End cover with bypass valve and prefilter
By designing the end cover with bypass valve and using structures such as knobs and water hammer shock absorbing columns, the problems of high costs and leakage risks in the existing technology are solved, and efficient and safe filtration and bypass function switching are achieved, reducing the Production costs and leakage risks.
Patent Information
- Application Number
- CN202420226205.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-31
AI Technical Summary
Existing pre-filters with bypass valves are costly, cumbersome assemblies and increase leakage risk.
An end cap with a bypass valve is designed to change the water flow direction through the mutually perpendicular bypass holes, water inlet holes and water outlet hole structures on the knob. It has built-in water hammer shock absorbing columns and limit nails to reduce the risk of leakage. , and the bypass function is built into the end cap, reducing the use of pipe fittings.
It reduces production costs, improves assembly efficiency, reduces leakage risk, avoids the risk of heavy metal ions precipitation of pipe fittings, realizes switching of filter function and bypass function, and does not need to close the water valve for filter element cleaning.
Smart Images
Figure CN222151201U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pre-filters, and in particular relates to an end cover with a bypass valve and a pre-filter. Background Art
[0002] Existing pre-filters are divided into those without bypass valves and those with bypass valves. Pre-filters without bypass valves need to shut off the water source when replacing the filter element or cleaning it, which affects the user's water demand; many pre-filters with bypass valves use metal components or complex multiple sealing components (tees, elbows and valves, etc.), which are installed at the water inlet of the pre-filter to bypass the water source to the water outlet; this external bypass pipe method is not only costly and cumbersome to assemble, but also increases the risk of leakage due to the addition of multiple sealing connection points. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an end cover and a pre-filter with a bypass valve, so as to solve the technical problems of the prior art pre-filter with a bypass valve having high cost, complicated assembly and increased risk of leakage.
[0004] The utility model solves the above technical problems with the following technical solutions: an end cover with a bypass valve, comprising:
[0005] A top cover, wherein the inner wall of the top cover is provided with an internal thread, the top surface of the top cover is provided with a central hole column, and the central hole column is symmetrically provided with a water inlet and a water outlet in front and back;
[0006] A knob, the knob is rotatably arranged in the central hole column, the shaft body of the knob is provided with a bypass hole, a water inlet hole and a water outlet hole, the axes of the water inlet hole and the water outlet hole are located in the same plane, the bypass hole is perpendicular to the water inlet hole and the water outlet hole, and is not connected; the height and diameter of the bypass hole, the water inlet hole and the water outlet hole are adapted to the water inlet and the water outlet; the bottom surface of the knob is also provided with a spacer, the interior of the spacer is connected with the water inlet hole, and the exterior of the spacer is connected with the water outlet hole;
[0007] A protective cover, wherein the protective cover is buckled on the top cover through a plug-in structure, and the knob extends out of the protective cover;
[0008] A sealing cover, wherein a sealing column is provided on the top surface of the sealing cover, wherein the sealing column is sealingly inserted into the spacer, and wherein a water hole is provided on the sealing column, wherein the sealing cover is used to cover the filter element, and the water hole is used to align the filter element.
[0009] The utility model has mutually perpendicular bypass holes, water inlet holes and water outlet holes on the knob, and the water flow direction can be changed by rotating the knob; when the bypass hole is connected to the water inlet and the water outlet, the water flow can only pass through the bypass hole; when the water inlet hole is connected to the water inlet, and the water outlet hole is connected to the water outlet, the water flow will flow from the water inlet hole into the interior of the spacer, and then enter the water outlet hole from the outside of the spacer.
[0010] Further: one side of the protective cover is provided with an opening;
[0011] A plurality of mounting columns are evenly distributed outside the central hole column of the top cover.
[0012] The beneficial effect of adopting this step: the above structure is to match the L-shaped mounting seat, the horizontal surface of the mounting seat is connected to the mounting column, and the vertical surface of the mounting seat extends from the opening for fixed connection with facilities such as walls.
[0013] Furthermore: a timing component is also provided in the protective cover, and the timing component includes a PCB board, a digital tube, and a power supply;
[0014] The protective cover is an open surface or a shielding surface corresponding to the position of the timing component. When it is the shielding surface, the material of the protective cover is transparent or translucent, and the timing component can be controlled by touch.
[0015] The beneficial effect of adopting this step is that the timing component can set the working timing time.
[0016] Furthermore: the power source is a built-in battery or an external power source. When the power source is an external power source, a power socket is also provided on the side of the protective cover.
[0017] The beneficial effect of adopting this step is that the user can select the power supply method according to whether there is a socket at the installation location.
[0018] Furthermore: a plurality of limiting pins are arranged inside the top cover, and the plurality of limiting pins are evenly distributed on the outside of the sealing cover;
[0019] In addition, a slope is provided on one side of the limiting pin facing the filter element.
[0020] The beneficial effects of adopting this step are as follows: the limiting nails can play a guiding role when the sealing cover is installed, and secondly, guide the filter element to prevent the filter element from shifting.
[0021] Furthermore: the knob includes the shaft body and a knob handle, and the shaft body is plugged into the knob handle.
[0022] The beneficial effect of adopting this step is that the knob handle and the shaft body can be separated to facilitate installation on the center hole column of the top cover.
[0023] Furthermore: at least one water hammer damping column is provided between the spacer and the shaft body;
[0024] The water hammer damping column comprises a column and a piston, and an energy storage spring is arranged between the top surface of the column and the piston.
[0025] The beneficial effect of adopting this step is: there is water hammer phenomenon in the water pipeline, which will generate impact force and easily cause leakage in the sealed connection. The water hammer shock absorber column will use the energy storage spring to absorb the impact force generated by the water hammer to avoid damage to the sealed connection.
[0026] The utility model also provides a pre-filter, comprising:
[0027] An end cover with a bypass valve as described in any one of the above items;
[0028] A bottle body, wherein the bottle body is screwed together with the end cap;
[0029] A filter element, wherein the filter element is arranged in the bottle body;
[0030] The bottom of the bottle body is also provided with a sewage outlet and a sewage valve.
[0031] The pre-filter in the present application can switch between the filtering function and the bypass function through the end cover with a bypass valve, so there is no need to close the water valve when cleaning the filter element; and the end cover has fewer leakage points, reducing the risk of leakage.
[0032] The beneficial effects of the utility model are:
[0033] 1. The end cover with bypass valve has built-in bypass function, which reduces the number of pipe fittings used, reduces production costs, and improves assembly efficiency compared with existing bypass methods;
[0034] 2. The built-in bypass structure also reduces the risk of leakage; in this application, it is only necessary to seal the knob and the center hole column;
[0035] 3. Pipe fittings are no longer used, and the risk of heavy metal ions precipitating from pipe fittings is eliminated. BRIEF DESCRIPTION OF THE DRAWINGS
[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0037] Figure 1A schematic diagram of the structure of an end cover with a bypass valve provided by the utility model;
[0038] Figure 2 for Figure 1 Left view of
[0039] Figure 3 for Figure 1 Cross-sectional view of the middle AA section;
[0040] Figure 4 for Figure 2 A cross-sectional view of the middle BB section;
[0041] Figure 5 A three-dimensional diagram of a top cover in an end cover with a bypass valve provided by the utility model;
[0042] Figure 6 A schematic diagram of the structure of a top cover in an end cover with a bypass valve provided by the utility model;
[0043] Figure 7 for Figure 6 Cross-sectional view of the middle GG section;
[0044] Figure 8 A schematic diagram of the structure of a protective cover in an end cover with a bypass valve provided by the utility model;
[0045] Fig. 9 for Figure 8 Left view of
[0046] Fig.10 for Figure 8 Cross-sectional view of the middle CC section;
[0047] Fig.11 for Fig. 9 Cross-sectional view of the middle DD section;
[0048] Fig.12 A schematic diagram of the structure of a knob in an end cover with a bypass valve provided by the utility model;
[0049] Fig.13 for Fig.12 Bottom view of
[0050] Fig.14 for Fig.12 Left view of
[0051] Fig.15 for Fig.12 A cross-sectional view of the middle EE section;
[0052] Fig.16 for Fig.14 Cross-sectional view of the middle FF section;
[0053] Fig.17 A cross-sectional view of a pre-filter provided by the utility model without the bottle body;
[0054] Fig.18 The present invention is a schematic structural diagram of a pre-filter provided by the utility model.
[0055] Reference numerals:
[0056] 1-top cover; 2-knob; 3-protective cover; 4-sealing cover; 5-timing assembly; 6-filter element; 7-bottle body;
[0057] 11-water inlet; 12-water outlet; 13-center hole column; 14-limiting nail; 15-installation column; 21-bypass hole; 22-water inlet hole; 23-water outlet hole; 24-spacer; 25-water hammer shock-absorbing column; 31-opening; 41-sealing column. DETAILED DESCRIPTION
[0058] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.
[0059] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.
[0060] In the description of the present application, 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.
[0061] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically limited.
[0062] In this application, 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 connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0063] In the present application, 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”, and “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”, and “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.
[0064] Example
[0065] like Figure 1 to Figure 16 As shown, the utility model provides an end cover with a bypass valve, comprising:
[0066] A top cover 1, wherein the inner wall of the top cover 1 is provided with an internal thread, and the top surface of the top cover 1 is provided with a central hole column 13, and the central hole column 13 is symmetrically provided with a water inlet 11 and a water outlet 12;
[0067] A knob 2, the knob 2 is rotatably arranged in the central hole column 13, the shaft body of the knob 2 is provided with a bypass hole 21, a water inlet hole 22 and a water outlet hole 23, the axes of the water inlet hole 22 and the water outlet hole 23 are located in the same plane, the bypass hole 21 is perpendicular to the water inlet hole 22 and the water outlet hole 23, and they are not connected; the height and diameter of the bypass hole 21, the water inlet hole 22 and the water outlet hole 23 are adapted to the water inlet 11 and the water outlet 12; a spacer 24 is also provided on the bottom surface of the knob 2, the interior of the spacer 24 is connected with the water inlet hole 22, and the exterior of the spacer 24 is connected with the water outlet hole 23;
[0068] A protective cover 3, wherein the protective cover 3 is buckled on the top cover 1 through a plug-in structure (such as a column, a pin, a nail or a slot structure), and the knob 2 extends out of the protective cover 3;
[0069] A sealing cover 4 is provided on the top surface of the sealing cover 4. A plurality of sealing rings are provided outside the sealing column 41. The sealing column 41 is sealingly inserted into the spacer 24 through the plurality of sealing rings. A water through hole is provided on the sealing column 41. The sealing cover 4 is used to cover the filter element 6. The water through hole is used to align the filter element 6 so that water flows into the center hole of the filter element 6 from the water through hole.
[0070] The utility model provides a bypass hole 21, a water inlet hole 22 and a water outlet hole 23 which are perpendicular to each other on the knob 2. The direction of water flow can be changed by rotating the knob 2. When the bypass hole 21 is connected to the water inlet 11 and the water outlet 12, the water flow can only pass through the bypass hole 21. When the water inlet hole 22 is connected to the water inlet 11 and the water outlet hole 23 is connected to the water outlet 12, the water flow will flow from the water inlet hole 22 into the interior of the spacer 24 and then enter the water outlet hole 23 from the outside of the spacer 24.
[0071] On the basis of the above technical solution, one side of the protective cover 3 is provided with an opening 31;
[0072] A plurality of mounting columns 15 are evenly distributed outside the central hole column 13 of the top cover 1 .
[0073] The above structure is to match the L-shaped mounting seat, the horizontal surface of the mounting seat is connected to the mounting column 15, and the vertical surface of the mounting seat extends from the opening 31 for fixed connection with a wall or other facilities.
[0074] On the basis of the above technical solution, a timing component 5 is further provided in the protective cover 3, and the timing component 5 includes a PCB board, a digital tube, and a power supply;
[0075] The protective cover 3 is an open surface or a shielding surface corresponding to the timing component 5. When it is a shielding surface, the material of the protective cover 3 is transparent or translucent, and the timing component 5 can be touched to control, such as setting the timing duration and timing switch, and a reset button. It should be noted that the timing component 5 is installed on the inner side of the protective cover 3, and the attached Figures 5 to 7 It only shows the relative position of the timing assembly 5 and the top cover 1, and there is no connection between the two.
[0076] The timing component 5 is an independently working component that can only calculate the passage of time; the timing component 5 is manually opened or closed only to prompt and estimate the usage time of the pre-filter, so as to facilitate the estimation of the usage status of the filter element 6, thereby choosing to clean or replace the filter element 6.
[0077] On the basis of the above technical solution, the power supply is a built-in battery or an external power supply. When the power supply is a built-in power supply, a battery box is installed behind the PCB board. When the power supply is an external power supply, a power jack is also opened on the side of the protective cover 3.
[0078] Users can choose the power supply method according to whether there is a socket at the installation location.
[0079] On the basis of the above technical solution, a plurality of limiting pins 14 are provided inside the top cover 1, and the plurality of limiting pins 14 are evenly distributed on the outside of the sealing cover 4;
[0080] Furthermore, a side of the limiting pin 14 facing the filter element 6 is also provided with an inclined surface.
[0081] The limiting nail 14 can play a guiding role when the sealing cover 4 is installed, and secondly, guide the filter element 6 to prevent the filter element 6 from deflecting.
[0082] On the basis of the above technical solution, the knob 2 includes the shaft body and the knob handle, and the shaft body is plugged into the knob handle.
[0083] The knob handle and the shaft body are detachable to facilitate installation on the central hole column 13 of the top cover 1.
[0084] On the basis of the above technical solution, at least one water hammer damping column 25 is further provided between the spacer 24 and the shaft body;
[0085] The water hammer damping column 25 includes a column and a piston, and an energy storage spring is provided between the top surface of the column and the piston.
[0086] There is a water hammer phenomenon in the water pipeline. The water hammer will generate impact force, which is easy to cause leakage at the sealed connection. The water hammer shock absorber column 25 will use the energy storage spring to absorb the impact force generated by the water hammer to avoid damage to the sealed connection.
[0087] The utility model also provides a pre-filter, comprising:
[0088] An end cover with a bypass valve as described in any one of the above items;
[0089] A bottle body 7, wherein the bottle body 7 is screwed together with the end cap;
[0090] A filter element 6, wherein the filter element 6 is disposed in the bottle body 7;
[0091] The bottom of the bottle body 7 is also provided with a sewage outlet and a sewage valve.
[0092] The pre-filter in the present application can switch between the filtering function and the bypass function through the end cover with a bypass valve, so there is no need to close the water valve when cleaning the filter element; and the end cover has fewer leakage points, reducing the risk of leakage.
[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. An end cover with a bypass valve, characterized in that: include: A top cover, wherein the inner wall of the top cover is provided with an internal thread, the top surface of the top cover is provided with a central hole column, and the central hole column is symmetrically provided with a water inlet and a water outlet in front and back; A knob, the knob is rotatably arranged in the central hole column, the shaft body of the knob is provided with a bypass hole, a water inlet hole and a water outlet hole, the axes of the water inlet hole and the water outlet hole are located in the same plane, the bypass hole is perpendicular to the water inlet hole and the water outlet hole, and is not connected; the height and diameter of the bypass hole, the water inlet hole and the water outlet hole are adapted to the water inlet and the water outlet; the bottom surface of the knob is also provided with a spacer, the interior of the spacer is connected with the water inlet hole, and the exterior of the spacer is connected with the water outlet hole; A protective cover, wherein the protective cover is buckled on the top cover through a plug-in structure, and the knob extends out of the protective cover; A sealing cover, wherein a sealing column is provided on the top surface of the sealing cover, wherein the sealing column is sealingly inserted into the spacer, and wherein a water hole is provided on the sealing column, wherein the sealing cover is used to cover the filter element, and the water hole is used to align the filter element.
2. The end cover with bypass valve according to claim 1, characterized in that: One side of the protective cover is provided with an opening; A plurality of mounting columns are evenly distributed outside the central hole column of the top cover.
3. The end cover with bypass valve according to claim 1, characterized in that: A timing component is also provided in the protective cover, and the timing component includes a PCB board, a digital tube, and a power supply; The protective cover is an open surface or a shielding surface corresponding to the position of the timing component. When it is the shielding surface, the material of the protective cover is transparent or translucent, and the timing component can be controlled by touch.
4. The end cover with bypass valve according to claim 3, characterized in that: The power source is a built-in battery or an external power source. When the power source is an external power source, a power socket is also provided on the side of the protective cover.
5. The end cover with bypass valve according to claim 1, characterized in that: A plurality of limiting pins are arranged inside the top cover, and the plurality of limiting pins are evenly distributed on the outside of the sealing cover; In addition, a slope is provided on one side of the limiting pin facing the filter element.
6. The end cover with bypass valve according to claim 1, characterized in that: The knob comprises the shaft body and a knob handle, and the shaft body is plugged into the knob handle.
7. The end cover with bypass valve according to claim 6, characterized in that: At least one water hammer shock absorbing column is also provided between the spacer and the shaft body; The water hammer damping column comprises a column and a piston, and an energy storage spring is arranged between the top surface of the column and the piston.
8. A pre-filter, characterized in that: include: The end cover with a bypass valve as claimed in any one of claims 1 to 7; A bottle body, wherein the bottle body is screwed together with the end cap; A filter element, wherein the filter element is arranged in the bottle body; The bottom of the bottle body is also provided with a sewage outlet and a sewage valve.