Device capable of easily replacing filter element

Abstract

The device comprises a body, the filter element and a shell, the upper end of the body can be inserted into the shell, the filter element can be connected with the body in a matched mode, a first matching part is arranged on the periphery of the body, a second matching part is arranged on the inner periphery of the shell, and the first matching part and the second matching part are matched with each other. The first matching part can be connected with the second matching part in a matching manner, and the spring can act on the filter element and / or the body; the body is pushed relative to the shell, so that the body and the shell can be fixed and separated under the matching of the spring, the first matching part and the second matching part, and the filter element can be quickly assembled and disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to an easy filter core replacement device, which can be applied to the use of a shower head. BACKGROUND

[0002] At present, most of the filter shower heads on the market divide the shower head into a shell part and a body part, the filter core is placed between the shell and the body for filtering, and then the body and the shell are basically installed in a threaded screwing or screwing or double-button unlocking mode, so that the user needs to operate with both hands when replacing the filter core and it is relatively inconvenient, and there is also the problem that it is difficult to remove the filter core after installation. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide an easy filter core replacement device.

[0004] The utility model realizes the following technical scheme:

[0005] An easy filter core replacement device, comprising a body, a filter core and a shell, the upper end of the body being capable of being inserted into the shell, the filter core being capable of being connected with the body, a first matching component being arranged on the outer periphery of the body, a second matching component being arranged on the inner periphery of the shell, the first matching component being capable of being connected with the second matching component, further comprising a spring, the spring being capable of acting on the filter core and / or the body; the body is pushed relative to the shell, and the body and the shell can be fixed and separated under the cooperation of the spring, the first matching component and the second matching component.

[0006] In the embodiment of the utility model, the first matching component is a guide block arranged on the outer periphery of the body, and the second matching component is a track groove arranged on the inner periphery of the shell.

[0007] In the embodiment of the utility model, the track grooves in W shape are arranged annularly on the inner peripheral wall of the shell, the opening of the track groove in W shape faces downward, an opening is arranged between the two adjacent track grooves, and a spring is arranged in the shell; the outer peripheral wall of the body is provided with a guide block capable of being guided into or out of the track groove from the opening, when the body is moved upward and inserted into the shell, the guide block can slide into the first inflection point of the track groove through the opening, under the action of the spring, the guide block is guided from the first inflection point to the second inflection point, the body and the shell are fixed, the body is pushed upward relative to the shell again, the guide block slides from the second inflection point to the third inflection point, under the action of the spring, the guide block slides from the third inflection point to another opening, so that the guide block slides out of the track groove, and the body and the shell are separated.

[0008] In the embodiment of the utility model, a rotating ring is arranged on the outer periphery of the body, and the guide block is arranged on the outer periphery of the rotating ring; when the body is installed or dismounted relative to the shell, the rotating ring can rotate relative to the body and the shell.

[0009] In the embodiment of the utility model, the outer periphery of the body is further provided with an annular groove, the rotating ring is arranged in the annular groove, and the rotating ring can rotate in the annular groove.

[0010] In the embodiment of the utility model, the opening can be connected with the inclined surface of the track groove entry end, so that the guide block is slid into the first inflection point after being matched with the inclined surface when being guided into the opening.

[0011] In the embodiment of the utility model, the inner circumferential wall of the shell on both sides below the opening is provided with a guide inclined surface, and the guide inclined surface can drive the guide block to move towards the opening direction when being inserted into the shell.

[0012] In the embodiment of the utility model, the filter core is further provided with a sealing ring between the upper end and the inner circumferential wall of the shell, and a sealing ring is also arranged between the lower end of the filter core and the inner circumferential wall of the water inlet end of the body.

[0013] In the embodiment of the utility model, the top disc is further arranged in the shell, a flange is arranged on the outer periphery of the top disc, a stepped surface capable of being matched with the flange is arranged on the inner top of the shell, the spring is arranged between the shell and the top spray, and the upper end of the filter core can be abutted and matched with the lower end of the top disc.

[0014] In the embodiment of the utility model, the shell can be sleeved on the outer periphery of the shell, a spherical joint is connected to the water inlet end of the shell, and the water flow passes through the filter core and is discharged through the body.

[0015] In the embodiment of the utility model, the decorative cover is further arranged, the upper end of the decorative cover can be sleeved on the outer periphery of the lower end of the shell, and the lower end of the decorative cover can be sleeved on the outer periphery of the body.

[0016] The device for easily replacing the filter core has the following beneficial effects: the user can quickly replace the filter core in the shower head without taking down the whole shower head, and the filter core is matched with the elastic mechanism above, so that the filter core can be easily taken out. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0018] Figure 1 It is the schematic diagram of the utility model state one.

[0019] Figure 2 It is the schematic diagram of the utility model state two.

[0020] Figure 3 is a sectional view of the present application.

[0021] Figure 4 is a schematic diagram of the installation process in the present application.

[0022] Figure 5 is a schematic diagram of the dismounting process in the present application.

[0023] Figure 6 is a partial exploded view in the present application. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents the selected embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms “first” and “second” are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with “first” and “second” can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of “multiple” is two or more, unless otherwise specifically limited.

[0027] In the utility model, unless another definite provision and limitation, the term "installation", "link", "connection", "fixing" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element inside communication or two element's mutual action relationship.For the ordinary skill in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0028] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through another feature between them.Moreover, first feature is "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or just indicates that the horizontal height of first feature is higher than second feature.First feature is "under", "below" and "lower surface of" second feature includes that first feature is directly below and obliquely below second feature, or just indicates that the horizontal height of first feature is less than second feature.

[0029] With reference to the drawings, an easy-to-replace filter element device includes a body, a filter element and a housing, the upper end of the body is inserted into the housing, the filter element is connected with the body, the outer periphery of the body is provided with a first matching component, the inner periphery of the housing is provided with a second matching component, the first matching component is connected with the second matching component, and a spring 22 is arranged on the filter element and / or the body, and the end of the spring is arranged on the filter element in the embodiment; the body is pushed relative to the housing, and the body and the housing are fixed and separated under the cooperation of the spring, the first matching component and the second matching component. Wherein: the first matching component is a guide block arranged on the outer periphery of the body, and the second matching component is a track groove arranged on the inner periphery of the housing.

[0030] Specifically: a device with filter core easy to replace, comprising a body 10 and a shell 20, wherein the body can be a water outlet body such as a top spray, the water inlet end of which can be communicated with the water outlet end of the filter core, the upper end of the body can be inserted into the shell, when installing, the filter core and the body are inserted into the shell together, the inner circumferential wall of the shell is annularly arranged with W-shaped track grooves 30, the opening of the W-shaped track groove faces downward, and an opening 21 is arranged between two adjacent track grooves, in use, the sliding direction of the guide block in the track groove is unidirectional, and the shell is provided with a spring 22; the outer circumferential wall of the body is provided with a guide block 11 which can be guided into or out of the track groove from the opening, when the body is moved upward and inserted into the shell, the guide block can slide into the first inflection point 31 of the track groove through the opening, under the action of the spring, the guide block is guided from the first inflection point to the second inflection point 32, the body and the shell are fixed, the body is pushed upward relative to the shell again, the guide block slides from the second inflection point to the third inflection point 33, under the action of the spring, the guide block slides from the third inflection point to the other opening, so that the guide block slides out of the track groove, the body and the shell are separated, wherein the first inflection point and the third inflection point are located above and on both sides of the second inflection point, the ends of two adjacent track grooves are connected through the opening, but the guide block must slide to the first inflection point of the track groove when guided into the opening.

[0031] Preferably, the outer circumferential wall of the body is provided with a rotating ring 12 which can be an open ring, and the guide block is arranged on the outer circumferential wall of the rotating ring; when the body is installed or dismounted relative to the shell, the rotating ring can rotate relative to the body and the shell. The outer circumferential wall of the body is further provided with an annular groove 13, and the rotating ring is arranged in the annular groove and can rotate in the annular groove. That is to say, when the body is inserted into the shell, the shell and the body do not rotate relative to each other, but only move axially

[0032] Further, the opening can be connected with the inclined surface 34 of the entry end of the track groove in a matched mode, so that the guide block slides into the first inflection point after being matched with the inclined surface when guided into the opening. The inner circumferential wall of the shell below the opening is provided with guide inclined surfaces 23 on both sides, and the guide inclined surfaces can drive the guide block to move toward the opening when the guide block is inserted into the shell.

[0033] Still further, the device further comprises a filter core 40, a sealing ring 41 is arranged between the upper end of the filter core and the inner circumferential wall of the shell, and a sealing ring 41 is also arranged between the lower end of the filter core and the inner circumferential wall of the water inlet end of the body, so as to ensure the sealing property of the whole body, and of course, sealing members are also arranged in other water passing structures, which will not be described in detail here. The shell is further provided with a top disc 50, the outer circumferential wall of the top disc is provided with a flange 51, the upper inner part of the shell is provided with a stepped surface 24 which can be matched with the flange, so that the top disc can be placed in the shell, the spring is arranged between the shell and the top spray, and the upper end of the filter core can be abutted and matched with the lower end of the top disc.

[0034] Preferably, further comprising a shell 60, which can be sleeved on the shell periphery, a spherical joint 61 is connected to the water inlet end of the shell, and water flows through the filter core through the body. A decorative cover 70 is also included, which can be sleeved on the lower end of the shell, and the lower end of the decorative cover can be sleeved on the outer periphery of the body.

[0035] The utility model more specifically speaking: trajectory groove is designed on the shell, the rotating ring with guide block is arranged on the body, then the filter core is placed on the body, the shell is also provided with a spring mechanism, which can be a spring or a spring piece, this multi-aspect design makes that user presses the body can lock the body filter core, when pressing the body again, the body assembly with filter core will be ejected for a short distance under the action of the spring mechanism, and the user can conveniently take out the body filter core assembly. In this way, the user can change the filter core with one hand, which is fast and convenient, and there is no difficulty in taking out the filter core. The trajectory groove and the spring mechanism are arranged on the shell, the filter core is placed on the body, the body is designed with the rotating ring with guide block, when pressing the body, the rotating ring guide block will move in the trajectory groove, after moving to the stroke, under the action of the spring, the body assembly will automatically move downward, and the guide block will also automatically move to the locking point position (that is, the second inflection point), at this time, the filter core and the body are locked together in the shell, and the body is pressed again, and the guide block starts to move along the trajectory to the stroke, and under the action of the spring, the body will automatically move downward, and the guide block will also automatically move to the unlocking point position, at this time, the filter core and the body assembly are unlocked in the shell. The spring has two functions, the first is to assist the relative movement of the rotating ring guide block and the trajectory, and the second is that the spring is directly arranged above the filter core, which facilitates the unlocking of the guide block and the trajectory groove, and the spring will eject the filter core.

[0036] The above description shows and describes the preferred embodiments of the utility model, as described above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A device for easy filter replacement, comprising a body, a filter element, and a housing, wherein the upper end of the body can be inserted into the housing, and the filter element can be connected to the body in a mating manner, characterized in that, The outer periphery of the body is provided with a first matching component, the inner periphery of the shell is provided with a second matching component, the first matching component can be matched and connected with the second matching component, further comprising a spring, the spring can act on the filter element and / or the body; pushing the body relative to the shell can realize the fixing and separation of the body and the shell under the cooperation of the spring, the first matching component and the second matching component.

2. A device with an easily replaceable filter cartridge according to claim 1, characterized in that The first matching component is a guide block arranged on the outer periphery of the body, and the second matching component is a track groove arranged on the inner periphery of the shell.

3. A device for easy replacement of a filter cartridge according to claim 2, characterized in that The inner periphery wall of the shell is annularly provided with W-shaped track grooves, the openings of the W-shaped track grooves face downward, and openings are arranged between adjacent two track grooves, and the shell is internally provided with a spring; the outer periphery wall of the body is provided with a guide block capable of guiding into or out of the track groove from the opening, when the body is inserted into the shell by moving upward, the guide block can slide into the first inflection point of the track groove through the opening, under the action of the spring, the guide block is guided from the first inflection point to the second inflection point, realizing the fixing of the body and the shell, and when the body is pushed upward relative to the shell again, the guide block slides from the second inflection point to the third inflection point, under the action of the spring, the guide block slides from the third inflection point to another opening, so that the guide block slides out of the track groove, realizing the separation of the body and the shell.

4. A device for easy replacement of a filter cartridge according to claim 3, characterized in that The outer periphery of the body is provided with a rotating ring, and the guide block is arranged on the outer periphery of the rotating ring; when the body is mounted or dismounted relative to the shell, the rotating ring can rotate relative to the body and the shell.

5. A device for easy replacement of a filter cartridge according to claim 4, characterized in that The outer periphery of the body is further provided with an annular groove, and the rotating ring is arranged in the annular groove and can rotate in the annular groove.

6. A device according to any one of claims 3-5, c h a r a c t e r i s e d in that The opening can be matched and connected with the slope of the entry end of the track groove, so that the guide block is matched with the slope when guided into the opening and slides into the first inflection point.

7. A device with a filter cartridge that is easy to replace according to claim 6, characterized in that The inner periphery wall of the shell below the opening is provided with a guide slope on both sides, and the guide slope can drive the guide block to move towards the opening when the guide block is inserted into the shell.

8. A device for easy replacement of a filter cartridge according to any of claims 1-5, 7, characterized in that, Sealing rings are arranged between the upper end of the filter element and the inner periphery wall of the shell, and between the lower end of the filter element and the inner periphery wall of the water inlet end of the body.

9. A device with an easily replaceable filter cartridge according to claim 8, characterized in that The shell is further provided with a top disc, the outer periphery of the top disc is provided with a flange, the inner part of the shell above is provided with a stepped surface capable of being matched with the flange, the spring is arranged between the shell and the top disc, and the upper end of the filter element can be abutted and matched with the lower end of the top disc.

10. A device with an easily replaceable filter according to claim 9, characterized in that Further comprising a shell, the shell can be sleeved on the outer periphery of the shell, a spherical joint is connected to the water inlet end of the shell, the water flow passes through the filter element and the body to be discharged, further comprising a decorative cover, the upper end of the decorative cover can be sleeved on the outer periphery of the lower end of the shell, and the lower end of the decorative cover can be sleeved on the outer periphery of the body.

Images