CN208000185U - Air tightness detection machine structure - Google Patents
Air tightness detection machine structure Download PDFInfo
- Publication number
- CN208000185U CN208000185U CN201820524842.0U CN201820524842U CN208000185U CN 208000185 U CN208000185 U CN 208000185U CN 201820524842 U CN201820524842 U CN 201820524842U CN 208000185 U CN208000185 U CN 208000185U
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- cylinder
- mold
- pressure
- machine structure
- air tightness
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 229920001821 foam rubber Polymers 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 241001465382 Physalis alkekengi Species 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The utility model discloses a kind of air tightness detection machine structure, it is related to car light detection technique field, can not be simulated with to solve existing airtight detection and get off light airtightness in the true entrucking state of constant fastening pressure and qualified foam-rubber cushion decrement and the technical issues of influence judgment accuracy.Air tightness detection machine structure described in the utility model, including:Upper die and lower die, lower die are equipped with lamp body supporting mechanism;Gas spring mechanism is mounted on by inflation mechanism mounting base in upper mold, master cylinder and auxiliary cylinder are fixedly mounted on the bottom face of inflation mechanism mounting base, the cylinder club head of master cylinder is equipped with pressure sensor, master cylinder and auxiliary cylinder keep cylinder rod to stretch out state and withstand inflation mold mounting plate moving up and down for a long time, the lower surface of inflation mold mounting plate is installed with inflating mold, the side of inflating mold is installed with displacement sensor, and the bottom end of displacement sensor contacts lamp body;The air inlet of master cylinder and auxiliary cylinder is in series with unloading valve between the gas outlet of precise pressure-reducing valve respectively.
Description
Technical field
The utility model is related to car light detection technique field, more particularly to a kind of air tightness detection machine structure.
Background technology
Automobile tail light is bonded with vehicle body sheet metal by a piece of gasket in entrucking and compresses realization sealing, after the completion of assembly
The decrement of foam-rubber cushion and the pressure being subject to are definite value (wherein the decrement of foam-rubber cushion can have micro error), which exists
Car light will stick when producing.
The car light that completed in the production line to assembly carries out the air tightness test of simulation entrucking, and airtight detection needs to detect
The sealing performance of foam-rubber cushion car light under entrucking decrement and entrucking pressure value is specifically judged with inner gas pressure and dwell time
Pressure size that is whether qualified, therefore needing in detection process to monitor the decrement of foam-rubber cushion and foam-rubber cushion to be subject to simultaneously.
However, present inventor has found:
1, when sponge mat thickness has large error, the decrement under constant-pressure has large error;
2, master cylinder and assistant cylinder are gas spring, need to use pressure reducing valve preset pressure value in debugging process, but mold
Gas is compressed in exhaust hood, and in-cylinder pressure increases, and causes inflation mechanism to apply pressure non-constant;
3, when the density for being put into foam-rubber cushion is bigger than normal, decrement can reduce;When the density for being put into foam-rubber cushion is less than normal, compression
Amount will increase.
Therefore, how a kind of air tightness detection machine structure is provided, pressure and the in real time thickness of monitoring foam-rubber cushion can be kept constant
It is whether qualified with density, it has also become the technical issues of those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of air tightness detection machine structures, can not be simulated with solving existing airtight detection
Car light air-tightness under the true entrucking state of constant fastening pressure and qualified foam-rubber cushion decrement and influence judgment accuracy
The technical issues of.
The utility model provides a kind of air tightness detection machine structure, including:Upper die and lower die, the upper mold are equipped with gas spring machine
Structure, pressure sensor, inflating mold, displacement sensor, precise pressure-reducing valve and unloading valve, the lower die are equipped with lamp body support machine
Structure;The gas spring mechanism is mounted on by inflation mechanism mounting base in the upper mold, and master cylinder and auxiliary cylinder are fixedly mounted
The pressure sensor, institute are installed in the cylinder club head of the bottom face of the inflation mechanism mounting base, the master cylinder
It states master cylinder and the auxiliary cylinder keeps cylinder rod to stretch out state and withstands inflation mold mounting plate moving up and down for a long time, it is described
The lower surface of inflation mold mounting plate is installed with the inflating mold, and the side of the inflating mold is installed with the displacement and passes
The bottom end of sensor, institute's displacement sensors contacts lamp body;The air inlet of the master cylinder and the auxiliary cylinder respectively with the essence
The unloading valve is in series between the gas outlet of close pressure reducing valve.
When practical application, the lamp body supporting mechanism includes:Supporting block and supporting block mounting plate;The lamp body passes through described
Supporting block is fixed on the supporting block mounting plate.
Wherein, the supporting block includes at least four;At least two supporting blocks and the supporting block mounting plate it
Between be provided with supporting block installation and adjustment plate.
Specifically, the auxiliary cylinder includes at least two, and multiple auxiliary cylinders are in circumferential around the master cylinder
Distribution setting.
When practical application, the inflation mold mounting plate moving up and down is moved up and down using guide frame realization.
Further, the quadrangle of the inflation mold mounting plate is oriented to using guiding axis and linear bearing cooperation.
Further, the lower end of the guiding axis is equipped with guiding axis reinforcing rib.
Still further, there are two the guiding axis reinforcing rib includes, and two guiding axis reinforcing ribs are located at
The both sides of the inflating mold are oppositely arranged.
Optionally, the precise pressure-reducing valve and the unloading valve are sequentially arranged in mounting base.
Wherein, the precise pressure-reducing valve includes the first precise pressure-reducing valve and the second precise pressure-reducing valve, the unloading valve packet
The first unloading valve and the second unloading valve are included;Between the air inlet of the master cylinder and the gas outlet of first precise pressure-reducing valve
It is in series with first unloading valve, is in series between the air inlet of the auxiliary cylinder and the gas outlet of second precise pressure-reducing valve
Second unloading valve.
Compared with the existing technology, air tightness detection machine structure described in the utility model has the advantage that:
In air tightness detection machine structure provided by the utility model, including:Upper die and lower die, upper mold be equipped with gas spring mechanism,
Pressure sensor, inflating mold, displacement sensor, precise pressure-reducing valve and unloading valve, lower die are equipped with lamp body supporting mechanism;Wherein,
Gas spring mechanism is mounted on by inflation mechanism mounting base in upper mold, and master cylinder and auxiliary cylinder are fixedly mounted on inflation mechanism peace
The bottom face of bottom plate is filled, the cylinder club head of master cylinder is equipped with pressure sensor, and master cylinder and auxiliary cylinder keep cylinder for a long time
Bar stretches out state and withstands inflation mold mounting plate moving up and down, and the lower surface for inflating mold mounting plate is installed with inflation
The side of mould, inflating mold is installed with displacement sensor, and the bottom end of displacement sensor contacts lamp body;Also, master cylinder and auxiliary
The air inlet of cylinder is in series with unloading valve between the gas outlet of precise pressure-reducing valve respectively.From this analysis, the utility model
In the air tightness detection machine structure of offer, due to the use of displacement sensor, therefore the decrement of monitoring foam-rubber cushion in real time can be realized;By
Pressure is constant, the adjustable and gas spring mechanism that is evenly distributed in being provided with, and coordinates displacement sensor using pressure sensor, because
Whether the thickness and density that this can monitor foam-rubber cushion well is qualified, uneven in pressure to solve existing airtight detection
When can gas leakage and the technical issues of influence judgment accuracy.Namely air tightness detection machine structure provided by the utility model, upper and lower mould close
After mould, inflation mechanism be applied to the lamps and lanterns with foam-rubber cushion pressure will not with " foam-rubber cushion " thickness and density even
The subtle difference in height of lamps and lanterns and change.
The utility model also provides a kind of air tightness detection machine structure, including:Upper die and lower die, the upper mold are equipped with gas spring
Mechanism, inflating mold, displacement sensor, precise pressure-reducing valve and unloading valve, the lower die are equipped with lamp body supporting mechanism;The gas bullet
Spring mechanism is mounted on by inflation mechanism mounting base in the upper mold, and master cylinder and auxiliary cylinder are fixedly mounted on the inflator
The bottom face of structure mounting base, the cylinder club head of the master cylinder are equipped with pressure sensor, the master cylinder and described auxiliary
Cylinder keeps cylinder rod to stretch out state and withstands inflation mold mounting plate moving up and down for a long time, under the inflation mold mounting plate
Surface is installed with the inflating mold, and the side of the inflating mold is installed with institute's displacement sensors, and the displacement passes
The bottom end of sensor contacts lamp body;The air inlet of the master cylinder and the auxiliary cylinder gas outlet with the precise pressure-reducing valve respectively
Between be in series with the unloading valve;The lamp body supporting mechanism includes supporting block and supporting block mounting plate;The lamp body passes through institute
Supporting block is stated to be fixed on the supporting block mounting plate.
Possessed advantage is identical compared with the existing technology with above-mentioned air tightness detection machine structure for the air tightness detection machine structure, herein
It repeats no more.
The utility model provides a kind of application method of air tightness detection machine structure again, includes the following steps:Adjustment essence before test
The parameter value of close pressure reducing valve and unloading valve enables the pressure of gas spring mechanism that one standard seal pad is compressed to predetermined value,
Record the pressure value of the state lower pressure sensor;The shift value of displacement sensor is set, and gives a small domain of walker,
Decrement changes in the range is all defaulted as compression in place;When displacement sensor monitors decrement exception, if pressure passes
The pressure that sensor monitors is normal, then gasket is unqualified;If the pressure that pressure sensor monitoring arrives is abnormal, consideration is to set
Standby failure.
The application method of the air tightness detection machine structure is possessed excellent compared with the existing technology with above-mentioned air tightness detection machine structure
Gesture is identical, and details are not described herein.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the air tightness detection machine structure that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram of upper mold in the air tightness detection machine structure that the utility model embodiment provides;
Fig. 3 is the structural schematic diagram of lower die in the air tightness detection machine structure that the utility model embodiment provides;
Fig. 4 is the flow diagram for the air tightness detection machine structure application method that the utility model embodiment provides.
In figure:1- upper molds;2- lower dies;3- inflation mechanism mounting bases;4- guiding axis;5- linear bearings;61- fills
Gas mold mounting plate;62- inflating molds;7- guiding axis reinforcing ribs;81- master cylinders;82- pressure sensors;The auxiliary cylinders of 9-;
11- displacement sensors;12- mounting bases;13- precise pressure-reducing valves;14- unloading valves;15- supporting block mounting plates;16- is supported
Block installation and adjustment plate;17- supporting blocks;18- lamp bodies.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, can also be electrical connection;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Fig. 1 is the structural schematic diagram for the air tightness detection machine structure that the utility model embodiment provides;Fig. 2 is that the utility model is real
The structural schematic diagram of upper mold in the air tightness detection machine structure of example offer is provided;Fig. 3 is the airtight detection that the utility model embodiment provides
The structural schematic diagram of lower die in mechanism.
As shown in Figure 1-Figure 3, the utility model embodiment provides a kind of air tightness detection machine structure, including:Upper mold 1 and lower die
2, upper mold 1 is equipped with gas spring mechanism, pressure sensor 82, inflating mold 62, displacement sensor 11, precise pressure-reducing valve 13 and off-load
Valve 14, lower die 2 are equipped with lamp body supporting mechanism;Gas spring mechanism is mounted on by inflation mechanism mounting base 3 in upper mold 1, main
Cylinder 81 and auxiliary cylinder 9 are fixedly mounted on the bottom face of inflation mechanism mounting base 3, and the cylinder club head of master cylinder 81 is equipped with
Pressure sensor 82, master cylinder 81 and auxiliary cylinder 9 keep cylinder rod to stretch out state and withstand inflating mold moving up and down for a long time
The lower surface of mounting plate 61, inflation mold mounting plate 61 is installed with inflating mold 62, and the side of inflating mold 62 is installed with position
The bottom end of displacement sensor 11, displacement sensor 11 contacts lamp body 18;The air inlet of master cylinder 81 and auxiliary cylinder 9 subtracts with precision respectively
Unloading valve 14 is in series between the gas outlet of pressure valve 13.
Compared with the existing technology, the air tightness detection machine structure described in the utility model embodiment has the advantage that:
In the air tightness detection machine structure that the utility model embodiment provides, as shown in Figure 1-Figure 3, including:Upper mold 1 and lower die
2, upper mold 1 is equipped with gas spring mechanism, pressure sensor 82, inflating mold 62, displacement sensor 11, precise pressure-reducing valve 13 and off-load
Valve 14, lower die 2 are equipped with lamp body supporting mechanism;Wherein, gas spring mechanism is mounted on upper mold 1 by inflation mechanism mounting base 3
On, master cylinder 81 and auxiliary cylinder 9 are fixedly mounted on the bottom face of inflation mechanism mounting base 3, the cylinder club head of master cylinder 81
Pressure sensor 82 is installed, master cylinder 81 and auxiliary cylinder 9 keep cylinder rod to stretch out state and withstand moving up and down for a long time
Mold mounting plate 61 is inflated, the lower surface of inflation mold mounting plate 61 is installed with inflating mold 62, and peace is fixed in the side of inflating mold 62
Equipped with displacement sensor 11, the bottom end of displacement sensor 11 contacts lamp body 18;Also, the air inlet of master cylinder 81 and auxiliary cylinder 9
Unloading valve 14 is in series between the gas outlet of precise pressure-reducing valve 13 respectively.From this analysis, the utility model embodiment carries
In the air tightness detection machine structure of confession, due to the use of displacement sensor 11, therefore the decrement of monitoring foam-rubber cushion in real time can be realized;By
Pressure is constant, the adjustable and gas spring mechanism that is evenly distributed in being provided with, and coordinates displacement sensor using pressure sensor 82
11, therefore whether the thickness and density that can monitor foam-rubber cushion well is qualified, to solve existing airtight detection in pressure
The technical issues of gas leakage when uneven and influencing judgment accuracy.Namely air tightness detection machine structure provided by the utility model, on
After lower die molding, the pressure that inflation mechanism is applied to the lamps and lanterns with foam-rubber cushion will not be with the thickness and density of " foam-rubber cushion "
Even the subtle difference in height of lamps and lanterns and change.
When practical application, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned lamp
Body supporting mechanism may include:Supporting block 17 and supporting block mounting plate 15;Lamp body 18 can be fixed on support by supporting block 17
On block mounting plate 15.
Wherein, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned supporting block 17
May include having at least four;Supporting block installation and adjustment plate is provided between at least two supporting blocks 17 and supporting block mounting plate 15
16。
Specifically, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned auxiliary cylinder
9 may include having at least two, and multiple auxiliary cylinders 9 are in circumferentially distributed setting around master cylinder 81.
Further, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned inflation
The quadrangle of mold mounting plate 61 may be used guiding axis 4 and is oriented to the cooperation of linear bearing 5.
Further, as shown in Figure 1-Figure 3, above-mentioned to lead in the air tightness detection machine structure that the utility model embodiment provides
It can be equipped with guiding axis reinforcing rib 7 to the lower end of axis 4, to effectively reinforce consolidating for guiding axis 4 by the guiding axis reinforcing rib 7
It is fixed.
Still further, as shown in Figure 1-Figure 3, it is above-mentioned to lead in the air tightness detection machine structure that the utility model embodiment provides
There are two may include to axis reinforcing rib 7, and two guiding axis reinforcing ribs 7 can be located at the both sides of inflating mold 62 and opposite set
It sets.
Optionally, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned precision subtracts
Pressure valve 13 and unloading valve 14 can be sequentially arranged in mounting base 12.
Wherein, as shown in Figure 1-Figure 3, in the air tightness detection machine structure that the utility model embodiment provides, above-mentioned accurate decompression
Valve 13 may include having the first precise pressure-reducing valve and the second precise pressure-reducing valve, and above-mentioned unloading valve 14 may include having the first unloading valve
With the second unloading valve;Specifically, first is in series between the air inlet of master cylinder 81 and the gas outlet of the first precise pressure-reducing valve to unload
Lotus valve is in series with the second unloading valve between the air inlet of auxiliary cylinder 9 and the gas outlet of the second precise pressure-reducing valve.
As shown in Figure 1-Figure 3, the utility model embodiment also provides a kind of air tightness detection machine structure, including:Upper mold 1 is under
Mould 2, upper mold 1 are equipped with gas spring mechanism, inflating mold 62, displacement sensor 11, precise pressure-reducing valve 13 and unloading valve 14, lower die 2
Lamp body supporting mechanism is installed;Gas spring mechanism is mounted on by inflation mechanism mounting base 3 in upper mold 1, master cylinder 81 and auxiliary
Cylinder 9 is fixedly mounted on the bottom face of inflation mechanism mounting base 3, and the cylinder club head of master cylinder 81 is equipped with pressure sensor
82, master cylinder 81 and auxiliary cylinder 9 keep cylinder rod to stretch out state and withstand inflation mold mounting plate 61 moving up and down for a long time, fill
The lower surface of gas mold mounting plate 61 is installed with inflating mold 62, and the side of inflating mold 62 is installed with displacement sensor 11,
The bottom end of displacement sensor 11 contacts lamp body 18;The air inlet of master cylinder 81 and auxiliary cylinder 9 goes out with precise pressure-reducing valve 13 respectively
Unloading valve 14 is in series between gas port;Lamp body supporting mechanism includes supporting block 17 and supporting block mounting plate 15;Lamp body 18 passes through branch
Bracer 17 is fixed on supporting block mounting plate 15.
Fig. 4 is the flow diagram for the air tightness detection machine structure application method that the utility model embodiment provides.
The utility model embodiment provides a kind of application method of air tightness detection machine structure again, as shown in figure 4, including following step
Suddenly:Step S1, the parameter value that precise pressure-reducing valve and unloading valve are adjusted before test enables the pressure of gas spring mechanism to mark one
Quasi- gasket is compressed to predetermined value, records the pressure value of the state lower pressure sensor;Step S2, the position of displacement sensor is set
Shifting value, and a small domain of walker is given, decrement changes in the range is all defaulted as compression in place;Step S3, work as position
When displacement sensor monitors decrement exception, if the pressure that pressure sensor monitoring arrives is normal, gasket is unqualified;If pressure
The pressure that Sensor monitoring arrives is abnormal, then considers to be equipment fault.
In air tightness detection machine structure and its application method that the utility model embodiment provides, due to the use of displacement sensor,
Therefore the decrement of monitoring foam-rubber cushion in real time can be realized;Due to being provided with, pressure is constant, the adjustable and gas spring that is evenly distributed
Mechanism, and using pressure sensor coordinate displacement sensor, therefore can monitor well foam-rubber cushion thickness and density whether
Qualification, to solve existing airtight detection when pressure is uneven can gas leakage and the technical issues of influence judgment accuracy.
Air tightness detection machine structure i.e. provided by the utility model, after upper and lower mould molding, inflation mechanism is applied to the lamps and lanterns with foam-rubber cushion
Pressure will not change with the subtle difference in height of thickness and the density even lamps and lanterns of " foam-rubber cushion ".
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of air tightness detection machine structure, which is characterized in that including:Upper die and lower die, the upper mold are equipped with gas spring mechanism, pressure
Force snesor, inflating mold, displacement sensor, precise pressure-reducing valve and unloading valve, the lower die are equipped with lamp body supporting mechanism;
The gas spring mechanism is mounted on by inflation mechanism mounting base in the upper mold, and master cylinder and auxiliary cylinder are fixedly mounted
The pressure sensor, institute are installed in the cylinder club head of the bottom face of the inflation mechanism mounting base, the master cylinder
It states master cylinder and the auxiliary cylinder keeps cylinder rod to stretch out state and withstands inflation mold mounting plate moving up and down for a long time, it is described
The lower surface of inflation mold mounting plate is installed with the inflating mold, and the side of the inflating mold is installed with the displacement and passes
The bottom end of sensor, institute's displacement sensors contacts lamp body;
The air inlet of the master cylinder and the auxiliary cylinder is in series between the gas outlet of the precise pressure-reducing valve described respectively
Unloading valve.
2. air tightness detection machine structure according to claim 1, which is characterized in that the lamp body supporting mechanism includes:Supporting block
With supporting block mounting plate;The lamp body is fixed on by the supporting block on the supporting block mounting plate.
3. air tightness detection machine structure according to claim 1 or 2, which is characterized in that the auxiliary cylinder includes at least two,
And multiple auxiliary cylinders are in circumferentially distributed setting around the master cylinder.
4. air tightness detection machine structure according to claim 1, which is characterized in that the inflation mold mounting plate moving up and down
It is moved up and down using guide frame realization.
5. air tightness detection machine structure according to claim 1, which is characterized in that the precise pressure-reducing valve includes the first precision
Pressure reducing valve and the second precise pressure-reducing valve, the unloading valve include the first unloading valve and the second unloading valve;The master cylinder into
Be in series with first unloading valve between gas port and the gas outlet of first precise pressure-reducing valve, the air inlet of the auxiliary cylinder with
Second unloading valve is in series between the gas outlet of second precise pressure-reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524842.0U CN208000185U (en) | 2018-04-13 | 2018-04-13 | Air tightness detection machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524842.0U CN208000185U (en) | 2018-04-13 | 2018-04-13 | Air tightness detection machine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000185U true CN208000185U (en) | 2018-10-23 |
Family
ID=63839398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820524842.0U Expired - Fee Related CN208000185U (en) | 2018-04-13 | 2018-04-13 | Air tightness detection machine structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN208000185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655351A (en) * | 2019-03-11 | 2019-04-19 | 常州星宇车灯股份有限公司 | A kind of light for vehicle weld strength detection device |
-
2018
- 2018-04-13 CN CN201820524842.0U patent/CN208000185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655351A (en) * | 2019-03-11 | 2019-04-19 | 常州星宇车灯股份有限公司 | A kind of light for vehicle weld strength detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181023 |