CN113483953A - Airtight detection choke plug and airtight detection device of intercooler - Google Patents
Airtight detection choke plug and airtight detection device of intercooler Download PDFInfo
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- CN113483953A CN113483953A CN202110754533.9A CN202110754533A CN113483953A CN 113483953 A CN113483953 A CN 113483953A CN 202110754533 A CN202110754533 A CN 202110754533A CN 113483953 A CN113483953 A CN 113483953A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/022—Test plugs for closing off the end of a pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to an air tightness detection bulkhead of an intercooler and an air tightness detection device, wherein the air tightness detection bulkhead comprises a handle flange, a detection gas channel, a sealing rubber plug, a ring clamp and a locking nut; the detection gas channel is arranged inside the handle flange, and the first pneumatic connector is connected with the detection gas channel; the upper end of the sealing rubber plug and the handle flange are clamped and sealed by a ring clamp, and the lower end of the sealing rubber plug and the detection gas channel are clamped and sealed by a locking nut; a gap between the inner wall of the sealing rubber plug and the detection gas channel forms a plugging gas channel, and the second pneumatic connector is connected with the plugging gas channel. Compared with the prior art, the invention improves the structure of the airtight detection bulkhead, seals the airtight detection bulkhead at the air inlet and the air outlet of a product to be detected by inflating the sealing rubber bulkhead to ensure that the airtight detection bulkhead expands and deforms, avoids the phenomenon that the airtight detection bulkhead falls off to hurt people and objects, and reduces the labor intensity of testers.
Description
Technical Field
The invention relates to the technical field of air tightness detection, in particular to an air tightness detection bulkhead of an intercooler and an air tightness detection device.
Background
The gas tightness of intercooler is an important quality testing index, to the intercooler product on the car, if the gas tightness of intercooler goes wrong, will influence car power. At present, the gas tightness of car intercooler product detects often and goes on through airtight detection bulkhead, and current airtight detection bulkhead is shown as figure 1, uses airtight both ends of examining the sealed intercooler of side bulkhead, aerifys in to the intercooler through airtight detection bulkhead, makes gas be full of the intercooler to detect whether the gas tightness of intercooler is good. However, at present, the manual pulling and pressing airtight detection choke plug is mostly adopted to detect intercooler products, and the following defects exist: the manual pulling of tester presses airtight detection bulkhead's intensity of labour height, if pull in airtight detection process and press airtight detection side bulkhead not to lock moreover, examines the utensil and take off the flight easily at the inflation in-process, damages tester or product, has the potential safety hazard, in addition, the efficiency of manual loading and unloading airtight detection bulkhead like this is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an air tightness detection bulkhead and an air tightness detection device of an intercooler, the structure of the air tightness detection bulkhead is improved, the air tightness detection bulkhead is sealed at an air inlet and an air outlet of a product to be detected by inflating a sealing rubber plug to expand and deform, the phenomenon that the air tightness detection bulkhead falls off to hurt people and objects is avoided, and the labor intensity of testers is reduced.
The purpose of the invention can be realized by the following technical scheme:
an air tightness detection bulkhead of an intercooler comprises a handle flange, a detection gas channel, a sealing rubber plug, a ring clamp and a locking nut;
the handle flange is of a hollow structure, the detection gas channel is arranged inside the handle flange along the axial direction of the handle flange, the handle flange is provided with a first pneumatic connector connected with a gas inlet of the detection gas channel, detection gas is connected into the airtight detection bulkhead from the first pneumatic connector, and the inner cavity of a product to be detected is filled with the detection gas channel;
the sealing rubber plug is connected to the bottom of the handle flange, the detection gas channel penetrates through the sealing rubber plug, the upper end of the sealing rubber plug and the handle flange are clamped and sealed by a ring clamp, and the lower end of the sealing rubber plug and the detection gas channel are clamped and sealed by a locking nut;
the utility model discloses a product is waiting to examine, including sealing rubber end cap inner wall and detection gas channel, the clearance that exists between sealing rubber end cap inner wall and the detection gas channel forms shutoff gas channel, be equipped with the business turn over gas port on the shutoff gas channel, the business turn over gas port is connected with the second pneumatic joint, and shutoff gas inserts shutoff gas channel from the second pneumatic joint for the outside inflation deformation of sealing rubber end cap, thereby fill up and block up the exit and seal waiting to examine the product.
Preferably, the handle flange comprises a cylindrical column body and a circular bottom, the radius of the bottom of the handle flange is matched with that of the sealing rubber plug, and the side wall of the upper end of the sealing rubber plug is attached to the bottom of the handle flange and is clamped and sealed by the ring clamp.
Preferably, a gap between the inner wall of the handle flange cylinder and the detection gas channel is communicated with a gap between the inner wall of the sealing rubber plug and the detection gas channel to form a plugging gas channel, and a gas inlet and a gas outlet of the plugging gas channel are arranged on the handle flange cylinder.
Preferably, the bottom of the handle flange is matched with the movable flange, the side wall of the upper end of the sealing rubber plug is clamped between the bottom of the handle flange and the movable flange, and the ring clamp locks the handle flange, the sealing rubber plug and the movable flange.
Preferably, the side wall of the detection gas channel is provided with an annular bump, and the side wall of the lower end of the sealing rubber plug is clamped and sealed on the annular bump by a locking nut.
Preferably, a first waterproof gasket is arranged between the annular convex block and the sealing rubber plug, and a second waterproof gasket is arranged between the sealing rubber plug and the locking nut.
Preferably, the first waterproof gasket and the second waterproof gasket are special-shaped gaskets, 2 groove barbs are arranged on the planes of the special-shaped gaskets, and the purpose is to enable the sealing rubber plug to deform according to the structure of the special-shaped gaskets by screwing the locking nut, so that the sealing tends to be more tight.
An air tightness detection device of an intercooler comprises an air tightness detection choke plug, a plugging expansion plug, an air tightness detector, an air valve control box and a controller;
the plugging expansion plug comprises a sealing rubber plug, the sealing rubber plug of the plugging expansion plug can expand and deform after being inflated, and the structure of the plugging expansion plug is similar to that of the airtight detection bulkhead, except that the plugging expansion plug cannot be filled with detection gas and only can be inflated with plugging gas to enable the sealing rubber plug of the plugging expansion plug to expand and deform;
the sealing rubber plug of the air tightness detection bulkhead is inserted into an air inlet pipe orifice of the intercooler, and the sealing rubber plug of the plugging expansion plug is inserted into an air outlet pipe orifice of the intercooler; on one hand, the plugging airtight intercooler is introduced into the airtight detection choke plug and the plugging expansion plug, and on the other hand, the detection gas is introduced into the airtight detection choke plug to detect the air tightness of the intercooler;
the air valve control box respectively pressurizes and inflates air into the air tightness detection bulkhead and the plugging expansion plug through the air inlet and outlet expansion pipeline, so that the sealing rubber bulkhead of the air tightness detection bulkhead inflates and expands to deform an air inlet pipe orifice of the sealed intercooler, and the sealing rubber bulkhead of the plugging expansion plug inflates and expands to deform an air outlet pipe orifice of the sealed intercooler;
the air tightness detector is connected with the first pneumatic connector of the air tightness detection bulkhead through an air tightness detection pipeline, pressurizes and inflates the detection gas channel of the air tightness detection bulkhead, and detects the gas leakage condition;
the controller is in communication connection with the air tightness detector and the air valve control box and is used for controlling the air tightness detector and the air valve control box.
Preferably, the air tightness detection device further comprises a frame, and the intercooler, the air tightness detector, the air valve control box and the controller are all arranged on the frame.
Preferably, the airtightness detection device further comprises a water tank, the size of the water injection space in the water tank is larger than that of the intercooler, and after the airtightness problem of the intercooler is detected, the specific air leakage position can be judged through the water tank.
Compared with the prior art, the invention has the following beneficial effects:
(1) the structure of the airtight detection bulkhead is improved, the airtight detection bulkhead is sealed at the air inlet and the air outlet of a product to be detected by inflating the sealing rubber bulkhead to enable the sealing rubber bulkhead to expand and deform, the phenomenon that the airtight detection bulkhead falls off to hurt people and objects is avoided, and the labor intensity of testers is reduced.
(2) The upper end of the sealing rubber plug is matched with the bottom of the handle flange on the movable flange, and the handle flange, the sealing rubber plug and the movable flange are locked by the ring clamp, so that the sealing effect is better.
(3) The lower end of the sealing rubber plug is tightly screwed and sealed with the detection gas channel through the locking nut, the detection gas channel is provided with an annular boss matched with the locking nut, a first waterproof gasket and a second waterproof gasket are arranged between the sealing rubber plug and the annular boss as well as between the sealing rubber plug and the locking nut, and the sealing effect is better.
(4) The first waterproof gasket and the second waterproof gasket are special-shaped gaskets, 2 grooves of barbs are arranged on the planes of the special-shaped gaskets, and the sealing rubber plugs deform according to the structures of the special-shaped gaskets by screwing the locking nuts, so that sealing is more close.
Drawings
FIG. 1 is a schematic structural diagram of a conventional airtight testing bulkhead;
FIG. 2 is a schematic diagram of the airtight testing bulkhead of the embodiment;
FIG. 3 is a schematic structural diagram of an embodiment of an air tightness detecting device;
reference numerals: 01. the pneumatic connector comprises a pneumatic connector 02, a handle 03, a gasket I, a gasket 04, a cushion block 05, a gasket II, a gasket 06, a sealing rubber plug of the existing airtight detection bulkhead 07, a gasket III, a gasket 08, a locking nut of the existing airtight detection bulkhead 09 and an eccentric pressure wrench;
1. the device comprises a handle flange, 101, a first pneumatic connector, 102, a second pneumatic connector, 2, a detection gas channel, 201, an annular bump, 3, a sealing rubber plug, 4, an annular clamp, 5, a locking nut, 6, a movable flange, 7, a first waterproof gasket, 8 and a second waterproof gasket;
100A, an airtight detection bulkhead, 100B, a plugging expansion plug, 200, an airtight detector, 300, an air valve control box, 400, a controller, 500, an intercooler, 600, an airtight detection pipeline, 700, an air inlet and outlet expansion pipeline, 800, a rack, 900 and a water tank.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. Parts are exaggerated in the drawing where appropriate for clarity of illustration.
Example 1:
as shown in fig. 1, the existing airtight detection bulkhead includes: the air tightness detection choke plug comprises a pneumatic connector 01, a handle 02, a first gasket 03, a cushion block 04, a second gasket 05, a sealing rubber plug 06, a third gasket 07, a locking nut 08 and an eccentric pressure wrench 09, and when the air tightness detection choke plug is inserted into a pipeline, detection air can be filled into the pipeline through the pneumatic connector 01. When carrying out the airtight detection of product, place the airtight rubber end cap 06 that detects the bulkhead bottom at the air inlet of waiting to examine the product, put into the airtight detection bulkhead that the structure is similar but can not let in the detection gas in the gas outlet of waiting to examine the product simultaneously, the tester forces to manually pull and presses two airtight detection bulkhead, makes its airtight air inlet and the gas outlet of waiting to examine the product, because the airtight detection bulkhead of gas outlet department can not circulate the detection gas, only need fill the gas tightness that detects the product into through the pneumatic connector 01 of gas inlet department. In the testing process, because the inner chamber of waiting to examine the product is filled with and detects gas, it is strong to press, and the airtight detection bulkhead of business turn over gas port drops easily, hits wounded testing personnel or product, and it is big to compress tightly required strength with airtight detection bulkhead moreover, and testing personnel will carry out high intensity labor for a long time.
In order to solve the problem, the application provides an airtight detection bulkhead of intercooler, as shown in fig. 2, including handle flange 1, detection gas channel 2, sealing rubber end cap 3, ring card 4 and lock nut 5.
The air tightness detection bulkhead can be conveniently inserted into and pulled out from the handle flange 1, the handle flange 1 is of a hollow structure, the detection gas channel 2 is arranged inside the handle flange 1 along the axial direction of the handle flange 1, the handle flange 1 is provided with a first pneumatic connector 101 connected with a gas inlet of the detection gas channel 2, after the air tightness detection bulkhead is connected with a product to be detected, detection gas is connected into the air tightness detection bulkhead from the first pneumatic connector 101, and the inner cavity of the product to be detected is filled with the detection gas channel 2;
the sealing rubber plug 3 is connected to the bottom of the handle flange 1, the detection gas channel 2 penetrates through the sealing rubber plug 3, the upper end of the sealing rubber plug 3 and the handle flange 1 are clamped and sealed through a ring clamp 4, and the lower end of the sealing rubber plug 3 and the detection gas channel 2 are clamped and sealed through a locking nut 5 to prevent gas leakage;
the sealing rubber plug 3 is actually a hollow structure, a gap between the inner wall of the sealing rubber plug 3 and the detection gas channel 2 forms a plugging gas channel, the plugging gas channel is provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are connected with a second pneumatic connector 102, and plugging gas is introduced into the plugging gas channel from the second pneumatic connector 102, so that the sealing rubber plug 3 expands and deforms outwards, and is filled in an inlet and outlet pipeline of a product to be detected, and finally, the sealing effect is achieved.
In this embodiment, as shown in fig. 2, the handle flange 1 includes a cylindrical column and a circular bottom, the radius of the bottom of the handle flange 1 matches with the radius of the sealing rubber plug 3, and the upper end side wall of the sealing rubber plug 3 is fitted to the bottom of the handle flange 1 and clamped and sealed by the ring clamp 4.
A gap between the inner wall of the cylinder body of the handle flange 1 and the detection gas channel 2 and a gap between the inner wall of the sealing rubber plug 3 and the detection gas channel 2 are communicated to form a plugging gas channel, and a gas inlet and a gas outlet of the plugging gas channel are arranged on the cylinder body of the handle flange 1.
The bottom of the handle flange 1 is matched with the movable flange 6, the side wall of the upper end of the sealing rubber plug 3 is clamped between the bottom of the handle flange 1 and the movable flange 6, and the handle flange 1, the sealing rubber plug 3 and the movable flange 6 are locked by the ring clamp 4. The movable flange 6 is matched with the bottom of the handle flange 1, and the ring clamp 4 acts to seal the upper end of the sealing rubber plug 3 so as to prevent air leakage.
An annular bump 201 is arranged on the side wall of the detection gas channel 2, and the side wall of the lower end of the sealing rubber plug 3 is clamped and sealed on the annular bump 201 by a locking nut 5. A first waterproof gasket 7 is arranged between the annular convex block 201 and the sealing rubber plug 3, and a second waterproof gasket 8 is arranged between the sealing rubber plug 3 and the locking nut 5. The first waterproof gasket 7 and the second waterproof gasket 8 are special-shaped gaskets, 2 grooves are arranged on the plane of each special-shaped gasket, and the purpose is to enable the sealing rubber plug 3 to deform according to the structure of each special-shaped gasket by screwing the locking nut 5, so that the sealing is more close, the lower end of the sealing rubber plug 3 is sealed, and air leakage is avoided.
The application provides an airtight detection bulkhead can directly put into the business turn over gas port of waiting to examine the product when using, and hollow structure's sealing rubber end cap 3 can easily put into this moment, later aerify in to shutoff gas passage through second pneumatic joint 102, and 3 bulging deformation of sealing rubber end cap compress tightly sealing rubber end cap 3 and seal on the business turn over gas port pipeline of waiting to examine the product. After the air tightness detection is completed, the air leakage of the second pneumatic connector 102 can be realized, and the air tightness detection bulkhead can be easily taken out.
This application is through aerifing the inflation to sealing rubber end cap 3 and coming airtight detection bulkhead and the business turn over gas port sealing connection who waits to examine the product, avoids the problem that drops when manual compressing tightly airtight detection bulkhead, and the security is higher, moreover greatly reduced tester's intensity of labour.
The application also provides an air tightness detection device of an intercooler, as shown in fig. 3, comprising an air tightness detection bulkhead 100A, a blocking expansion plug 100B, an air tightness detector 200, an air valve control box 300 and a controller 400, wherein some connecting lines are not marked in the figure;
the structure of the plugging expansion plug 100B is similar to that of the airtight detection bulkhead 100A, and the plugging expansion plug 100B also comprises a handle, a sealing rubber plug and the like, after plugging gas is filled into the plugging expansion plug 100B, the sealing rubber plug 3 of the plugging expansion plug 100B expands, bulges and deforms, and the difference between the plugging expansion plug 100B and the airtight detection bulkhead 100A is that the plugging expansion plug 100B cannot be filled with detection gas, and only can be filled with the plugging gas to seal the outlet of a product to be detected;
the sealing rubber plug 3 of the air tightness detection bulkhead 100A is inserted into an air inlet pipe orifice of the intercooler 500, and the sealing rubber plug 3 of the plugging expansion plug 100B is inserted into an air outlet pipe orifice of the intercooler 500; on one hand, the plugging airtight intercooler 500 is introduced into the airtight detection bulkhead 100A and the plugging expansion plug 100B, and on the other hand, the detection gas is introduced into the airtight detection bulkhead 100A to detect the air tightness of the intercooler 500;
the air valve control box 300 respectively pressurizes and inflates air into the airtight detection bulkhead 100A and the blocking and inflating plug 100B through the air inlet and outlet inflation pipeline 700, so that the sealing rubber plug 3 of the airtight detection bulkhead 100A inflates and expands to deform to seal the air inlet pipe orifice of the intercooler 500, and the sealing rubber plug 3 of the blocking and inflating plug 100B inflates and expands to deform to seal the air outlet pipe orifice of the intercooler 500; if the pressure is too small, the sealing rubber plug 3 deforms little, the sealing performance between the sealing rubber plug and the air inlet and outlet pipe ports of the intercooler 500 is poor, if the pressure is too large, the air inlet and outlet pipe ports of the intercooler 500 can be expanded and damaged, the pressure of the blocking air is generally 4-6kg, the wall of the pipe port can be reliably sealed by the air inlet and outlet pipe ports of the intercooler 500 during specific application, and the pressure of the blocking air is set to be about 5kg in the embodiment.
The air tightness detector 200 is connected with the first pneumatic connector 101 of the air tightness detection bulkhead 100A through an air tightness detection pipeline 600, the detection gas channel 2 of the air tightness detection bulkhead 100A is pressurized and inflated, and the detection gas cannot flow through the blocking expansion plug 100B, so that the air tightness of the intercooler 500 is reflected by the leakage condition of the detection gas; the gas tightness detecting instrument 200 may be an existing gas tightness detecting instrument, and the pressure of the detecting gas may be adjusted as required, and the pressure range is generally 1.5-2.0kg, and in this embodiment, the pressure of the detecting gas is set to 1.8 kg.
The controller 400 is communicatively connected to the air tightness detector 200 and the air valve control box 300, and is used for controlling the air tightness detector 200 and the air valve control box 300. The controller 400 can directly set the pressure of the gas filled into the intercooler 500 by the gas-tight detector 200 and the pressure of the plugging gas filled into the gas-tight detection bulkhead 100A and the plugging expansion plug 100B by the gas valve control box 300, and programs can be written into the controller 400 to control the working time of the gas-tight detector 200 and the gas valve control box 300 so as to automatically perform gas-tight detection. In this embodiment, the controller 400 is a PLC controller.
The air tightness detection device further comprises a frame 800, and the intercooler 500, the air tightness detector 200, the air valve control box 300 and the controller 400 are all arranged on the frame 800.
Airtight detection device still includes water tank 900, and the water injection space size in the water tank 900 is greater than intercooler 500's size, after detecting that intercooler 500 has the gas tightness problem, can judge concrete gas leakage position through water tank 900.
The steps for detecting the air tightness of the intercooler 500 are as follows:
the air tightness detection bulkhead 100A is inserted into an air inlet of the intercooler 500, the blocking expansion plug 100B is inserted into an air outlet of the intercooler 500, the air tightness detector 200 is connected with the air tightness detection bulkhead 100A, the air valve control box 300 is connected with the air tightness detection bulkhead 100A and the blocking expansion plug 100B, and the controller 400 controls the air tightness detector 200 and the air valve control box 300;
after the sealing rubber plugs 3 of the air tightness detection bulkhead 100A and the plugging expansion plug 100B are inserted into the inlet and outlet pipe orifices of the intercooler 500, firstly inflating the second pneumatic connectors 102 of the air tightness detection bulkhead 100A and the plugging expansion plug 100B to seal air, and inflating and expanding the sealant plugs 4 after the sealing air is filled in the cavities of the sealing rubber plugs 3 to seal the air inlet pipe and the air outlet pipe of the intercooler 500;
then, the air tightness detector 200 inflates detection air to the first pneumatic connector 101 of the air tightness detection bulkhead 100A, and the detection air fills the cavity of the intercooler 500;
performing operations such as pressure maintaining and detection on the intercooler 500;
after accomplishing the airtight detection of intercooler 500, it releases pressure earlier to detect the gas, then the shutoff gas releases pressure again, the tester carries out the detection operation of next intercooler 500 again, these operations are accomplished by controller 400 control, do not need manual operation, labor intensity has been reduced, the impact noise that the pressure release gas sent has been avoided, also avoided when the manual lever is lost heart because the impact force is big to take unstable airtight detection vexed head 100A and shutoff bloated compact heap 100B to make its emergence of taking off the hand and hindering people, hindering thing phenomenon.
In the whole detection work, a tester only takes the intercooler 500 to be detected down, the airtight detection bulkhead 100A and the plugging expansion plug 100B are inserted into the inlet and outlet pipe orifice of the intercooler 500, and other steps are completely controlled by a PLC program in the controller 400, so that the labor intensity of the tester is greatly reduced, and the detection speed is also accelerated.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. An air tightness detection choke plug of an intercooler is characterized by comprising a handle flange (1), a detection gas channel (2), a sealing rubber plug (3), a ring clamp (4) and a locking nut (5);
the handle flange (1) is of a hollow structure, the detection gas channel (2) is arranged inside the handle flange (1) along the axial direction of the handle flange (1), and a first pneumatic connector (101) connected with a gas inlet of the detection gas channel (2) is arranged on the handle flange (1);
the sealing rubber plug (3) is connected to the bottom of the handle flange (1), the detection gas channel (2) penetrates through the sealing rubber plug (3), the upper end of the sealing rubber plug (3) and the handle flange (1) are clamped and sealed through a ring clamp (4), and the lower end of the sealing rubber plug (3) and the detection gas channel (2) are clamped and sealed through a locking nut (5);
a gap between the inner wall of the sealing rubber plug (3) and the detection gas channel (2) forms a plugging gas channel, a gas inlet and a gas outlet are formed in the plugging gas channel, and the gas inlet and the gas outlet are connected with a second pneumatic connector (102).
2. The airtight detection bulkhead of an intercooler according to claim 1, wherein the handle flange (1) comprises a cylindrical column and a circular bottom, the radius of the bottom of the handle flange (1) matches with the radius of the sealing rubber plug (3), and the upper end side wall of the sealing rubber plug (3) is attached to the bottom of the handle flange (1) and clamped and sealed by the ring clamp (4).
3. The airtight detection bulkhead of an intercooler according to claim 2, wherein a gap existing between the inner wall of the cylinder of the handle flange (1) and the detection gas channel (2) and a gap existing between the inner wall of the sealing rubber plug (3) and the detection gas channel (2) are communicated to form a blocking gas channel, and an air inlet and an air outlet of the blocking gas channel are arranged on the cylinder of the handle flange (1).
4. The airtight detection bulkhead of an intercooler as recited in claim 2, wherein the bottom of the handle flange (1) is matched with the movable flange (6), the upper end side wall of the sealing rubber bulkhead (3) is clamped between the bottom of the handle flange (1) and the movable flange (6), and the ring clamp (4) locks the handle flange (1) -the sealing rubber bulkhead (3) -the movable flange (6).
5. The airtight detection bulkhead of an intercooler according to claim 1, wherein the sidewall of the detection gas channel (2) is provided with an annular projection (201), and the lower sidewall of the sealing rubber plug (3) is clamped and sealed on the annular projection (201) by a locking nut (5).
6. The airtight detection bulkhead of an intercooler according to claim 5, wherein a first waterproof gasket (7) is disposed between the annular protrusion (201) and the sealing rubber plug (3), and a second waterproof gasket (8) is disposed between the sealing rubber plug (3) and the lock nut (5).
7. The airtight detection bulkhead of an intercooler as recited in claim 6, wherein the first waterproof gasket (7) and the second waterproof gasket (8) are shaped gaskets, and 2 groove barbs are arranged on the plane of the shaped gaskets.
8. An air tightness detection device of an intercooler, characterized in that based on the air tightness detection bulkhead of any one of claims 1-7, the air tightness detection bulkhead comprises an air tightness detection bulkhead (100A), a blocking expansion plug (100B), an air tightness detector (200), an air valve control box (300) and a controller (400);
the plugging expansion plug (100B) cannot be filled with detection gas and comprises a sealing rubber plug (3), and the sealing rubber plug (3) of the plugging expansion plug (100B) expands and deforms after being inflated;
the sealing rubber plug (3) of the airtight detection bulkhead (100A) is inserted into an air inlet pipe orifice of the intercooler (500), and the sealing rubber plug (3) of the plugging expansion plug (100B) is inserted into an air outlet pipe orifice of the intercooler (500);
the air valve control box (300) respectively pressurizes and inflates air into the airtight detection bulkhead (100A) and the plugging expansion plug (100B) through the air inlet and outlet expansion pipeline (700), so that the sealing rubber bulkhead (3) of the airtight detection bulkhead (100A) inflates and expands to deform and seal an air inlet pipe orifice of the intercooler (500), and the sealing rubber bulkhead (3) of the plugging expansion plug (100B) inflates and expands to deform and seal an air outlet pipe orifice of the intercooler (500);
the air tightness detector (200) is connected with a first pneumatic connector (101) of the air tightness detection bulkhead (100A) through an air tightness detection pipeline (600), pressurizes and inflates the detection gas channel (2) of the air tightness detection bulkhead (100A), and detects the gas leakage condition;
the controller (400) is in communication connection with the air tightness detector (200) and the air valve control box (300) and is used for controlling the air tightness detector (200) and the air valve control box (300).
9. The airtightness detection apparatus for an intercooler according to claim 8, further comprising a frame (800), wherein the intercooler (500), the airtightness detector (200), the air valve control box (300) and the controller (400) are mounted on the frame (800).
10. The airtightness detection apparatus for an intercooler according to claim 8, further comprising a water tank (900), wherein a size of a water injection space in the water tank (900) is larger than a size of the intercooler (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110754533.9A CN113483953A (en) | 2021-07-05 | 2021-07-05 | Airtight detection choke plug and airtight detection device of intercooler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110754533.9A CN113483953A (en) | 2021-07-05 | 2021-07-05 | Airtight detection choke plug and airtight detection device of intercooler |
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| CN113483953A true CN113483953A (en) | 2021-10-08 |
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| CN202110754533.9A Pending CN113483953A (en) | 2021-07-05 | 2021-07-05 | Airtight detection choke plug and airtight detection device of intercooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166437A (en) * | 2021-12-03 | 2022-03-11 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection device and method suitable for intelligent manufacturing of Internet of things |
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2021
- 2021-07-05 CN CN202110754533.9A patent/CN113483953A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166437A (en) * | 2021-12-03 | 2022-03-11 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection device and method suitable for intelligent manufacturing of Internet of things |
| CN114166437B (en) * | 2021-12-03 | 2023-06-27 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection equipment and method suitable for intelligent manufacturing of Internet of things |
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