Filter element replacement structure and top shower

Abstract

The utility model provides a filter element replacement structure and a top shower. The filter element replacement structure comprises a water outlet main body, a sealing cover and a quick release assembly, a mounting cavity communicated with the water passing channel is formed in the water outlet main body; and an opening for mounting the filter element is formed in the mounting cavity. The quick release assembly is installed at the opening of the installation cavity and comprises a locking piece and an unlocking piece. The locking piece is installed close to the periphery of the opening and limits and maintains the state that the sealing cover blocks the opening. The unlocking piece is movably installed in the water outlet body and is in linkage with the locking piece, the unlocking piece is provided with an unlocking switch extending to the periphery of the water outlet body, the unlocking switch is driven to drive the unlocking piece, the unlocking piece drives the locking piece to be switched to the unlocking state, and the sealing cover and the opening are not in the relative fixing state. According to the quick-release water outlet device, the quick-release assembly is arranged, so that the sealing cover can be quickly unlocked, the sealing cover can be conveniently detached, and the replacement and the installation of filter elements of some water outlet devices which are relatively high in installation or are difficult to detach are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen and bathroom, in particular to a filter element replacement structure and a top spray. Background Art

[0002] In pursuit of better water quality, many water dispensers are equipped with a filtering function and have a relatively simple filter element disassembly and replacement structure. However, for some water outlet products with relatively fixed installations, such as overhead showers, their installation positions are generally high, which makes it inconvenient for users to disassemble, assemble and replace the filter elements, resulting in many overhead showers not having a filtering function. For this reason, the utility model provides a structure that is convenient for replacing the filter element. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a structure which is convenient for replacing a filter element.

[0004] In a first aspect, a filter element replacement structure is provided, comprising a water outlet body, a sealing cover and a quick-release assembly.

[0005] The water outlet body is provided with an installation cavity connected to the water channel, and the installation cavity is provided with an opening for installing a filter element. After the filter element is installed, the water flowing through can be filtered.

[0006] The quick-release assembly is installed at the opening of the installation cavity, and includes a locking member and an unlocking member. The locking member is installed near the periphery of the opening to limit and maintain the state of the cover blocking the opening. The unlocking member is movably installed in the water outlet body and linked to the locking member. The unlocking member is provided with an unlocking switch extending to the outer periphery of the water outlet body. The unlocking switch is driven and the unlocking member is driven. The unlocking member drives the locking member to switch to the unlocking state, and the cover and the opening are released from the relatively fixed state, so that the installation cavity can be quickly opened to install or replace the filter element.

[0007] When in use, the user presses or rotates the unlocking switch, thereby driving the locking member to switch from a locked state to an unlocked state through the unlocking member, so that the water outlet body and the cover are in a relatively movable state. After the cover is removed, the filter element of the installation cavity can be replaced, and then the cover only needs to be sealed again for the installation cavity, and the locking member will lock the cover again.

[0008] The utility model can realize quick unlocking of the cover by arranging a quick-release assembly, thereby facilitating the disassembly of the cover, and is beneficial to the replacement and installation of filter elements of some water outlets which are installed high or are difficult to disassemble.

[0009] Preferably, a limiting groove is provided on the periphery of the cover, and a locking tongue is formed at the portion of the locking member facing the axis of the installation cavity, and the locking member is inserted into the limiting groove through the locking tongue to limit the state of the cover blocking the opening.

[0010] Preferably, the limiting groove is an annular groove, so that it can cooperate with the locking member at various angles, thereby improving the convenience during assembly.

[0011] Preferably, in order to improve the sealing degree, a docking joint is provided at one end of the cover facing the installation cavity, and the limiting groove is arranged on the periphery of the docking joint. When the cover blocks the opening, the docking joint is inserted into the opening, and a clearance opening is provided on the periphery of the opening, and the lock tongue enters the installation cavity through the clearance opening and is stuck in the limiting groove.

[0012] Preferably, the locking piece is installed to be movable along the radial direction of the installation cavity, and a first spring is provided between the locking piece and the water outlet body, the first spring pushes the locking piece to move toward the center of the installation cavity, and the unlocking piece drives the locking piece away and further compresses the first spring, at this time, the first spring provides power for the locking piece to reset.

[0013] Preferably, the locking piece is provided with a push rod perpendicular to the moving direction, and the unlocking piece is provided with an unlocking arm extending between the push rod and the mounting cavity, and the unlocking arm gradually becomes thinner in the moving direction of the locking piece, and the end portion is the thinnest. Therefore, when the unlocking arm telescopically moves between the push rod and the mounting cavity, the distance between the push rod and the mounting cavity can be controlled through parts with different thicknesses, thereby realizing the switching action of the locking piece state.

[0014] Preferably, there are two locking members, which are symmetrically arranged on both sides of the installation cavity, and can provide relatively balanced supporting force for the cover. There are also two unlocking arms, and the roots are connected together to form a U shape and are sleeved on the outer periphery of the installation cavity. The unlocking member also reciprocates along the radial direction of the installation cavity. A second spring is arranged between the unlocking member and the water outlet body, and the second spring pushes the unlocking member away from the installation cavity to keep the end of the unlocking arm located between the push rod and the installation cavity, thereby preventing the unlocking member from keeping the locking member in an unlocked state all the time.

[0015] Preferably, in order to provide installation space for the quick-release assembly, the water outlet body is provided with an installation platform around the opening of the installation cavity. The installation platform is provided with two symmetrical radial strip holes, the locking member is movably arranged in contact with the side of the installation platform facing the cover, and the push rod extends through the radial strip holes to the side of the installation platform facing away from the cover. The unlocking member is installed on the side of the installation platform facing away from the cover, and is linked to the push rod. A pressing rod extending to the outside of the water outlet body is provided in the middle of the unlocking member to form the unlocking switch.

[0016] Preferably, in order to achieve rapid removal of the cover or avoid the cover being blocked in the opening and difficult to remove, a pushing assembly is further provided between the water outlet body and the cover, the pushing assembly comprising a pushing rod and a third spring, one end of the pushing rod is telescopically installed in a guide hole of the water outlet body, and the end passes through the guide hole and is provided with an undercut, the other end of the pushing rod is provided with a pushing head, the third spring compression sleeve is arranged between the pushing rods, and pushes the pushing head to support the cover, and when the locking piece is in an unlocked state, the pushing assembly will automatically push out the cover.

[0017] In the second aspect, a top shower is provided, which adopts the filter element replacement structure described in the first aspect, wherein one end of the cover blocks the installation cavity, and the other end forms a water outlet panel, and a water outlet channel is provided in the cover, and the water outlet channel connects the installation cavity and the water outlet panel. When disassembling, it is only necessary to press the unlocking switch, so that the locking member is driven by the unlocking member to switch from the locked state to the unlocked state, so that the water outlet body and the cover are in a relatively movable state. After the cover is disassembled, the filter element of the installation cavity can be replaced, and then it is only necessary to block the installation cavity with the cover again, and the locking member will lock the cover again, thereby improving the convenience of replacing the filter element of the top shower.

[0018] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0019] The utility model can realize quick unlocking of the cover by providing a quick-release assembly, thereby facilitating the disassembly of the cover, which is beneficial for the replacement and installation of filter elements of some water outlets that are installed high or difficult to disassemble;

[0020] The limiting groove of the sealing cover is an annular groove, so that it can cooperate with the locking member at various angles, thereby improving the convenience during assembly;

[0021] A first spring is provided between the locking element and the water outlet body to provide a power for the locking element to reset, so as to automatically limit the position of the cover that blocks the installation cavity again;

[0022] The unlocking of the locking member adopts a push rod and an unlocking arm, wherein the unlocking arm has a terminal end with a gradually changing thickness. By moving the unlocking arm, the locking member can be driven by the push rod to switch to an unlocked state, which has a simple structure and a reliable effect.

[0023] A push-out assembly is also provided, which can automatically push out the cover after it is unlocked, thereby improving the convenience of removing the cover;

[0024] Applying the filter element replacement structure provided by the utility model to a top shower can greatly improve the convenience of replacing the filter element of the top shower. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0026] in:

[0027] Figure 1 Axonometric view of a filter element replacement structure Figure 1 ;

[0028] Figure 2 Axonometric view of a filter element replacement structure Figure 2 ; (Hide the shell)

[0029] Figure 3 It is an explosion of filter replacement structure Figure 1 ;

[0030] Figure 4 It is an explosion of filter replacement structure Figure 2 ;

[0031] Figure 5 It is an explosion of filter replacement structure Figure 3 ;

[0032] Figure 6 It is an explosion of filter replacement structure Figure 4 ;

[0033] Figure 7 It is a top view of a filter element replacement structure;

[0034] Figure 8 A cross-sectional view of a filter element replacement structure Figure 1 ;(about Figure 7 AA)

[0035] Fig. 9 A cross-sectional view of a filter element replacement structure Figure 2 ;(about Figure 7 CC of

[0036] Figures 1 to 9 The symbols are: water outlet body 1, installation cavity 11, opening 12, make way port 13, installation platform 14, radial strip hole 15, cover 2, limit groove 21, docking joint 22, water outlet panel 23, quick release assembly 3, locking piece 31, push rod 311, unlocking piece 32, unlocking switch 321, unlocking arm 322, first spring 33, second spring 34, ejection assembly 4, ejection rod 41, third spring 42, filter element 5. DETAILED DESCRIPTION

[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0038] See also Figures 1 to 9 A filter element 5 replacement structure includes a water outlet body 1, a sealing cover 2 and a quick-release assembly 3.

[0039] The water outlet body 1 is provided with an installation cavity 11 connected to the water channel. The installation cavity 11 is provided with an opening 12 for installing the filter element 5. After the filter element 5 is installed, the water flowing through can be filtered.

[0040] The quick-release assembly 3 is installed at the opening 12 of the installation cavity 11, and includes a locking member 31 and an unlocking member 32. The locking member 31 is installed near the periphery of the opening 12 to limit and maintain the state of the cover 2 blocking the opening 12. The unlocking member 32 is movably installed in the water outlet body 1 and linked to the locking member 31. The unlocking member 32 is provided with an unlocking switch 321 extending to the outer periphery of the water outlet body 1. The unlocking switch 321 is driven and the unlocking member 32 is driven. The unlocking member 32 drives the locking member 31 to switch to the unlocking state, and the cover 2 and the opening 12 are released from the relatively fixed state, so that the installation cavity 11 can be quickly opened to install or replace the filter element 5.

[0041] In this embodiment, the circumference of the cover 2 is provided with a limiting groove 21, and the locking member 31 forms a locking tongue at the portion facing the axis of the installation cavity 11, and the locking member 31 is inserted into the limiting groove 21 through the locking tongue to limit the state of the cover 2 blocking the opening 12. Preferably, the limiting groove 21 is an annular groove, so that it can cooperate with the locking member 31 at various angles, thereby improving the convenience of assembly.

[0042] In one embodiment, in order to improve the sealing degree, a docking head 22 is provided at one end of the cover 2 facing the installation cavity 11, and the limiting groove 21 is arranged on the periphery of the docking head 22. When the cover 2 blocks the opening 12, the docking head 22 is inserted into the opening 12, and a clearance opening 13 is provided on the periphery of the opening 12. The lock tongue enters the installation cavity 11 through the clearance opening 13 and is stuck in the limiting groove 21.

[0043] On the basis of the above embodiments, in order to realize that the quick-release assembly 3 can automatically lock the cover 2, in one embodiment, the locking piece 31 is installed to be movable along the radial direction of the installation cavity 11, and a first spring 33 is provided between the locking piece 31 and the water outlet body 1. The first spring 33 pushes the locking piece 31 to move toward the center of the installation cavity 11, and the unlocking piece 32 drives the locking piece 31 away and further compresses the first spring 33. At this time, the first spring 33 provides the locking piece 31 with power to reset.

[0044] Regarding the specific linkage structure of the locking member 31 and the unlocking member 32, in one embodiment, the locking member 31 is provided with a push rod 311 perpendicular to the movable direction, and the unlocking member 32 is provided with an unlocking arm 322 extending between the push rod 311 and the installation cavity 11, and the unlocking arm 322 gradually becomes thinner in the movable direction of the locking member 31, and the end portion is the thinnest. Therefore, when the unlocking arm 322 telescopically moves between the push rod 311 and the installation cavity 11, the distance between the push rod 311 and the installation cavity 11 can be controlled through different thickness parts, thereby realizing the switching action of the state of the locking member 31.

[0045] In another embodiment, there are two locking members 31, which are symmetrically arranged on both sides of the installation cavity 11, and can provide relatively balanced support force for the cover 2. There are also two unlocking arms 322, and the roots are connected together to form a U shape and are sleeved on the outer periphery of the installation cavity 11. The unlocking member 32 also reciprocates along the radial direction of the installation cavity 11. A second spring 34 is arranged between the unlocking member 32 and the water outlet body 1. The second spring 34 pushes the unlocking member 32 away from the installation cavity 11, and keeps the end of the unlocking arm 322 located between the push rod 311 and the installation cavity 11, thereby preventing the unlocking member 32 from keeping the locking member 31 in an unlocked state all the time.

[0046] On the basis of the above embodiments, in order to provide installation space for the quick-release assembly 3, in one embodiment, the water outlet body 1 is provided with an installation platform 14 around the opening 12 of the installation cavity 11. The installation platform 14 is provided with two symmetrical radial strip holes 15, the locking member 31 is movably arranged in contact with the side of the installation platform 14 facing the cover 2, and the push rod 311 passes through the radial strip holes 15 and extends to the side of the installation platform 14 facing away from the cover 2. The unlocking member 32 is installed on the side of the installation platform 14 facing away from the cover 2, and is linked to the push rod 311. The middle part of the unlocking member 32 is provided with a pressing rod extending to the outside of the water outlet body 1, forming the unlocking switch 321.

[0047] In one embodiment, in order to realize the rapid disassembly of the cover 2, or to prevent the cover 2 from being blocked in the opening 12 and being difficult to remove, a push-out assembly 4 is further provided between the water outlet body 1 and the cover 2, and the push-out assembly 4 includes a push-out rod 41 and a third spring 42. One end of the push-out rod 41 is telescopically installed in a guide hole of the water outlet body 1, and the end passes through the guide hole, and is provided with an undercut to prevent the push-out rod 41 from completely detaching from the guide hole. The other end of the push-out rod 41 is provided with a push-out head, and the third spring 42 is compressed and sleeved between the push-out rod 41, and pushes the push-out head to hold the cover 2. When the locking member 31 is in the unlocked state, the push-out assembly 4 will automatically push out the cover 2.

[0048] When in use, the user presses or rotates the unlocking switch 321, thereby driving the locking member 31 to switch from a locked state to an unlocked state through the unlocking member 32, so that the water outlet body 1 and the cover 2 are in a relatively movable state. After the cover 2 is removed, the filter element 5 of the installation cavity 11 can be replaced, and then the cover 2 only needs to be sealed with the installation cavity 11 again, and the locking member 31 will lock the cover 2 again.

[0049] In one embodiment, a top shower is provided, which adopts the above-mentioned filter element 5 replacement structure, wherein one end of the cover 2 blocks the installation cavity 11, and the other end forms a water outlet panel 23, and a water outlet channel is provided in the cover 2, and the water outlet channel connects the installation cavity 11 and the water outlet panel 23. When disassembling, it is only necessary to press the unlocking switch 321, so that the locking member 31 is driven by the unlocking member 32 to switch from the locked state to the unlocked state, so that the water outlet body 1 and the cover 2 are in a relatively movable state, and after the cover 2 is disassembled, the filter element 5 of the installation cavity 11 can be replaced, and then it is only necessary to block the installation cavity 11 again with the cover 2, and the locking member 31 will lock the cover 2 again, thereby improving the convenience of replacing the filter element 5 of the top shower.

[0050] The utility model can realize quick unlocking of the cover 2 by providing a quick-release assembly 3, thereby facilitating the disassembly of the cover 2, and is beneficial to the replacement and installation of the filter element 5 of some water outlets which are installed high or difficult to disassemble.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0055] In the present utility model, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0056] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A filter element replacement structure, characterized in that: It includes a water outlet body, a sealing cover and a quick-release assembly; The water outlet body is provided with an installation cavity connected to the water passage, and the installation cavity is provided with an opening for the filter element to be installed; The quick-release assembly is installed at the opening of the installation cavity and includes a locking member and an unlocking member; The locking piece is installed close to the periphery of the opening to limit and maintain the state of the cover blocking the opening; the unlocking piece is movably installed in the water outlet body and linked to the locking piece, and the unlocking piece is provided with an unlocking switch extending to the outer periphery of the water outlet body, driving the unlocking switch and driving the unlocking piece, and the unlocking piece drives the locking piece to switch to the unlocking state, and the cover and the opening are released from the relatively fixed state.

2. A filter element replacement structure according to claim 1, characterized in that: A limiting groove is arranged on the periphery of the cover, and a locking tongue is formed at the part of the locking member facing the axis of the installation cavity. The locking member is inserted into the limiting groove through the locking tongue to limit the state of the cover blocking the opening.

3. A filter element replacement structure according to claim 2, characterized in that: The limiting groove is an annular groove.

4. A filter element replacement structure according to claim 2, characterized in that: The cover is provided with a docking head at one end facing the installation cavity, and the limiting groove is arranged on the periphery of the docking head. When the cover blocks the opening, the docking head is inserted into the opening, and a clearance opening is provided on the periphery of the opening, and the locking tongue enters the installation cavity through the clearance opening and is stuck in the limiting groove.

5. A filter element replacement structure according to claim 1, characterized in that: The locking piece is movably installed along the radial direction of the installation cavity, and a first spring is provided between the locking piece and the water outlet body. The first spring pushes the locking piece to move toward the center of the installation cavity, and the unlocking piece drives the locking piece away and further compresses the first spring.

6. A filter element replacement structure according to claim 5, characterized in that: The locking piece is provided with a push rod perpendicular to the moving direction, and the unlocking piece is provided with an unlocking arm extending between the push rod and the installation cavity, and the unlocking arm gradually becomes thinner in the moving direction of the locking piece, and the end portion is the thinnest; the unlocking arm telescopically moves between the push rod and the installation cavity, and controls the distance between the push rod and the installation cavity through different thickness parts.

7. A filter element replacement structure according to claim 6, characterized in that: There are two locking pieces, which are symmetrically arranged on both sides of the installation cavity; there are also two unlocking arms, which are connected at the roots to form a U-shape and are sleeved on the outer periphery of the installation cavity, and the unlocking piece also reciprocates along the radial direction of the installation cavity; a second spring is arranged between the unlocking piece and the water outlet body, and the second spring pushes the unlocking piece away from the installation cavity to keep the end of the unlocking arm located between the push rod and the installation cavity.

8. A filter element replacement structure according to claim 7, characterized in that: The water outlet body is provided with a mounting platform around the opening of the mounting cavity; the mounting platform is provided with two symmetrical radial strip holes, the locking piece is movably arranged in contact with a side of the mounting platform facing the cover, and the push rod extends through the radial strip holes to the side of the mounting platform facing away from the cover; the unlocking piece is installed on the side of the mounting platform facing away from the cover, and is linked to the push rod; a pressing rod extending to the outside of the water outlet body is provided in the middle of the unlocking piece to form the unlocking switch.

9. The filter element replacement structure according to claim 1, characterized in that: An ejection assembly is also provided between the water outlet body and the sealing cover, and the ejection assembly includes an ejection rod and a third spring. One end of the ejection rod is telescopically installed in a guide hole of the water outlet body, and the end passes through the guide hole and is provided with an undercut. The other end of the ejection rod is provided with an ejection head. The third spring compression sleeve is arranged between the ejection rods and pushes the ejection head to support the sealing cover.

10. A top shower, characterized in that: The filter element replacement structure according to any one of claims 1 to 9 is adopted, wherein one end of the cover blocks the installation cavity and the other end forms a water outlet panel, and a water outlet channel is provided in the cover, and the water outlet channel connects the installation cavity and the water outlet panel.

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