Cloth dehydrator
By designing sliding clamping structures and shock absorbing components in the fabric dewatering machine, the tear or strain problems caused by the contact between the fabric head and the clamping structure are solved, which improves production quality and operating efficiency, and reduces vibration during the dehydration process. and noise.
Patent Information
- Application Number
- CN202420234756.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-31
AI Technical Summary
When the existing fabric dehydrator is started, the fabric head is in contact with the clamping structure due to centrifugal force, which is prone to tear or strain.
A fabric dehydrator including a shell, inner barrel, drive member and clamping structure is designed. The clamping structure slides with the side wall of the inner barrel, fixing the fabric head through the mounting plate, clamping plate and sliding structure, reducing contact points, and through Shock absorption components enhance overall stability and balance.
It effectively avoids tearing or straining of the fabric head, improves production quality and operation efficiency, and reduces vibration and noise during the dehydration process, ensuring the dehydration effect.
Smart Images

Figure CN222205743U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cloth production equipment, in particular to a cloth dehydrating machine. Background Art
[0002] Fabric is a commonly used material in decoration. It includes chemical fiber carpet, non-woven wall cloth, linen, nylon, colored tape, flannel and other fabrics. Fabric plays a significant role in decorative display and is often the main force that cannot be ignored in the entire sales space. Fabric needs to be dehydrated during production.
[0003] Chinese utility model patent CN215561221 U discloses a dewatering machine for cloth, comprising an outer cylinder, a water outlet pipe arranged on the outer cylinder, a motor arranged on the outer cylinder, an inner cylinder arranged on the motor, a dewatering hole arranged on the inner cylinder, a movable cover arranged on the outer cylinder, an anti-collision mechanism arranged on the outer wall of the inner cylinder and a clamping mechanism arranged on the inner cylinder; the clamping mechanism comprises a connecting rod, a fixed cylinder arranged on the connecting rod, a vertical rod arranged on the fixed cylinder, a pressure rod arranged on the fixed cylinder, a cylinder arranged on the pressure rod, a pressure rod spring arranged on the pressure rod, a pressure rod slide groove arranged on the fixed cylinder, a fixing component arranged on the cylinder, a pressing component arranged on the bottom surface of the fixed cylinder and an anti-slip component arranged on the bottom surface of the fixed cylinder.
[0004] When the equipment is started, under the action of centrifugal force, the cloth will stick tightly to the inner wall of the inner cylinder, but the cloth head is fixed under the fixed cylinder arranged in the middle of the inner cylinder by a clamping structure, so that the cloth head and the cloth need to withstand a large centrifugal force, and the boss arranged in the anti-slip structure may easily cause tearing or straining at the contact position between the cloth head and the boss. Utility Model Content
[0005] The purpose of the utility model is to provide a cloth dehydrating machine for the above-mentioned existing technical problems, which can fix the cloth head and avoid tearing or pulling of the cloth head.
[0006] In view of this, the utility model provides a cloth dehydrating machine, characterized in that it includes:
[0007] A housing, wherein a movable cover is hingedly provided on the upper part of the housing, and a drain pipe is provided below the outer wall of the housing, and a valve is provided on the drain pipe;
[0008] An inner barrel, the inner barrel is rotatably arranged inside the shell, and a plurality of drainage holes are evenly arranged on the side wall of the inner barrel;
[0009] A driving member, wherein the driving member is arranged below the housing, and a driving shaft passes through the bottom surface of the housing and is connected to the inner barrel;
[0010] The clamping structure is arranged on the inner side wall, and a sliding structure is arranged between the clamping structure and the inner barrel side wall, so that the clamping structure can move along the circumference of the inner barrel.
[0011] In the present technical solution, the cloth is placed in the inner barrel, and the cloth is fixed on the inner wall of the inner barrel by a clamping structure arranged above the drainage hole, and can slide on the inner wall of the inner barrel. When the driving member drives the inner barrel to rotate to dehydrate the cloth, the cloth head moves, which can drive the clamping structure to move on the side wall of the inner barrel, reducing the phenomenon of tearing or straining at the contact position between the cloth head and the clamping structure, which is beneficial to improving the production quality of the cloth and making it easier for the operator to find the cloth head when taking out the cloth, which is beneficial to improving production efficiency.
[0012] In the above technical solution, further, the clamping structure includes:
[0013] A mounting plate, wherein the mounting plate is arranged on the side wall of the inner barrel, and a sliding structure is arranged between the mounting plate and the side wall of the inner barrel;
[0014] A clamping plate, wherein the clamping plate is arranged above the mounting plate and connected to the mounting plate by screws;
[0015] Wherein, the bottom surface of the clamping plate can contact the top surface of the mounting plate.
[0016] In the present technical solution, after the cloth is placed in the inner barrel, the cloth head is spread out and folded flat to increase the friction between the cloth head and the clamping structure, and the folded cloth head is laid flat on the top surface of the mounting plate. The cloth head can be clamped by turning the screws between the clamping plate and the mounting plate, and a sliding structure is provided between the mounting plate and the inner wall of the inner barrel, which can drive the mounting plate to move circumferentially along the inner wall of the inner barrel, thereby reducing the phenomenon of tearing or straining at the contact position between the cloth head and the clamping structure, which is beneficial to improving the production quality of the cloth, and locking by the screws can facilitate the operator to clamp the cloth head, thereby improving production efficiency.
[0017] In the above technical solution, further, the sliding structure includes:
[0018] A chute, which is arranged on the inner wall of the inner barrel and is opened above the drainage hole;
[0019] A slider, wherein the slider is slidably disposed in the slide groove, and a side surface of the slider is fixedly connected to a side surface of the mounting plate;
[0020] A pressure ring is detachably arranged above the slide groove to limit the axial movement of the slide block.
[0021] In the present technical solution, the slider is arranged in the slide groove, and the pressure ring is connected to the top surface of the inner barrel to prevent the slider from falling off the slide groove. The slider is connected to the mounting plate, which can drive the mounting plate to move circumferentially along the inner wall of the inner barrel, thereby reducing the tearing or straining phenomenon at the contact position between the cloth head and the clamping structure, which is beneficial to improving the production quality of the cloth.
[0022] In the above technical solution, further, the top surface of the mounting plate is provided with anti-slip grooves.
[0023] In the present technical solution, the anti-slip pattern can further improve the friction between the cloth head and the mounting plate, thereby reducing the risk of the cloth head falling off the clamping structure when the cloth is dehydrated.
[0024] In the above technical solution, further, a shock absorbing assembly is arranged between the inner barrel and the shell.
[0025] In the above technical solution, further, the shock absorbing assembly includes:
[0026] A sleeve barrel, which is sleeved on the outside of the inner barrel and has a plurality of water outlet holes evenly distributed around the bottom of the sleeve barrel;
[0027] A limiting ring, the limiting ring is fixedly arranged on the inner bottom surface of the shell, and a fixing ring opposite to the limiting ring is fixedly arranged on the bottom surface of the sleeve barrel, and the limiting ring can be slidably connected in the fixing ring;
[0028] A limiting structure, which is circumferentially arranged between the outer wall of the barrel and the inner wall of the shell, and is used to limit the swing of the upper part of the barrel;
[0029] The top shock absorbing structure is evenly distributed between the outer wall of the inner barrel and the inner wall of the sleeve barrel in the circumferential direction to limit the swing of the upper part of the inner barrel during dehydration.
[0030] In this technical solution, the cooperation between the limiting structure and the top shock-absorbing structure can reduce the swing and vibration of the inner barrel and the upper part of the sleeve barrel, thereby improving the overall stability and balance. At the same time, the water outlet at the bottom of the sleeve barrel allows the discharged water to flow out smoothly, maintaining the dehydration effect. The shock-absorbing component can reduce vibration and noise, making the dehydration process more stable and efficient.
[0031] In the above technical solution, further, the restriction structure includes:
[0032] Installation grooves, the installation grooves are evenly distributed in the circumferential direction and are opened on the top of the sleeve barrel, and an L-shaped plate is arranged in the installation groove, and the long side of the L-shaped plate faces the inner wall of the shell;
[0033] The U-shaped plate is annularly arranged on the inner wall of the shell, and the long side of the L-shaped plate is slidably arranged in the groove on the U-shaped plate.
[0034] In the technical solution, the cooperation between the L-shaped plate and the U-shaped plate can limit the swing range of the sleeve barrel, maintain the stability of the sleeve barrel, and avoid excessive swing or shaking.
[0035] In the above technical solution, further, the top shock absorbing structure includes:
[0036] Telescopic rods, which are evenly distributed circumferentially between the outer wall of the inner barrel and the inner wall of the sleeve barrel, and are arranged above the drainage hole;
[0037] A spring is sleeved on the telescopic rod to limit the swing of the upper part of the inner barrel.
[0038] In this technical solution, the cooperation between the telescopic rod and the spring can reduce the swing and shaking of the inner barrel during the dehydration process. The telescopic rod connects the inner barrel and the outer barrel, providing additional support and stability. The reaction force of the spring helps to balance the movement of the inner barrel and reduce the generation of vibration and noise.
[0039] The beneficial effects of the utility model are:
[0040] 1. The movement of the cloth head can drive the clamping structure to move on the side wall of the inner barrel, reducing the phenomenon of tearing or straining at the contact position between the cloth head and the clamping structure, which is beneficial to improving the production quality of the cloth and facilitating the operator to find the cloth head when taking out the cloth, which is beneficial to improving production efficiency.
[0041] 2. The cooperation between the limiting structure and the top shock-absorbing structure can reduce the swing and vibration of the inner barrel and the upper part of the sleeve barrel, and improve the overall stability and balance. At the same time, the water outlet at the bottom of the sleeve barrel allows the discharged water to flow out smoothly to maintain the dehydration effect. The shock-absorbing component can reduce vibration and noise, making the dehydration process more stable and efficient. BRIEF DESCRIPTION OF THE DRAWINGS
[0042] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0043] Figure 2 It is a three-dimensional cross-sectional view of the utility model;
[0044] Figure 3 It is a schematic diagram of the connection between the inner barrel and the outer barrel of the utility model;
[0045] Figure 4 This utility model Figure 2 A magnified image of area A;
[0046] Figure 5 This utility model Figure 4 Enlarged view of area b;
[0047] The symbols in the figure are:
[0048] 1. Shell; 2. Movable cover; 3. Drain pipe; 4. Inner barrel; 5. Clamping structure; 501. Mounting plate; 502. Clamping plate; 6. Sliding structure; 601. Pressing ring; 602. Slide groove; 603. Sliding block; 7. Restricting structure; 701. U-shaped plate; 702. L-shaped plate; 8. Bucket sleeve; 9. Top shock-absorbing structure; 901. Telescopic rod; 902. Spring; 11. Driving member; 12. Fixing ring; 13. Limiting ring; 14. Drain hole; 15. Water outlet hole; 16. Anti-slip pattern. DETAILED DESCRIPTION
[0049] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.
[0050] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0051] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0052] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words 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, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.
[0053] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.
[0054] Embodiment 1:
[0055] Depend on Figure 1-Figure 4 As shown, this embodiment provides a cloth dewatering machine, comprising: a shell 1, a movable cover 2 is hingedly provided on the upper part of the shell 1, and a drain pipe 3 is provided below the outer wall of the shell 1, and a valve is provided on the drain pipe 3; an inner barrel 4, the inner barrel 4 is rotatably arranged inside the shell 1, and a plurality of drain holes 14 are evenly distributed on the side wall of the inner barrel 4; a driving member 11, the driving member 11 is arranged below the shell 1, and the driving shaft passes through the bottom surface of the shell 1 and is connected to the inner barrel 4; a clamping structure 5, the clamping structure 5 is arranged on the same inner side wall, and a sliding structure 6 is provided between the clamping structure 5 and the side wall of the inner barrel 4, so that the clamping structure 5 can move circumferentially along the inner barrel 4.
[0056] The cloth is placed in the inner barrel 4, and fixed on the inner wall of the inner barrel 4 by the clamping structure 5 arranged above the drainage hole 14, and can slide on the inner wall of the inner barrel 4. When the driving member 11 drives the inner barrel 4 to rotate to dehydrate the cloth, the movement of the cloth head can drive the clamping structure 5 to move on the side wall of the inner barrel 4, reducing the phenomenon of tearing or straining at the contact position between the cloth head and the clamping structure 5, which is beneficial to improving the production quality of the cloth and making it easy for the operator to find the cloth head when taking out the cloth, which is beneficial to improving production efficiency.
[0057] The clamping structure 5 includes: a mounting plate 501, which is arranged on the side wall of the inner barrel 4, and a sliding structure 6 is arranged between the mounting plate 501 and the side wall of the inner barrel 4; a clamping plate 502, which is arranged above the mounting plate 501 and is connected to the mounting plate 501 by screws; wherein the bottom surface of the clamping plate 502 can contact the top surface of the mounting plate 501.
[0058] After the cloth is placed in the inner barrel 4, the cloth head is spread out and folded flat to increase the friction between the cloth head and the clamping structure 5, and the folded cloth head is laid flat on the top surface of the mounting plate 501. The cloth head can be clamped by screwing the screws between the clamping plate 502 and the mounting plate 501, and a sliding structure 6 is provided between the mounting plate 501 and the inner wall of the inner barrel 4, which can drive the mounting plate 501 to move circumferentially along the inner wall of the inner barrel 4, thereby reducing the tearing or straining phenomenon at the contact position between the cloth head and the clamping structure 5, which is beneficial to improving the production quality of the cloth, and the screws are locked to facilitate the operator to clamp the cloth head, thereby improving the production efficiency.
[0059] Embodiment 2:
[0060] Depend on Figure 1-Figure 4 As shown, this embodiment provides a cloth dehydrating machine, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0061] The sliding structure 6 includes: a slide groove 602, which is arranged on the inner wall of the inner barrel 4 and is opened above the drainage hole 14; a slider 603, which is slidably arranged in the slide groove 602, and the side of the slider 603 is fixedly connected to the side of the mounting plate 501; a pressure ring 601, which is detachably arranged above the slide groove 602 to limit the axial movement of the slider 603.
[0062] The slider 603 is set in the slide groove 602, and the pressure ring 601 is connected to the top surface of the inner barrel 4 to prevent the slider 603 from falling off the slide groove 602. The slider 603 is connected to the mounting plate 501, which can drive the mounting plate 501 to move circumferentially along the inner wall of the inner barrel 4, reducing the tearing or pulling phenomenon at the contact position between the cloth head and the clamping structure 5, which is beneficial to improving the production quality of the cloth.
[0063] The top surface of the mounting plate 501 is provided with anti-skid patterns 16. The anti-skid patterns 16 can further enhance the friction between the cloth head and the mounting plate 501, thereby reducing the risk of the cloth head falling off from the clamping structure 5 when the cloth is dehydrated.
[0064] Embodiment 3:
[0065] Depend on Figure 1-Figure 5 As shown, this embodiment provides a cloth dehydrating machine, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0066] A shock absorbing assembly is arranged between the inner barrel 4 and the shell 1, and the shock absorbing assembly includes: a sleeve barrel 8, which is sleeved on the outside of the inner barrel 4, and a plurality of water outlet holes 15 are evenly distributed circumferentially based on the bottom of the sleeve barrel 8; a limiting ring 13, which is fixedly arranged on the inner bottom surface of the shell 1, and a fixing ring 12 opposite to it is fixedly arranged on the bottom surface of the sleeve barrel 8, and the limiting ring 13 can be slidably connected in the fixing ring 12; a limiting structure 7, which is circumferentially arranged between the outer wall of the sleeve barrel 8 and the inner wall of the shell 1 to limit the swing of the upper part of the sleeve barrel 8; a top shock absorbing structure 9, which is evenly distributed circumferentially between the outer wall of the inner barrel 4 and the inner wall of the sleeve barrel 8 to limit the swing of the upper part of the inner barrel 4 during dehydration.
[0067] The cooperation between the limiting structure 7 and the top shock absorbing structure 9 can reduce the swing and vibration of the inner barrel 4 and the upper part of the sleeve barrel 8, thereby improving the overall stability and balance. At the same time, the water outlet 15 at the bottom of the sleeve barrel 8 allows the discharged water to flow out smoothly, maintaining the dehydration effect. The shock absorbing component can reduce vibration and noise, making the dehydration process more stable and efficient.
[0068] The limiting structure 7 includes: a mounting groove, which is evenly distributed circumferentially and opened on the top of the sleeve barrel 8, and an L-shaped plate 702 is arranged in the mounting groove, and the long side of the L-shaped plate 702 faces the inner wall of the shell 1; a U-shaped plate 701, which is annularly arranged on the inner wall of the shell 1, and the long side of the L-shaped plate 702 is slidably arranged in the groove on the U-shaped plate 701.
[0069] Through the cooperation between the L-shaped plate 702 and the U-shaped plate 701, the swing range of the sleeve barrel 8 can be limited, the stability of the sleeve barrel 8 can be maintained, and excessive swing or shaking can be avoided.
[0070] The top shock-absorbing structure 9 includes: a telescopic rod 901, which is evenly distributed circumferentially between the outer wall of the inner barrel 4 and the inner wall of the sleeve barrel 8, and is arranged above the drainage hole 14; a spring 902, which is sleeved on the telescopic rod 901 to limit the swing of the upper part of the inner barrel 4.
[0071] The cooperation between the telescopic rod 901 and the spring 902 can reduce the swing and shaking of the inner tub 4 during the dehydration process. The telescopic rod 901 connects the inner tub 4 and the sleeve tub 8, providing additional support and stability. The reaction force of the spring 902 helps to balance the movement of the inner tub 4 and reduce the generation of vibration and noise.
[0072] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.
Claims
1. A cloth dehydrating machine, characterized in that ,include: A shell (1), wherein a movable cover (2) is hingedly provided on the upper side of the shell (1), and a drain pipe (3) is provided below the outer wall of the shell (1), and a valve is provided on the drain pipe (3); An inner barrel (4), the inner barrel (4) being rotatably disposed inside the shell (1), and having a plurality of drainage holes (14) evenly distributed on the side wall of the inner barrel (4); A driving member (11), wherein the driving member (11) is arranged below the housing (1), and a driving shaft passes through the bottom surface of the housing (1) and is connected to the inner barrel (4); A clamping structure (5), wherein the clamping structure (5) is arranged on the inner side wall, and a sliding structure (6) is arranged between the clamping structure (5) and the side wall of the inner barrel (4), so that the clamping structure (5) can move along the circumference of the inner barrel (4). A shock absorbing assembly is provided between the inner barrel (4) and the shell (1).
2. A cloth dehydrating machine according to claim 1, characterized in that: The clamping structure (5) comprises: A mounting plate (501), wherein the mounting plate (501) is arranged on the side wall of the inner barrel (4), and a sliding structure (6) is arranged between the mounting plate (501) and the side wall of the inner barrel (4); A clamping plate (502), wherein the clamping plate (502) is disposed above the mounting plate (501) and is connected to the mounting plate (501) via screws; Wherein, the bottom surface of the clamping plate (502) can contact the top surface of the mounting plate (501).
3. A cloth dehydrating machine according to claim 2, characterized in that: The sliding structure (6) comprises: A slide groove (602), wherein the slide groove (602) is arranged on the inner wall of the inner barrel (4) and is opened above the drainage hole (14); A slider (603), wherein the slider (603) is slidably disposed in the slide groove (602), and a side surface of the slider (603) is fixedly connected to a side surface of the mounting plate (501); A pressure ring (601) is detachably arranged above the slide groove (602) to limit the axial movement of the slider (603).
4. A cloth dehydrating machine according to claim 3, characterized in that: The top surface of the mounting plate (501) is provided with anti-slip grooves (16).
5. The cloth dehydrating machine according to claim 1, characterized in that: The shock absorbing assembly comprises: A sleeve barrel (8), wherein the sleeve barrel (8) is sleeved on the outside of the inner barrel (4), and a plurality of water outlet holes (15) are evenly distributed in the circumferential direction of the bottom of the sleeve barrel (8); A limiting ring (13), the limiting ring (13) being fixedly arranged on the inner bottom surface of the shell (1), and a fixing ring (12) opposite to the limiting ring is fixedly arranged on the bottom surface of the sleeve barrel (8), and the limiting ring (13) can be slidably connected in the fixing ring (12); A limiting structure (7), the limiting structure (7) being circumferentially arranged between the outer wall of the sleeve barrel (8) and the inner wall of the shell (1) to limit the swing of the upper part of the sleeve barrel (8); A top shock absorbing structure (9) is evenly arranged in the circumferential direction between the outer wall of the inner barrel (4) and the inner wall of the sleeve barrel (8) to limit the swing of the upper part of the inner barrel (4) during dehydration.
6. A cloth dehydrating machine according to claim 5, characterized in that: The restriction structure (7) comprises: Installation grooves, the installation grooves being evenly distributed in the circumferential direction and opened on the top of the sleeve barrel (8), and an L-shaped plate (702) being arranged in the installation groove, with the long side of the L-shaped plate (702) facing the inner wall of the shell (1); A U-shaped plate (701) is annularly arranged on the inner wall of the shell (1), and the long side of the L-shaped plate (702) is slidably arranged in a groove on the U-shaped plate (701).
7. A cloth dehydrating machine according to claim 6, characterized in that: The top end shock absorbing structure (9) comprises: Telescopic rods (901), the telescopic rods (901) being evenly distributed in the circumferential direction between the outer wall of the inner barrel (4) and the inner wall of the sleeve barrel (8), and being arranged above the drainage hole (14); A spring (902) is sleeved on the telescopic rod (901) to limit the swing of the upper part of the inner barrel (4).
