Air tightness detection device for ultra-long and ultra-soft stainless steel corrugated pipe
By designing an ultra-long, ultra-flexible stainless steel corrugated tube detection device that includes a fixed plate, an operating box, a sealing assembly and a dual detection function, the problem of insufficient sealing effect is solved and a high-precision and safe detection effect is achieved.
Patent Information
- Application Number
- CN202422584157.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-25
AI Technical Summary
In the prior art, the detection device of ultra-long and ultra-flexible stainless steel corrugated pipe is prone to insufficient sealing effect during the detection process, resulting in inaccurate detection results.
A detection device including a fixed plate, an operating box, a fixed column, a sealing assembly, a protective cover and an observation device is designed. The setting of the sealing assembly ensures the stability and airtightness of the bellows during the inspection process. The air pump and a water pump are used for double inspection, and the detection accuracy and convenience are improved by combining the limit spring and rubber seal strip.
Improves the accuracy and convenience of inspection, reduces maintenance costs, ensures operational safety, and maintains durability in wet or corrosive environments.
Smart Images
Figure CN223205062U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stainless steel bellows, in particular to an air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows. Background Art
[0002] Due to the particularity of its material and structure, extra-long and extra-flexible stainless steel bellows require specific detection devices to adapt to their shape and size. The detection device needs to be flexible and adaptable enough to avoid damage to the bellows during the detection process. The development of modern detection technology, especially the application of high-precision sensors and control systems, provides technical support for airtightness detection devices. The application of these technologies enables the detection device to measure gas leakage more accurately and provide real-time feedback on the detection results. The strict requirements of industry standards and quality control have promoted the development of airtightness detection technology. The detection device needs to comply with relevant industry standards to ensure the reliability and authority of the test results. In industries such as petrochemicals, leakage may lead to serious safety accidents and environmental pollution. Therefore, the airtightness requirements of bellows are extremely strict, and the design of the detection device needs to take into account operational safety and environmental protection.
[0003] In the existing technology, due to the structural characteristics of ultra-long and ultra-flexible bellows, most detection equipment may have insufficient sealing effect during the detection process, and the detection results in this case are relatively inaccurate; therefore, it does not meet the existing needs. In this regard, we propose an ultra-long and ultra-flexible stainless steel bellows airtightness detection device. Utility Model Content
[0004] The utility model provides an air tightness detection device for an extra-long and extra-flexible stainless steel bellows, which has the beneficial effect of improving detection accuracy. It solves the problem of insufficient sealing effect in the detection process of most detection equipment due to the structural characteristics of the extra-long and extra-flexible bellows in the prior art mentioned in the above background technology, and the detection results in this case are relatively inaccurate.
[0005] The utility model provides the following technical solutions: an extra-long and extra-flexible stainless steel bellows air tightness detection device, comprising a fixed plate and an observation device, an operating box is installed in the middle of the fixed plate, an operating slot is provided in the middle of the fixed plate, a fixed column is fixedly installed in the middle of the operating slot, the end of the fixed column is sleeved with a mounting ring through a sealing component, an insertion port is provided in the middle of the operating box, a protective cover is hinged to the side of the operating box through a rotating shaft, a locking component is installed on the side of the protective cover, and an observation device is installed on the side of the protective cover.
[0006] As an optional solution for the air tightness detection device of an extra-long and extra-flexible stainless steel bellows described in the utility model, wherein: a plug hole is opened on the side of the protective cover, a connecting pipe is plugged into the middle of the plug hole, an air pump is installed on the side of the connecting pipe, a water pump is installed on the side of the fixed plate, a water injection pipe is connected to the side of the water pump, the water injection pipe is plugged into the middle of the operating groove, and limiting springs are arranged around the operating groove.
[0007] As an optional solution for the air tightness detection device of an ultra-long and ultra-flexible stainless steel bellows described in the utility model, the sealing assembly includes a fixing ring installed on the side of the mounting ring, a limiting frame is fixedly installed on the side of the fixing ring, and an extrusion groove is opened in the middle of the limiting frame.
[0008] As an optional solution for the air tightness detection device of an ultra-long and ultra-flexible stainless steel bellows described in the utility model, a connecting spring is provided in the middle of the extrusion groove, an extrusion block is sleeved on the side of the connecting spring, and a sealing strip is fixedly connected to the side of the extrusion block.
[0009] As an optional solution for the air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows described in the utility model, the limit frame, the connecting spring, and the extrusion block are all arranged in a ring array, and the sealing strip is set to be made of rubber material.
[0010] As an optional solution for the air tightness detection device of an extra-long and extra-flexible stainless steel bellows described in the utility model, the clamping assembly includes a mounting block fixedly mounted on the side of the protective cover, a pull rod is fixedly mounted on the bottom of the mounting block, a fixing frame is fixedly mounted on the side of the operating box, and a clamping groove is opened in the middle of the fixing frame.
[0011] As an optional solution for the air tightness detection device of an ultra-long and ultra-flexible stainless steel bellows described in the utility model, an elastic rod is installed in the middle of the fixed frame, the side of the elastic rod is fixedly connected to the push plate, and the end of the push plate is fixedly connected to a clamping block.
[0012] As an optional solution for the air tightness detection device of an ultra-long and ultra-flexible stainless steel bellows described in the utility model, the clamping block is engaged with the pull rod, a pressing block is fixedly connected to the bottom of the push plate, and the pressing block is inserted into the middle of the fixed frame.
[0013] The utility model has the following beneficial effects:
[0014] 1. The extra-long and extra-flexible stainless steel bellows air tightness detection device ensures the stability of the bellows during the detection process through the setting of the operation box and the operation slot in the middle of the fixed plate, and the use of the fixed column and the sealing assembly, thereby reducing the measurement error caused by vibration or movement. The setting of the sealing assembly, including the fixing ring, the limit frame, the extrusion slot, the connecting spring, the extrusion block and the sealing strip, can effectively ensure the air tightness at the interface of the bellows and improve the accuracy of the detection. The setting of the annular array of structures such as the limit frame, the connecting spring, the extrusion block, and the rubber sealing strip facilitates quick replacement and maintenance, thereby reducing the maintenance cost. The setting of the protective cover and the clamping assembly, including the mounting block, the pull rod, the fixed frame, the elastic rod, the push plate and the clamping block, provides a safe operating environment and prevents accidental injuries during operation.
[0015] 2. The extra-long and extra-flexible stainless steel bellows air tightness detection device, through the setting of connecting pipes, air pumps and water pumps, enables the device to perform dual detection of air tightness and water tightness, increasing the functionality and applicability of the device. The limit springs and water pipe plug-in settings around the operating slot make the installation and adjustment of the device more convenient and improve work efficiency. The use of stainless steel and corrosion-resistant rubber sealing strips ensures the durability of the device in humid or corrosive environments. The setting of elastic rods and push plates, as well as the snap connection between the block and the pull rod, make the operation more labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0017] Figure 2 This is a schematic diagram of the operating box structure of the present utility model.
[0018] Figure 3 This is a schematic diagram of the partial structure of the operating box of the present utility model.
[0019] Figure 4 This is a schematic diagram of the mounting ring structure of the present utility model.
[0020] Figure 5 This is a schematic diagram of the sealing component structure of the present utility model.
[0021] Figure 6 This is a schematic diagram of the structure of the locking assembly of the present invention.
[0022] In the figure: 110, fixed plate; 120, operating box; 130, rotating shaft; 140, air pump; 150, connecting pipe; 160, observation equipment; 170, plug interface; 180, plug hole; 181, protective cover; 190, clamping assembly; 200, operating groove; 210, limiting spring; 220, water injection pipe; 230, water pump; 240, fixing column; 250, mounting ring; 260, sealing strip; 270, fixing ring; 280, limiting frame; 290, extrusion groove; 300, connecting spring; 310, extrusion block; 320, mounting block; 330, pull rod; 340, fixing frame; 350, clamping groove; 360, elastic rod; 370, pressing block; 380, push plate; 390, clamping block; 400, sealing assembly. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] Example 1: This example aims to solve the problem in the prior art that due to the structural characteristics of the ultra-long and ultra-flexible bellows, most detection equipment may have insufficient sealing effect during the detection process, and the detection results in this case are relatively inaccurate. Please refer to Figures 1-6 A super-long and super-flexible stainless steel bellows air tightness detection device includes a fixed plate 110 and an observation device 160. An operation box 120 is installed in the middle of the fixed plate 110, an operation slot 200 is opened in the middle of the fixed plate 110, a fixed column 240 is fixedly installed in the middle of the operation slot 200, and the end of the fixed column 240 is sleeved with a mounting ring 250 through a sealing assembly 400. An insertion port 170 is opened in the middle of the operation box 120, and a protective cover 181 is hinged to the side of the operation box 120 through a rotating shaft 130. A locking assembly 190 is installed on the side of the protective cover 181, and an observation device 160 is installed on the side of the protective cover 181.
[0025] A plug hole 180 is opened on the side of the protective cover 181, and a connecting pipe 150 is inserted in the middle of the plug hole 180. An air pump 140 is installed on the side of the connecting pipe 150. A water pump 230 is installed on the side of the fixed plate 110. A water injection pipe 220 is connected to the side of the water pump 230. The water injection pipe 220 is inserted in the middle of the operating groove 200. Limiting springs 210 are arranged around the operating groove 200. The sealing assembly 400 includes a fixing ring 270 installed on the side of the mounting ring 250. A limiting frame 280 is fixedly installed on the side of the fixing ring 270, and an extrusion groove 290 is opened in the middle of the limiting frame 280.
[0026] When it is necessary to use the cover equipment for inspection, during the inspection process, first ensure the sealed connection between the bellows and the device through the sealing component 400, then start the air pump 140, inject compressed air into the bellows, observe the pressure changes or use the pressure sensor to detect whether there is a leak. If a water tightness test is required, use the water pump 230 to inject water and check whether there is water leakage. After the test is completed, the protective cover 181 can be opened through the snap assembly 190, and the bellows can be taken out for the next round of inspection. The device can effectively perform air tightness and water tightness tests on extra-long and extra-flexible stainless steel bellows to ensure that the quality and performance of the bellows meet the standard requirements.
[0027] In this embodiment: by setting the operating box 120 and the operating groove 200 in the middle of the fixed plate 110, and using the fixed column 240 and the sealing assembly 400, the stability of the bellows during the detection process is ensured, and the measurement error caused by vibration or movement is reduced. By setting the sealing assembly 400, including the fixing ring 270, the limit frame 280, the extrusion groove 290, the connecting spring 300, the extrusion block 310 and the sealing strip 260, the airtightness at the interface of the bellows can be effectively ensured, and the accuracy of the detection is improved. By setting the annular array of structures such as the limit frame 280, the connecting spring 300, the extrusion block 310, and the rubber sealing strip 260, quick replacement and maintenance are facilitated, and the maintenance cost is reduced. By setting the protective cover 181 and the locking assembly 190, including the mounting block 320, the pull rod 330, the fixed frame 340, the elastic rod 360, the push plate 380 and the clamping block 390, a safe operation environment is provided to prevent accidental injuries during operation.
[0028] Example 2: This example aims to facilitate the solution of the problem of convenient maintenance after the test is completed. This example is an improvement made on the basis of Example 1. For details, please refer to Figures 1-6 A connecting spring 300 is provided in the middle of the extrusion groove 290 , an extrusion block 310 is sleeved on the side of the connecting spring 300 , and a sealing strip 260 is fixedly connected to the side of the extrusion block 310 .
[0029] The limit frame 280, the connecting spring 300, and the extrusion block 310 are all arranged in a circular array, the sealing strip 260 is set to rubber material, the snap-fit assembly 190 includes a mounting block 320 fixedly mounted on the side of the protective cover 181, a pull rod 330 is fixedly mounted on the bottom of the mounting block 320, a fixed frame 340 is fixedly mounted on the side of the operating box 120, and a snap-fit groove 350 is opened in the middle of the fixed frame 340.
[0030] An elastic rod 360 is installed in the middle of the fixed frame 340, and the side of the elastic rod 360 is fixedly connected to the push plate 380. The end of the push plate 380 is fixedly connected to a clamping block 390, which is engaged with the pull rod 330. A pressing block 370 is fixedly connected to the bottom of the push plate 380, and the pressing block 370 is inserted in the middle of the fixed frame 340.
[0031] In this embodiment: through the arrangement of the connecting pipe 150, the air pump 140 and the water pump 230, the device can perform dual detection of air tightness and water tightness, thereby increasing the functionality and scope of application of the device, and the limit springs 210 and the plug-in arrangement of the water pipe around the operating groove 200 make the installation and adjustment of the device more convenient, thereby improving work efficiency. The use of stainless steel and corrosion-resistant rubber sealing strips 260 ensures the durability of the device in humid or corrosive environments. Through the arrangement of the elastic rod 360 and the push plate 380, and the snap connection between the block 390 and the pull rod 330, the operation is made more labor-saving.
[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. An air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows, comprising a fixing plate (110) and an observation device (160), characterized in that: An operation box (120) is installed in the middle of the fixed plate (110), an operation slot (200) is provided in the middle of the fixed plate (110), a fixed column (240) is fixedly installed in the middle of the operation slot (200), an end of the fixed column (240) is sleeved with a mounting ring (250) through a sealing assembly (400), a plug interface (170) is provided in the middle of the operation box (120), a protective cover (181) is hinged to the side of the operation box (120) through a rotating shaft (130), a locking assembly (190) is installed on the side of the protective cover (181), and an observation device (160) is installed on the side of the protective cover (181).
2. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 1, characterized in that: The protective cover (181) is provided with a plug hole (180) on the side, a connecting pipe (150) is plugged into the middle of the plug hole (180), an air pump (140) is installed on the side of the connecting pipe (150), a water pump (230) is installed on the side of the fixing plate (110), a water injection pipe (220) is connected to the side of the water pump (230), the water injection pipe (220) is plugged into the middle of the operating groove (200), and limiting springs (210) are provided around the operating groove (200).
3. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 2, characterized in that: The sealing assembly (400) comprises a fixing ring (270) mounted on the side of the mounting ring (250), a limiting frame (280) is fixedly mounted on the side of the fixing ring (270), and an extrusion groove (290) is provided in the middle of the limiting frame (280).
4. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 3, characterized in that: A connecting spring (300) is provided in the middle of the extrusion groove (290), an extrusion block (310) is sleeved on the side of the connecting spring (300), and a sealing strip (260) is fixedly connected to the side of the extrusion block (310).
5. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 4, characterized in that: The limiting frame (280), the connecting spring (300), and the extrusion block (310) are all arranged in a ring array, and the sealing strip (260) is made of rubber.
6. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 1, characterized in that: The snap-fit assembly (190) comprises a mounting block (320) fixedly mounted on the side of the protective cover (181), a pull rod (330) fixedly mounted on the bottom of the mounting block (320), a fixing frame (340) fixedly mounted on the side of the operating box (120), and a snap-fit groove (350) formed in the middle of the fixing frame (340).
7. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 6, characterized in that: An elastic rod (360) is installed in the middle of the fixed frame (340), the side of the elastic rod (360) is fixedly connected to the push plate (380), and the end of the push plate (380) is fixedly connected to the clamping block (390).
8. The air tightness detection device for an ultra-long and ultra-flexible stainless steel bellows according to claim 7, characterized in that: The clamping block (390) is engaged with the pull rod (330), and a pressing block (370) is fixedly connected to the bottom of the push plate (380), and the pressing block (370) is inserted into the middle of the fixed frame (340).