CN115683464A - Equipment for assisting air tightness inspection and inspection method - Google Patents
Equipment for assisting air tightness inspection and inspection method Download PDFInfo
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- CN115683464A CN115683464A CN202211351414.XA CN202211351414A CN115683464A CN 115683464 A CN115683464 A CN 115683464A CN 202211351414 A CN202211351414 A CN 202211351414A CN 115683464 A CN115683464 A CN 115683464A
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Abstract
The utility model provides an equip and inspection method for assisting airtight inspection, equip for "three claw type" part, it includes three columnar structure and integration suction nozzle subassembly, the one end fixed connection of three columnar structure is in the same place, and the other end structure is different, and wherein first end structure is: a cuboid platform is arranged at the first end, and two studs are respectively arranged at two ends of the cuboid platform; the two studs are screwed into the threads of the valve nut to drive the valve nut to rotate to disassemble the valve nut; the second end structure is: the stud extends out of the second end along the axial direction of the columnar structure and is used for screwing into the valve blocking thread to drive the valve block to rotate so as to dismantle the valve blocking structure; the third end structure is as follows: and the third end is provided with a cubic column along the axial end of the columnar structure, and the cubic column is matched with the structure of the valve rod and used for rotating the direction of the valve rod. The integrated air inlet nozzle assembly is used for connecting the valve and the air tightness inspection system. According to the invention, the valve is disassembled and the air tightness detection system is connected, so that the air tightness inspection work efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of assembly, and particularly relates to equipment for assisting air tightness inspection and a corresponding inspection method.
Background
The air tightness inspection is an important inspection means for inspecting whether the tightness before and after fuel filling is qualified. A fuel system and a pipeline of a certain product are complex in structure, air tightness inspection operation needs to be carried out by connecting a high-precision air tightness detection system through a valve, the valve is complex in structure, and when the air tightness inspection is carried out, a valve nut and a valve plug on the valve need to be detached, and a valve rod needs to be unscrewed to connect the high-precision air tightness detection system for air tightness inspection operation.
Due to the fact that the disassembled parts are complex in structure, multiple in parts and high in disassembling difficulty, multifunctional technological equipment for assisting in air tightness inspection of a certain product needs to be designed, and the air tightness inspection operation of the certain product is achieved by simply disassembling the valve and flexibly connecting a high-precision air tightness detection system.
Disclosure of Invention
In order to solve the technical problem of conveniently disassembling the valve and performing the airtight inspection function, the invention provides equipment for assisting the airtight inspection and an inspection method. The invention can simply and conveniently disassemble the valve to connect the high-precision air tightness detection system, and simultaneously reduces the labor intensity and improves the working efficiency of air tightness detection.
The invention proposes an apparatus for assisting the air-tightness check, comprising: "three claw type" part and integration suction nozzle subassembly, wherein:
the three-claw-shaped part comprises three columnar structures, one ends of the three columnar structures are fixedly connected together, and the other ends of the three columnar structures form a first end structure, a second end structure and a third end structure respectively;
the first end structure is as follows: the device comprises a rectangular platform arranged at the end part of a columnar structure, wherein two ends of the rectangular platform are respectively provided with a stud, and the axis of each stud is parallel to the axis of the columnar structure where the stud is arranged; the two studs are screwed into the threads of the valve nut to drive the valve nut to rotate so as to disassemble the valve nut;
the second end structure is: the stud is arranged along the axial direction of the columnar structure, the axis of the bolt is overlapped with the axis of the columnar structure where the bolt is located, and the stud is matched with the valve blocking thread and is used for screwing into the valve blocking thread to drive the valve block to rotate so as to remove the valve block;
the third end structure is as follows: the end part of the columnar structure is provided with a cubic column, and the cubic column is used for rotating the direction of the valve rod in cooperation with the structure of the valve rod;
the integrated air inlet nozzle assembly is used for connecting the valve and the air tightness inspection system.
Furthermore, the integrated air inlet nozzle assembly comprises an air inlet nozzle body, an air tightness checking connecting end and a valve connecting end; the central axial of integration suction nozzle subassembly has the perforating hole, suction nozzle body bottom is the round platform, and the round platform top has the cylinder that stretches out, and the cylinder top has and is used for the airtight inspection link that links to each other with airtight detecting system, the round platform bottom has the valve link that is used for linking to each other with the valve.
Furthermore, the structure of the valve connecting end is matched with the valve structure disassembled from the first end structure of the three-claw type part.
Furthermore, the integrated air inlet nozzle assembly further comprises a sealing ring, and the sealing ring is sleeved between the bottom of the circular truncated cone and the connecting end of the valve.
Further, the air inlet nozzle body is connected with an air tightness detection system through an air tightness detection connecting end, and the valve connecting end is connected with the valve.
Further, the stud on the first end structure is an M5 stud.
Further, M8.5 threads are axially formed in the stud on the second end structure.
The invention also provides a method for checking air tightness, which comprises the following steps: step 1, screwing the studs at two ends of the cuboid platform with the first end structure into the threads of the valve nut, and driving the valve nut to rotate so as to disassemble the valve nut; step 2, screwing the stud of the second end structure into the valve blocking thread to drive the valve block to rotate so as to remove the valve blocking structure; step 3, utilizing the structure of the cubic column with the third end structure to be matched with the structure of the valve rod so as to rotate the direction of the valve rod; and 4, connecting the valve and the air tightness checking system by using the integrated air inlet nozzle assembly to check the air tightness.
According to the invention, through function integration, the portability of operation, the simplicity of operation and the high efficiency of air tightness detection are considered, a three-claw-shaped part and two simple and portable parts of an integrated air inlet nozzle assembly are designed, the valve is simply disassembled and connected with a high-precision air tightness detection system, so that the valve is more convenient and labor-saving to disassemble, the production cost and the labor intensity are reduced, the air tightness flow is increased, and the air tightness detection work efficiency is higher. At present, the invention is widely applied to a plurality of series of products in an internal assembly workshop.
Drawings
FIGS. 1 to 3 are schematic views of the overall structure of the "three-claw type" part of the present invention;
fig. 4 to 6 are schematic views of the overall structure of the integrated intake nozzle assembly of the present invention.
Detailed Description
The invention provides equipment and a detection method for assisting air tightness detection, wherein the equipment comprises the following components: a "three-jaw" part and an integrated intake nozzle assembly 9, wherein,
as shown in fig. 1 to 3, the three-claw-shaped part includes three columnar structures, one ends of the three columns are fixedly connected together, and the other ends of the three columns are respectively structured as follows: a first end structure 2, a second end structure 3, a third end structure 4,
the first end structure 2 is: a cuboid platform is arranged at the end part of the first end, two studs are respectively arranged at two ends of the cuboid platform, and the axis of each stud is parallel to the axis of the first end structure; the two studs are used for screwing into the threads of the valve nut to drive the valve nut to rotate so as to disassemble the valve nut;
the second end structure 3 is: the second end is provided with a stud along the axial direction of the column, the axis of the stud is overlapped with the axis of the second end structure, the stud is matched with the valve blocking thread, and the stud is used for being screwed into the valve blocking thread to drive the valve block to rotate so as to dismantle the valve blocking structure;
the third end structure 4 is: and processing the column into a cubic column at the third end along the axial direction of the column, wherein the cubic column structure is used for rotating the direction of the valve rod in cooperation with the structure of the valve rod.
An integrated inlet nozzle assembly 9 is used to connect the valve to the air tight inspection system. As shown in fig. 4 to 6, the integrated air inlet nozzle assembly 9 includes an air inlet nozzle body 6, an air tightness detecting system connecting end 7, a valve connecting end 8, and a sealing ring 5.
The central axial of integration suction nozzle subassembly 9 has the perforating hole, and the bottom of suction nozzle body 6 is the round platform type, and round platform top center has the cylindrical structure that stretches out, and cylindrical top has and is used for the airtight detection link 7 that links to each other with airtight detection system, and the round platform bottom of suction nozzle body 6 has and is used for the valve link 8 that links to each other with the valve. The sealing ring 5 is sleeved between the circular truncated cone bottom of the air inlet nozzle assembly body 6 and the valve connecting end 8, and the sealing effect is enhanced in the airtight inspection process.
The valve connection end 8 matches the valve structure removed from the first end structure 2 of the "three-jaw" part to ensure proper connection with the valve. For example, to mate with a valve nut or valve plug and valve stem connection interface to enable the end of the nozzle assembly body 6 to be screwed into the valve stem.
The air inlet nozzle body 6 can be connected with the air tightness detection system in place through the air tightness detection system connecting end 7, and the functions of the switching valve and the air tightness detection system are achieved.
The invention also proposes a method for the airtightness inspection using the apparatus of claim 1, comprising:
and 4, connecting the valve and the air tightness checking system by using the integrated air inlet nozzle assembly 9 to check the air tightness.
Examples
The structural part of the valve needing to be disassembled in the airtight inspection process comprises a valve nut and a valve plug, and a valve rod in the valve controls the nitrogen to enter and exit in the airtight process. As shown in fig. 1, the first, second and third end structures 2, 3 and 4 of the "three-claw" part 1 are respectively used for disassembling the valve nut, blocking the valve and unscrewing the valve rod. In a bearable torque range, the first end structure 2 adopts two M5 studs of an end platform to screw in the threads of the valve nut to drive the valve nut so as to disassemble the valve nut; the second end structure 3 is screwed into the valve blocking thread through the M8.5 thread, and the valve block is directly pulled out of the valve through the screwing torque; the structure of valve pole is matchd to third end structure 4, inserts the valve pole through square structure and realizes loosening the valve pole soon to realize controlling the business turn over of airtight inspection in-process nitrogen gas. After loosening the valve rod through "three claw type" part 1, the valve has possessed the condition of airtight inspection, but there is the unmatched problem of interface and valve structure of ordinary airtight inspection platform, integration suction nozzle subassembly 9 is equivalent to switching valve and airtight inspection platform interface this moment, the structure that can match the valve realizes being connected with the interface of most airtight inspection platforms on the market again, through inserting the valve rod (need to inspect the integrity of sealing washer 5 before the installation) with 9 one end of integration suction nozzle subassembly, the airtight detection system of high accuracy is connected to the other end realizes the airtight inspection to certain product fuel oil system.
The details not described in the present specification are within the common general knowledge of those skilled in the art.
Claims (8)
1. An apparatus for assisting in hermetic inspection, comprising: a "three-jaw" part and an integrated intake nozzle assembly (9), wherein:
the three-claw-shaped part comprises three columnar structures, one ends of the three columnar structures are fixedly connected together, and the other ends of the three columnar structures form a first end structure (2), a second end structure (3) and a third end structure (4) respectively;
the first end structure (2) is: the device comprises a rectangular platform arranged at the end part of a columnar structure, wherein two ends of the rectangular platform are respectively provided with a stud, and the axis of the stud is parallel to the axis of the columnar structure where the stud is arranged; the two studs are screwed into the threads of the valve nut to drive the valve nut to rotate so as to disassemble the valve nut;
the second end structure (3) is: the stud is arranged along the axial direction of the columnar structure, the axis of the bolt is overlapped with the axis of the columnar structure where the bolt is located, and the stud is matched with the valve blocking thread and is used for screwing into the valve blocking thread to drive the valve block to rotate so as to remove the valve block;
the third end structure (4) is as follows: the end part of the columnar structure is provided with a cubic column, and the cubic column is used for rotating the direction of the valve rod in cooperation with the structure of the valve rod;
the integrated air inlet nozzle assembly (9) is used for connecting a valve and an air tightness checking system.
2. The device according to claim 1, characterized in that said integrated nozzle assembly (9) comprises a nozzle body (6), an air-tightness checking connection end (7), a shutter connection end (8); the central axial of integration suction nozzle subassembly (9) has the perforating hole, suction nozzle body (6) bottom is the round platform, and the round platform top has the cylinder that stretches out, and the cylinder top has and is used for airtight inspection link (7) that link to each other with airtight detecting system, the round platform bottom has and is used for valve link (8) that link to each other with the valve.
3. A device according to claim 2, characterised in that said shutter connection end (8) is configured to match the shutter configuration removed from the first end configuration (2) of the "three-jaw" element.
4. The device according to claim 2, wherein the integrated air inlet nozzle assembly (9) further comprises a sealing ring (5), and the sealing ring (5) is sleeved between the bottom of the circular truncated cone and the valve connecting end (8).
5. The device according to claim 2, characterized in that the nozzle body (6) is connected to an air-tightness detection system via an air-tightness check connection (7) and the flap connection (8) is connected to a flap.
6. The device according to claim 1, characterized in that the studs on the first end structure (2) are M5 studs.
7. Device according to claim 1, characterized in that the stud on the second end construction (3) is axially threaded M8.5.
8. A method for performing a hermetic seal inspection using the apparatus of claim 1, comprising:
step 1, screwing studs at two ends of a cuboid platform of a first end structure (2) into valve nut threads to drive a valve nut to rotate so as to disassemble the valve nut;
step 2, screwing the stud of the second end structure (3) into the valve plug thread to drive the valve plug to rotate so as to dismantle the valve plug structure;
step 3, utilizing the structure of the cubic column of the third end structure (4) to be matched with the structure of the valve rod so as to rotate the direction of the valve rod;
and 4, connecting a valve and an air tightness checking system by using the integrated air inlet nozzle assembly (9) to perform air tightness checking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211351414.XA CN115683464A (en) | 2022-10-31 | 2022-10-31 | Equipment for assisting air tightness inspection and inspection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211351414.XA CN115683464A (en) | 2022-10-31 | 2022-10-31 | Equipment for assisting air tightness inspection and inspection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115683464A true CN115683464A (en) | 2023-02-03 |
Family
ID=85046642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211351414.XA Pending CN115683464A (en) | 2022-10-31 | 2022-10-31 | Equipment for assisting air tightness inspection and inspection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115683464A (en) |
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2022
- 2022-10-31 CN CN202211351414.XA patent/CN115683464A/en active Pending
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