Filter cartridge assembly of washing equipment and washing equipment
By using the unlocking member to drive the locking member to rotate in the filter box assembly of the washing equipment, the problem of tools required for opening of the filter box cover in the prior art and misoperation of children is solved, and safety and operation convenience are achieved.
Patent Information
- Application Number
- CN202410041044.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-10
- Publication Date
- 2025-07-11
AI Technical Summary
The filter box cover of existing washing equipment needs to be opened through tools, which can easily lead to deformation and damage of the snap ribs and pose safety risks of children's misoperation.
A filter box assembly for washing equipment is designed, and the cover is opened by using the unlocking member to drive the locking member to rotate to avoid misoperation of children. It has a simple structure and is easy to operate.
It improves the safety and service life of the filter box assembly, avoids misoperation of children and damage to the cover, and the operation process is simple.
Smart Images
Figure CN120291324A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of washing equipment, and particularly relates to a filter box assembly for a washing equipment and a washing equipment with a covered filter box assembly. Background Art
[0002] After the operation of a drum washing machine is completed, a drainage pump is required to drain the washing water in the drum into the sewer through a drain pipe. A filter is provided at the drainage pump, and its main function is to filter debris to prevent the drainage pump from being blocked. The filter will filter and collect impurities such as lint, buttons, and coins in the washing water. Generally, users will regularly open the filter box cover to clean the collected lint and the like.
[0003] In order to facilitate the cleaning of impurities such as lint in the filter, the filter is provided at the lower part of the front side of the box body. Currently, the filter box cover is generally engaged with the box body and usually requires tools to open. For example, tools such as a key, a coin, or a flat-head screwdriver can be used to press down at the notch on the box cover, so that the buckle rib opposite to the notch at the rear side of the box cover bends downward to disengage from the buckle rib position on the filter box body, thereby the box cover can be opened. However, this way of opening the box cover will cause the buckle rib on the box cover to deform and be damaged over time, resulting in the box cover being unable to be closed again; this may also cause children to accidentally operate the filter, resulting in the leakage of washing water during drainage.
[0004] The above information disclosed in this background art is only used to increase the understanding of the background art of the present application. Therefore, it may include prior art that is not known to those of ordinary skill in the art. Summary of the Invention
[0005] In view of the above problems in the prior art, the present invention provides a filter box assembly for a washing equipment, and the cover body needs to be rotated and opened by an unlocking member, which avoids accidental operation by children, makes the opening operation process simple, and increases safety.
[0006] To achieve the above-mentioned invention purpose, the present invention adopts the following technical solutions: A filter box assembly for a washing equipment, comprising: A box body; A cover body, which is disposed at the open end of the box body in an openable and closable manner; A locking member, which is used for locking between the cover body and the box body; An unlocking member, which can drive the rotation of the locking member to achieve locking or unlocking of the locking member; The locking member has a lock rod rotatably disposed on the cover body and a lock head assembled on the lock rod, and a locking structure for achieving locking is provided between the lock head and the box body.
[0007] In some embodiments of the present application, the locking structure has a retaining convex provided on the lock head and extending radially outward, and a retaining portion is provided on the box body to stop in front of the retaining convex.
[0008] In some embodiments of the present application, a locking opening for the lock head to pass through is formed on the box body. The locking opening has a locking round hole and an extension groove extending outward along the edge of the locking round hole. The extension groove is for the retaining convex to pass through, and a region near the locking round hole on the box body forms the retaining portion.
[0009] In some embodiments of the present application, a through hole for the lock rod to pass through is formed on the cover body. The lock head is located at the rear side of the through hole and is assembled and fixed with the lock rod.
[0010] In some embodiments of the present application, the lock rod has a rod body passing through the through hole and a retaining edge provided at the front end of the rod body. The retaining edge is located at the front side of the through hole and extends radially outward.
[0011] In some embodiments of the present application, the unlocking member has an unlocking rod and an unlocking convex extending radially outward along the unlocking rod. An unlocking first groove matching the unlocking rod and an unlocking second groove matching the unlocking convex are provided on the retaining edge, and the unlocking first groove and the unlocking second groove are communicated.
[0012] In some embodiments of the present application, the unlocking member further has a positioning rod extending backward along the rear end of the unlocking rod. A positioning hole communicated with the unlocking first groove is formed on the rod body, and the positioning rod is matched with the positioning hole; the cross-sectional area of the positioning rod is smaller than the cross-sectional area of the unlocking rod.
[0013] In some embodiments of the present application, the unlocking member further has a hand grip for applying force, and the hand grip is connected to the unlocking rod.
[0014] In some embodiments of the present application, a protection edge surrounding the outside of the through hole and extending forward is provided on the cover body. The retaining edge is rotatably located inside the protection edge, and the dimension of the protection edge in the axial direction of the through hole is larger than the dimension of the retaining edge in the axial direction of the through hole.
[0015] In some embodiments of the present application, a first limiting rib and a second limiting rib for limiting the rotation range of the retaining edge are provided inside the protection edge. One ends of the first limiting rib and the second limiting rib close to each other are connected by an arc edge, and the arc edge is matched with the outer side surface of the retaining edge.
[0016] In some embodiments of the present application, the lock head has a lock body sleeved outside the rod body. An assembly groove for accommodating the rod body is provided on the lock body. A limiting rib extending radially outward is provided on the rod body, and a limiting groove extending radially outward is provided at the assembly groove. The limiting rib is located in the limiting groove.
[0017] In some embodiments of the present application, an avoidance notch matching the limiting rib is provided at the through hole. The avoidance notch is used to limit the rotation range of the locking member.
[0018] In some embodiments of the present application, the lock rod and the lock head are fixed by a fastener. A fastening hole matching the fastener is provided on the lock rod, and a through hole for the fastener to pass through is provided on the lock head.
[0019] In some embodiments of the present application, a receiving groove for receiving the end of the fastener is provided at the rear end of the lock rod. The receiving cavity is coaxially arranged with the assembly groove.
[0020] In some embodiments of the present application, it further includes a decorative plate fixed to the front side of the cover body.
[0021] Based on the above-mentioned filter cartridge assembly of the washing device, the present invention further provides a washing device having the above-mentioned filter cartridge assembly. The cover body needs to be rotated and opened by an unlocking member, which avoids misoperation by children, makes the opening operation process simple, and increases safety.
[0022] A washing device has a box body, and the above-mentioned filter cartridge assembly is provided on the box body.
[0023] In some embodiments of the present application, an installation opening for installing the filter cartridge assembly is provided on the front plate of the box body. An installation edge extending outward is provided at the open end of the box body. A folded edge extending inward by bending is provided at the installation opening. The folded edge is located behind the installation edge.
[0024] In some embodiments of the present application, a buckle engaging with the folded edge is provided on the box body. The buckle is located behind the folded edge. The buckle has a deformable buckle body and a plurality of clamping plates extending outward along the body. The plurality of clamping plates are arranged in parallel in the front-rear direction.
[0025] Compared with the prior art, the advantages and positive effects of the present invention are as follows: By driving the rotation of the locking member through the unlocking member, the unlocking of the locking member can be achieved, and the cover body can be opened; The need to use the unlocking member can avoid the accidental opening of the cover body when children are playing, increasing safety; And the opening operation process of the cover body is simple and easy to operate; During the opening process, there is no damage to the structure, which is beneficial to ensuring the service life of the filter cartridge assembly. By cooperating the unlocking member with the locking member and rotating the unlocking member to drive the rotation of the locking member, the locking between the locking member and the cartridge body can be released, enabling the cover body to be opened.
[0026] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become clearer. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0028] Figure 1 It is a schematic structural diagram of an embodiment of a filter cartridge assembly of a washing device proposed by the present invention; Figure 2 For Figure 1 a rear view structural diagram; Figure 3 For Figure 2 an enlarged structural diagram of area A in; Figure 4 For Figure 1 a sectional structural diagram; Figure 5 For Figure 4 an enlarged structural diagram of area B in; Figure 6 It is an exploded structural diagram of the filter cartridge assembly; Figure 7 For Figure 6 an enlarged structural diagram of area C in; Figure 8 For Figure 7 a sectional structural diagram in; Figure 9 For Figure 7 a structural diagram after removing the locking member in; Figure 10 It is an exploded structural diagram of the locking member; Figure 11 It is a structural diagram of the lock rod; Figure 12 ForFigure 11 A schematic cross-sectional structure diagram; Figure 13 A schematic structure diagram of the lock head; Figure 14 is Figure 13 A schematic cross-sectional structure diagram; Figure 15 A schematic cross-sectional structure diagram of the unlocking member; Among them, the filter box assembly 100; The box body 10; the locking port 11; the locking round hole 111; the extension groove 112; the stopping portion 12; the mounting edge 13; the buckle 14; the buckle body 141; the clamping plate 142; the mounting surface 1421; the engaging surface 1422; The cover body 20; the through hole 21; the avoiding notch 211; the protection edge 22; the first limiting rib 221; the second limiting rib 222; the arc-shaped edge 223; The locking member 30; the lock rod 31; the rod body 311; the positioning hole 3111; the fastening hole 3112; the retaining edge 312; the first unlocking groove 3121; the second unlocking groove 3122; the limiting rib 313; the lock head 32; the lock body 321; the assembly groove 3211; the limiting groove 3212; the through hole 3213; the accommodating groove 3214; the retaining protrusion 322; the fastener 33; The unlocking member 40; the unlocking rod 41; the unlocking protrusion 42; the positioning rod 43; the handgrip 44; The decorative plate 50; The front plate 210; the mounting opening 211; the folded edge 212. Embodiment
[0029] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the positional relationship shown in the accompanying drawings, with the direction close to the axis of the locking member being "in" and the opposite being "out". The terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.
[0031] In the present invention, unless otherwise clearly specified or limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] In the present invention, unless otherwise clearly specified or limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.
[0033] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.
[0034] See Figures 1 - 15 , which is an embodiment of a filter cartridge assembly of a washing device proposed by the present invention. A filter cartridge assembly 100 of a washing device includes: a cartridge body 10, a cover body 20, a locking member 30 and an unlocking member 40. The cover body 20 is disposed at the open end of the cartridge body 10 in an openable and closable manner. The locking member 30 is used for locking between the cover body 20 and the cartridge body 10. The unlocking member 40 can drive the rotation of the locking member 30 to achieve the locking or unlocking of the locking member 30. The locking and unlocking between the locking member 30 and the cartridge body 10 both need to be achieved by the unlocking member 40 driving the rotation of the locking member 30. The locking member 30 is rotatably disposed on the cover body 20. The locking member 30 has a lock rod 31 rotatably disposed on the cover body 20 and a lock head 32 assembled on the lock rod 31. A locking structure for achieving locking is provided between the lock head 32 and the cartridge body 10.
[0035] In this embodiment, the washing device can be a washing machine or other washing devices. By driving the rotation of the locking member 30 with the unlocking member 40, the unlocking and locking of the locking member can be achieved, and the cover body 20 can be opened after unlocking. The unlocking member 40 is required for unlocking, which can avoid the accidental opening of the cover body 20 by children during play, increasing safety. Moreover, the opening operation process of the cover body 20 is simple and easy to operate. During the opening process, there is no damage to the structure, which is beneficial to ensuring the service life of the filter cartridge assembly 100. By cooperating the unlocking member 40 with the locking member 30 and rotating the unlocking member 40 to drive the rotation of the locking member 30, the locking between the locking member 30 and the box body 10 can be released, enabling the cover body 20 to be opened.
[0036] In some embodiments of the present application, as shown in Figure 3 , Figure 10 and Figure 13 shown, the locking structure has a retaining convex 322 provided on the lock head 32 and extending radially outward, and a retaining portion 12 provided on the box body 10 to retain the front side of the retaining convex 322. By rotating the locking member 30, the retaining convex 322 can reach the rear of the retaining portion 12, preventing the forward movement of the retaining convex 322 and achieving locking. After the locking member 30 rotates, the retaining convex 322 leaves the rear of the retaining portion 12, allowing the retaining convex 322 to move forward. At this time, the cover body 20 can be opened, and the cover body 20 drives the locking member 30 to move forward together.
[0037] In some embodiments of the present application, as shown in Figure 3 and Figure 6 shown, a locking opening 11 for the lock head 32 to pass through is formed on the box body 10. The locking opening 11 has a locking round hole 111 and an extension groove 112 extending outward along the edge of the locking round hole 111. The lock head 32 has a lock body 321 and a retaining convex 322 extending radially outward along the lock body 321. The locking round hole 111 is arranged to match the lock body 321 for the lock body 321 to pass through, and the extension groove 112 is for the retaining convex 322 to pass through. The area on the box body 10 near the locking round hole 111 forms the retaining portion 12, that is, the area on the box body 10 covered when the locking member 30 rotates is the retaining portion 12. When the cover body 20 is closed, the lock head 32 passes through the locking opening 11 and extends backward, so that the retaining convex 322 is located behind the locking opening 11. Then the locking member 30 rotates, driving the retaining convex 322 to rotate together and reach the rear of the retaining portion 12, preventing the retaining portion 12 from moving forward and achieving locking.
[0038] In some embodiments of the present application, the locking member 30 has a lock rod 31 and a lock head 32 which are assembled. A through hole 21 for the lock rod 31 to pass through is formed in the cover body 20. The lock head 32 is located at the rear side of the through hole 21, and the lock head 32 is fixedly assembled with the lock rod 32. By providing the split assembly of the lock rod 31 and the lock head 32, it is convenient for the simplicity of the process forming and for the installation onto the cover body 20.
[0039] In some embodiments of the present application, the lock rod 31 has a rod body 311 passing through the through hole 21 and a retaining edge 312 provided at the front end of the rod body 311. The retaining edge 312 is located at the front side of the through hole 21 and extends radially outward. The locking member 30 is rotatably installed at the through hole 21. The retaining edge 312 being located at the front side of the through hole 21 is beneficial to the stability of the locking member 30 after installation.
[0040] In some embodiments of the present application, the unlocking member 40 has an unlocking rod 41 and an unlocking protrusion 42 extending radially outward along the unlocking rod 41. An unlocking slot 3121 matching the unlocking rod 41 and an unlocking slot 3122 matching the unlocking protrusion 42 are provided on the retaining edge 312, and the unlocking slot 3121 and the unlocking slot 3122 are communicated. The unlocking rod 41 is cylindrical, and the unlocking slot 3121 is a circular slot. In order to transmit the torque applied on the unlocking member 40 to the lock rod 31, the radially outward extending unlocking protrusion 42 and the matching unlocking slot 3122 are provided to drive the rotation of the lock rod 31, and the lock head 32 rotates together with the lock rod 31. By providing the unlocking slot 3121 and the unlocking slot 3122 on the retaining edge 312, the size of the unlocking protrusion 42 in the radial direction can be increased, so that the force arm during rotation is lengthened and the torque is increased, which is beneficial to reducing the force applied by rotating the unlocking member 40 and making the locking and unlocking operations of the locking member 30 simple.
[0041] In some embodiments of the present application, the unlocking member 40 further has a positioning rod 43 extending backward along the rear end of the unlocking rod 41. A positioning hole 3111 communicated with the unlocking slot 3121 is formed in the rod body 311, and the positioning rod 43 is arranged to match the positioning hole 3111. The provision of the positioning rod 43 and the positioning hole 3111 is beneficial to the stability of the unlocking member 40 after being inserted from the front end of the lock rod 31 and is also beneficial to the insertion positioning of the unlocking member 40. The positioning hole 3111 is formed in the rod body 311, and the size of the positioning hole 3111 is limited by the thickness of the rod body 311. The cross-sectional area of the positioning rod 43 is smaller than the cross-sectional area of the unlocking rod 41. The unlocking member 40 further has a handgrip 44 for applying force, and the handgrip 44 is connected to the unlocking rod 41.
[0042] In some embodiments of the present application, a protective edge 22 surrounding the outside of the through hole 21 is provided on the cover body 20. The protective edge 22 extends forward. The blocking edge 312 is rotatably located within the protective edge 22. The dimension of the protective edge 22 in the axial direction of the through hole 21 is greater than the dimension of the blocking edge 312 in the axial direction of the through hole 21, ensuring that the blocking edge 312 can rotate within the space surrounded by the protective edge 22. In the present application, the axis of the through hole 21 is arranged front and back, and the axis of the locking member 30 is also arranged in the front and back direction.
[0043] In some embodiments of the present application, a first limiting rib 221 and a second limiting rib 222 for limiting the rotation range of the blocking edge 312 are provided within the protective edge 22. The blocking edge 312 is rotatably located between the first limiting rib 221 and the second limiting rib 222. One side of the protective edge 22 is attached to the first limiting rib 221, and the locking member 30 is in the open state. In the front and back direction, the blocking protrusion 322 and the extension groove 112 correspond to each other; when the other side of the protective edge 22 is attached to the second limiting rib 222, the locking member 30 is in the locked state. The mutually approaching ends of the first limiting rib 221 and the second limiting rib 222 are connected by an arc-shaped edge 223, and the arc-shaped edge 223 is arranged to match the outer side surface of the blocking edge 322.
[0044] In some embodiments of the present application, the lock head 32 has a lock body 321 sleeved outside the rod body 311, and a blocking protrusion 322 extending radially outward is provided on the lock body 321; an assembly groove 3211 for accommodating the rod body 311 is formed at the front part of the lock body 321. Preferably, the rod body 311 and the lock body 321 are coaxial. A limiting rib 313 extending radially outward is provided on the rod body 311, and a limiting groove 3212 extending radially outward is provided at the assembly groove 3211. The limiting rib 313 is located within the limiting groove 3212. By providing the limiting rib 313 and the limiting groove 3212, the torque on the lock rod 31 is transmitted to the lock head 32, enabling the lock rod 31 to drive the lock head 32 to rotate.
[0045] In some embodiments of the present application, an avoidance notch 211 matching the limiting rib 313 is provided at the through hole 21. The avoidance notch 211 is used to limit the rotation range of the locking member 30; such that the limiting rib 313 can only rotate within the avoidance notch 211.
[0046] In some embodiments of the present application, referring to Figure 5 As shown, the lock rod 31 and the lock head 32 are fixed by a fastener 33. A fastening hole 3112 matching the fastener 33 is provided on the lock rod 31, and a through hole 3213 for the fastener 33 to pass through is formed on the lock head 32. A receiving groove 3214 for receiving the end of the fastener 33 is provided at the rear end of the lock rod 31, and the receiving groove 3214 is coaxially arranged with the assembly groove 3211.
[0047] In some embodiments of the present application, the filter cartridge assembly 100 is provided on the front panel 210 of the cabinet of the washing device. The filter cartridge assembly 100 further includes a decorative plate 50 fixedly provided on the front side of the cover body 20. After the decorative plate 50 is fixed, the front end face of the cover body 20 is covered, so that the retaining edge 312 is hidden and not exposed, avoiding misoperation. The lower end of the cover body 20 is hinged to the cartridge body 10, and the cover body 20 is opened by rotating the cover body 20.
[0048] In some embodiments of the present application, an installation opening 211 for installing the filter cartridge assembly 100 is provided on the front panel 210. An installation edge 13 extending outward is provided at the open end of the cartridge body 10. A folded edge 212 extending inward by bending is provided at the installation opening 211, and the folded edge 212 is located behind the installation edge 13. A buckle 14 engaged with the folded edge 212 is provided on the cartridge body 10. The buckle 14 is located behind the folded edge 212, so that the folded edge 212 is clamped between the installation edge 13 and the buckle 14, realizing the installation and fixation of the cartridge body 10. The buckle 14 has a deformable buckle body 141 and a plurality of clamping plates 142 extending outward along the buckle body 141. The plurality of clamping plates 142 are arranged in parallel in the front-rear direction. The clamping plate 142 has an installation surface 1421 inclined upward in the forward direction and a clamping surface 1422 arranged vertically. When the cartridge body 10 is installed, it is installed into the installation opening 211 from front to back. The inner side of the folded edge 212 abuts against the installation surface 1422 of the clamping plate 142, and the folded edge 212 applies an inward pressure to the clamping plate 142, causing the buckle 14 to deform inward. After the buckle 14 passes through the folded edge 212 backward, the deformation of the buckle 14 is reset, so that the clamping surface 1422 is located behind the folded edge 212 and the installation edge 13 is located in front of the folded edge 212, so that the cartridge body 10 is installed and fixed to the front panel 210.
[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions required to be protected by the present invention.
Claims
1. A filter cartridge assembly for a washing device, characterized in that, Comprising: A box body; A cover body, which is arranged at the open end of the box body in an openable and closable manner; A locking member, which is used for locking between the cover body and the box body; An unlocking member, which can drive the rotation of the locking member to achieve the locking or unlocking of the locking member; The locking member has a lock rod rotatably arranged on the cover body and a lock head assembled on the lock rod, and a locking structure for achieving locking is arranged between the lock head and the box body.
2. The filter cartridge assembly according to claim 1, wherein The locking structure has a retaining convex arranged on the lock head and extending radially outward, and a retaining portion arranged on the box body to block the front side of the retaining convex.
3. The filter cartridge assembly according to claim 2, wherein, A locking opening for the lock head to pass through is formed on the box body. The locking opening has a locking round hole and an extension groove extending outward along the edge of the locking round hole. The extension groove is for the retaining convex to pass through, and a region near the locking round hole on the box body forms the retaining portion.
4. The filter cartridge assembly according to any one of claims 1 to 3, characterized in that A through hole for the lock rod to pass through is formed on the cover body. The lock head is located at the rear side of the through hole and is fixedly assembled with the lock rod. The lock rod has a rod body passing through the through hole and a retaining edge arranged at the front end of the rod body. The retaining edge is located at the front side of the through hole and extends radially outward.
5. The filter cartridge assembly according to claim 4, wherein, The unlocking member has an unlocking rod and an unlocking convex extending radially outward along the unlocking rod. An unlocking first groove matching the unlocking rod and an unlocking second groove matching the unlocking convex are arranged on the retaining edge, and the unlocking first groove and the unlocking second groove are communicated.
6. The filter cartridge assembly according to claim 5, characterized in that, The unlocking member further has a positioning rod extending backward along the rear end of the unlocking rod. A positioning hole communicated with the unlocking first groove is formed on the rod body, and the positioning rod is arranged in a matching manner with the positioning hole; the cross-sectional area of the positioning rod is smaller than the cross-sectional area of the unlocking rod.
7. The filter cartridge assembly according to claim 4, wherein A protection edge surrounding the outside of the through hole and extending forward is arranged on the cover body. The retaining edge is rotatably located inside the protection edge, and the dimension of the protection edge in the axial direction of the through hole is larger than the dimension of the retaining edge in the axial direction of the through hole.
8. The filter cartridge assembly according to claim 4, wherein The lock head has a lock body sleeved outside the rod body. An assembly groove for accommodating the rod body is formed on the lock body. A limiting rib extending radially outward is arranged on the rod body, and a limiting groove extending radially outward is arranged at the assembly groove. The limiting rib is located inside the limiting groove.
9. The filter cartridge assembly according to claim 8, wherein, An avoidance notch matching the limiting rib is arranged at the through hole, and the avoidance notch is used for limiting the rotation range of the locking member.
10. A washing device, characterized in that, There is a box body, and the filter cartridge assembly according to any one of claims 1 to 9 is arranged on the box body.