Portable electricity-free water purification system

Abstract

A portable electricity-free water purification system, comprising: a filter element group, wherein the filter element group comprises a front filter element (11) and a middle filter element (12), and the middle filter element (12) comprises a reverse osmosis filter element or a nanofiltration filter element; a water passing pipeline (2), wherein the water passing pipeline (2) comprises a water inlet pipe head (21) and a water outlet pipe head (22), and the water passing pipeline (2) is sequentially connected in series to the front filter element (11) and the middle filter element (12); a manual pressurizing apparatus (3), arranged between the front filter element (11) and the middle filter element (12); and a housing (4), used for accommodating the filter element group, the water passing pipeline (2), and the manual pressurizing apparatus (3), wherein the water inlet pipe head (21) and the water outlet pipe head (22) are communicated with the outside of the housing (4). According to the portable electricity-free water purification system, the water purification quality of a portable water purification device can be improved, the purification requirement for the outdoor severe water quality is met, and the water purification efficiency can be ensured while the overall size of the device is effectively controlled, so that the composite design requirements that the portable water purification device is convenient to carry and transport, does not need power supply, and achieves high-quality and efficient water purification are fully met.

Description

A portable non-electric water purification system Technical Field

[0001] The present application relates to the technical field of water purification equipment, and in particular to a portable non-electric water purification system. Background Art

[0002] In addition to fixed-installation types, there are also portable water purification equipment that is often used outdoors. This type of equipment usually needs to purify poor water quality in an environment without power or energy supply. Since the water purified outdoors may be used for drinking, portable water purification equipment also has higher requirements in terms of water purification quality and efficiency. Compared with large-scale fixed-installation water purification equipment, the design requirements of portable water purification equipment are often multifaceted and complex.

[0003] In the prior art, portable water purification devices have small filter cartridges and a limited number of filter cartridges for portability. Some portable water purification devices have built-in motors to power electric pumps for boosting, while others use manual boosting devices for boosting. Existing portable water purification devices have at least the following drawbacks: The built-in motor results in a larger overall weight and size of the device, making it inconvenient to carry and transport. Once the motor fails, water purification will be impossible. In manually boosted water purification devices, the manual boosting device is positioned without considering the impact on the filter cartridge and may even be connected to the outside of the device, resulting in unsatisfactory boosting effects, low water purification efficiency, and poor water output. Regardless of the design, it is difficult to meet the complex design requirements of being easy to carry and transport, requiring no power source, and purifying water with high quality and efficiency.

[0004] Summary of the Invention

[0005] In view of the above shortcomings of the prior art, the purpose of this application is to provide a portable non-electric water purification system to solve the problems in the prior art that the built-in motor of the portable water purification equipment causes the overall weight and size of the equipment to be large, and once the motor fails, the water cannot be purified, and in the manual booster water purification equipment, the setting position of the manual booster device does not take into account the impact on the filter element, resulting in unsatisfactory boosting effect, low water purification efficiency, and poor water output effect. In any case, it is difficult to meet the complex design requirements of easy portability and transportation, no need for power supply and energy, and high-quality and efficient water purification.

[0006] To achieve the above objectives and other related objectives, the present application provides a portable non-electric water purification system, which includes:

[0007] A filter element group, comprising a pre-filter element and a middle filter element, wherein the middle filter element comprises a reverse osmosis filter element or a nanofiltration filter element;

[0008] A water flow pipe, comprising a water inlet pipe head and a water outlet pipe head, from the water inlet pipe head to the water outlet pipe head, the water flow pipe is sequentially connected in series with the pre-filter element and the middle filter element;

[0009] A manual pressure boosting device is provided on the water flow pipe and is located between the pre-filter element and the middle filter element;

[0010] The box body is used to accommodate the filter element group, the water flow pipe and all or part of the manual booster device, and the water inlet pipe head and the water outlet pipe head are connected to the outside of the box body.

[0011] In one embodiment of the present application, the filter element group also includes a post-filter element. From the water inlet pipe head to the water outlet pipe head, the water flow pipe is connected in series with the pre-filter element, the middle filter element and the post-filter element in sequence.

[0012] In one embodiment of the present application, the water outlet end of the center filter element is connected to a drainage pipeline, and a proportional valve is provided on the drainage pipeline.

[0013] In one embodiment of the present application, a flushing pipeline is led out between the proportional valve and the central filter element, and a switch valve is provided on the flushing pipeline.

[0014] In one embodiment of the present application, the portable non-electric water purification system also includes a pressure relief return pipeline, the water inlet end of the pressure relief return pipeline is connected to the water outlet end of the manual booster device or the water inlet end of the center filter element, the water outlet end of the pressure relief return pipeline is connected to the water inlet end of the manual booster device, and from the water inlet end of the pressure relief return pipeline to the water outlet end of the pressure relief return pipeline, the pressure relief device and the pressure relief return one-way valve are sequentially connected in series to the pressure relief return pipeline.

[0015] In one embodiment of the present application, a pressure gauge is provided between the manual boosting device and the central filter element.

[0016] In one embodiment of the present application, the water inlet pipe head is connected to a filter head.

[0017] In one embodiment of the present application, a water outlet faucet connected to the water outlet pipe head is provided on the outside of the box.

[0018] In one embodiment of the present application, the manual boosting device includes a boosting pump, a speed-increasing gearbox and a handle. The boosting pump is arranged inside the box body, the handle is detachably located outside the box body, and the speed-increasing gearbox is connected between the boosting pump and the handle.

[0019] In one embodiment of the present application, the booster pump includes:

[0020] A booster pump housing, wherein the interior of the booster pump housing includes a first cavity and a second cavity, and the booster pump housing is provided with a water inlet and a water outlet, wherein the water inlet and the water outlet are respectively connected to the first cavity;

[0021] a soft partition, disposed in the booster pump housing and located between the first chamber and the second chamber;

[0022] a pressurization chamber shell, located in the first chamber and enclosing a pressurization chamber with the soft baffle, the pressurization chamber shell being provided with a first water channel connected to the water inlet and a second water channel connected to the water outlet, the first water channel being provided with a water inlet check valve, and the second water channel being provided with a water outlet check valve;

[0023] The driving part includes an inclined shaft wheel arranged in the second cavity, a follower following the inclined shaft wheel, and a driving shaft connected to the inclined shaft wheel. The follower is also connected to the area of ​​the boosting cavity enclosed by the soft partition.

[0024] In one embodiment of the present application, a speed-increasing gear assembly is provided in the speed-increasing gear box, and the speed-increasing gear assembly includes an active shaft connected to the handle, a first gear sleeved on the active shaft, a second gear meshing with the first gear, a driven shaft coaxially connected to the second gear, a third gear sleeved on the driven shaft, and a fourth gear sleeved on the driving shaft, the fourth gear meshing with the third gear, the number of teeth of the first gear is greater than the number of teeth of the second gear, and the number of teeth of the third gear is greater than the number of teeth of the fourth gear.

[0025] In one embodiment of the present application, a plurality of the boost chamber shells are provided in the first chamber, the first water channels provided on the plurality of the boost chamber shells converge at the water inlet, and the second water channels provided on the plurality of the boost chamber shells converge at the water outlet.

[0026] In summary, the portable non-electric water purification system provided by this application has at least the following beneficial effects:

[0027] The pre-filter performs coarse filtration on the water entering the water purification system, removing large particles and preventing clogging and damage to the manual booster and filter element. The manual booster, located between the pre-filter and the mid-filter, stabilizes the water pressure at both ends of the manual booster, contributing to stable system operation.

[0028] By combining a multi-stage filter element with a manual booster device, it is suitable for various scenarios without power supply. It can not only improve the water purification quality of portable water purification equipment and meet the purification needs of outdoor harsh water quality, but also ensure water purification efficiency while effectively controlling the overall size of the equipment. It fully meets the composite design requirements of portable water purification equipment that are easy to carry and transport, do not require power energy, and purify water with high quality and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] FIG1 is a schematic diagram of the overall structure of a portable non-electric water purification system according to an exemplary embodiment of the present application;

[0030] FIG2 is an internal cross-sectional view of a manual booster device according to an exemplary embodiment of the present application when the tilting shaft wheel rotates to a position;

[0031] FIG3 is an internal cross-sectional view of a manual booster device according to an exemplary embodiment of the present application when the tilting shaft wheel is rotated to another position;

[0032] FIG4 is a diagram showing the internal structure of a manual boosting device according to an exemplary embodiment of the present application;

[0033] FIG5 is an isometric view of the overall structure of a manual booster device with a handle installed, shown in an exemplary embodiment of the present application;

[0034] FIG6 is a schematic diagram showing the connection relationship of a manual booster device when a handle is installed, according to an exemplary embodiment of the present application;

[0035] FIG7 is a schematic diagram of the matching relationship of the speed increasing gear assembly in the manual supercharging device according to an exemplary embodiment of the present application;

[0036] FIG8 is a partial cross-sectional schematic diagram of a manual boosting device according to an exemplary embodiment of the present application;

[0037] FIG9 is a schematic diagram of the overall structure of a portable non-electric water purification system according to another exemplary embodiment of the present application.

[0038] Part Number Description: 11-Pre-filter; 12-Middle filter; 13-Post-filter; 2-Water pipe; 21-Water inlet; 211-Filter head; 22-Water outlet; 221-Water tap; 23-Drain pipe; 231-Proportional valve; 24-Flush pipe; 241-On / Off valve; 25-Pressure gauge; 3-Manual booster; 31-Casing; 3101-Water inlet; 3102-Water outlet; 311-First chamber; 312-Second chamber; 32-Soft partition; 321-Recessed structure; 33-Booster chamber housing; 3301-First water channel; 3302-Second water channel; 331-Booster chamber; 332-pressure plate; 3321-raised structure; 333-water inlet check valve; 334-water outlet check valve; 341-tilted shaft wheel; 3411-drive bearing; 342-follower; 3421-connecting piece; 3422-clamp; 343-drive shaft; 35-handle; 36-speed increasing gearbox; 361-driving shaft; 362-first gear; 363-second gear; 364-driven shaft; 365-third gear; 366-fourth gear; 4-housing; 5-pressure relief return line; 51-pressure relief device; 52-pressure relief return check valve. DETAILED DESCRIPTION

[0039] The following describes the implementation of the present application through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present application from the contents disclosed in this specification.

[0040] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this application. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application. At the same time, terms such as "front", "back", "left", "right", "middle", "one", "two", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of this application. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of this application without substantially changing the technical content.

[0041] In one embodiment, the present application exemplarily illustrates a portable non-electric water purification system. Referring to FIG1 , the portable non-electric water purification system includes at least a filter element group, a water flow pipe 2, a manual booster device 3, and a box 4, wherein:

[0042] The filter element group includes a pre-filter element 11 and a middle filter element 12. The middle filter element 12 can be a reverse osmosis filter element, a nanofiltration filter element or an ultrafiltration membrane;

[0043] The water pipe 2 includes an inlet pipe head 21 and an outlet pipe head 22. From the inlet pipe head 21 to the outlet pipe head 22, the water pipe 2 is sequentially connected to the pre-filter element 11 and the middle filter element 12. Specifically, along the raw water flow direction of the water pipe 2, the pre-filter element 11 and the middle filter element 12 are sequentially arranged on the water pipe 2.

[0044] A manual pressure boosting device 3 is provided on the water flow pipe 2 and is located between the pre-filter element 11 and the middle filter element 12. Specifically, the manual pressure boosting device 3 is provided on the water flow pipe 2 between the water outlet end of the pre-filter element 11 and the water inlet end of the middle filter element 12;

[0045] The box body 4 is used to accommodate all or part of the filter element group, the water pipe 2 and the manual booster device 3, and the water inlet pipe head 21 and the water outlet pipe head 22 are connected to the outside of the box body 4.

[0046] In the above embodiment, a multi-stage filter element is provided, wherein the middle filter element 12 includes a reverse osmosis filter element or a nanofiltration filter element, which can filter to obtain pure water, and its filter membrane pore size is small, and it can maintain a high water purification efficiency under a higher water inlet pressure. The pre-filter element 11 includes but is not limited to a commonly used filter element such as an ultrafiltration membrane filter element, which is used to purify the incoming water. The combination of the multi-stage filter element can effectively improve the quality of the purified water. At the same time, the manual booster device 3 provided between the pre-filter element 11 and the middle filter element 12 can increase the water pressure of the middle filter element 12 inlet, effectively improving the filtration and purification efficiency. The manual booster device 3 No additional power supply or drive is required to provide energy, and pressurization can be achieved through manual operation, which is beneficial to reducing the overall space occupied by the box 4. It can be seen that in the portable non-electric water purification system provided in this embodiment, the multi-stage filter element is combined with the manual boosting device 3, which is suitable for various non-powered scenarios. It can not only improve the water purification quality of the portable water purification equipment and meet the outdoor harsh water purification needs, but also ensure the water purification efficiency while effectively controlling the overall size of the equipment, and fully meet the composite design requirements of the portable water purification equipment that is easy to carry and transport, does not require power energy, and purifies water with high quality and high efficiency.

[0047] Among them, the pre-filter 11 can perform coarse filtration on the water entering the water purification system, filtering out large-sized particles to avoid clogging and damage to the manual booster device 3 and the filter element. The manual booster device 3 is arranged between the pre-filter 11 and the middle filter 12. After manual boosting, the raw water flows into the water pipe 2 after passing through the pre-filter 11, so that a certain amount of raw water can be retained in the water pipe 2 between the middle filter 12 and the pre-filter 11, avoiding air in the upstream pipe of the manual booster device 3, thereby facilitating the smooth suction of raw water and manual boosting. In addition, the pre-filter 11 has the function of preventing the backflow of water passing through the pre-filter 11, and can maintain a relatively stable pressure between the pre-filter 11 and the middle filter 12, so that the manual booster device 3 can operate stably.

[0048] In this embodiment, the filter element assembly also includes a post-filter element 13, which is disposed on the water flow line 2 and located behind the center filter element 12 along the direction of water flow. Specifically, from the water inlet pipe head 21 to the water outlet pipe head 22, the water flow line 2 is connected in series with the pre-filter element 11, the center filter element 12, and the post-filter element 13. The post-filter element 13 includes, but is not limited to, commonly used filter elements such as ultrafiltration membrane filters, and is used to purify the outlet water and improve the water purification effect of this water purification system. In this embodiment, even without the post-filter element 13, the filtered water still meets drinking water standards.

[0049] In this embodiment, the water outlet end of the center filter element 12 is connected to a drainage pipe 23, and a proportional valve 231 is provided on the drainage pipe 23. The drainage pipe 23 is used to discharge waste water.

[0050] In this embodiment, a flushing line 24 extends between the proportional valve 231 and the center filter element 12. This flushing line 24 is equipped with an on / off valve 241, which is located outside the housing 4 and can be manually opened and closed. Closing the on / off valve 241 allows normal water production. After a period of use, the on / off valve 241 can be opened to flush the center filter element 12. Specifically, opening the on / off valve 241 while operating the manual booster device 3 allows the raw water to flush dirt from the center filter element 12. The resulting wastewater is then quickly discharged through the flushing line 24, facilitating cleaning and maintenance and extending the filter element's service life.

[0051] In this embodiment, a three-way valve is connected to the water outlet end of the center filter element 12, and the drainage pipeline 23 and the flushing pipeline 24 are respectively connected to the other two ends of the three-way valve.

[0052] In this embodiment, a pressure gauge 25 is provided between the manual boosting device 3 and the central filter element 12 . The dial of the pressure gauge 25 is located outside the box 4 and is used to monitor the fluid pressure in the water pipe 2 .

[0053] In this embodiment, the water inlet pipe head 21 is connected to a filter head 211 , and the filter head 211 is used to perform coarse filtration on the raw water to reduce large impurities from entering the water pipe 2 .

[0054] In this embodiment, a water outlet tap 221 connected to the water outlet pipe head 22 is provided outside the box body 4 for controlling the opening and closing of the water outlet pipe head 22 .

[0055] In this embodiment, the manual boosting device 3 includes a boosting pump, a speed increasing gearbox 36 and a handle 35. The boosting pump is arranged inside the box body 4, the handle 35 is detachably located outside the box body 4, and the speed increasing gearbox 36 is connected between the boosting pump and the handle 35.

[0056] Specifically, referring to FIG. 2-FIG . 3 , the present application also exemplarily shows a structural scheme of a booster pump, which includes a booster pump housing 31 , a soft partition 32 , a booster chamber housing 33 and a drive unit, wherein:

[0057] The booster pump housing 31 refers to the outer shell structure of the entire manual booster device 3. The booster pump housing 31 is provided with a water inlet 3101 and a water outlet 3102. In this embodiment, the booster pump housing 31 is a whole formed by connecting two detachable partial booster pump housings 31.

[0058] The soft partition 32 is provided in the booster pump housing 31 to separate the internal space of the booster pump housing 31 into a first chamber 311 and a second chamber 312 . The water inlet 3101 and the water outlet 3102 are respectively connected to the first chamber 311 .

[0059] The boost chamber shell 33 is located in the first chamber 311. The boost chamber shell 33 and the soft partition 32 together form a boost chamber 331. The boost chamber shell 33 is provided with a first water channel 3301 connected to the water inlet 3101 and a second water channel 3302 connected to the water outlet 3102. A pressure plate 332 is provided in the boost chamber 331. The communication position between the first water channel 3301 and the internal space of the boost chamber 331 and the communication position between the second water channel 3302 and the internal space of the boost chamber 331 are located on the same side of the pressure plate 332. A water inlet check valve 333 is provided on the first water channel 3301, and a water outlet check valve 334 is provided on the second water channel 3302. It can be understood that external water enters the boost chamber 331 through the water inlet 3101 and the first water channel 3301, and then exits the boost chamber 331 through the second water channel 3302 and enters the water outlet 3102.

[0060] The driving part includes an inclined shaft wheel 341 and a follower 342 arranged in the second cavity 312, and a driving shaft 343 connected to the inclined shaft wheel 341. The follower 342 and the pressure plate 332 are connected by a connecting piece 3421 passing through the soft partition 32. When the driving shaft 343 drives the inclined shaft wheel 341 to rotate, the inclined shaft wheel 341 periodically pushes the follower 342 closer to and away from the soft partition 32. It is worth noting that the inclined shaft wheel 341 refers to a wheel structure with an inclined centerline of the shaft hole, that is, when the inclined shaft wheel 341 is sleeved on the driving shaft 343, its two end faces are not perpendicular to the axis of the driving shaft 343.

[0061] In the above embodiment, the inclined shaft wheel 341 periodically pushes the follower 342 toward and away from the soft partition 32 during the rotation process, thereby driving the diaphragm to swing periodically in the boosting chamber 331, causing the pressure in the boosting chamber 331 to change. The external water is sucked into the boosting chamber 331 through the first water channel 3301 and then pressurized and pushed out of the second water channel 3302. The above arrangement has the characteristics of compact structure, convenient operation, and efficient water pumping.

[0062] In this embodiment, please refer to Figures 5-6. The drive shaft 343 extends from the booster pump housing 31. The manual booster device 3 also includes a handle 35 that is detachably connected to the protruding end of the drive shaft 343. The rotation of the handle 35 drives the drive shaft 343 to rotate, which is beneficial to improving the convenience of pumping water and boosting pressure. The detachable handle 35 is beneficial to further improve the portability.

[0063] In this embodiment, please refer to Figures 5 to 7. The manual boosting device 3 also includes a speed-increasing gearbox 36 connected between the boosting pump and the handle 35. A speed-increasing gear assembly is provided in the speed-increasing gearbox 36. Specifically, the speed-increasing gear assembly includes a driving shaft 361 connected to the handle 35, a first gear 362 sleeved on the driving shaft 361, a second gear 363 meshing with the first gear 362, a driven shaft 364 coaxially connected to the second gear 363, a third gear 365 sleeved on the driven shaft 364, and a fourth gear 366 sleeved on the driving shaft 343. The fourth gear 366 is meshed with the third gear 365. The number of teeth of the first gear 362 is greater than the number of teeth of the second gear 363, and the number of teeth of the third gear 365 is greater than the number of teeth of the fourth gear 366. By increasing the speed through gear transmission, the driving force required for pumping water can be effectively reduced, thereby further improving the convenience of pumping water.

[0064] For ease of understanding, please refer to Figures 2 and 3, which respectively show the internal structure of the portable device when the tilted shaft wheel 341 is rotated to different positions. In a cross-sectional direction inside the boost pump housing 31, the follower 342 is located on the right side inside the boost pump housing 31. When the tilted shaft wheel 341 is rotated to the left end higher and the right end lower, the follower 342 sinks, driving the pressure plate 332 to move downward in the boost chamber 331. At this time, the pressure in the boost chamber 331 decreases, and water enters the first water channel 3301. When the tilted shaft wheel 341 is rotated to the left end lower and the right end higher, the follower 342 is lifted, driving the pressure plate 332 to move upward in the boost chamber 331, pressing water out of the second water channel 3302.

[0065] In this embodiment, a driving bearing 3411 is sleeved on the tilting shaft wheel 341, and a first end face of the driving bearing 3411 abuts against the follower 342. A clamping plate 3422 is detachably connected to the follower 342, and the clamping plate 3422 abuts against the second end face of the driving bearing 3411 opposite to the first end face, and is used to cooperate with the follower 342 to clamp the driving bearing 3411. In this embodiment, the follower 342 is specifically an L-shaped block structure, one end of which abuts against the first end face of the driving bearing 3411, and the other end is installed with a clamping plate 3422, and the clamping plate 3422 abuts against the driving bearing 341 1, it can be understood that the clamping plate 3422 and the follower 342 are respectively in contact with the two end surfaces of the driving bearing 3411. When the driving bearing 3411 rotates with the tilting shaft wheel 341, the ups and downs of the tilting shaft wheel 341 can be accurately transmitted to the follower 342. In this embodiment, the pressure plate 332 is connected to the follower 342 by a connecting member 3421, such as a screw. The soft partition 32 is provided with a hole for inserting the screw. The pressure plate 332 fluctuates synchronously with the ups and downs of the follower 342, so that the air pressure in the boosting chamber 331 changes to achieve water pumping.

[0066] In this embodiment, the water outlet one-way valve 334 is located in the first chamber 311, and the water outlet one-way valve 334 includes an umbrella-shaped valve core. The umbrella end cover of the umbrella-shaped valve core is provided at one end where the second water channel 3302 is connected to the first chamber 311. In one embodiment, the umbrella-shaped valve core is coaxially arranged with the drive shaft 343, and the boosting chamber shell 33 is ring-arranged with the umbrella-shaped valve core as the center. The first water channels 3301 provided on the multiple boosting chamber shells 33 converge at the water inlet 3101, and the second water channels 3302 provided on the multiple boosting chamber shells converge at the water outlet 3102. For example, in this embodiment, the boosting chamber shell 33 is ring-arranged in three groups to form three boosting chambers 331. The drive shaft 343 bearing 3411 rotates one circle with the inclined shaft wheel 341, and the three boosting chambers 331 complete one water suction and pumping operation, which is beneficial to improving energy conversion efficiency, increasing water pumping volume and pumping efficiency.

[0067] In this embodiment, referring to Figures 2, 3 and 8, a chimeric structure is provided between the pressing plate 332 and the soft partition 32 for positioning the pressing plate 332 and the soft partition 32. The chimeric structure includes a convex structure 3321 provided on the pressing plate 332 and a concave structure 321 provided on the soft partition 32. The convex structure 3321 is plugged into the concave structure 321. The concave structure 321 is concave from the first cavity 311 to the second cavity 312. It can be understood that the chimeric structure can be used on one hand. As a sealing structure, for example, in this embodiment, the raised structure 3321 can be, for example, an annular wall surrounding the connecting member 3421, and the recessed structure 321 can be, for example, an annular groove surrounding the connecting member 3421, which is beneficial to prevent water in the boost chamber 331 from seeping into the driving part from the connecting member 3421. On the other hand, it can serve as a guiding structure. For example, in this embodiment, the pressure plate 332 and the soft partition 32 always remain engaged, which is beneficial to ensure that the movement direction of the pressure plate 332 does not deviate, and is beneficial to improving the stability of the water pump.

[0068] In one embodiment, in this embodiment, please refer to Figure 8, the recessed structure 321 on the soft partition 32 protrudes toward the second cavity 312, and the upper end surface of the follower 342 is also provided with a groove to accommodate this protrusion, so that there is also a plug-in fit between the follower 342 and the soft partition 32, which forms a guide for the up and down movement of the follower 342, further ensuring the accuracy of the movement direction.

[0069] In this embodiment, the water inlet check valve 333 is arranged in the boosting chamber 331 and is located at the end where the first water channel 3301 is connected to the boosting chamber 331. Specifically, the inner wall of the boosting chamber 331 is recessed outward to form a space to accommodate the water inlet check valve 333, which is conducive to further reducing the space occupied by components while ensuring the volume of the boosting chamber 331, thereby improving the compactness of the overall structure.

[0070] In the above embodiment, the manual boosting device 3 has a compact structure and high boosting efficiency, which greatly meets the complex design requirements of portable water purification equipment that is easy to carry and transport, does not require power source, and purifies water with high quality and efficiency.

[0071] In one embodiment, as shown in FIG9 , the portable non-electric water purification system further includes a pressure relief return line 5. The housing 4 is not shown in FIG9 . The two ends of the pressure relief return line 5 are respectively connected to the water flow line 2. The water inlet end of the pressure relief return line 5 is connected to the water outlet end of the manual booster device 3, and the water outlet end of the pressure relief return line 5 is connected to the water inlet end of the manual booster device 3. The direction of water flow in the pressure relief return line 5 is from the water inlet end to the water outlet end of the pressure relief return line 5. That is, when the pressure of the water flow line 2 is greater than the preset pressure value of the pressure relief device 51, the water flowing out of the water outlet end of the manual booster device 3 flows through the water inlet end of the pressure relief return line 5 to the water outlet end of the pressure relief return line 5, and finally flows back to the water inlet end of the manual booster device 3. In other embodiments, the water inlet of the pressure relief return line 5 can be connected to the water inlet of the center filter element 12, or connected to the water flow line 2 between the water outlet of the manual booster device 3 and the water inlet of the center filter element 12. In this embodiment, it is connected to the water flow line 2 via a three-way valve. The water outlet of the pressure relief return line 5 returns to the upstream of the manual booster device 3, for example, connected to the water inlet of the manual booster device 3, or to the water flow line 2 between the pre-filter element 11 and the manual booster device 3.

[0072] The pressure relief return line 5 is serially connected with a pressure relief device 51 and a pressure relief return one-way valve 52 in the direction of water flow. For example, the pressure relief device 51 can adopt a pressure control valve, specifically including a pressure reducing valve, an overflow valve, a pressure relief valve, etc., as well as other devices that can actively relieve pressure after reaching a preset pressure, which are not specifically limited here. When the pressure before the membrane of the middle filter element 12 is greater than the preset pressure value of the pressure relief device 51 (in this embodiment, the pressure before the membrane of the middle filter element 12 is the same as the pressure at the water outlet of the manual booster device 3), the pressure relief device 51 starts to relieve pressure, and water flows from the pressure relief device 51 through the pressure relief return one-way valve 52 back to the water inlet of the manual booster device 3. Due to the setting of the pressure relief return one-way valve 52, the water in the water pipe 2 can be prevented from entering the pressure relief return line 5 from the water outlet of the pressure relief return line 5, ensuring one-way reflux.

[0073] When the manual booster device 3 increases the pre-membrane pressure of the center filter element 12 in the water pipe 2 to a certain value, the pre-membrane pressure of the center filter element 12 will be relatively large. Continuing to manually boost the pressure through the manual booster device 3 will be very laborious and difficult, and the large pre-membrane pressure will damage the center filter element 12 and the rear filter element 13, affecting their service life. By setting the pressure relief return line 5, after the pre-membrane pressure of the center filter element 12 reaches the specified value, the pressure can be automatically relieved through the pressure relief device 51, actively releasing the pre-membrane pressure. Continuing to operate the manual booster device 3 will not cause the pressure to continue to rise. On the one hand, the operation is easier, and on the other hand, it effectively protects the center filter element 12 to ensure the stable operation of the entire system and the service life of the membrane in the key filter element assembly. After the pressure is relieved, the water flows back to the water inlet end of the manual booster device 3 and continues to be used, which can save water. After each pressure relief, the water purification system can be put into normal operation again without having to replace a new filter element or re-debug the system, ensuring the stable operation of the water purification system, saving costs, and being convenient to use. The pressure relief conditions of the pressure relief device 51 can be set to different pressures according to user needs. For example, if the pressure relief pressure is set to 50 PSI (pounds per square inch), the pressure relief device 51 will start to actively relieve pressure when the pressure reaches 50 PSI, ensuring that the pressure position in the system does not exceed 50 PSI.

[0074] During use, the manual booster device 3 is operated to draw raw water from the water inlet pipe 21 into the water flow pipe 2. The raw water then passes through the pre-filter 11 to filter out coarse particles. The water then passes through the manual booster device 3 and enters the middle filter 12 for further filtration. Finally, the water passes through the post-filter 13 to further filter the raw water, improving the filtration effect. The filtered pure water is then supplied to the user through the water outlet pipe 22 and the water tap 221 for consumption or drinking.

[0075] When the center filter element 12 needs to be flushed, the manual booster device 3 is operated to increase the pressure of the raw water in the water pipe 2. The raw water can flush the dirt on the center filter element 12. The switch valve 241 is opened and the flushing waste water is discharged from the flushing pipe 24.

[0076] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, any equivalent modifications or alterations accomplished by a person of ordinary skill in the art without departing from the spirit and technical concepts disclosed in this application shall be covered by the claims of this application.

Claims

1. A portable non-electric water purification system, characterized in that: include: A filter element group, including a pre-filter element and a middle filter element, wherein the middle filter element includes a reverse osmosis filter element, a nanofiltration filter element or an ultrafiltration membrane; A water flow pipe, comprising a water inlet pipe head and a water outlet pipe head, from the water inlet pipe head to the water outlet pipe head, the water flow pipe is connected in series with the pre-filter element and the middle filter element in sequence; A manual pressure boosting device is arranged on the water flow pipe and is located between the pre-filter element and the middle filter element; The box body is used to accommodate the filter element group, the water pipeline and all or part of the manual booster device, and the water inlet pipe head and the water outlet pipe head are connected to the outside of the box body.

2. The portable non-electric water purification system according to claim 1, characterized in that: The filter element group also includes a post-filter element. From the water inlet pipe head to the water outlet pipe head, the water flow pipeline is connected in series with the pre-filter element, the middle filter element and the post-filter element in sequence.

3. The portable non-electric water purification system according to claim 2, characterized in that: The water outlet end of the center filter element is connected to a drainage pipeline, and a proportional valve is arranged on the drainage pipeline.

4. The portable non-electric water purification system according to claim 3, characterized in that: A flushing pipeline is led out between the proportional valve and the center filter element, and a switch valve is arranged on the flushing pipeline.

5. The portable non-electric water purification system according to claim 2, characterized in that: The portable non-electric water purification system also includes a pressure relief return pipeline, the water inlet end of the pressure relief return pipeline is connected to the water outlet end of the manual booster device or the water inlet end of the center filter element, the water outlet end of the pressure relief return pipeline is connected to the water inlet end of the manual booster device, and from the water inlet end of the pressure relief return pipeline to the water outlet end of the pressure relief return pipeline, the pressure relief return pipeline is sequentially connected in series with a pressure relief device and a pressure relief reflux check valve.

6. The portable non-electric water purification system according to claim 2, characterized in that: A pressure gauge is arranged between the manual boosting device and the center filter element.

7. The portable non-electric water purification system according to claim 2, characterized in that: The water inlet pipe head is connected with a filter head.

8. The portable non-electric water purification system according to claim 2, characterized in that: A water outlet faucet connected to the water outlet pipe head is arranged outside the box.

9. The portable non-electric water purification system according to claim 2, characterized in that: The manual boosting device comprises a boosting pump, a speed increasing gear box and a handle, wherein the boosting pump is arranged inside the box body, the handle is detachably located outside the box body, and the speed increasing gear box is connected between the boosting pump and the handle.

10. The portable non-electric water purification system according to claim 9, characterized in that: The booster pump comprises: A booster pump housing, wherein the interior of the booster pump housing includes a first cavity and a second cavity, and the booster pump housing is provided with a water inlet and a water outlet, wherein the water inlet and the water outlet are respectively connected to the first cavity; A soft partition plate is arranged in the booster pump housing and located between the first chamber and the second chamber; A booster chamber shell, located in the first chamber, and enclosed with the soft baffle to form a booster chamber, the booster chamber shell is provided with a first water channel connected to the water inlet, and a second water channel connected to the water outlet, the first water channel is provided with a water inlet check valve, and the second water channel is provided with a water outlet check valve; The driving part includes an inclined shaft wheel arranged in the second chamber, a follower following the inclined shaft wheel, and a driving shaft connected to the inclined shaft wheel. The follower is also connected to the area of ​​the boost chamber enclosed by the soft partition.

11. The portable non-electric water purification system according to claim 10, characterized in that: The speed-increasing gear box is provided with a speed-increasing gear assembly, which includes a driving shaft connected to the handle, a first gear sleeved on the driving shaft, a second gear meshing with the first gear, a driven shaft coaxially connected to the second gear, a third gear sleeved on the driven shaft, and a fourth gear sleeved on the driving shaft, the fourth gear meshing with the third gear, the number of teeth of the first gear is greater than the number of teeth of the second gear, and the number of teeth of the third gear is greater than the number of teeth of the fourth gear.

12. The portable non-electric water purification system according to claim 11, characterized in that: A plurality of the boost chamber shells are arranged in the first chamber, the first water channels arranged on the plurality of the boost chamber shells converge at the water inlet, and the second water channels arranged on the plurality of the boost chamber shells converge at the water outlet.

Images