition, being the use state for simulating oil sealing in existing oil seal air-tightness detection device, oil sealing is assembled to installation axle
It is detected on shell, therefore is easy to that the internal diameter of oil sealing is caused to chew with outer diameter, therefore existing air-leakage test fills
It sets and is only applicable to test requirements document inspection or periodically sampling observation test, it can not be as the detection process on production line.
Summary of the invention
In order to solve above-mentioned problem of the prior art, the utility model provides a kind of air-leakage test work of combination oil seal
Dress can distinguish the sealing cutting edge of detection combination oil sealing and the air-tightness of main lip in same tooling, be able to achieve on production line
Detection process can also be simplified while sealing propertytest, guarantee the quality of combination oil seal, improve production efficiency.
The purpose of this utility model can be realized by the following technical scheme: a kind of air-leakage test work of combination oil seal
The oil sealing placing chamber of annular, institute are equipped at the land area of dress, including cope plate and lower template, the cope plate and the lower template
It states and is tightly connected at the two sides land area of oil sealing placing chamber, combination oil seal is arranged in the oil sealing placing chamber, combination oil seal
Inner oil seal lower end be tightly connected by itself rubber body and lower template, the upper surface of the outer oil seal of combination oil seal and it is described on
Formwork seal connection, the upper end of inner oil seal and the cope plate are tightly connected, the main lip of inner oil seal and the oil sealing placing chamber
It does not contact；The side wall of the lower template is equipped with air inlet, and the air inlet is connected to air intake duct one and air intake duct two respectively, institute
Air intake duct one to be stated to be connected to sealing cutting edge, the air intake duct two is connected to main lip, and the side wall of the cope plate is equipped with gas vent,
The upper surface of the cope plate be equipped with exhaust duct one and exhaust duct two, the exhaust duct one run through the gas vent after with sealing sword
Mouth connection, the exhaust duct two are connected to after running through the gas vent with main lip, and one upper end of exhaust duct is sealedly connected with spiral shell
The upper end position of the gas vent is tightly connected by bolt one, the bolt one, is sealedly connected with bolt two in the exhaust duct two,
The lower end position of the gas vent is tightly connected by the bolt two.
Preferably, it is sealed positioned at the two sides of the oil sealing placing chamber equipped with twice first on the land area of the lower template
Circle, the oil sealing placing chamber are tightly connected by first sealing ring of two sides；On the outside of the upper surface of the oil sealing placing chamber
Equipped with the second sealing ring, second sealing ring seals the upper end of the outer skeleton of outer oil seal and the upper end of the oil sealing placing chamber
Connection；It is equipped with third sealing ring between the inner frame upper end of inner oil seal and the upper surface of the oil sealing placing chamber to be tightly connected, group
The lower end surface for closing oil sealing is tightly connected by body rubber face and the lower end surface of the oil sealing placing chamber.
Preferably, the exhaust duct one is respectively less than the diameter of the gas vent with the internal thread diameter of the exhaust duct two.
When bolt two is tightly connected, it is able to maintain the aeration of gas vent.
Preferably, the air intake duct one is respectively less than the diameter of the air inlet with the internal diameter of the air intake duct two.
Preferably, the cope plate is connect with automatic open-close equipment with the lower template.Connecting with folding equipment can be real
The automatic die sinking of existing two pieces of templates and the function of molding play the role of flowing water on combination oil seal production line and detect.
Preferably, one layer of raw material band is coated on the bolt one and the bolt two.
The use principle of the utility model: in detecting tool, being divided into two sense channels, when bolt one is sealedly connected on
On exhaust duct one, when bolt two is sealedly connected on exhaust duct two, exhaust duct two is sealed, at this time " air inlet-air intake duct
The flux lines of one-sealing cutting edge-one-gas vent of exhaust duct " are opened, and pressed gas is poured into air inlet, is observed at gas vent
Pressure value variation, detection inner oil seal and outer oil seal seal the joint sealing cutting edge at air-tightness；Connect when bolt two seals
It connects on exhaust duct one, when bolt one is sealedly connected on exhaust duct two, exhaust duct one is sealed, at this time " air inlet-air inlet
The flux lines of the main lip in road two-- two-gas vent of exhaust duct " are opened, and pressed gas is poured into air inlet, are observed at gas vent
Pressure value variation, the air-tightness at the main lip of detection combination oil sealing.
Resultant effect brought by the utility model includes: that the utility model simple structure is reasonable, easy to use, passes through spiral shell
Bolt one is exchanged with bolt two to be sealed on exhaust duct one and exhaust duct two, and then air inlet and air intake duct one and air intake duct two connect
Logical, the entire tooling that monitors can respectively correspond the sealing cutting edge of combination oil seal, carry out air tight test at main lip, it is ensured that can be same
The installation of one tooling last time just can air-tightness at detection combination oil sealing two, simplify the process of air tight test, while using close
Seal contacts the internal-and external diameter of combination oil seal with monitoring tooling, internal-and external diameter is avoided to be gnawed by tooling to examining channel to be sealed
Wound, protects the integrality of combination oil seal, the batch production suitable for streamlined production line.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the air-tightness detection tool of the utility model embodiment combination oil seal.
Fig. 2 is the structural schematic diagram at the A of the air-tightness detection tool of the utility model embodiment combination oil seal.
Wherein, the identical appended drawing reference of identical component in the accompanying drawings；The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment
A kind of air-tightness detection tool of combination oil seal 4, including cope plate 1 and lower template 2, the cope plate 1 with it is described
The oil sealing placing chamber 3 of annular is equipped at the land area of lower template 2, the equal company of sealing at the two sides land area of the oil sealing placing chamber 3
Connect, combination oil seal 4 is arranged in the oil sealing placing chamber 3,41 lower end of inner oil seal of combination oil seal 4 by itself rubber body with
Lower template 2 is tightly connected, and the upper surface of the outer oil seal 42 of combination oil seal 4 and the cope plate 1 are tightly connected, inner oil seal 41
Upper end and the cope plate 1 are tightly connected, and the main lip 411 of inner oil seal 41 is not contacted with the oil sealing placing chamber 3；The lower die
The side wall of plate 2 is equipped with air inlet 5, and the air inlet 5 is connected to air intake duct 1 and air intake duct 27 respectively, the air intake duct one
6 are connected to sealing cutting edge 421, and the air intake duct 27 is connected to main lip 411, and the side wall of the cope plate 1 is equipped with gas vent 8,
The upper surface of the cope plate 1 be equipped with exhaust duct 1 and exhaust duct 2 10, the exhaust duct 1 run through the gas vent 8 after with
It seals cutting edge 421 to be connected to, the exhaust duct 2 10 is connected to after running through the gas vent 8 with main lip 411, the exhaust duct 1
Upper end is sealedly connected with bolt 1, and the upper end position of the gas vent 8 is tightly connected by the bolt 1, the exhaust duct
Bolt 2 12 is sealedly connected in 2 10, the lower end position of the gas vent 8 is tightly connected by the bolt 2 12.
The first sealing ring of twice 13, institute are equipped with positioned at the two sides of the oil sealing placing chamber 3 on the land area of the lower template 2
Oil sealing placing chamber 3 is stated to be tightly connected by first sealing ring 13 of two sides；It is set on the outside of the upper surface of the oil sealing placing chamber 3
There is the second sealing ring 14, second sealing ring 14 is upper by the upper end of the outer skeleton of outer oil seal 42 and the oil sealing placing chamber 3
End is tightly connected；Third sealing ring 15 is equipped between the inner frame upper end of inner oil seal 41 and the upper surface of the oil sealing placing chamber 3
It is tightly connected, the lower end surface of combination oil seal 4 is tightly connected by body rubber face and the lower end surface of the oil sealing placing chamber 3.Institute
The internal thread diameter for stating exhaust duct 1 and the exhaust duct 2 10 is respectively less than the diameter of the gas vent 8.When bolt 2 12 seals
When connection, it is able to maintain the aeration of gas vent 8.The internal diameter of the air intake duct 1 and the air intake duct 27 is respectively less than the air inlet
The diameter in hole 5.
The cope plate 1 is connect with automatic open-close equipment with the lower template 2.It is connect with folding equipment and is able to achieve two pieces
The automatic die sinking of template and the function of molding play the role of flowing water on 4 production line of combination oil seal and detect.The bolt 1
With one layer of raw material band is coated on the bolt 2 12.
The use principle of the utility model embodiment: in detecting tool, it is divided into two sense channels, when bolt 1
It being sealedly connected on exhaust duct 1, when bolt 2 12 is sealedly connected on exhaust duct 2 10, exhaust duct 2 10 is sealed, this
When " one 6- of air inlet 5- air intake duct seal one 9- gas vent 8 of cutting edge 421- exhaust duct " flux lines open, rushed into air inlet 5
Enter pressed gas, observes the pressure value variation at gas vent 8, the sealing that detection inner oil seal 41 and outer oil seal 42 seal the joint
Air-tightness at cutting edge 421；When bolt 2 12 is sealedly connected on exhaust duct 1, bolt 1 is sealedly connected on exhaust duct two
When on 10, exhaust duct 1 is sealed, at this time " the main two 10- gas vent of lip 411- exhaust duct of two 7- of air inlet 5- air intake duct
8 " flux lines are opened, and pressed gas is poured into air inlet 5, observe the pressure value variation at gas vent 8, detection combination oil sealing
Air-tightness at 4 main lip 411.
Resultant effect brought by the utility model embodiment includes: that the utility model embodiment simple structure is reasonable, is made
With convenient, exchange by bolt 1 with bolt 2 12 be sealed in exhaust duct 1 on exhaust duct 2 10, then air inlet 5 and
Air intake duct 1 is connected to air intake duct 27, and the entire tooling that monitors can respectively correspond the sealing cutting edge 421 of combination oil seal 4, main lip
Air tight test is carried out at 411, it is ensured that can once be installed in same tooling just can air-tightness at 4 liang of detection combination oil sealing,
Simplify the process of air tight test, while using sealing ring to examining channel to be sealed, make the internal-and external diameter of combination oil seal 4 not with
Tooling contact is monitored, internal-and external diameter is avoided to be chewed by tooling, the integrality of combination oil seal 4 is protected, suitable for streamlined production line
Batch production.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this
Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
The utility model is described above with reference to preferred embodiment, but the protection scope of the utility model is not
Limited to this, any all technical solutions fallen within the scope of the appended claims are within the protection scope of the present utility model.?
In the case where not departing from the scope of the utility model, various improvement can be carried out to it and can be replaced with equivalent therein
Component.Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can be in any way
It combines.
Claims (6)
1. a kind of air-tightness detection tool of combination oil seal, which is characterized in that including cope plate and lower template, the cope plate with
The oil sealing placing chamber of annular is equipped at the land area of the lower template, the equal company of sealing at the two sides land area of the oil sealing placing chamber
It connects, combination oil seal is arranged in the oil sealing placing chamber, and the inner oil seal lower end of combination oil seal passes through itself rubber body and lower die
Plate is tightly connected, and the upper surface of the outer oil seal of combination oil seal and the cope plate are tightly connected, the upper end of inner oil seal and it is described on
Formwork seal connection, the main lip of inner oil seal are not contacted with the oil sealing placing chamber；
The side wall of the lower template is equipped with air inlet, and the air inlet is connected to air intake duct one and air intake duct two respectively, described
Air intake duct one is connected to sealing cutting edge, and the air intake duct two is connected to main lip, and the side wall of the cope plate is equipped with gas vent, institute
State cope plate upper surface be equipped with exhaust duct one and exhaust duct two, the exhaust duct one run through the gas vent after with sealing cutting edge
Connection, the exhaust duct two are connected to after running through the gas vent with main lip, and one upper end of exhaust duct is sealedly connected with bolt
One, the upper end position of the gas vent is tightly connected by the bolt one, is sealedly connected with bolt two, institute in the exhaust duct two
Bolt two is stated to be tightly connected the lower end position of the gas vent.
2. the air-tightness detection tool of combination oil seal according to claim 1, which is characterized in that the molding of the lower template
Be equipped with the first sealing ring of twice positioned at the two sides of the oil sealing placing chamber on face, the oil sealing placing chamber pass through two sides described the
One sealing ring is tightly connected；The second sealing ring is equipped on the outside of the upper surface of the oil sealing placing chamber, second sealing ring will be outer
The upper end of the outer skeleton of oil sealing and the upper end of the oil sealing placing chamber are tightly connected；The inner frame upper end of inner oil seal and the oil sealing
Third sealing ring is equipped between the upper surface of placing chamber to be tightly connected, the lower end surface of combination oil seal by body rubber face with it is described
The lower end surface of oil sealing placing chamber is tightly connected.
3. the air-tightness detection tool of combination oil seal according to claim 2, which is characterized in that the exhaust duct one and institute
The internal thread diameter for stating exhaust duct two is respectively less than the diameter of the gas vent.
4. the air-tightness detection tool of combination oil seal according to claim 3, which is characterized in that the air intake duct one and institute
The internal diameter for stating air intake duct two is respectively less than the diameter of the air inlet.
5. the air-tightness detection tool of combination oil seal according to claim 4, which is characterized in that the cope plate with it is described
Lower template is connect with automatic open-close equipment.
6. the air-tightness detection tool of combination oil seal according to claim 5, which is characterized in that the bolt one with it is described
One layer of raw material band is coated on bolt two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598821.XU CN208984300U (en) | 2018-09-29 | 2018-09-29 | A kind of air-tightness detection tool of combination oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598821.XU CN208984300U (en) | 2018-09-29 | 2018-09-29 | A kind of air-tightness detection tool of combination oil seal |
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| Publication Number | Publication Date |
|---|---|
| CN208984300U true CN208984300U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821598821.XU Active CN208984300U (en) | 2018-09-29 | 2018-09-29 | A kind of air-tightness detection tool of combination oil seal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964434A (en) * | 2021-02-22 | 2021-06-15 | 苏州托克斯冲压设备有限公司 | Engine oil seal tightness detection device |
-
2018
- 2018-09-29 CN CN201821598821.XU patent/CN208984300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964434A (en) * | 2021-02-22 | 2021-06-15 | 苏州托克斯冲压设备有限公司 | Engine oil seal tightness detection device |
| CN112964434B (en) * | 2021-02-22 | 2023-09-29 | 苏州托克斯冲压设备有限公司 | Engine oil seal tightness detection device |
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