A pipe connecting flange and system thereof

By designing the installation mechanism and detection device for pipe connection flanges, rapid and stable connection of flanges and intuitive monitoring of their tightness are achieved, solving the problems of complex installation and unreliable fastening in existing technologies, and improving installation efficiency and equipment reliability.

CN116557657BActive Publication Date: 2026-04-17SICHUAN HUANENG KANGDING HYDROPOWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN HUANENG KANGDING HYDROPOWER CO LTD
Filing Date
2023-03-30
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing technologies for flange connections involve complex installation and numerous steps, and the tightness cannot be directly and accurately assessed, leading to inconvenience during installation and a high risk of equipment leakage.

Method used

A pipe connection flange was designed, which includes an installation mechanism, a connection mechanism, an unlocking mechanism, and a detection device. It can be quickly installed through a positioning rod and a threaded connection, and the tightness can be displayed in real time through a sealing mechanism and a monitoring mechanism.

Benefits of technology

The installation steps for flange connections have been simplified, installation speed and stability have been improved, labor intensity has been reduced, and the tightening status has been indicated by indicator lights, thereby improving the practicality and reliability of the equipment.

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Abstract

This invention relates to the field of flange technology, specifically a pipe connection flange and its system. The flange includes an installation mechanism comprising a left flange and a right flange adapted to be installed with the left flange. One end of both the left and right flanges has an installation groove, and the outer sides of both flanges have positioning holes and threaded holes. In actual installation, only the two flanges need to be aligned. Then, using a tool to turn the bolts, multiple positioning rods are inserted into the positioning holes to initially fix the two flanges. Simultaneously, as the positioning rods are inserted, the threads on the outer sides of the multiple cylindrical bolts gradually connect with the threaded holes of the two flanges until tightened, thus completing the connection of the two flanges. This connection method only requires alignment and turning a single bolt to complete the connection of the two flanges, simplifying the operation and increasing the installation speed.
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Description

Technical Field

[0001] This invention relates to the field of flange technology, and in particular to a pipe connection flange and its system. Background Technology

[0002] Pipelines are a very common piece of equipment in hydropower stations. To increase the pipeline's transport distance, flanges are used to connect two sets of pipelines, and flange gaskets are commonly used sealing components. Gaskets are installed inside the two sets of flanges and then fixed with bolts to ensure the sealing of the connected pipelines. However, with the long-term operation of oil, water, and gas pipeline flange joints, leaks often occur at the flanges due to gasket damage, loose flange connections, etc. This not only affects the environment but can also damage electrical equipment if it leaks into it.

[0003] Currently, when installing two sets of large flanges, the common practice is to initially position them using diagonal bolts, or to first insert positioning rods for initial positioning before securing them with the remaining bolts. However, this method requires tightening multiple bolts during actual installation, which is slow, involves numerous steps, and is inconvenient, increasing the workload of workers. Furthermore, flange leakage detection currently relies mainly on routine inspections, data analysis from supervisory control systems (SCADA), and equipment maintenance. These methods have drawbacks: blind spots during on-site inspections, SCADA inaccurate assessments when data changes are small, and long maintenance cycles for large equipment. Additionally, on-site bolt tightening relies on operator experience to determine proper tightening; loose bolts cause leakage, while overtight bolts can damage rubber gaskets over time, making it difficult to directly and accurately assess the flange tightness. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problems in the above or existing technologies, which require tightening multiple bolts, resulting in slow installation, numerous operation steps, and inconvenience, this invention is proposed.

[0006] Therefore, the object of the present invention is to provide a pipe connection flange.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a pipe connection flange, comprising,

[0008] The mounting mechanism includes a left flange and a right flange adapted to be installed with the left flange;

[0009] The left flange and the right flange are provided with mounting grooves at one end, and the left flange and the right flange are provided with positioning holes and threaded holes on their outer sides.

[0010] The connecting mechanism includes a mounting ring fixedly connected to the outside of the left flange, an output component adapted to be installed inside the mounting ring, and a positioning component adapted to be installed with the output component, wherein a fastening component is adapted to be installed on the outside of the output component.

[0011] The mounting ring has a guide component inside;

[0012] The unlocking mechanism includes a slide rod slidably connected to one end of the mounting ring, a slide ring fixedly connected to one end of the slide rod, and a mounting block fixedly connected to the other end of the slide rod. A limit component and a reset component are adapted to be installed on the outer side of the mounting block.

[0013] The limiting component includes a guide rod slidably connected to the mounting block, a ratchet block fixedly connected to one end of the guide rod, and a first spring sleeved on the outside of the guide rod.

[0014] As a preferred embodiment of the pipe connection flange of the present invention, the output component includes a connecting rod rotatably connected inside the mounting ring, a large gear fixedly connected to the outside of the connecting rod, and a driving gear fixedly connected to the top of the large gear.

[0015] The bottom end of the connecting rod is fixedly connected to a ratchet, and one end of one set of the drive gears is fixedly connected to a bolt. The inner wall of the mounting ring is rotatably connected to a toothed ring.

[0016] As a preferred embodiment of the pipe connection flange of the present invention, the positioning component includes a lead screw rotatably connected inside the mounting ring, a small gear fixedly connected to the outside of the lead screw, and a positioning rod threadedly connected to the lead screw;

[0017] The lead screw has an annular groove on its outer side.

[0018] As a preferred embodiment of the pipe connection flange of the present invention, the fastening component includes a rotating rod rotatably connected inside the mounting ring, a transmission gear fixedly connected to the outside of the rotating rod, and a limiting strip fixedly connected to the outside of the rotating rod.

[0019] A fixing component is fitted to the outer side of the rotating rod.

[0020] As a preferred embodiment of the pipe connection flange of the present invention, the fixing component includes a cylinder slidably connected to one end of the rotating rod, a guide groove formed on the outer side of the cylinder, and threads provided on the outer side of the cylinder.

[0021] As a preferred embodiment of the pipe connection flange of the present invention, the guide component includes a connecting block fixedly connected to the inner wall of the mounting ring, a connecting plate fixedly connected to one end of the connecting block, and a guide block fixedly connected to one end of the connecting plate.

[0022] The guide block is fitted and installed in conjunction with the guide groove.

[0023] As a preferred embodiment of the pipe connection flange of the present invention, the reset component includes an outer rod fixedly connected inside the mounting ring, an inner rod slidably connected to the top end of the outer rod, and a fixing block fixedly connected to the top end of the inner rod.

[0024] The fixing block has a fixing rod fixedly connected to its bottom end, the other end of the fixing rod is fixedly connected to the mounting block, and a second spring is sleeved on the outer side of the outer rod.

[0025] The advantages of the pipe connection flange of the present invention are as follows: In the actual installation process, it is only necessary to align the two sets of flanges, and then use a tool to turn the bolts, which will drive multiple sets of positioning rods to insert into the positioning holes first, and initially fix the two sets of flanges. While the multiple sets of positioning rods are inserted into the positioning holes, the threads on the outer side of the multiple sets of cylinders will gradually connect with the threaded holes of the two sets of flanges until they are tightened, thereby completing the connection of the two sets of flanges. With this connection method, it is only necessary to align and turn a single bolt to complete the connection of the two sets of flanges. The operation steps are simple, which improves the installation speed of the two sets of flanges. Moreover, when connecting, the positioning rods will first pre-position the two sets of flanges, ensuring the stability of the two sets of flanges when threaded connection is performed, thereby greatly improving the usability of the equipment and reducing the workload of the workers.

[0026] In actual use, there is still a problem that the degree of flange tightening cannot be intuitively and accurately understood.

[0027] Therefore, another object of the present invention is to provide a system for connecting flanges to pipes.

[0028] To solve the above-mentioned technical problems, the present invention also provides the following technical solution: a system for pipe connection flanges, comprising the aforementioned pipe connection flange, and...

[0029] The detection device includes a male clamp block fixedly connected to the outside of the right flange, a limiting block fixedly connected to the outside of the right flange, and a monitoring mechanism disposed on the outside of the right flange.

[0030] The mounting groove is equipped with a sealing mechanism.

[0031] As a preferred embodiment of the pipe connection flange system of the present invention, the monitoring mechanism includes a left retaining ring and a right retaining ring disposed on the outside of the right flange, a first circular hole and a second circular hole opened on the outside of the left retaining ring and the right retaining ring, and a signal light adapted to be installed on the outside of the left retaining ring and the right retaining ring;

[0032] The left retaining ring has a first female retaining block at one end, and the right retaining ring has a second female retaining block at one end. The first female retaining block, the second female retaining block, and the male retaining block are engaged with each other.

[0033] As a preferred embodiment of the pipe connection flange system of the present invention, the sealing mechanism includes a rubber sealing ring disposed inside the mounting groove, and a resistive thin-film pressure sensor is disposed inside the rubber sealing ring.

[0034] The resistive thin-film pressure sensor, the indicator light, and the host computer are electrically connected, and the number of the resistive thin-film pressure sensor, the indicator light, and the threaded holes are correspondingly arranged.

[0035] The beneficial effects of the pipe connection flange system of the present invention are as follows: through the design of the sealing mechanism and the monitoring mechanism working together, the tightness of the connection between the two sets of flanges is displayed intuitively in the form of signal lights, so that the on-site inspection personnel and the host computer monitoring personnel can have an accurate and intuitive understanding of the flange connection status, which greatly improves the practicality of the equipment and reduces the labor intensity of the staff in the later on-site inspection. Attached Figure Description

[0036] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0037] Figure 1 This is a schematic diagram of the overall invention.

[0038] Figure 2 This is a schematic diagram of the entire invention from another perspective.

[0039] Figure 3 This is a partial schematic diagram of the overall invention.

[0040] Figure 4 This is a schematic diagram of the interior of the mounting ring of the present invention.

[0041] Figure 5 This is a front view of the inside of the mounting ring of the present invention.

[0042] Figure 6 This is a schematic diagram of the fastening component of the present invention.

[0043] Figure 7 This is a schematic diagram of the guide component of the present invention.

[0044] Figure 8 This is a schematic diagram of the inside of the positioning rod of the present invention.

[0045] Figure 9 This is a schematic diagram of the reset component of the present invention.

[0046] Figure 10 This is a partial schematic diagram of the reset component of the present invention.

[0047] Figure 11 This is an enlarged schematic diagram of part A of the present invention.

[0048] Figure 12 This is a schematic diagram of the monitoring mechanism of the present invention.

[0049] Figure 13 This is a schematic diagram of the rubber sealing ring of the present invention.

[0050] Figure 14 This is a schematic diagram of another embodiment of the lead screw of the present invention. Detailed Implementation

[0051] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0052] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0053] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0054] Example 1

[0055] Reference Figures 1-8 This is the first embodiment of the present invention, which provides a pipe connection flange, comprising,

[0056] The mounting mechanism 100 includes a left flange 101 and a right flange 102 adapted to be installed with the left flange 101.

[0057] Among them, the left flange 101 and the right flange 102 are provided with a mounting groove 101a at one end, and the left flange 101 and the right flange 102 are provided with a positioning hole 101b and a threaded hole 101c on the outer side.

[0058] The connecting mechanism 200 includes a mounting ring 201 fixedly connected to the outside of the left flange 101, an output component 202 adapted to be installed inside the mounting ring 201, and a positioning component 203 adapted to be installed with the output component 202. A fastening component 204 is adapted to be installed on the outside of the output component 202.

[0059] The mounting ring 201 has a guide component 205 inside;

[0060] The unlocking mechanism 300 includes a slide rod 301 slidably connected to one end of the mounting ring 201, a slip ring 302 fixedly connected to one end of the slide rod 301, and a mounting block 303 fixedly connected to the other end of the slide rod 301. A limit component 304 and a reset component 305 are adapted to be installed on the outer side of the mounting block 303.

[0061] The limiting component 304 includes a guide rod 304a that is slidably connected to the mounting block 303, a ratchet block 304b that is fixedly connected to one end of the guide rod 304a, and a first spring 304c that is sleeved on the outside of the guide rod 304a.

[0062] Specifically, the output component 202 includes a connecting rod 202a rotatably connected inside the mounting ring 201, a large gear 202b fixedly connected to the outside of the connecting rod 202a, and a drive gear 202c fixedly connected to the top of the large gear 202b.

[0063] Among them, the bottom end of the connecting rod 202a is fixedly connected to a ratchet 202d, and one end of one set of drive gears 202c is fixedly connected to a bolt 202e. The inner wall of the mounting ring 201 is rotatably connected to a toothed ring 202f.

[0064] Furthermore, the positioning component 203 includes a lead screw 203a rotatably connected inside the mounting ring 201, a pinion 203b fixedly connected to the outside of the lead screw 203a, and a positioning rod 203c threadedly connected to the lead screw 203a;

[0065] Among them, an annular groove 203a-1 is provided on the outer side of the lead screw 203a.

[0066] Furthermore, the fastening component 204 includes a rotating rod 204a rotatably connected inside the mounting ring 201, a transmission gear 204b fixedly connected to the outside of the rotating rod 204a, and a limiting strip 204c fixedly connected to the outside of the rotating rod 204a.

[0067] Among them, a fixing component 204d is adapted to be installed on the outer side of the rotating rod 204a.

[0068] Preferably, the fixing assembly 204d includes a cylinder 204d-1 slidably connected to one end of the rotating rod 204a, a guide groove 204d-2 formed on the outside of the cylinder 204d-1, and a thread 204d-3 provided on the outside of the cylinder 204d-1.

[0069] It should be noted that the guide component 205 includes a connecting block 205a fixedly connected to the inner wall of the mounting ring 201, a connecting plate 205b fixedly connected to one end of the connecting block 205a, and a guide block 205c fixedly connected to one end of the connecting plate 205b.

[0070] Among them, guide block 205c is adapted to guide groove 204d-2 for installation.

[0071] In use, when connecting two sets of flanges, first align the left flange 101 with the right flange 102. Then, use a tool to turn the bolt 202e. This will cause the connecting rod 202a to rotate, thereby causing the large gear 202b and the driving gear 202c, which are fixedly connected to the outside of the connecting rod 202a, to rotate. When the large gear 202b rotates, it will drive the small gear 203b to rotate. The rotation of the driving gear 202c will drive the transmission gear 204b to rotate. The rotation of the small gear 203b will drive the lead screw 203a to rotate. Because the outer side of the positioning rod 203 is provided with a protrusion, and the inner wall of the positioning hole 101b of the mounting ring 201, left flange 101, and right flange 102 is provided with a groove, the protrusion... The groove and its fit allow the positioning rod 203 to be connected to the mounting ring 201, left flange 101, and right flange 102. This causes the positioning rod 203c, located outside the lead screw 203a, to slide. The design of the annular groove 203a-1 ensures that when the positioning rod 203c slides to the position of the annular groove 203a-1 outside the lead screw 203a, it stops sliding, while the lead screw 203a can still rotate. The annular groove 203a-1 design guarantees that the positioning rod 203c stops after sliding to the designated position, preventing excessive sliding that could cause it to detach from the lead screw 203a and fail to effectively position the left flange 101 and right flange 102.

[0072] The rotation of the transmission gear 204b drives the rotating rod 204a to rotate, which in turn drives the cylinder 204d-1, which is slidably connected to the outside of the rotating rod 204a, to rotate. Since the guide block 205c is located inside the guide groove 204d-2, and the cylinder 204d-1 rotates, it slides downwards as it rotates. Combined with the design of the gear ring 202f, when the large gear 202b rotates, it drives multiple sets of output components 202, positioning components 203, and fastening components 204 to rotate together. Because the large gear 202b drives the small gear 203b to rotate, the lead screw 203a rotates faster, thus causing the positioning rod 203c to slide faster. This allows the positioning rod 203c to first insert into the positioning holes 101b of the left flange 101 and the right flange 102, and under the design of the annular groove 203a-1... The positioning rod 203c can be slid to a designated position and then stop, preventing the positioning rod 203c from falling off. The thread 204d-3 on the outside of the cylinder 204d-1 is then threaded to the threaded hole 101c on the outside of the left flange 101 and the right flange 102.

[0073] In summary, when connecting two sets of flanges, first align the two sets of flanges. Then, use a tool to rotate bolt 202e, causing bolt 202e to drive rotating rod 204a to rotate. The rotation of rotating rod 204a will drive lead screw 203a and rotating rod 204a to rotate, causing the positioning rod 203c on the outside of lead screw 203a to slide. This causes the cylinder 204d-1 on the outside of rotating rod 204a to rotate and slide. Furthermore, because the lead screw 203a rotates faster, the sliding speed of positioning rod 203c will be even faster. Quickly, insert the positioning rod 203c into the positioning hole 101b of the left flange 101 and the right flange 102 to initially limit and fix the left flange 101 and the right flange 102. Then, the thread 204d-3 on the outside of the cylinder 204d-1 will gradually connect with the threaded hole 101c on the outside of the left flange 101 and the right flange 102 until it is tightened. While tightening one set, multiple sets of positioning rods 203c will move with the thread 204d-3 on the outside of the cylinder 204d-1, thereby directly completing the installation of the two sets of flanges.

[0074] In actual installation, it is only necessary to align the two sets of flanges, and then use a tool to turn the bolt 202e. This will cause multiple positioning rods 203c to be inserted into the positioning holes 101b, initially fixing the two sets of flanges. While the multiple positioning rods 203c are inserted into the positioning holes 101b, the threads 204d-3 on the outer side of the multiple cylindrical rods 204d-1 will gradually connect with the threaded holes 101c of the two sets of flanges until they are tightened, thus completing the connection of the two sets of flanges. With this connection method, only the individual bolt 202e needs to be turned after alignment to complete the connection of the two sets of flanges. The operation steps are simple, which improves the installation speed of the two sets of flanges. Moreover, during the connection, the positioning rods 203c are used to initially position the two sets of flanges, ensuring the stability of the two sets of flanges when threaded connection is performed, which greatly improves the usability of the equipment and reduces the workload of the workers.

[0075] Example 2

[0076] Reference Figures 1-11 This is the second embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a reset component 305, which includes an outer rod 305a fixedly connected inside the mounting ring 201, an inner rod 305b slidably connected to the top end of the outer rod 305a, and a fixing block 305c fixedly connected to the top end of the inner rod 305b.

[0077] The bottom end of the fixing block 305c is fixedly connected to the fixing rod 305d, the other end of the fixing rod 305d is fixedly connected to the mounting block 303, and the outer side of the outer rod 305a is fitted with a second spring 305e.

[0078] During use, when the connecting rod 202a rotates, it drives the ratchet 202d at the bottom to rotate as well. This causes the ratchet 202d to press against the ratchet block 304b, which, under the pressure, causes the guide rod 304a to slide into the mounting block 303 and compress the first spring 304c, causing the spring 304c to contract. When the compression stops, the ratchet block 304b will return to its original position under the elasticity of the first spring 304c. Due to the characteristics of the ratchet 202d and the ratchet block 304b, only the rotating rod 204a can rotate in the forward direction, thus ensuring the stability of the two flanges after connection.

[0079] When it is necessary to disassemble the two sets of flanges, the slip ring 302 needs to be pulled, so that the slip ring 302 drives the ratchet block 304b installed at one end of the mounting block 303 to slide through the slide rod 301, and the ratchet block 304b separates from the ratchet wheel 202d. At this time, the bolt 202e is reversed using a tool, which will drive the thread 204d-3 and the positioning rod 203c to move in the opposite direction, thereby separating the two sets of flanges. While the mounting block 303 slides, it will drive the fixing block 305c to slide through the fixing rod 305d, and the fixing block 305c will drive the inner rod 305b to slide at the top of the outer rod 305a, and stretch the second spring 305e. When the slip ring 302 is released, the elasticity of the second spring 305e will drive the ratchet block 304b installed at one end of the mounting block 303 to return to its initial state.

[0080] In summary, after connecting the two sets of flanges, the ratchet 202d and the ratchet block 304b work together to prevent the connecting rod 202a from reversing. This not only ensures the stability of the connection but also prevents the bolt 202e from reversing when the operator uses tools to rotate it. This allows the operator to connect the two sets of flanges more quickly and easily, effectively improving the practicality of the equipment. When it is necessary to disassemble the two sets of flanges, simply pull the slip ring 302 to separate the ratchet block 304b from the ratchet 202d, and then use tools to reverse the bolt 202e to complete the disassembly of the two sets of flanges. In actual installation and operation, the operation is simple and quick, effectively improving the practicality of the equipment.

[0081] Example 3

[0082] Reference Figures 1-13 This is the third embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a system for connecting pipe flanges, including pipe flanges, and...

[0083] The detection device 400 includes a male clamping block 401 fixedly connected to the outside of the right flange 102, a limiting block 402 fixedly connected to the outside of the right flange 102, and a monitoring mechanism 403 disposed on the outside of the right flange 102.

[0084] The mounting groove 101a is equipped with a sealing mechanism 404.

[0085] Specifically, the monitoring mechanism 403 includes a left retaining ring 403a and a right retaining ring 403b disposed on the outside of the right flange 102, a first round hole 403c and a second round hole 403d opened on the outside of the left retaining ring 403a and the right retaining ring 403b, and a signal light 403e adapted to be installed on the outside of the left retaining ring 403a and the right retaining ring 403b.

[0086] The left retaining ring 403a has a first female retaining block 403f at one end, and the right retaining ring 403b has a second female retaining block 403g at one end. The first female retaining block 403f and the second female retaining block 403g are engaged with the male retaining block 401.

[0087] Furthermore, the sealing mechanism 404 includes a rubber sealing ring 404a disposed inside the mounting groove 101a, and a resistive thin-film pressure sensor 404b disposed inside the rubber sealing ring 404a.

[0088] The resistive thin-film pressure sensor 404b, the indicator light 403e, and the host computer are electrically connected, and the number of resistive thin-film pressure sensors 404b, indicator lights 403e, and threaded holes 101c are set accordingly.

[0089] In use, the left retaining ring 403a and the right retaining ring 403b are first engaged with the first female retaining block 403f at one end of the left retaining ring 403a and the second female retaining block 403g and the male retaining block 401 at one end of the right retaining ring 403b, so that the left retaining ring 403a and the right retaining ring 403b can be installed on the outside of the right flange 102.

[0090] When the two flanges are connected, pressure is generated in the resistive diaphragm pressure sensor 404b inside the rubber sealing ring 404a, causing the resistive diaphragm pressure sensor 404b to send a signal to the indicator light 403e. When both flanges are securely connected by threads 204d-3, the indicator light 403e will turn green, and there will be no alarm signal from the host computer. If the connection between the two flanges is loose or the gasket is damaged, the pressure on the resistive diaphragm pressure sensor 404b will be less than the specified value, causing the indicator light 403e to turn off, and an alarm signal will appear on the host computer. If the connection between the two flanges is too tight, the pressure on the resistive diaphragm pressure sensor 404b will exceed the alarm value, and the indicator light 403e will turn red, and an alarm signal will appear on the host computer. This allows operators to directly monitor whether the tightness of the connection between the two flanges is appropriate.

[0091] In summary, through the coordinated design of the sealing mechanism 404 and the monitoring mechanism 403, the tightness of the two flange connections is intuitively displayed through the indicator light 403e. This allows on-site inspectors and supervisory personnel to have an accurate and intuitive understanding of the flange connection status, greatly improving the practicality of the equipment and reducing the workload of on-site inspections.

[0092] Example 4

[0093] Reference Figure 14 This is the fourth embodiment of the present invention, and another implementation of the positioning component 203:

[0094] The design of the outer annular groove 203a-1 of the lead screw 203a is cancelled, and a spiral groove of the same size as the spiral groove of the lead screw 203a is set at the end of the lead screw 203a. The direction of the newly opened spiral groove is opposite to that of the spiral groove opened on the outer side of the lead screw 203a, and the spacing of the newly opened spiral groove is smaller than that of the spiral groove opened on the outer side of the lead screw 203a. Moreover, the end of the newly opened spiral groove is connected to the end of the spiral groove opened on the outer side of the lead screw 203a.

[0095] In use, when the lead screw 203a rotates, it drives the positioning rod 203c to slide. When the positioning rod 203c slides quickly to the end of the lead screw 203a, it will match the newly opened spiral groove and slide in the opposite direction. Since the spacing of the newly opened spiral groove is smaller than the spacing of the spiral groove on the outside of the lead screw 203a, the speed of the positioning rod 203c sliding in the opposite direction on the outside of the lead screw 203a is very slow. This not only prevents the positioning rod 203c from falling off the lead screw 203a, but also ensures that the positioning rod 203c has a positioning effect.

[0096] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0097] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0098] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0099] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A pipe connection flange, characterized in that: include, The mounting mechanism (100) includes a left flange (101) and a right flange (102) adapted to be mounted on the left flange (101). The left flange (101) and the right flange (102) are provided with a mounting groove (101a) at one end, and the left flange (101) and the right flange (102) are provided with a positioning hole (101b) and a threaded hole (101c) on the outer side. The connecting mechanism (200) includes a mounting ring (201) fixedly connected to the outside of the left flange (101), an output component (202) adapted to be installed inside the mounting ring (201), and a positioning component (203) adapted to be installed with the output component (202), wherein a fastening component (204) is adapted to be installed on the outside of the output component (202). The mounting ring (201) is provided with a guide component (205) inside. The unlocking mechanism (300) includes a slide rod (301) slidably connected to one end of the mounting ring (201), a slip ring (302) fixedly connected to one end of the slide rod (301), and a mounting block (303) fixedly connected to the other end of the slide rod (301). A limit component (304) and a reset component (305) are adapted to be installed on the outside of the mounting block (303). The limiting component (304) includes a guide rod (304a) slidably connected to the mounting block (303), a ratchet block (304b) fixedly connected to one end of the guide rod (304a), and a first spring (304c) sleeved on the outside of the guide rod (304a). The output component (202) includes a connecting rod (202a) rotatably connected inside the mounting ring (201), a large gear (202b) fixedly connected to the outside of the connecting rod (202a), and a drive gear (202c) fixedly connected to the top of the large gear (202b). The bottom end of the connecting rod (202a) is fixedly connected to a ratchet (202d), and one end of one set of the drive gears (202c) is fixedly connected to a bolt (202e). The inner wall of the mounting ring (201) is rotatably connected to a toothed ring (202f). The positioning component (203) includes a lead screw (203a) rotatably connected inside the mounting ring (201), a small gear (203b) fixedly connected to the outside of the lead screw (203a), and a positioning rod (203c) threadedly connected to the lead screw (203a). The lead screw (203a) has an annular groove (203a-1) on its outer side. The fastening component (204) includes a rotating rod (204a) rotatably connected inside the mounting ring (201), a transmission gear (204b) fixedly connected to the outside of the rotating rod (204a), and a limiting strip (204c) fixedly connected to the outside of the rotating rod (204a). The rotating rod (204a) is fitted with a fixing component (204d) on its outer side. The fixing component (204d) includes a cylinder (204d-1) slidably connected to one end of the rotating rod (204a), a guide groove (204d-2) opened on the outside of the cylinder (204d-1), and a thread (204d-3) provided on the outside of the cylinder (204d-1).

2. The pipe connection flange as described in claim 1, characterized in that: The guide component (205) includes a connecting block (205a) fixedly connected to the inner wall of the mounting ring (201), a connecting plate (205b) fixedly connected to one end of the connecting block (205a), and a guide block (205c) fixedly connected to one end of the connecting plate (205b). The guide block (205c) is adapted to be installed with the guide groove (204d-2).

3. The pipe connection flange as described in claim 1 or 2, characterized in that: The reset component (305) includes an outer rod (305a) fixedly connected inside the mounting ring (201), an inner rod (305b) slidably connected to the top end of the outer rod (305a), and a fixing block (305c) fixedly connected to the top end of the inner rod (305b). The bottom end of the fixing block (305c) is fixedly connected to a fixing rod (305d), the other end of the fixing rod (305d) is fixedly connected to the mounting block (303), and a second spring (305e) is sleeved on the outside of the outer rod (305a).

4. A system for connecting flanges to pipes, characterized in that: Including the pipe connection flange as described in any one of claims 1 to 3, and, The detection device (400) includes a male clamping block (401) fixedly connected to the outside of the right flange (102), a limiting block (402) fixedly connected to the outside of the right flange (102), and a monitoring mechanism (403) disposed on the outside of the right flange (102). The mounting groove (101a) is provided with a sealing mechanism (404).

5. The pipe connection flange system as described in claim 4, characterized in that: The monitoring mechanism (403) includes a left retaining ring (403a) and a right retaining ring (403b) disposed on the outside of the right flange (102), a first round hole (403c) and a second round hole (403d) opened on the outside of the left retaining ring (403a) and the right retaining ring (403b), and a signal light (403e) adapted to be installed on the outside of the left retaining ring (403a) and the right retaining ring (403b); The left retaining ring (403a) has a first female retaining block (403f) at one end, and the right retaining ring (403b) has a second female retaining block (403g) at one end. The first female retaining block (403f) and the second female retaining block (403g) are engaged with the male retaining block (401).

6. The pipe connection flange system as described in claim 5, characterized in that: The sealing mechanism (404) includes a rubber sealing ring (404a) disposed inside the mounting groove (101a), and a resistive thin-film pressure sensor (404b) is disposed inside the rubber sealing ring (404a). The resistive thin-film pressure sensor (404b), the signal lamp (403e), and the host computer are electrically connected, and the number of the resistive thin-film pressure sensor (404b), the signal lamp (403e), and the threaded hole (101c) are correspondingly set.

Citation Information

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