Quick release device

Abstract

This invention discloses a quick disassembly device, including a connecting seat, a first clamp, and a second clamp. The connecting seat includes a connecting flange and a pipe seat, with the connecting flange located above the pipe seat. The first clamp and the second clamp are respectively disposed on opposite sides of the connecting seat, and each includes a connecting unit, a fastening unit, and a clamping unit. The connecting unit is movably connected to the connecting flange. The fastening unit is mounted on the connecting unit and used to fasten the connecting unit. The fastening unit is also used to press the pipe end flange of the clamped component onto the connecting flange. The clamping unit is fixedly connected to the connecting unit. The two clamping units are detachably connected to form a limiting ring, which is used to clamp the outer wall of the pipe located above the pipe end flange of the clamped component. The quick disassembly device provided by this invention can meet the need for quick disassembly of the clamped component, ensuring a stable connection while minimizing damage to the clamped component and preventing impurities from remaining in the clamped component.

Description

Technical Field

[0001] This invention relates to the field of clamping devices for testing, and more particularly to a quick disassembly device. Background Technology

[0002] Gasoline engines emit a large amount of unburned particulate matter, so a gas particulate filter (GPF) is installed in the engine's exhaust pipe to adsorb these particles. Under the engine's high exhaust temperature, these particles are then re-burned, producing harmless carbon dioxide before being released. With increasingly stringent emission regulations, in addition to reducing harmful emissions, the selection of the appropriate GPF is crucial. Whether developing a custom GPF or purchasing one from the market, the compatibility between the GPF and the engine must be evaluated through testing.

[0003] When conducting calibration experiments on particulate filters, the positions of the particulate filters and the testing equipment need to be defined. The experiment requires repeated installation and disassembly of the particulate filters to perform carbon and ash accumulation tests and weighing tests. Furthermore, the experiment requires disassembly to be performed promptly after the particulate filters have cooled to 300°C, thus demanding a high disassembly speed for the connection structure between the particulate filters and the testing equipment. Simultaneously, because the weighing of the particulate filters requires high accuracy (0.001g), it is necessary to avoid impurities remaining on the particulate filters from affecting the weighing results. The conventional method of directly connecting the testing equipment with bolts is no longer suitable for the testing requirements of particulate filters.

[0004] In view of this, it is necessary to provide a quick disassembly device suitable for the testing requirements of particle traps. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a quick disassembly device. The first clamp and the second clamp are movably connected to the connecting seat. The first clamp and the second clamp are detachably connected to form a limiting ring to limit the horizontal position of the clamped part. Then, the clamped part is pressed by the fastening unit to limit the vertical position of the clamped part. At the same time, the fastening unit also fastens the connection between the first clamp and the second clamp. It is easy to disassemble and the connection is stable when clamping the clamped part.

[0006] The present invention provides a quick disassembly device, including a connecting seat, a first clamp, and a second clamp;

[0007] The connecting seat includes a connecting flange and a pipe seat, with the connecting flange located above the pipe seat;

[0008] The first clamp and the second clamp are respectively disposed on opposite sides of the connecting seat, and each includes a connecting unit, a fastening unit and a clamping unit;

[0009] The connecting unit is movably connected to the connecting flange. The fastening unit is installed on the connecting unit and is used to fasten the connecting unit. The fastening unit is also used to press the pipe end flange of the clamped part onto the connecting flange. The clamping unit is fixedly connected to the connecting unit. The two clamping units are detachably connected to form a limiting ring. The limiting ring is used to clamp the outer wall of the pipe located above the pipe end flange of the clamped part.

[0010] In one of the alternative technical solutions, the connecting unit has a hinged end and a connecting end, the hinged end is hinged to the side of the connecting flange, the connecting end is fixedly connected to the clamping unit, and the fastening unit movably passes through the connecting end.

[0011] In one of the alternative technical solutions, the fastening unit includes a movable end, a rod, and a clamping seat. The clamping seat is used to press the pipe end flange onto the connecting flange. The rod is fixedly connected to the clamping seat and passes through the connecting unit. The movable end is used to fasten the connecting unit after moving along the rod to define the position of the clamping unit.

[0012] In one of the alternative technical solutions, the clamping unit includes an arc-shaped rod fixedly connected to the connecting end, and the two ends of the arc-shaped rod are respectively detachably connected to the two ends of the arc-shaped rod on another clamping unit to form a limiting ring.

[0013] In one of the alternative technical solutions, the end of the arc-shaped rod is provided with a first connecting portion or a second connecting portion, wherein the first connecting portion can be at least partially embedded in the second connecting portion on another arc-shaped rod.

[0014] In one of the alternative technical solutions, the first connecting part is movably connected to the end of the arc-shaped rod, and the second connecting part is fixedly connected to the end of the arc-shaped rod.

[0015] In one alternative technical solution, the first connecting part is hinged to the end of the arc-shaped rod, and the first connecting part is capable of rotating horizontally relative to the arc-shaped rod.

[0016] In one of the alternative technical solutions, the inner side of the first connecting part facing the center of the arc-shaped rod is provided with a protrusion, and the outer side of the second connecting part is provided with a groove that matches the protrusion.

[0017] In one alternative embodiment, at least one side of the bump that contacts the groove has a protrusion for interference fit between the bump and the groove.

[0018] In one of the alternative technical solutions, the connecting flange is provided with two upwardly protruding positioning posts that penetrate the pipe end flange, and the upper end of the positioning posts is connected to the lower end of the fastening unit.

[0019] In one of the alternative technical solutions, a sealing ring is provided between the connecting flange and the pipe end flange.

[0020] The above technical solution has the following beneficial effects:

[0021] The quick-release device provided by this invention consists of a connecting seat, a first clamp, and a second clamp. Through a connecting unit, the clamping units on the first and second clamps are detachably connected to form a limiting ring to limit the horizontal position of the clamped component. Then, a fastening unit presses the clamped component to limit its vertical position, thereby achieving complete fixation of the clamped component. Since both the clamping unit and the fastening unit are detachably connected to the clamped component, the quick-release device is securely installed and easy to disassemble. When applied to particle trap testing, it can be disassembled promptly when the particle trap reaches a preset temperature, meeting the need for repeated installation and disassembly of the particle trap in particle trap testing.

[0022] Because the connecting seat, the first clamp, and the second clamp all only have surface contact with the clamped part, and the connecting units, fastening units, and clamping units on the first and second clamps do not enter the interior of the clamped part, it is not easy for impurities to remain in the clamped part after the quick-release device clamps and fastens it. When the quick-release device is used to clamp the particle trap for testing, the quick-release device does not leave impurities in the particle trap and is not easy to damage the particle trap body, making the weighing results of the particle trap after the test more accurate. Attached Figure Description

[0023] The disclosure of this invention will become more readily understood by referring to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings:

[0024] Figure 1 A perspective view of the clamped state of a quick disassembly device according to an embodiment of the present invention;

[0025] Figure 2 A perspective view of the disassembly state of the quick disassembly device provided in an embodiment of the present invention;

[0026] Figure 3This is a perspective view of a connector provided in an embodiment of the present invention;

[0027] Figure 4 A perspective view of a first clamp provided in an embodiment of the present invention;

[0028] Figure 5 This is a perspective view of a second clamp provided in an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram of the working state of a quick disassembly device provided in an embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram of a quick-disassembly device connected to a particle trap according to an embodiment of the present invention;

[0031] The components are: 1. Connecting seat; 11. Connecting flange; 12. Pipe seat; 13. Positioning pin; 14. Sealing ring;

[0032] 2. First clamp; 21. Connecting unit; 211. Hinge end; 212. Connecting end; 22. Fastening unit; 221. Movable end; 222. Rod body; 223. Pressing seat; 23. Clamping unit; 231. Arc rod; 232. First connecting part; 2321. Protrusion; 233. Second connecting part; 2331. Groove;

[0033] 3. Second clamp;

[0034] 4. Clamped component; 41. Pipe; 42. Pipe end flange. Detailed Implementation

[0035] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0036] like Figure 1-7 As shown, an embodiment of the present invention provides a quick disassembly device, including a connecting seat 1, a first clamp 2, and a second clamp 3.

[0037] The connecting seat 1 includes a connecting flange 11 and a pipe seat 12, with the connecting flange 11 located above the pipe seat 12.

[0038] The first clamp 2 and the second clamp 3 are respectively disposed on opposite sides of the connecting seat 1, and each includes a connecting unit 21, a fastening unit 22 and a clamping unit 23.

[0039] The connecting unit 21 is movably connected to the connecting flange 11. The fastening unit 22 is installed on the connecting unit 21 and is used to fasten the connecting unit 21. The fastening unit 22 is also used to press the pipe end flange 42 of the clamped part 4 onto the connecting flange 11. The clamping unit 23 is fixedly connected to the connecting unit 21. The two clamping units 23 are detachably connected to form a limiting ring. The limiting ring is used to clamp the outer wall of the pipe 41 located above the pipe end flange 42 of the clamped part 4.

[0040] like Figure 6 and Figure 7 As shown, the quick-release device provided by this invention is a clamping device to assist in testing a particulate trap. Therefore, the clamped component 4 generally refers to the particulate trap. When the quick-release device is used to clamp the particulate trap, since both ends of the particulate trap are generally provided with pipes 41, pipe end flanges 42 are provided at the ends of the pipes 41 at both ends of the particulate trap for easy connection and fastening. The two quick-release devices are respectively connected to both ends of the particulate trap to completely fix the particulate trap. The quick-release device is mainly detachably connected to the pipes 41 and pipe end flanges 42 at the ends of the particulate trap to achieve a tight connection while being easy to disassemble. Of course, the quick-release device provided by this invention can also be used to clamp other devices with pipes 41 at the ends that need to be tested or other matching devices. It can also be applied to connection structures that are not for testing but require frequent disassembly, which will not be described in detail here.

[0041] In this invention, the connecting seat 1 is a relatively fixed base, and the end of the connecting seat 1 is connected to the pipe 41 of the test equipment to keep the position of the connecting seat 1 relatively fixed. Figure 6 As shown, the connecting seat 1 includes a pipe seat 12 and a connecting flange 11 located above the pipe seat 12. The pipe seat 12 has a cavity extending through the entire pipe seat 12, with its two ends connected to the pipe 41 of the clamped component 4 and the testing equipment, respectively. Therefore, the pipe seat 12 has openings at both the top and bottom. The upper opening of the pipe seat 12 is located on the connecting flange 11. The cavity is specifically a cylindrical cavity, and the opening of the cavity is specifically a circular opening that matches the pipe 41 of the clamped component 4. Figure 7 As shown, when the clamped part 4 is a particulate filter, the tube seat 12 is sealed to the pipe 41 of the particulate filter. The gas of the test equipment passes through the tube seat 12 and enters the particulate filter to test the adsorption effect of the particulate filter on carbon soot particles.

[0042] The first clamp 2 and the second clamp 3 are respectively disposed on opposite sides of the connecting seat 1. Furthermore, the first clamp 2 and the second clamp 3 are movably connected to opposite sides of the connecting seat 1. The first clamp 2 and the second clamp 3 can be detachably connected to the connecting seat 1, or they can be partially fixed but relatively movable, so that the first clamp 2 and the second clamp 3 can move relative to the connecting seat 1. After the first clamp 2 and the second clamp 3 change position, they clamp the clamped part 4, and can also change position from the state of clamping the clamped part 4 to release the clamped part 4.

[0043] The connecting unit 21 is mainly used for connecting the flange 11 and the clamping unit 23, while the connecting unit 21 needs to avoid the pipe end flange 42. Since the pipe end flange 42 is also pressed towards the connecting flange 11 in this invention, and the clamping unit 23 needs to clamp the outer wall of the pipe 41 above the pipe end flange 42 in the clamped part 4, the connecting unit 21, which connects both the clamping unit 23 and the connecting flange 11, needs to bypass the pipe end flange 42 to avoid movement interference. Furthermore, the connecting unit 21 has a bend in the middle, which is bent at 90° to avoid the pipe end flange 42, allowing the clamping unit 23 to be perpendicular to the pipe 41 of the clamped part 4 for better clamping of the outer wall of the pipe 41.

[0044] The clamping units 23 on the first clamp 2 and the second clamp 3 are detachably connected to each other, thereby forming a limiting ring. The inner ring surface of the limiting ring partially abuts against the outer wall of the pipe 41 of the clamped component 4, or the entire inner ring surface of the limiting ring abuts against the outer wall of the pipe 41 of the clamped component 4, meaning the inner ring surface of the limiting ring completely surrounds and clamps the outer wall of the pipe 41. The ends of the clamping units 23 of the first clamp 2 and the second clamp 3 are detachably connected, or other parts between the clamping units 23 are detachably connected. This detachable connection is characterized by a stable connection and easy disassembly, and can be one of a tenon and mortise structure, a pin connection structure, a bolt connection mechanism, or an embedded connection structure. Of course, other easily disassembled and reliably connected connection structures are also within the scope of protection of this invention, and will not be described in detail here. The two clamping units 23 on the first clamp 2 and the second clamp 3 can be the same. For example, the clamping unit 23 can be two identical semi-circular ring structures. The two clamping units 23 can be combined to form a complete limiting ring structure. The structures of the two clamping units 23 can also be different. Two asymmetrical but complementary clamping units 23 can also be connected to form a complete limiting ring structure.

[0045] The fastening unit 22 is installed on the connecting unit 21 and detachably fastens the connecting unit 21. The connecting unit 21 and the clamping unit 23 are fixedly connected. Correspondingly, the fastening unit 22 also fastens the clamping unit 23, thereby making the limiting ring formed by the two clamping units 23 firmly connected and ensuring reliable clamping of the pipe 41 by the limiting ring. In addition, the fastening unit 22 also presses the pipe end flange 42 of the clamped part 4 onto the connecting flange 11, so that after the horizontal direction of the clamped part 4 is limited by the limiting ring, the vertical direction is also limited by the fastening unit 22, thereby completely limiting the position of the clamped part 4. To facilitate disassembly, when the clamping units 23 in the first clamp 2 and the second clamp 3 are connected to each other, the resulting limiting ring is not fixedly connected. At this time, by operating the fastening unit 22, the clamped part 4 is pressed towards the connecting seat 1 to seal the connection of the pipe 41. At the same time, the fastening unit 22 fastens the connecting unit 21, and the clamping unit 23 that is fixedly connected to the connecting unit 21 is also fastened, so that the clamping unit 23 forms a stable limiting ring. During the test, the clamped part 4 may swing or shift.

[0046] like Figure 2 As shown, when it is necessary to disassemble the clamped component 4, simply operate the fastening unit 22 to release the pipe end flange 42 of the clamped component 4. The fastening unit 22 on the connecting unit 21 is also released, and the connection between the clamping units 23 becomes detachable again. At this time, simply separate the two connected clamping units 23 to release the clamped component 4. This satisfies the requirement for quick disassembly in relevant tests when the clamped component 4 is a particle trap, making it suitable for multiple installations and disassemblies, and ensuring long-term stable clamping performance in particle trap experiments.

[0047] In summary, the quick-release device provided by this invention consists of a connecting seat 1, a first clamp 2, and a second clamp 3. Through the connecting unit 21, the clamping units 23 on the first clamp 2 and the second clamp 3 are detachably connected to form a limiting ring to limit the horizontal position of the clamped part 4. Then, the fastening unit 22 presses the clamped part 4 to limit its vertical position, thereby achieving complete fixation of the clamped part 4. Since both the clamping unit 23 and the fastening unit 22 are detachably connected to the clamped part 4, the quick-release device is securely installed and easy to disassemble. When applied to particle trap testing, it can be disassembled promptly when the particle trap reaches a preset temperature, meeting the needs of repeated installation and disassembly of the particle trap during particle trap testing.

[0048] Since the connecting seat 1, the first clamp 2, and the second clamp 3 only have surface contact with the clamped part 4, and the connecting unit 21, fastening unit 22, and clamping unit 23 on the first clamp 2 and the second clamp 3 do not enter the interior of the clamped part 4, it is not easy for impurities to remain in the clamped part 4 after the quick-release device clamps and fastens it. When the quick-release device is used to clamp the particle trap for testing, the quick-release device does not leave impurities in the particle trap and is not easy to damage the particle trap body, making the weighing result of the particle trap after the test more accurate.

[0049] In one embodiment, such as Figure 1 and 2 As shown, the connecting unit 21 has a hinge end 211 and a connecting end 212. The hinge end 211 is hinged to the side of the connecting flange 11, and the connecting end 212 is fixedly connected to the clamping unit 23. The fastening unit 22 movably passes through the connecting end 212.

[0050] In this embodiment, the hinge end 211 of the connecting unit 21 is hinged to the side of the connecting flange 11, and the connecting end 212 of the connecting unit 21 is fixedly connected to the clamping unit 23. When the connecting unit 21 rotates around the hinge end 211, it will drive the clamping unit 23 to rotate, thereby making the connection and separation between the clamping units 23 on the first clamp 2 and the second clamp 3 more convenient. Moreover, the movement trajectory of the hinge is fixed, and when the two clamping units 23 are connected to form a limiting ring, it is not necessary to align the two clamping units 23 separately. The hinge between the connecting unit 21 and the connecting flange 11 also facilitates test operations, and the first clamp 2 and the second clamp 3 are not easily lost in the non-clamped state.

[0051] In one embodiment, such as Figure 1-5 As shown, the fastening unit 22 includes a movable end 221, a rod 222, and a clamping seat 223. The clamping seat 223 is used to press the pipe end flange 42 onto the connecting flange 11. The rod 222 is fixedly connected to the clamping seat 223 and passes through the connecting unit 21. The movable end 221 is used to fasten the connecting unit 21 after moving along the rod 222 to limit the position of the clamping unit 23.

[0052] In this embodiment, the movable end 221 is disposed at the upper end of the fastening unit 22, the clamping seat 223 is disposed at the lower end of the fastening unit 22, and the rod body 222 is disposed between the clamping seat 223 and the movable end 221. The movable end 221 can be a structure separable from the rod body 222, or it can be a movable structure confined to the rod body 222. The fastening unit 22 moves from top to bottom along the rod body 222 via the upper movable end 221 to fasten the connecting unit 21. The fastening of the connecting unit 21 by the movable end 221 can be manual or automatic fastening achieved by an elastic element. The clamping seat 223 of the fastening unit 22 is separable and abuts against the upper surface of the pipe end flange 42. The clamping seat 223 clamps the pipe end flange 42 as the movable end 221 moves. When the movable end 221 moves upward, the clamping seat 223 releases the pipe end flange 42 to achieve quick disassembly.

[0053] Preferably, the fastener is a bolt and nut mechanism, with the movable end 221 being the nut and the rod 222 being the screw. Specifically, the movable end 221 moves downwards along the rod 222 by rotating the nut on the screw to move axially along the screw. The bolt and nut mechanism provides reliable clamping force, and the nut, as the movable end 221, allows for easy adjustment of the movement distance.

[0054] In one embodiment, such as Figure 4 and Figure 5 As shown, the clamping unit 23 includes an arc-shaped rod 231 fixedly connected to the connecting end 212. The two ends of the arc-shaped rod 231 are respectively detachably connected to the two ends of the arc-shaped rod 231 on another clamping unit 23 to form a limiting ring.

[0055] In this embodiment, the connecting end 212 of the connecting unit 21 is fixedly connected to the outer arc surface of the arc-shaped rod 231, and the two arc-shaped rods 231 are connected to form a complete limiting ring. The structure of the arc-shaped rods 231 between the two clamping units 23 can be the same regular semi-circular arc structure, or it can be different complementary structures that form a complete limiting ring.

[0056] In one embodiment, such as Figure 4 and Figure 5 As shown, the end of the arc-shaped rod 231 is provided with a first connecting part 232 or a second connecting part 233, and the first connecting part 232 can be at least partially embedded into the second connecting part 233 on another arc-shaped rod 231.

[0057] In this embodiment, since the first connecting part 232 needs to be connected to the second connecting part 233, the arc-shaped rod 231 has two ends. The first connecting part 232 or the second connecting part 233 provided on the two ends needs to correspond to the first connecting part 232 or the second connecting part 233 on the corresponding end of the other arc-shaped rod 231, so as to form a structure in which one first connecting part 232 corresponds to one second connecting part 233. For example, the first clamp 2 has a first connecting part 232 provided at both ends of the arc-shaped rod 231, and correspondingly, the second clamp 3 has a second connecting part 233 provided at both ends of the arc-shaped rod 231. When the clamping units 23 are connected, the first connecting part 232 is at least partially embedded in the second connecting part 233 to achieve a reliable detachable connection.

[0058] In one embodiment, such as Figure 4 and Figure 5 As shown, the first connecting part 232 is movably connected to the end of the arc-shaped rod 231, and the second connecting part 233 is fixedly connected to the end of the arc-shaped rod 231.

[0059] In this embodiment, the first connecting part 232 and the arc-shaped rod 231 are relatively movable, while the second connecting part 233 and the arc-shaped rod 231 are relatively fixed, so as to facilitate the operation of the first connecting part 232 being inserted into the second connecting part 233. The first connecting part 232 can be inserted into the second connecting part 233 from top to bottom, or from the outside to the inside. Preferably, the end of the first connecting part 232 has a protrusion, and the end of the second connecting part 233 has a matching concave portion. After rotation, the protrusion of the first connecting part 232 is inserted into the concave portion of the second connecting part 233 to achieve a stable and detachable connection.

[0060] In one embodiment, such as Figure 4 As shown, the first connecting part 232 is hinged to the end of the arc-shaped rod 231, and the first connecting part 232 can rotate horizontally relative to the arc-shaped rod 231.

[0061] In this embodiment, since the fastening unit 22 penetrates the connecting unit 21, the fastening of the fastening unit 22 on the connecting unit 21 is a vertical fastening. To improve the fastening effect of the fastening unit 22 on the clamping unit 23 after fastening the connecting unit 21, the end of the first connecting part 232 is hinged to the end of the arc-shaped rod 231. The first connecting part 232 can rotate horizontally around the hinge point, and after horizontal rotation, it is partially embedded in the second connecting part 233. The separation of the first connecting part 232 and the second connecting part 233 also requires the first connecting part 232 to rotate horizontally. After the fastening unit 22 fastens the connecting unit 21 vertically, the clamping unit 23 is also fastened vertically accordingly. At this time, the part of the first connecting part 232 embedded in the second connecting part 233 generates a tangential force, which fixes the connection between the first connecting part 232 and the second connecting part 233, making it difficult to loosen.

[0062] In one embodiment, such as Figure 4 and Figure 5 As shown, the first connecting part 232 has a protrusion 2321 on the inner side facing the center of the arc rod 231, and the second connecting part 233 has a groove 2331 on the outer side that matches the protrusion 2321.

[0063] In this embodiment, the direction from the center of pipe 41 inward is defined as "inward," and the direction from the center of pipe 41 outward is defined as "outward." A protrusion 2321 is provided on the inner side of the first connecting part 232, and a matching groove 2331 is provided on the outer side of the second connecting part 233. The protrusion 2321 of the horizontally rotating first connecting part 232 is embedded into the groove 2331 to achieve a detachable connection. The groove 2331 on the second connecting part 233 can be penetrating the second connecting part 233 or a recessed structure that does not penetrate the second connecting part 233. The number of protrusions 2321 and grooves 2331 on the first connecting part 232 and the second connecting part 233 can be one or more.

[0064] In one embodiment, such as Figure 4 As shown, at least one side of the protrusion 2321 that contacts the groove 2331 has a protrusion, which is used to make the protrusion 2321 and the groove 2331 interference fit.

[0065] In this embodiment, the protrusion 2321 protrudes from the inner side of the first connecting portion 232. The protrusion 2321 has multiple sides adjacent to the inner side of the first connecting portion 232, or the protrusion 2321 is a hemispherical structure with only one surface, in which case the protrusion 2321 has only one side. The protrusion 2321 is embedded in the groove 2331, and there must be contacting sides between the protrusion 2321 and the groove 2331. By setting one or more protrusions on one or more contacting sides of the protrusion 2321 and the groove 2331, the protrusion 2321 on the first connecting portion 232 and the groove 2331 on the second connecting portion 233 form an interference fit, making the connection between the first connecting portion 232 and the second connecting portion 233 more secure, thereby further improving the limiting reliability of the limiting ring.

[0066] In one embodiment, such as Figure 1-3 As shown, the connecting flange 11 is provided with two upward protruding positioning posts 13 that penetrate the pipe end flange 42. The upper end of the positioning post 13 is connected to the lower end of the fastening unit 22.

[0067] In this embodiment, when the fastening unit 22 directly clamps the pipe end flange 42, positional deviations can easily occur, affecting the connection accuracy between the clamped component 4 and the connecting seat 1. When the clamped component 4 is a particle trap, airtightness issues can easily arise after the pipe 41 is misaligned, thus affecting the accuracy of the test results. Therefore, a positioning post 13 is provided on the connecting flange 11, and a through hole is opened on each of the opposite sides of the pipe end flange 42. The positioning post 13 passes through the through hole to connect to the lower end of the fastening unit 22, i.e., the clamping seat 223. The lower end face of the clamping seat 223 can be provided with a recessed structure matching the upper end of the positioning post 13. The pipe end flange 42 of the clamped component 4 is first positioned by the two positioning posts 13, and then the pipe end flange 42 is clamped by the fastening unit 22. The lower end of the fastening unit 22 is aligned with the upper end of the positioning post 13 before clamping, achieving precise clamping of the clamped component 4, thereby improving the connection reliability and test accuracy of the clamped component 4.

[0068] In one embodiment, such as Figure 3 As shown, a sealing ring 14 is provided between the connecting flange 11 and the pipe end flange 42.

[0069] In this embodiment, since the pipe end flange 42 needs to be pressed onto the connecting flange 11, but due to the large contact area, the connection between the pipe 41 opening on the pipe end flange 42 and the pipe seat 12 opening on the connecting flange 11 is prone to poor sealing after the pipe end flange 42 is pressed onto the connecting flange 11. To improve the sealing performance, a sealing ring 14 is provided between the pipe end flange 42 and the connecting flange 11. Specifically, the sealing ring 14 is made of graphite material. The sealing ring 14 made of graphite material has good sealing performance, is stable and durable, and also has a certain degree of elasticity, which can withstand multiple compressions from the pipe end flange 42 towards the connecting flange 11, thus providing a continuous and reliable sealing effect for the particle trap test.

[0070] The above technical solutions can be combined as needed to achieve the best technical effect. The above are merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several other modifications can be made based on the principles of the present invention, and these modifications should also be considered within the scope of protection of the present invention.

Claims

1. A quick disassembly device, characterized in that, It includes a connecting seat (1), a first clamp (2), and a second clamp (3); The connecting seat (1) includes a connecting flange (11) and a pipe seat (12), with the connecting flange (11) located above the pipe seat (12); The first clamp (2) and the second clamp (3) are respectively disposed on opposite sides of the connecting seat (1), and each includes a connecting unit (21), a fastening unit (22) and a clamping unit (23); The connecting unit (21) is movably connected to the connecting flange (11). The fastening unit (22) is installed on the connecting unit (21) and is used to fasten the connecting unit (21). The fastening unit (22) is also used to press the pipe end flange (42) of the clamped part (4) onto the connecting flange (11). The clamping unit (23) is fixedly connected to the connecting unit (21). The two clamping units (23) are detachably connected to form a limiting ring. The limiting ring is used to clamp the outer wall of the pipe (41) located above the pipe end flange (42) of the clamped part (4).

2. The quick disassembly device according to claim 1, characterized in that, The connecting unit (21) has a hinge end (211) and a connecting end (212). The hinge end (211) is hinged to the side of the connecting flange (11), and the connecting end (212) is fixedly connected to the clamping unit (23). The fastening unit (22) movably passes through the connecting end (212).

3. The quick disassembly device according to claim 1, characterized in that, The fastening unit (22) includes a movable end (221), a rod (222), and a clamping seat (223). The clamping seat (223) is used to press the pipe end flange (42) onto the connecting flange (11). The rod (222) is fixedly connected to the clamping seat (223) and passes through the connecting unit (21). The movable end (221) is used to fasten the connecting unit (21) after moving along the rod (222) to limit the position of the clamping unit (23).

4. The quick disassembly device according to claim 2, characterized in that, The clamping unit (23) includes an arc-shaped rod (231) fixedly connected to the connecting end (212). The two ends of the arc-shaped rod (231) are respectively detachably connected to the two ends of the arc-shaped rod (231) on another clamping unit (23) to form a limiting ring.

5. The quick disassembly device according to claim 4, characterized in that, The end of the arc-shaped rod (231) is provided with a first connecting part (232) or a second connecting part (233), and the first connecting part (232) can be at least partially embedded in the second connecting part (233) on another arc-shaped rod (231).

6. The quick disassembly device according to claim 5, characterized in that, The first connecting part (232) is movably connected to the end of the arc-shaped rod (231), and the second connecting part (233) is fixedly connected to the end of the arc-shaped rod (231).

7. The quick disassembly device according to claim 6, characterized in that, The first connecting part (232) is hinged to the end of the arc-shaped rod (231), and the first connecting part (232) can rotate horizontally relative to the arc-shaped rod (231).

8. The quick disassembly device according to claim 7, characterized in that, The first connecting part (232) has a protrusion (2321) on the inner side facing the center of the arc rod (231), and the second connecting part (233) has a groove (2331) on the outer side that matches the protrusion (2321).

9. The quick disassembly device according to claim 8, characterized in that, The protrusion (2321) has a protrusion on at least one side that contacts the groove (2331), the protrusion being used to allow the protrusion (2321) to have an interference fit with the groove (2331).

10. The quick disassembly device according to any one of claims 1-9, characterized in that, The connecting flange (11) is provided with two upward protruding positioning posts (13) that penetrate the pipe end flange (42), and the upper end of the positioning posts (13) is connected to the lower end of the fastening unit (22).

11. The quick disassembly device according to any one of claims 1-9, characterized in that, A sealing ring (14) is provided between the connecting flange (11) and the pipe end flange (42).

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