Disassembling and assembling structure and valve

Abstract

The utility model relates to the technical field of fluid control equipment, in particular to a disassembly and assembly structure and a valve, the valve comprises a valve seat, a connecting pipe, a clamping assembly and a limiting assembly used for limiting the clamping assembly to move between a first position and a second position, the clamping assembly and the limiting assembly are both movably connected with the connecting pipe, and the valve seat is fixedly connected with the connecting pipe. In the first position, the limiting assembly abuts against the clamping assembly, and the other end of the clamping assembly extends out of the inner wall face of the connecting pipe. And at the second position, the clamping assembly is moved out from the inner side of the connecting pipe. By arranging the clamping assembly, the connecting pipe can be conveniently connected with other pipelines, meanwhile, by arranging the limiting assembly, the position of the clamping assembly is limited after connection is completed, connection and separation of the connecting pipe and the other pipelines are avoided, and therefore the connecting pipe and the other pipelines can be conveniently disassembled and assembled on the basis of stable connection.

Description

Technical Field

[0001] This utility model relates to the technical field of fluid control equipment, and more specifically, to a disassembly and assembly structure and a valve. Background Technology

[0002] In the fields of industrial equipment, piping systems, and fluid control, valves, as a key control element, are widely used in industries such as petroleum, chemical, power, and water treatment. The main function of valves is to regulate, cut off, or change the flow direction of fluids, and their performance directly affects the safety and operational efficiency of the entire system. With the continuous development of industrial technology, higher requirements are being placed on the reliability, durability, and ease of maintenance of valves.

[0003] Traditional valve structures typically employ a one-piece design or are fixed using bolts, welding, or other methods. This structure presents certain limitations during installation and disassembly. For example, one-piece valves often require complete disassembly for repair or replacement, increasing maintenance costs and time. While bolted valves are easy to disassemble, their sealing performance can deteriorate over time due to bolt loosening or corrosion, affecting normal valve operation. Furthermore, although welded valves offer high sealing performance, disassembly often requires destructive operations, making reuse difficult. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology in that it is not convenient to disassemble and install valves in a portable manner, and to provide a disassembly and assembly structure and valve that facilitates valve disassembly and assembly while ensuring stable connection.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A disassembly and assembly structure is provided, including a connecting tube, a snap-fit ​​assembly, and a limiting assembly for restricting the movement of the snap-fit ​​assembly between a first position and a second position. Both the snap-fit ​​assembly and the limiting assembly are movably connected to the connecting tube. In the first position, the limiting assembly abuts against the snap-fit ​​assembly, and the other end of the snap-fit ​​assembly extends out of the inner wall surface of the connecting tube. In the second position, the snap-fit ​​assembly moves out from the inside of the connecting tube.

[0007] The disassembly and assembly structure of this utility model allows for easy connection of the connecting pipe to other pipes when using a connecting pipe. The limiting component is moved to the second position, leaving sufficient space inside the connecting pipe for insertion. After insertion, the limiting component is moved again, abutting against the snap-fit ​​component, with the other end of the snap-fit ​​component extending beyond the inner wall of the connecting pipe. The snap-fit ​​component then abuts against the outer wall of the pipe being connected, thus connecting the connecting pipe and the pipe. By incorporating the snap-fit ​​component, the connecting pipe can be easily connected to other pipes. Simultaneously, the limiting component restricts the position of the snap-fit ​​component after connection, preventing separation of the connecting pipe from other pipes. This ensures a stable connection while facilitating easy assembly and disassembly of the connecting pipe from other pipes.

[0008] Furthermore, the connecting pipe is provided with multiple sliding through holes, and multiple sets of snap-fit ​​components are provided along the circumference of the connecting pipe, with the multiple sets of snap-fit ​​components slidably connected to the multiple sliding through holes. By setting multiple sets of snap-fit ​​components, the connection between the connecting pipe and other pipes is made more stable.

[0009] Furthermore, each of the multiple sets of snap-fit ​​components includes a snap-fit ​​block, which includes a pressure-applying part, a sliding part, and an abutting part. The pressure-applying part, the sliding part, and the abutting part are arranged sequentially from the outside to the inside along the radial direction of the connecting pipe. The sliding part is slidably connected to the sliding through hole, and the outer diameters of both the pressure-applying part and the abutting part are larger than the inner diameter of the sliding through hole. In a first position, the limiting component abuts against the pressure-applying part, and the abutting part extends out of the inner wall surface of the connecting pipe. In a second position, the abutting part moves out from the inside of the connecting pipe. By ensuring that the outer diameters of both the pressure-applying part and the abutting part are larger than the inner diameter of the sliding through hole, the sliding displacement of the snap-fit ​​block is limited, thereby preventing the snap-fit ​​block from separating from the connecting pipe.

[0010] Furthermore, the abutment portion is designed with an arc shape. This allows the abutment portion to fit more closely to the pipe, thereby making the connection between the connecting pipe and the other pipes more stable.

[0011] Furthermore, the snap-fit ​​assembly also includes a first elastic element, the two ends of which are respectively connected to the connecting tube and the snap-fit ​​block. By providing the first elastic element, the snap-fit ​​assembly can be automatically connected or automatically disconnected.

[0012] Furthermore, in the second position, the first elastic element is in its natural state. In the first position, the limiting component abuts against the locking component, and the first elastic element is compressed or stretched; in the second position, the limiting component separates from the locking component, the first elastic element returns to its original state, driving the locking block to move, and the locking block automatically separates from the pipe, thereby achieving rapid automatic unlocking.

[0013] Furthermore, the limiting component includes a sliding sleeve, which is sleeved over the connecting pipe and movably connected to the connecting pipe. By providing the sliding sleeve, when multiple sets of snap-fit ​​components are provided on the connecting pipe, multiple sets of snap-fit ​​components can be limited simultaneously, facilitating the assembly and disassembly of the connecting pipe and pipeline.

[0014] Furthermore, the limiting component also includes a second elastic element, the two ends of which are respectively connected to the connecting pipe and the sliding sleeve; in the first position, the second elastic element is in its natural state. By setting the second elastic element, in the second position, the second elastic element is compressed or extended. After the pipe is connected to the connecting pipe, the second elastic element returns to its original state, driving the sliding sleeve to move. The sliding sleeve automatically abuts against the locking component, thereby achieving rapid automatic locking.

[0015] Furthermore, the sliding sleeve slides relative to the connecting pipe along the axial direction of the connecting pipe. Sliding the sliding sleeve along the axial direction of the connecting pipe allows the snap-fit ​​assembly to be positioned in a first position or a second position.

[0016] This utility model also provides a valve, including a valve seat and the above-described disassembly and assembly structure, wherein the connecting pipe is fixedly connected to the valve seat.

[0017] The valve of this utility model has a connecting pipe on the valve seat. Through the snap-fit ​​component and the limiting component on the connecting pipe, the valve can be easily disassembled and assembled while maintaining a stable connection.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. The present invention provides a disassembly and assembly structure and valve, which, by setting a snap-fit ​​component, facilitates the connection of the connecting pipe to other pipes. At the same time, by setting a limiting component, the position of the snap-fit ​​component is restricted after the connection is completed, so as to prevent the connection between the connecting pipe and other pipes from separating. Thus, the connection is stable and it is easy to disassemble and assemble the connecting pipe with other pipes.

[0020] 2. A disassembly and assembly structure and valve of this utility model, by setting a first elastic element, in the first position, the limiting component abuts against the snap-fit ​​component, and the first elastic element is compressed or stretched; in the second position, the limiting component separates from the snap-fit ​​component, the first elastic element returns to its original state, drives the snap-fit ​​block to move, and the snap-fit ​​block automatically separates from the pipeline, thereby realizing rapid automatic unlocking.

[0021] 3. A disassembly and assembly structure and valve of this utility model, by setting a second elastic element, in a second position, the second elastic element is compressed or extended, after the pipe is connected to the connecting pipe, the second elastic element returns to its original state, driving the sliding sleeve to move, and the sliding sleeve automatically abuts against the snap-fit ​​component, thereby realizing rapid automatic locking. Attached Figure Description

[0022] Figure 1This is a structural diagram of the disassembly and assembly structure;

[0023] Figure 2 This is a schematic diagram of the internal structure of a pipe installed on a valve;

[0024] Figure 3 yes Figure 2 Schematic diagram of the structure at point A;

[0025] Figure 4 yes Figure 2 A schematic diagram of the structure at point B.

[0026] In the attached figures: 100, connecting pipe; 110, sliding through hole; 120, first guide member; 200, snap-fit ​​assembly; 210, snap block; 211, pressure application part; 212, sliding part; 213, abutment part; 220, first elastic member; 300, limiting assembly; 310, sliding sleeve; 311, second guide member; 320, second elastic member; 400, valve seat. Detailed Implementation

[0027] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0028] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. Furthermore, if the embodiments of this utility model involve descriptions such as "first" and "second," these descriptions are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include at least one of those features. In addition, the meaning of "and / or" in the text is that it includes three parallel options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0029] Example 1

[0030] This embodiment is a first embodiment of a disassembly and assembly structure, such as... Figure 1 As shown, the assembly includes a connecting pipe 100, a snap-fit ​​component 200, and a limiting component 300 for restricting the movement of the snap-fit ​​component 200 between a first position and a second position. Both the snap-fit ​​component 200 and the limiting component 300 are movably connected to the connecting pipe 100. In the first position, the limiting component 300 abuts against the snap-fit ​​component 200, and the other end of the snap-fit ​​component 200 extends out of the inner wall surface of the connecting pipe 100. That is, in the first position, the snap-fit ​​component 200 can lock the pipe, and the limiting component 300 restricts the position of the snap-fit ​​component 200 to prevent the snap-fit ​​component 200 from separating from the pipe. In the second position, the snap-fit ​​component 200 moves out from the inside of the connecting pipe 100. That is, in the second position, the snap-fit ​​component 200 separates from the pipe, facilitating the separation of the pipe from the connecting pipe 100. To enhance the connection effect, the pipe connected to the connecting pipe 100 in this embodiment is provided with a snap-fit ​​groove. When the connecting pipe 100 is connected to the pipe, the snap-fit ​​component 200 snaps into the snap-fit ​​groove. A positioning part can also be installed on the pipe. When the positioning part abuts against the connecting pipe 100, the groove aligns with the snap-fit ​​component 200.

[0031] like Figure 4 As shown, the connecting pipe 100 is provided with multiple sliding through holes 110, and multiple sets of snap-fit ​​components 200 are provided along the circumference of the connecting pipe 100. The multiple sets of snap-fit ​​components 200 are slidably connected to the multiple sliding through holes 110. By setting multiple sets of snap-fit ​​components 200, the connection between the connecting pipe 100 and other pipes is made more stable.

[0032] Each of the multiple sets of snap-fit ​​components 200 includes a snap-fit ​​block 210. The snap-fit ​​block 210 includes a pressure-applying part 211, a sliding part 212, and an abutment part 213. These three parts are arranged radially from the outside to the inside along the connecting pipe 100. The sliding part 212 is slidably connected to the sliding through hole 110. The outer diameters of both the pressure-applying part 211 and the abutment part 213 are larger than the inner diameter of the sliding through hole 110. In a first position, the limiting component 300 abuts against the pressure-applying part 211, and the abutment part 213 extends beyond the inner wall of the connecting pipe 100. In a second position, the abutment part 213 moves out from the inside of the connecting pipe 100. By ensuring that the outer diameters of both the pressure-applying part 211 and the abutment part 213 are larger than the inner diameter of the sliding through hole 110, the sliding displacement of the snap-fit ​​block 210 is limited, thereby preventing the snap-fit ​​block 210 from separating from the connecting pipe 100.

[0033] In this embodiment, the connecting pipe 100 may also have an installation hole, and an installation plate is provided in the installation hole. The sliding through hole 110 is provided on the installation plate. The sliding distance of the locking block 210 is limited by the contact between the two sides of the installation plate and the pressure part 211 and the abutment part 213. The installation hole guides the movement of the pressure part 211 and the abutment part 213.

[0034] The abutment portion 213 is designed with an arc shape. This allows the abutment portion 213 to fit more closely to the pipe, thereby making the connection between the connecting pipe 100 and the other pipes more stable. The pressure-applying portion 211 is designed with a wedge shape, which facilitates the limiting component 300 to limit the pressure-applying portion 211.

[0035] The limiting component 300 includes a sliding sleeve 310, which is sleeved on the outside of the connecting pipe 100 and is movably connected to the connecting pipe 100. By setting the sliding sleeve 310, when multiple sets of snap-fit ​​components 200 are provided on the connecting pipe 100, multiple sets of snap-fit ​​components 200 can be limited at the same time, which facilitates the disassembly and assembly of the connecting pipe and pipeline.

[0036] The limiting component 300 can also be configured as multiple limiting blocks. After the connection is completed, multiple limiting blocks can be moved to limit the locking component 200.

[0037] The movable connection between the sliding sleeve 310 and the connecting pipe 100 can be configured such that the sliding sleeve 310 and the connecting pipe 100 rotate circumferentially along the connecting pipe 100, or that the sliding sleeve 310 and the connecting pipe 100 slide radially along the connecting pipe 100. When the sliding sleeve 310 and the connecting pipe 100 rotate circumferentially along the connecting pipe 100, the outer diameter of the pressure-applying part 211 gradually increases circumferentially along the connecting pipe 100, facilitating the sliding sleeve 310 to rotate from the small end to the large end of the pressure-applying part 211, and facilitating the contact between the sliding sleeve 310 and the pressure-applying part 211. When the sliding sleeve 310 and the connecting pipe 100 slide radially along the connecting pipe 100, the outer diameter of the pressure-applying part 211 gradually increases axially along the connecting pipe 100, facilitating the sliding sleeve 310 to slide from the small end to the large end of the pressure-applying part 211, and facilitating the contact between the sliding sleeve 310 and the pressure-applying part 211.

[0038] The working principle of the disassembly and assembly structure in this embodiment is as follows:

[0039] When connecting the connecting pipe 100 to other pipes, move the limiting component 300 and the snap-fit ​​component 200 so that the snap-fit ​​component 200 is in the second position, and the abutment part 213 moves out from the inside of the connecting pipe 100. At this time, sufficient space is left inside the connecting pipe 100, allowing the pipe to be inserted into the connecting pipe 100. After insertion, move the limiting component 300 so that it abuts against the pressure-applying part 211, causing the abutment part 213 to extend out of the inner wall of the connecting pipe 100 and abut against the outer wall of the pipe to be connected, thus connecting the connecting pipe 100 to the pipe. When disassembly is required, move the limiting component 300 to separate it from the pressure-applying part 211, and move the snap-fit ​​component 200 to separate the abutment part 213 from the pipe, thus disassembling the connecting pipe 100 from the pipe. By setting the snap-fit ​​component 200, the connecting pipe 100 can be easily connected to other pipes. At the same time, by setting the limiting component 300, the position of the snap-fit ​​component 200 is restricted after the connection is completed, so as to prevent the connection between the connecting pipe 100 and other pipes from separating. Thus, the connection is stable and it is easy to disassemble and assemble the connecting pipe 100 with other pipes.

[0040] Example 2

[0041] This embodiment is the second embodiment of the disassembly and assembly structure. This embodiment is similar to the first embodiment, except that, as Figure 3 and Figure 4 As shown, the snap-fit ​​assembly 200 also includes a first elastic element 220, the two ends of which are connected to the connecting tube 100 and the snap-fit ​​block 210, respectively. By setting the first elastic element 220, the snap-fit ​​assembly 200 can be automatically connected or automatically disconnected. In this embodiment, the first elastic element 220 is set as a spring, and the spring is sleeved on the sliding part 212.

[0042] In the second position, the first elastic member 220 is in its natural state. In the first position, the limiting component 300 abuts against the snap-fit ​​component 200, and the first elastic member 220 is compressed or stretched. That is, when both ends of the first elastic member 220 are connected to the connecting tube 100 and the pressure part 211 respectively, or when both ends of the first elastic member 220 are connected to the connecting tube 100 and the sliding part 212 located on the side of the mounting plate near the pressure part 211 respectively, in the first position, that is, when the abutment part 213 extends out of the inner wall surface of the connecting tube 100, the first elastic member 220 is in a compressed state. When both ends of the first elastic member 220 are connected to the connecting tube 100 and the abutment part 213 respectively, or when both ends of the first elastic member 220 are connected to the connecting tube 100 and the sliding part 212 located on the side of the mounting plate near the abutment part 213 respectively, in the first position, that is, when the abutment part 213 extends out of the inner wall surface of the connecting tube 100, the first elastic member 220 is in an extended state.

[0043] In the second position, the limiting component 300 separates from the locking component 200, the first elastic element 220 returns to its original position, driving the locking block 210 to move, and the locking block 210 automatically separates from the pipe, thereby achieving rapid automatic unlocking.

[0044] Example 3

[0045] This embodiment is the third embodiment of the disassembly and assembly structure. This embodiment is similar to the first embodiment, except that, as Figure 3 and Figure 4 As shown, the limiting component 300 also includes a second elastic element 320, the two ends of which are connected to the connecting pipe 100 and the sliding sleeve 310, respectively. In the first position, the second elastic element 320 is in its natural state. By setting the second elastic element 320, in the second position, the second elastic element 320 is compressed or extended. After connecting the pipe to the connecting pipe 100, the second elastic element 320 returns to its original state, driving the sliding sleeve 310 to move. The sliding sleeve 310 automatically abuts against the locking component, thereby achieving rapid automatic locking.

[0046] When the sliding sleeve 310 is rotatably connected to the connecting pipe 100, the second elastic element 320 is configured as a torsion spring. When the sliding sleeve 310 is slidably connected to the connecting pipe 100, the second elastic element 320 is configured as a spring.

[0047] The sliding sleeve 310 is provided with a second limiting member, and the connecting pipe 100 is provided with a first limiting member to restrict the sliding of the second limiting member. By setting the first limiting member and the second limiting member, the sliding sleeve 310 is prevented from separating from the connecting pipe 100.

[0048] In this embodiment, the first limiting member is a first convex ring connected to the outer diameter of the connecting pipe 100, and the second limiting member is a second convex ring connected to the inner surface of the sliding sleeve 310. Both ends of the sliding sleeve 310 are provided with second convex rings. The inner diameter of the second convex ring is smaller than the outer diameter of the first convex ring. By the contact between the second convex rings at both ends and the first convex ring, the movement distance of the sliding sleeve 310 is limited, and the sliding sleeve 310 is also prevented from separating from the connecting pipe 100.

[0049] Meanwhile, the first limiting member can also be set as a limiting groove, and the second limiting member can be set as a limiting block. The limiting groove limits the movement distance of the limiting block, and also prevents the sliding sleeve 310 from separating from the connecting pipe 100.

[0050] In this embodiment, the sliding sleeve 310 slides relative to the connecting pipe 100 along the axial direction of the connecting pipe 100. By sliding the sliding sleeve 310 along the axial direction of the connecting pipe 100, the snap-fit ​​assembly 200 is positioned in a first position or a second position.

[0051] like Figure 3 and Figure 4As shown, a first guide 120 is provided on the connecting pipe 100 along its axial direction, and a second guide 311 is provided on the sliding sleeve 310. The second guide 311 is slidably connected to the first guide 120. By providing the first guide 120 and the second guide 311, the movement of the sliding sleeve 310 is guided, preventing the sliding sleeve 310 from rotating and improving the limiting effect of the sliding sleeve 310 on the snap-fit ​​assembly 200.

[0052] In this embodiment, the first guide member 120 is configured as a guide block, and the second guide member 311 is configured as a guide groove. The guide block and the guide groove are slidably connected. The movement of the sliding sleeve 310 is guided by the sliding of the guide block within the guide groove. Alternatively, the first guide member 120 can be configured as a guide groove, and the second guide member 311 can be configured as a guide block.

[0053] Example 4

[0054] This embodiment is a first embodiment of a valve, such as... Figure 2 As shown, it includes a valve seat 400 and a disassembly and assembly structure provided in any of the embodiments one to three, with the connecting pipe 100 fixedly connected to the valve seat 400.

[0055] The valve of this utility model has a connecting pipe 100 on the valve seat 400. Through the snap-fit ​​component 200 and the limiting component 300 on the connecting pipe 100, the valve can be easily disassembled and assembled on the basis of stable connection.

[0056] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0057] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A disassembly and assembly structure, characterized in that, The device includes a connecting tube (100), a snap-fit ​​assembly (200), and a limiting assembly (300) for restricting the movement of the snap-fit ​​assembly (200) between a first position and a second position. Both the snap-fit ​​assembly (200) and the limiting assembly (300) are movably connected to the connecting tube (100). In the first position, the limiting assembly (300) abuts against the snap-fit ​​assembly (200), and the other end of the snap-fit ​​assembly (200) extends out of the inner wall of the connecting tube (100). In the second position, the snap-fit ​​assembly (200) moves out from the inside of the connecting tube (100).

2. The disassembly and assembly structure according to claim 1, characterized in that, The connecting pipe (100) is provided with a plurality of sliding through holes (110), and the snap-fit ​​assembly (200) is provided with a plurality of sets along the circumference of the connecting pipe (100), and the plurality of sets of snap-fit ​​assemblies (200) are slidably connected to the plurality of sliding through holes (110).

3. The disassembly and assembly structure according to claim 2, characterized in that, Each of the multiple sets of the snap-fit ​​components (200) includes a snap-fit ​​block (210), the snap-fit ​​block (210) includes a pressure part (211), a sliding part (212) and an abutment part (213), the pressure part (211), the sliding part (212) and the abutment part (213) are arranged in sequence from the outside to the inside along the radial direction of the connecting pipe (100), the sliding part (212) is slidably connected to the sliding through hole (110), and the outer diameters of the pressure part (211) and the abutment part (213) are both larger than the inner diameter of the sliding through hole (110); in the first position, the limiting component (300) abuts against the pressure part (211), and the abutment part (213) extends out of the inner wall surface of the connecting pipe (100); in the second position, the abutment part (213) moves out from the inside of the connecting pipe (100).

4. The disassembly and assembly structure according to claim 3, characterized in that, The abutment part (213) is designed as an arc structure.

5. The disassembly and assembly structure according to claim 3, characterized in that, The snap-fit ​​assembly (200) further includes a first elastic element (220), the two ends of which are connected to the connecting tube (100) and the snap-fit ​​block (210), respectively.

6. The disassembly and assembly structure according to claim 5, characterized in that, In the second position, the first elastic element (220) is in its natural state.

7. The disassembly and assembly structure according to any one of claims 1 to 6, characterized in that, The limiting component (300) includes a sliding sleeve (310), which is sleeved on the outside of the connecting pipe (100) and is movably connected to the connecting pipe (100).

8. The disassembly and assembly structure according to claim 7, characterized in that, The limiting component (300) further includes a second elastic element (320), the two ends of which are connected to the connecting tube (100) and the sliding sleeve (310) respectively; in the first position, the second elastic element (320) is in a natural state.

9. The disassembly and assembly structure according to claim 8, characterized in that, The sliding sleeve (310) slides relative to the connecting pipe (100) along the axial direction of the connecting pipe (100).

10. A valve, characterized in that, Includes a valve seat (400) and a disassembly and assembly structure as described in any one of claims 1 to 9, wherein the connecting pipe (100) is fixedly connected to the valve seat (400).

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