An outdoor portable water purifier

Abstract

The present invention relates to the field of water purifiers, and particularly to an outdoor portable water purifier. It includes a housing, a bracket, a purification cylinder, a pumping device, a drainage device, a power device, and a cleaning device. The upper end of the purification cylinder is fixedly connected to a pumping cylinder, and the lower end is fixedly connected to a drainage cylinder; a filter element is fixed on the bottom wall of the purification cylinder; the axis of the filter element is hollow to form a purified water cavity, and one end is communicated with the drainage cylinder through a purified water pipe; a raw water cavity is formed between the filter element and the purification cylinder; a water outlet hole is provided at the lower end of the side wall of the purified water pipe; a blocking block is provided at the water outlet hole. When the outer surface of the filter element is blocked by fine particles and the purification efficiency is reduced, the cleaning device impacts the blocking block to make it slide into the purified water pipe and block the water outlet hole, so that the purified water cavity becomes a closed chamber. At the same time, the blocking block continues to slide into the purified water pipe to pressurize the purified water cavity, so that the purified water and air in the purified water cavity are backflushed to the raw water cavity through the pores of the filter element, realizing that when the purification efficiency of the filter element is reduced to a preset value, the filter element can be backflushed in time.

Description

Technical Field

[0001] The present invention relates to the field of water purifiers, and particularly to an outdoor portable water purifier. Background Art

[0002] The filtration accuracy of the filter element of an outdoor water purifier must be able to completely remove pathogenic bacteria and eggs in water, be easy to clean, and be stable during long-term storage after use. In the market, there are many water purifiers with low purification degrees, such as microfiltration membranes, ultrafiltration membranes, ceramic membranes, or filter media layers of special decolorizing, deodorizing, and turbidity-reducing materials such as carbon and resin. The type of water purifier that can meet the emergency drinking needs can be selected according to the actual situation in a specific environment or short-term field construction, inspection, training, tourism, exploration, post-earthquake disaster relief, etc. For example, the ceramic filter element is completely fired at high temperature by ceramics, has good use and storage stability, can be repeatedly cleaned, is especially suitable for muddy water with a high turbidity, and has a long service life, thus becoming the preferred filter element for outdoor water purifiers.

[0003] In the prior art, such as the Chinese patent with the publication number CN105502578B and the name of an outdoor water purifier capable of backwashing and its backwashing method, the disclosed technical solution includes a first housing, a second housing, and a cylindrical joint; the second housing is hollow inside and has a water outlet and a water inlet at both ends respectively, and the second housing is filled with an ultrafilter element; the water inlet is fixedly connected to the joint in a detachable manner, the water outlet is fixedly connected to one end of the first housing in a detachable manner through a connection structure, and the connection structure is also used to dock the water outlet and the joint in a detachable manner when backwashing the ultrafilter element; the other end of the first housing protrudes outward with a water outlet nozzle. When cleaning the filter element in this solution, the first housing and the joint are removed from the second housing, the joint is installed at the water outlet of the second housing, an external disinfectant bottle is installed on the joint, and the external disinfectant bottle is squeezed to make the disinfectant flow from the water outlet of the second housing to the water inlet, so as to realize the backwashing of the ultrafilter element. This method can only wash the filter element after the water purification is completed. When the surface of the filter element is blocked and cannot be cleaned in time, the water purification filtration efficiency will be affected. Summary of the Invention

[0004] The present invention provides an outdoor portable water purifier to solve the above problems.

[0005] The following technical scheme is adopted for an outdoor portable water purifier of the present invention: An outdoor portable water purifier includes a housing, a bracket, a purification cylinder, a water pumping device, a drainage device, a power device, and a cleaning device; the bracket is fixed inside the housing.

[0006] The purification cylinder is fixedly mounted on the bracket vertically; a water pumping cylinder is fixedly connected to the upper end of the purification cylinder, and a drain cylinder is fixedly connected to the lower end; a filter element is fixed on the bottom wall of the purification cylinder; the axis of the filter element is hollow to form a purified water cavity; the upper end of the purified water cavity is sealed, and the lower end is communicated with the drain cylinder through a purified water pipe; a raw water cavity is formed between the filter element and the purification cylinder; a water outlet hole is provided at the lower end of the side wall of the purified water pipe; a blocking block is provided at the water outlet hole; a return spring is connected between the blocking block and the purification cylinder; the upper end of the blocking block is in sealed sliding connection with the purified water pipe.

[0007] The water pumping device is arranged in the water pumping cylinder, which is used to first pump the raw water into the raw water cavity, and then pressurize the raw water cavity to promote the purification of the raw water at the filter element.

[0008] The drainage device is arranged in the drain cylinder, which is used to provide negative pressure for the purified water cavity when the water pumping device squeezes the raw water to assist the purification of the raw water and at the same time drain the purified water; the drainage device includes a drainage piston; the drainage piston slides in the drain cylinder to divide the drain cylinder into a non-communication drainage upper cylinder and a drainage lower cylinder.

[0009] The power device is used to drive the water pumping device and the drainage device.

[0010] The cleaning device is arranged in the drain cylinder and above the drainage device, which is used to impact the blocking block to slide it into the purified water pipe and block the water outlet hole to make the purified water cavity a closed chamber when the outer surface of the filter element is blocked by fine particles and the purification efficiency is reduced. At the same time, the blocking block continues to slide into the purified water pipe to pressurize the purified water cavity, so that the purified water and air in the purified water cavity are backflushed to the raw water cavity through the pores of the filter element to realize the backwashing of the filter element; the cleaning device includes an impact block, a power storage component, and a trigger component; the impact block is arranged below the blocking block, and an impact spring is fixedly connected between the impact block and the drain cylinder through a mounting ring; the power storage component includes a power storage upper cylinder, a power storage lower cylinder, and a power storage outer cylinder; the power storage lower cylinder is rotatably mounted on the drainage piston; the power storage upper cylinder is fixed to the lower end of the impact block; a first one-way structure is arranged between the power storage upper cylinder and the power storage lower cylinder; the first one-way structure is used to drive the impact block to move downward to store energy in the impact spring when the drainage piston drives the power storage lower cylinder to move upward and sleeve outside the power storage upper cylinder and then move downward; the power storage outer cylinder is sleeved outside the impact block and rotatably mounted on the mounting ring; a second one-way structure is arranged between the power storage outer cylinder and the impact block; the second one-way structure is used to lock the impact block at a preset position when the impact block moves downward to the preset position; a telescopic rod is fixedly connected between the power storage outer cylinder and the power storage lower cylinder; the telescopic rod is used to make the power storage outer cylinder rotate synchronously with the power storage lower cylinder; the trigger component is arranged between the drainage piston and the power device, which is used to unlock the impact block when the purification efficiency of the filter element is reduced, and the impact spring releases energy to drive the impact block to impact the blocking block.

[0011] Further, a first one-way valve is provided on the drainage piston, which is opened when the drainage piston slides upward and closed when it slides downward, so that the purified water in the drainage upper cylinder enters the drainage lower cylinder when the drainage piston slides upward.

[0012] A second one-way valve and a third one-way valve are provided at the lower end of the lower drainage cylinder; a drain pipe is connected to the second one-way valve, and the second one-way valve closes when the drainage piston moves upward and opens when the drainage piston moves downward; the third one-way valve is connected to the outside and opens when the drainage piston moves upward and closes when the drainage piston moves downward.

[0013] Further, the first one-way structure includes a plurality of upper ratchet teeth and a plurality of lower ratchet teeth; the plurality of upper ratchet teeth are evenly distributed along the circumferential direction of the upper energy storage cylinder at a preset angle; the upper ratchet teeth are slidably arranged on the outer wall of the upper energy storage cylinder in the radial direction of the upper energy storage cylinder; a compression spring is connected between the upper ratchet teeth and the upper energy storage cylinder; the plurality of lower ratchet teeth are evenly distributed along the circumferential direction of the lower energy storage cylinder at a preset angle; the lower ratchet teeth are fixed on the inner wall of the lower energy storage cylinder.

[0014] Further, the second one-way structure includes a plurality of outer ratchet teeth and a plurality of inner ratchet teeth;

[0015] The plurality of outer ratchet teeth are evenly distributed along the circumferential direction of the outer energy storage cylinder at a preset angle; the outer ratchet teeth are fixed on the inner wall of the outer energy storage cylinder;

[0016] The plurality of inner ratchet teeth are evenly distributed along the circumferential direction of the upper energy storage cylinder at a preset angle; the inner ratchet teeth are slidably arranged on the impact block in the radial direction of the upper energy storage cylinder; a compression spring is connected between the upper ratchet teeth and the upper energy storage cylinder.

[0017] Further, the power device includes a power structure and two power rods symmetrically arranged up and down; the lower power rod is slidably installed on the drainage cylinder and is arranged below the drainage piston;

[0018] The trigger assembly includes a trigger disc, a trigger spring, and a trigger post; the trigger disc is fixed to the upper end of the corresponding power rod; one end of the trigger spring is fixed to the drainage piston and the other end is fixed to the trigger disc; the trigger post is arranged in the lower energy storage cylinder, the lower end is fixed to the trigger disc, and the upper end is in a ball screw fit with the lower end of the lower energy storage cylinder.

[0019] Further, the pumping device includes a pumping piston; the pumping piston slides in the drainage cylinder to divide the pumping cylinder into a non-communication upper pumping cylinder and a lower pumping cylinder; the pumping piston is fixedly connected to the lower end of the upper power rod;

[0020] A fourth one-way valve is provided on the pumping piston to open when the pumping piston slides upward and close when it slides downward, so that the raw water in the upper pumping cylinder enters the lower pumping cylinder when the pumping piston slides upward;

[0021] A fifth one-way valve is provided at the upper end of the lower pumping cylinder; a water suction pipe is connected to the fifth one-way valve, and the fifth one-way valve closes when the pumping piston moves upward and opens when the pumping piston moves downward.

[0022] Further, the power structure includes a transmission rod, a pedal, and an electric component; the transmission rod is vertically arranged, and both ends are fixedly connected to the power rod through a connecting plate; the pedal is slidably arranged on the bracket up and down and is fixedly connected to the transmission rod; a reciprocating spring is connected between the pedal and the bracket; the electric component includes a motor and a turntable; the motor is horizontally fixed at the upper end of the water pumping cylinder; the turntable is fixed on the output shaft of the motor; a sliding rod is arranged on the connecting plate; the lower end of the sliding rod is slidably installed on the connecting plate of the upper power rod through a chute, and the upper end is rotatably installed at the edge of the turntable.

[0023] Further, a filter box is connected to the movable end of the water suction pipe; a filter screen is installed in the filter box.

[0024] Further, a scraping ring is sleeved outside the filter element; the scraping ring abuts against the outer wall of the filter element; the scraping ring is fixed on the impact block through a connecting rod.

[0025] The beneficial effect of the present invention is that when the outer surface of the filter element is blocked by fine particles and the purification efficiency is reduced, the cleaning device impacts the blocking block to make it slide into the clean water pipe and block the water outlet hole, so that the clean water cavity becomes a closed chamber. At the same time, the blocking block continues to slide into the clean water pipe to pressurize the clean water cavity, so that the clean water and air in the clean water cavity are backflushed to the raw water cavity through the pores of the filter element, realizing that when the purification efficiency of the filter element is reduced to a preset value, the filter element can be backflushed in time. Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0027] Figure 1 It is a schematic structural diagram of an embodiment of an outdoor portable water purifier of the present invention;

[0028] Figure 2 It is a schematic diagram when the filter box of the embodiment of the present invention is removed;

[0029] Figure 3 It is a rear view of the embodiment of the present invention;

[0030] Figure 4 It is a schematic diagram of the internal structure of the embodiment of the present invention;

[0031] Figure 5 It is a front view of the internal structure of the embodiment of the present invention;

[0032] Figure 6 It is a sectional view of the embodiment of the present invention;

[0033] Figure 7 is Figure 6 an enlarged view of part A in

[0034] Figure 8 is Figure 6 an enlarged view of part B in

[0035] Figure 9 is a schematic view of the drain piston, power rod, lower energy storage cylinder, and trigger disc of an embodiment of the present invention;

[0036] Figure 10 is a front view of the drain piston, power rod, lower energy storage cylinder, and trigger disc of an embodiment of the present invention;

[0037] Figure 11 is a schematic view of the impact block, outer energy storage cylinder, upper energy storage cylinder, telescopic rod, and impact spring of an embodiment of the present invention;

[0038] Figure 12 is a sectional view of the impact block, outer energy storage cylinder, upper energy storage cylinder, telescopic rod, and impact spring of an embodiment of the present invention;

[0039] Figure 13 is a schematic view of the water purification pipe and the plugging block of an embodiment of the present invention;

[0040] Figure 14 is a schematic view of the purification cylinder, filter element, and scraping ring of an embodiment of the present invention;

[0041] In the figure: 100, bracket; 200, purification cylinder; 210, filter element; 220, purified water cavity; 230, raw water cavity; 240, water purification pipe; 250, plugging block; 260, water outlet hole; 310, drain cylinder; 320, drain piston; 330, first one-way valve; 340, second one-way valve; 350, drain pipe; 360, third one-way valve; 370, mounting ring; 410, pumping cylinder; 420, pumping piston; 430, fourth one-way valve; 440, fifth one-way valve; 450, suction pipe; 460, filter box; 500, power device; 510, power rod; 520, transmission rod; 530, pedal; 600, cleaning device; 610, impact block; 620, impact spring; 630, scraping ring; 641, upper energy storage cylinder; 642, lower energy storage cylinder; 643, outer energy storage cylinder; 644, telescopic rod; 651, upper ratchet tooth; 652, lower ratchet tooth; 661, outer ratchet tooth; 662, inner ratchet tooth; 671, trigger disc; 672, trigger spring; 673, trigger post; 700, housing. Detailed implementation manner

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0043] An embodiment of an outdoor portable water purifier of the present invention is as Figures 1 to 14 shown: An outdoor portable water purifier includes a housing 700, a bracket 100, a purification cylinder 200, a water pumping device, a drainage device, a power device 500, and a cleaning device 600. The bracket 100 is fixed inside the housing 100. A handle is fixed to the upper end of the housing 700 for easy lifting and moving.

[0044] The purification cylinder 200 is fixed on the bracket 100 along the axis up and down. The upper end of the purification cylinder 200 is fixedly connected to a water pumping cylinder 410, and the lower end is fixedly connected to a drainage cylinder 310. A filter element 210 is fixed to the bottom wall of the purification cylinder 200. The filter element 210 can be selected as a ceramic core and an RO reverse osmosis core according to the needs of water quality, etc. The middle of the filter element 210 along the axis is a purified water cavity 220. The upper end of the purified water cavity 220 is sealed, and the lower end is communicated with the drainage cylinder 310 through a purified water pipe 240. A raw water cavity 230 is formed between the filter element 210 and the purification cylinder 200. An outlet hole 260 is provided at the lower end of the side wall of the purified water pipe 240. A blocking block 250 is provided at the outlet hole 260. A return spring is connected between the blocking block 250 and the purification cylinder 200. The upper end of the blocking block 250 slides in a sealed manner with the purified water pipe 240. In the initial state, the return spring makes the blocking block 250 partially inserted into the purified water pipe 240 and does not block the outlet hole 260.

[0045] The drainage device is arranged in the drainage cylinder 310. The drainage device includes a drainage piston 320. The drainage piston 320 slides in the drainage cylinder 310 to divide the drainage cylinder 310 into a non-communicating upper drainage cylinder and a lower drainage cylinder. A first one-way valve 330 is provided on the drainage piston 320 to open when the drainage piston 320 slides upward and close when it slides downward, so that the purified water in the upper drainage cylinder enters the lower drainage cylinder when the drainage piston 320 slides upward. A second one-way valve 340 and a third one-way valve 360 are provided at the lower end of the lower drainage cylinder. The second one-way valve 340 is communicated with a drainage pipe 350. The second one-way valve 340 closes when the drainage piston 320 moves upward and opens when the drainage piston 320 moves downward. The third one-way valve 360 is communicated with the outside and opens when the drainage piston 320 moves upward and closes when the drainage piston 320 moves downward.

[0046] The pumping device is arranged inside the pumping cylinder 410 and includes a pumping piston 420. The pumping piston 420 slides inside the drainage cylinder 310 to divide the pumping cylinder 410 into a non-connecting upper pumping cylinder and a lower pumping cylinder. The lower end of the pumping piston 420 is fixedly connected to the upper end of the power rod 510. A fourth one-way valve 430 is provided on the pumping piston 420 to open when the pumping piston 420 slides upward and close when it slides downward. The upper end of the lower pumping cylinder is provided with a fifth one-way valve 440. A water suction pipe 450 is connected to the fifth one-way valve 440, and the movable end of the water suction pipe 450 is connected to a filter box 460. A filter screen is installed inside the filter box 460. The fifth one-way valve 440 closes when the pumping piston 420 moves upward and opens when the pumping piston 420 moves downward. A groove is provided on the outer shell 700. When not in use, the water suction pipe 450 is retracted into the outer shell 700, and then the filter box 460 is stuck in the groove.

[0047] When the pumping piston 420 moves upward, the fourth one-way valve 430 opens and the fifth one-way valve 440 closes, so that the raw water in the upper pumping cylinder enters the lower pumping cylinder when the pumping piston 420 slides upward and enters the raw water chamber 230 in the water purification cylinder. When the pumping piston 420 moves downward, the fourth one-way valve 430 closes and the fifth one-way valve 440 opens to pressurize the raw water in the raw water chamber 230. At the same time, the outside raw water enters the upper pumping cylinder through the water suction pipe 450 and the fifth one-way valve 440. When the pumping piston 420 moves downward to squeeze the raw water and the drainage piston 320 moves downward synchronously, the first one-way valve 330 closes, the second one-way valve 340 opens, and the third one-way valve 360 closes to provide negative pressure for the water purification chamber 220 to assist in the purification of the raw water, and at the same time, discharge the purified water through the second one-way valve 340 and the drain pipe 350. When the pumping piston 420 moves upward and the drainage piston 320 moves upward synchronously, the first one-way valve 330 opens so that the purified water in the upper drainage cylinder enters the lower drainage cylinder when the drainage piston 320 slides upward, the second one-way valve 340 closes to prevent the discharged purified water from being drawn back into the lower drainage cylinder, and the third one-way valve 360 opens to allow outside air to enter the lower drainage cylinder, reducing the resistance of the drainage piston 320 moving upward and making the drainage piston 320 move upward more smoothly.

[0048] The power device 500 includes a power structure and two power rods 510 symmetrically arranged up and down. The lower power rod 510 is slidably mounted on the drainage cylinder 310 and is arranged below the drainage piston 320. The power structure includes a transmission rod 520, a pedal 530, and an electric component. The transmission rod 520 is arranged vertically, and both ends are fixedly connected to the power rod 510 through a connecting plate. The pedal 530 is slidably arranged on the bracket 100 up and down, and extends out of the housing 700 and is fixedly connected to the transmission rod 520. A reciprocating spring is connected between the pedal 530 and the bracket 100. The electric component includes a motor and a turntable; the motor is horizontally fixed to the upper end of the pumping cylinder 410; the turntable is fixed to the output shaft of the motor; a sliding rod is provided on the connecting plate; the lower end of the sliding rod is slidably mounted on the upper connecting plate of the upper power rod 510 through a sliding groove, and the upper end is rotatably mounted on the edge of the turntable; in other embodiments, the electric component is a hydraulic cylinder; the hydraulic cylinder is fixed to the upper end of the pumping cylinder 410, and the piston rod of the hydraulic cylinder is fixedly connected to the upper connecting plate of the upper power rod 510. A lithium battery is fixedly installed in the housing 700 to power the motor or hydraulic cylinder. When used outdoors, the bracket 100 is placed near a water source, the movable end of the water pumping pipe 450 is placed in the raw water outside, the motor or hydraulic cylinder is started, and the two power rods 510 are driven to move downward synchronously. When the power is insufficient, the pedal 530 is stepped on and the transmission rod 520 drives the two power rods 510 to move downward synchronously. When the pedal 530 reaches the preset position, the pedal 530 is released to reset under the action of the reciprocating spring, and the above actions are repeated to achieve continuous driving.

[0049] The cleaning device 600 is arranged in the drainage cylinder 310 and is located above the drainage device. When the outer surface of the filter element 210 is blocked by fine particles and the purification efficiency is reduced, the impact block 250 is made to slide into the clean water pipe 240 and block the water outlet 260 to make the clean water chamber 220 a closed chamber. At the same time, the blocking block 250 continues to slide into the clean water pipe 240 to pressurize the clean water chamber 220, so that the clean water and air in the clean water chamber 220 are backwashed to the raw water chamber 230 through the pores of the filter element 210, so that when the purification efficiency of the filter element 210 is reduced to a preset value, the filter element 210 can be backwashed in time. The cleaning device 600 includes an impact block 610, a power storage component, and a trigger component. The impact block 610 is cylindrical, arranged below the blocking block 250, and is fixedly connected to the drainage cylinder 310 by an impact spring 620 through a mounting ring 370. A scraper ring 630 is sleeved on the outside of the filter element 210. The scraper ring 630 abuts against the outer wall of the filter element 210. The scraper ring 630 is fixed to the impact block 610 through a connecting rod. When the impact block 610 moves upward to impact the blocking block 250, the scraper ring 630 moves upward with the impact block 610 to clean the outer surface of the filter element 210.

[0050] The energy storage assembly includes an upper energy storage cylinder 641, a lower energy storage cylinder 642, and an outer energy storage cylinder 643. The lower energy storage cylinder 642 is rotatably mounted on the drainage piston 320. The upper energy storage cylinder 641 is fixed to the lower end of the impact block 610. A first one-way structure is provided between the upper energy storage cylinder 641 and the lower energy storage cylinder 642. The first one-way structure includes a plurality of upper ratchet teeth 651 and a plurality of lower ratchet teeth 652. The plurality of upper ratchet teeth 651 are circumferentially spaced at a preset angle along the upper energy storage cylinder 641. The upper ratchet teeth 651 are slidably arranged on the outer wall of the upper energy storage cylinder 641 in the radial direction of the upper energy storage cylinder 641. A compression spring is connected between the upper ratchet teeth 651 and the upper energy storage cylinder 641. The plurality of lower ratchet teeth 652 are circumferentially spaced at a preset angle along the lower energy storage cylinder 642. The lower ratchet teeth 652 are fixed to the inner wall of the lower energy storage cylinder 642. The first one-way structure is used to drive the impact block 610 to move downward after the drainage piston 320 drives the lower energy storage cylinder 642 to move upward and fit over the outside of the upper energy storage cylinder 641 and then move downward, so as to store energy in the impact spring 620.

[0051] The outer energy storage cylinder 643 is sleeved on the outside of the impact block 610 and is rotatably mounted on the mounting ring 370. A second one-way structure is provided between the outer energy storage cylinder 643 and the impact block 610. The second one-way structure includes a plurality of outer ratchet teeth 661 and a plurality of inner ratchet teeth 662. The plurality of outer ratchet teeth 661 are circumferentially spaced at a preset angle along the outer energy storage cylinder 643. The outer ratchet teeth 661 are fixed to the inner wall of the outer energy storage cylinder 643. The plurality of inner ratchet teeth 662 are circumferentially spaced at a preset angle along the upper energy storage cylinder 641. The inner ratchet teeth 662 are slidably arranged on the outer peripheral wall of the impact block 610 in the radial direction of the upper energy storage cylinder 641. A compression spring is connected between the upper ratchet teeth 651 and the upper energy storage cylinder 641. The second one-way structure is used to lock the impact block 610 at a preset position when the impact block 610 moves downward to the preset position. A telescopic rod 644 is fixedly connected between the outer energy storage cylinder 643 and the lower energy storage cylinder 642. The telescopic rod 644 is used to make the outer energy storage cylinder 643 rotate synchronously with the lower energy storage cylinder 642.

[0052] When the drainage piston 320 drives the lower energy storage cylinder 642 to move upward, the lower energy storage cylinder 642 is sleeved on the outside of the upper energy storage cylinder 641, and the upper ratchet teeth 651 compress the compression spring to make the lower ratchet teeth 652 slide upward. When the drainage piston 320 drives the lower energy storage cylinder 642 to move downward, the compression spring of the upper ratchet teeth 651 resets to make the upper ratchet teeth 651 extend, so that the lower ratchet teeth 652 and the upper ratchet teeth 651 are engaged, thereby driving the drainage piston 320 to drive the upper energy storage cylinder 641 to drive the impact block 610 to move downward to a preset position to stretch the impact spring 620 for energy storage. When the drainage piston 320 drives the lower energy storage cylinder 642 to move downward, the inner ratchet teeth 662 compress the compression spring to make the inner ratchet teeth 662 slide downward on the surface of the outer ratchet teeth 661 to a preset position, and the compression spring of the inner ratchet teeth 662 resets to make the inner ratchet teeth 662 extend and engage with the outer ratchet teeth 661 to prevent the upper energy storage cylinder 641 from driving the impact block 610 to move upward, so that the impact block 610 is locked at the preset position.

[0053] The triggering assembly is arranged between the drainage piston 320 and the power device 500, and includes a triggering disc 671, a triggering spring 672, and a triggering column 673. The triggering disc 671 is fixed to the upper end of the corresponding power rod 510. One end of the triggering spring 672 is fixed to the drainage piston 320, and the other end is fixed to the triggering disc 671. The triggering column 673 is arranged in the energy storage lower cylinder 642, with its lower end fixed to the triggering disc 671, and a ball screw fit is provided between its upper end and the lower end of the energy storage lower cylinder 642. The triggering assembly is used to unlock the impact block 610 when the purification efficiency of the filter element 210 decreases, and the impact spring 620 releases force to drive the impact block 610 to impact the blocking block 250. When the purification efficiency of the filter element 210 decreases, due to the blockage of the fine pores on the filter element 210, when the drainage piston 320 moves downward, the negative pressure in the purified water chamber 220 increases. Then, when the power rod 510 drives the drainage piston 320 to move downward through the triggering disc 671 and the triggering spring 672, the triggering spring 672 is stretched, causing the triggering disc 671 and the drainage piston 320 to move away from each other. Then, the triggering column 673 drives the energy storage lower cylinder 642 to drive the energy storage outer cylinder 643 to rotate a preset angle through the telescopic rod 644, causing the lower ratchet tooth 652 and the upper ratchet tooth 651 to disengage from each other, and at the same time causing the inner ratchet tooth 662 and the outer ratchet tooth 661 to disengage from each other to unlock the energy storage upper cylinder 641 and the impact block 610. Thus, the impact spring 620 releases force to drive the impact block 610 to impact the blocking block 250.

[0054] Combined with the above embodiments, the working principle and process of the present invention are as follows: When used outdoors, place the bracket 100 near the water source, place the movable end of the water suction pipe 450 into the raw water outside, and start the motor or hydraulic cylinder to drive the two power rods 510 to move downward synchronously. When the power is insufficient, step on the pedal 530 and drive the two power rods 510 to move downward synchronously through the transmission rod 520. When stepping on to the preset position, release the foot to make the pedal 530 reset under the action of the reciprocating spring, and repeat the above actions to achieve continuous driving for water extraction, water pressure, and water purification. When the water extraction piston 420 moves upward, the fourth one-way valve 430 opens and the fifth one-way valve 440 closes, so that the raw water in the water extraction upper cylinder enters the water extraction lower cylinder when the water extraction piston 420 slides upward, and enters the raw water chamber 230 in the water purification cylinder.

[0055] When the water extraction piston 420 moves downward, the fourth one-way valve 430 closes and the fifth one-way valve 440 opens to pressurize the raw water in the raw water chamber 230. At the same time, the raw water outside enters the water extraction upper cylinder through the water suction pipe 450 and the fifth one-way valve 440.

[0056] When the pumping piston 420 moves downward to squeeze the raw water and the drain piston 320 moves downward synchronously, the first one-way valve 330 closes, the second one-way valve 340 opens, and the third one-way valve 360 closes, so as to provide a negative pressure for the water purification chamber 220 to assist in the purification of raw water, and at the same time, discharge the purified water through the second one-way valve 340 and the drain pipe 350.

[0057] When the pumping piston 420 moves upward and the drain piston 320 moves upward synchronously, the first one-way valve 330 opens, so that the purified water in the upper drain cylinder enters the lower drain cylinder when the drain piston 320 slides upward. The second one-way valve 340 closes to prevent the discharged purified water from being pumped back into the lower drain cylinder. The third one-way valve 360 opens to allow outside air to enter the lower drain cylinder, reducing the resistance of the drain piston 320 moving upward so that the drain piston 320 moves upward more smoothly.

[0058] At the same time, when the drain piston 320 drives the lower energy storage cylinder 642 to move upward, the lower energy storage cylinder 642 is sleeved outside the upper energy storage cylinder 641, and the upper ratchet 651 compresses the compression spring to make the lower ratchet 652 slide upward. When the drain piston 320 drives the lower energy storage cylinder 642 to move downward, the compression spring of the upper ratchet 651 resets to make the upper ratchet 651 protrude, so that the lower ratchet 652 and the upper ratchet 651 are engaged, so that the drain piston 320 drives the upper energy storage cylinder 641 to drive the impact block 610 to move downward to a preset position to stretch the impact spring 620 for energy storage. And while the drain piston 320 drives the lower energy storage cylinder 642 to move downward, the inner ratchet 662 compresses the compression spring to make the inner ratchet 662 slide downward to a preset position on the surface of the outer ratchet 661. The compression spring of the inner ratchet 662 resets to make the inner ratchet 662 protrude and engage with the outer ratchet 661 to prevent the upper energy storage cylinder 641 from driving the impact block 610 to move upward, so that the impact block 610 is locked at the preset position.

[0059] When the purification efficiency of the filter element 210 decreases, due to the blockage of the fine pores on the filter element 210, when the drain piston 320 moves downward, the negative pressure in the purified water cavity 220 increases. Then, when the power rod 510 drives the drain piston 320 to move downward through the trigger disc 671 and the trigger spring 672, the trigger spring 672 is stretched by a preset length, so that the trigger disc 671 and the drain piston 320 are separated by a certain distance. Then, the trigger post 673 drives the energy storage lower cylinder 642 to drive the energy storage outer cylinder 643 to rotate by a preset angle through the telescopic rod 644, so that the lower ratchet 652 and the upper ratchet 651 are disengaged from each other, and at the same time, the inner ratchet 662 and the outer ratchet 661 are disengaged from each other to unlock the energy storage upper cylinder 641 and the impact block 610. Thus, the impact spring 620 releases force to drive the impact block 610 to impact the blocking block 250, so that the blocking block 250 slides into the purified water pipe 240 and blocks the water outlet hole 260, making the purified water cavity 220 a closed chamber. At the same time, the blocking block 250 continues to slide into the purified water pipe 240 to pressurize the purified water cavity 220, so that the purified water and air in the purified water cavity 220 are backflushed to the raw water cavity 230 through the pores of the filter element 210, realizing that when the purification efficiency of the filter element 210 decreases to a preset value, the filter element 210 can be backflushed in time.

[0060] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An outdoor portable water purifier, characterized in that: It includes a housing (700), a bracket (100), a purification cylinder (200), a water pumping device, a drainage device, a power device (500), and a cleaning device (600); the bracket (100) is fixed inside the housing (700); The purification cylinder (200) is fixed to the bracket (100) vertically; the upper end of the purification cylinder (200) is fixedly connected to a water pumping cylinder (410), and the lower end is fixedly connected to a drainage cylinder (310); a filter element (210) is fixed on the bottom wall of the purification cylinder (200); the axis of the filter element (210) is hollow to form a purified water cavity (220); the upper end of the purified water cavity (220) is sealed, and the lower end is communicated with the drainage cylinder (310) through a purified water pipe (240); a raw water cavity (230) is formed between the filter element (210) and the purification cylinder (200); a water outlet hole (260) is provided at the lower end of the side wall of the purified water pipe (240); a plugging block (250) is provided at the water outlet hole (260); a return spring is connected between the plugging block (250) and the purification cylinder (200); the upper end of the plugging block (250) is in sealed sliding connection with the purified water pipe (240); The water pumping device is arranged in the water pumping cylinder (410) and is used to first pump raw water into the raw water cavity (230) and squeeze the raw water cavity (230); The drainage device is arranged in the drainage cylinder (310) and is used to provide negative pressure for the purified water cavity (220) to assist in purifying the raw water and discharge the purified water while the water pumping device squeezes the raw water; the drainage device includes a drainage piston (320); the drainage piston (320) slides in the drainage cylinder (310) to divide the drainage cylinder (310) into a non-communication upper drainage cylinder and a lower drainage cylinder; The power device (500) is used to drive the water pumping device and the drainage device; The cleaning device (600) is arranged inside the drainage cylinder (310) and above the drainage device. When the purification efficiency of the filter element (210) decreases, it strikes the blocking block (250) and slides into the purified water pipe (240) to block the purified water cavity (220) to form a closed chamber. At the same time, the blocking block (250) continues to slide into the purified water pipe (240) to pressurize the purified water cavity (220), so that the purified water and air in the purified water cavity (220) are backflushed through the pores of the filter element (210) to the raw water cavity (230), realizing the backwashing of the filter element (210); the cleaning device (600) includes an impact block (610), a power storage component, and a trigger component; the impact block (610) is arranged below the blocking block (250), and an impact spring (620) is fixedly connected between the impact block (610) and the drainage cylinder (310) through a mounting ring (370); the power storage component includes a power storage upper cylinder (641), a power storage lower cylinder (642), and a power storage outer cylinder (643); the power storage lower cylinder (642) is rotatably installed on the drainage piston (320); the power storage upper cylinder (641) is fixed to the lower end of the impact block (610); a first one-way structure is arranged between the power storage upper cylinder (641) and the power storage lower cylinder (642); the first one-way structure is used to drive the impact block (610) to move downward when the drainage piston (320) drives the power storage lower cylinder (642) to move upward and sleeve outside the power storage upper cylinder (641) and then move downward, so that the impact spring (620) stores power; the power storage outer cylinder (643) is sleeved outside the impact block (610) and rotatably installed on the mounting ring (370); a second one-way structure is arranged between the power storage outer cylinder (643) and the impact block (610); the second one-way structure is used to lock the impact block (610) at a preset position when the impact block (610) moves downward to the preset position; a telescopic rod (644) is fixedly connected between the power storage outer cylinder (643) and the power storage lower cylinder (642); the trigger component is arranged between the drainage piston (320) and the power device (500), and is used to unlock the impact block (610) when the purification efficiency of the filter element (210) decreases, and the impact spring (620) releases power to drive the impact block (610) to strike the blocking block (250).

2. The outdoor portable water purifier according to claim 1, characterized in that: A first one-way valve (330) is arranged on the drainage piston (320) to open when the drainage piston (320) moves upward and close when it moves downward; A second one-way valve (340) and a third one-way valve (360) are arranged at the lower end of the drainage lower cylinder; a drain pipe (350) is communicated with the second one-way valve (340), and the second one-way valve (340) closes when the drainage piston (320) moves upward and opens when the drainage piston (320) moves downward; the third one-way valve (360) is communicated with the outside, and opens when the drainage piston (320) moves upward and closes when the drainage piston (320) moves downward.

3. The outdoor portable water purifier according to claim 2, characterized in that: The first one-way structure includes a plurality of upper ratchets (651) and a plurality of lower ratchets (652); the plurality of upper ratchets (651) are circumferentially and evenly distributed on the energy storage upper cylinder (641) at a preset angle; the upper ratchets (651) are slidably arranged on the outer wall of the energy storage upper cylinder (641) in the radial direction of the energy storage upper cylinder (641); a compression spring is connected between the upper ratchet (651) and the energy storage upper cylinder (641); the plurality of lower ratchets (652) are circumferentially and evenly distributed on the energy storage lower cylinder (642) at a preset angle; the lower ratchets (652) are fixed on the inner wall of the energy storage lower cylinder (642).

4. The outdoor portable water purifier according to claim 3, characterized in that: The second one-way structure includes a plurality of outer ratchets (661) and a plurality of inner ratchets (662); the plurality of outer ratchets (661) are circumferentially and evenly distributed on the energy storage outer cylinder (643) at a preset angle; the outer ratchets (661) are fixed on the inner wall of the energy storage outer cylinder (643); the plurality of inner ratchets (662) are circumferentially and evenly distributed on the energy storage upper cylinder (641) at a preset angle; the inner ratchets (662) are slidably arranged on the impact block (610) in the radial direction of the energy storage upper cylinder (641); a compression spring is connected between the upper ratchet (651) and the energy storage upper cylinder (641).

5. The outdoor portable water purifier according to claim 4, wherein: The power device (500) includes a power structure and two power rods (510) symmetrically arranged up and down; the lower power rod (510) is slidably installed on the drain cylinder (310) and is arranged below the drain piston (320); The trigger assembly includes a trigger disc (671), a trigger spring (672), and a trigger post (673); the trigger disc (671) is fixed to the upper end of the corresponding power rod (510); one end of the trigger spring (672) is fixed to the drain piston (320), and the other end is fixed to the trigger disc (671); the trigger post (673) is arranged in the energy storage lower cylinder (642), the lower end is fixed to the trigger disc (671), and the upper end and the lower end of the energy storage lower cylinder (642) are in ball screw fit.

6. The outdoor portable water purifier according to claim 5, wherein: The pumping device includes a pumping piston (420); the pumping piston (420) slides in the drain cylinder (310) to divide the pumping cylinder (410) into a non-connecting upper pumping cylinder and a lower pumping cylinder; The pumping piston (420) is fixedly connected to the lower end of the upper power rod (510); A fourth one-way valve (430) is provided on the pumping piston (420) to open when the pumping piston (420) slides upward and close when it slides downward; A fifth one-way valve (440) is provided at the upper end of the lower pumping cylinder; the fifth one-way valve (440) is connected to a water suction pipe (450), and the fifth one-way valve (440) closes when the pumping piston (420) moves upward and opens when the pumping piston (420) moves downward.

7. The outdoor portable water purifier according to claim 5, wherein: The power structure includes a transmission rod (520), a pedal (530), and an electric component; the transmission rod (520) is vertically arranged, and both ends are fixedly connected to the power rod (510) through a connecting plate; The pedal (530) is slidably arranged on the bracket (100) in the up-and-down direction and is fixedly connected to the transmission rod (520); a reciprocating spring is connected between the pedal (530) and the bracket (100); the electric component includes a motor and a turntable; the motor is horizontally fixed at the upper end of the water pumping cylinder (410); the turntable is fixed on the output shaft of the motor; a sliding rod is arranged on the connecting plate; the lower end of the sliding rod is slidably installed on the upper power rod (510) on the connecting plate through a chute, and the upper end is rotatably installed at the edge of the turntable.

8. An outdoor portable water purifier according to claim 6, characterized in that: The movable end of the water suction pipe (450) is connected with a filter box (460); a filter screen is installed in the filter box (460).

9. The outdoor portable water purifier according to claim 1, characterized in that: A scraping ring (630) is sleeved outside the filter element (210); the scraping ring (630) abuts against the outer wall of the filter element (210); the scraping ring (630) is fixed on the impact block (610) through a connecting rod.

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