Negative pressure filter water purifier

Abstract

The present invention provides a negative pressure filtration water purifier kettle, comprising a kettle, a filter element, a pressing device, a spring, a ball and a water outlet cover, wherein: the bottom of the pressing device is connected to the filter element, and the filter element extends into the kettle; the water outlet cover and the kettle are connected through the pressing device; the spring is arranged inside the pressing device, and a water inlet is arranged at the bottom of the pressing device, and the ball is pressed on the water inlet. The present invention has an ingenious structural design, is convenient to use and easy to carry; a pressing handle structure is adopted to allow the water in the kettle to be filtered by the filter element, so that the air inside the pressing device becomes negative pressure, and the water in the kettle is pumped to the upper end for drinking, solving the problem of water quality flowing from bottom to top; the present invention uses a ball as a switch to control the water flow, realizing negative pressure pumping; the present invention adopts a stainless steel telescopic tube at the tail of the filter element, solving the problem of inconvenient water pumping due to different angles of the kettle; the filter element and the kettle of the present invention can be used separately, solving the problem of inconvenience in carrying and installation.

Description

Technical Field

[0001] The present invention relates to a kettle, in particular to a negative pressure filtering water purification kettle. Background Art

[0002] As people's health awareness improves, the requirements for the purity of drinking water are gradually increasing. When participating in outdoor activities, if you carry a lot of drinking water, it will consume physical strength and increase the burden of activities. Drinking water directly outdoors can easily cause physical discomfort. Therefore, in daily outdoor activities, water bottles with filtering functions have become a popular choice for people. Currently, the filtering water bottles with filtering functions on the market all use positive pressure devices for positive pressure extraction, which consumes a lot of effort and is not suitable for users with less strength; the filter elements in existing water bottles all use straight filter elements, which cannot completely drain the water in the water bottle.

[0003] The utility model patent with application number 201420410533.2 discloses a portable filter kettle for outdoor use, including a filter kettle body, a kettle cover is arranged at the upper end of the filter kettle body; a filter element is installed at the lower part of the inner cavity of the filter kettle body, and a space for accommodating water to be purified is provided between the filter element and the kettle cover; a connecting part is arranged on the outer surface of the kettle cover, a thread is arranged on the outer surface of the connecting part, and a top cover is installed on the connecting part through the thread; an inner hole is arranged on the connecting part, the inner hole is connected to the accommodating space, and the diameter at the opening of the inner hole is larger than the diameter at the bottom of the inner hole, forming an inner cavity with a larger upper part and a smaller lower part; a pipe joint is arranged at the lower end of the filter kettle body, a thread is arranged on the outer surface of the pipe joint, a water outlet joint is connected to the pipe joint through the thread, and a water outlet hole connected to the center hole of the water outlet joint is arranged at the center of the pipe joint. The utility model is easy to carry and can ensure that people can purify and obtain safe drinking water when drawing drinking water in the wild. The above utility model has the following defects: it is inconvenient to drink, water needs to be filled from the top and discharged from the bottom, and the filter element is not easy to disassemble, and subsequent cleaning, carrying and replacement are not convenient. Summary of the invention

[0004] In view of the defects in the prior art, the purpose of the present invention is to provide a negative pressure filtering water purifier kettle.

[0005] According to the present invention, a negative pressure filtering water purification kettle comprises a kettle, a filter element, a pressing device, a spring, a ball and a water outlet cover, wherein: the bottom of the pressing device is connected to the filter element, and the filter element extends into the kettle; the water outlet cover and the kettle are connected through the pressing device; the spring is arranged inside the pressing device, and a water inlet is arranged at the bottom of the pressing device, and the ball is pressed on the water inlet.

[0006] Preferably, the pressing device includes a pressing body, the pressing body includes a accommodating chamber, the top of the accommodating chamber is threadedly connected to the water outlet cover; the bottom of the accommodating chamber is threadedly connected to the filter element; the outer wall of the accommodating chamber is provided with a thread, which is threadedly connected to the mouth of the kettle.

[0007] Preferably, the pressing device also includes a pressing shaft, a pressing axis, a handle and a slider, wherein: the top of the pressing shaft passes through the water outlet cover and is connected to the handle, the top of the pressing axis is threadedly connected to the bottom of the pressing shaft, and the slider is arranged between the pressing shaft and the pressing axis; the bottom of the pressing axis rests against the upper end of the spring, and the lower end of the spring rests against the bottom of the accommodating cavity.

[0008] Preferably, a water outlet pipe is provided on the side of the water outlet cover.

[0009] Preferably, a filter membrane is installed in the filter element.

[0010] Preferably, a telescopic tube is provided at the tail of the filter element.

[0011] Preferably, an annular groove is provided on the upper side of the sliding block, and the bottom of the pressing shaft extends outward and then downward to form a limiting member matching the annular groove, and the limiting member extends into the annular groove.

[0012] Preferably, it also includes a sealing device, which is arranged between the pressing device and the filter element, between the pressing device and the water outlet cover, and inside the pressing device.

[0013] Preferably, an inverted truncated cone-shaped water inlet is provided at the bottom of the pressing device, and the radius of the sphere is larger than the radius of the water inlet.

[0014] Preferably, it further comprises a rubber cover, which is arranged between the handle and the water outlet cover, and the rubber cover can cover the water outlet on the water outlet cover.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention has an ingenious structural design, is easy to use and carry;

[0017] 2. The present invention adopts a pressing handle structure to filter the water in the kettle through the filter element, so that the air inside the pressing device becomes negative pressure, and the water in the kettle is pumped to the upper end for drinking, thus solving the problem of water flowing from bottom to top;

[0018] 3. The present invention ingeniously uses a ball as a switch to control water flow, thus achieving negative pressure pumping;

[0019] 4. The present invention adopts a stainless steel telescopic tube that can rotate 360 ​​degrees at the tail of the filter element to meet the pumping requirements of different bottom angles of the kettle, thus solving the problem of inconvenient pumping due to different angles of the kettle;

[0020] 5. The filter element and the kettle of the present invention can be used separately, which solves the problem of inconvenient carrying and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0022] Figure 1 This is the appearance structure diagram of the negative pressure filtration water purifier kettle;

[0023] Figure 2 It is a cross-sectional view of a negative pressure filtration water purifier kettle;

[0024] Figure 3 This is a schematic diagram of the water flow direction of the negative pressure filtration water purifier kettle;

[0025] Figure 4 This is a schematic diagram of the explosion of a negative pressure filtration water purifier kettle.

[0026] The figure shows:

[0027] Rubber cover 1

[0028] Handle 2

[0029] Water outlet cover 3

[0030] Mesh 4

[0031] O-ring 5

[0032] O-ring 6

[0033] Corpus cavernosum7

[0034] File 8

[0035] Pressing shaft 9

[0036] Filter 10

[0037] PP cotton 11

[0038] Slider 12

[0039] Rotating piece 13

[0040] PP cotton 14

[0041] Filter element seal 15

[0042] Lid seal 16

[0043] Lid seal 17

[0044] Press axis 18

[0045] Press the main body 19

[0046] Ball 20

[0047] Press shaft seal ring 21

[0048] Press the main body seal ring 22

[0049] Press shaft seal ring 23

[0050] Kettle 24

[0051] Filter cartridge 25

[0052] Filter 26

[0053] Spring 27 DETAILED DESCRIPTION

[0054] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0055] like Figures 1 to 4 As shown, a negative pressure filtering kettle provided according to the present invention includes a rubber cover 1, a handle 2, a water outlet cover 3, a mesh 4, an O-ring 5, an O-ring 6, a sponge 7, a baffle 8, a pressing shaft 9, a filter plate 10, a PP cotton 11, a slider 12, a rotating plate 13, a PP cotton 14, a filter element sealing ring 15, a lid sealing ring 16, a lid sealing ring 17, a pressing axis 18, a pressing body 19, a ball 20, a pressing shaft sealing ring 21, a pressing body sealing ring 22, a pressing shaft sealing ring 23, a kettle 24, a filter element sleeve 25, a filter element 26 and a spring 27, wherein: the handle 2, the water outlet cover 3, the pressing shaft 9, the slider 12, the pressing axis 18, the pressing body 19, and the filter element 26 are arranged in sequence from top to bottom. The pressing body 19 includes a accommodating chamber, the top of which is provided with a threaded groove, which is threadedly connected to the water outlet cover 3; the bottom of the accommodating chamber is threadedly connected to the filter element 26, and the filter element 26 extends into the kettle 24; the outer wall of the accommodating chamber is provided with a thread, which is threadedly connected to the mouth of the kettle 24.

[0056] The spring 27 is arranged inside the pressing body 19, and a water inlet is arranged at the bottom of the pressing body 19. Figure 3 As shown, the water inlet is set to be an inverted truncated cone, and the radius of the water inlet is smaller than the radius of the ball 20, and the ball 20 is pressed on the water inlet. The ball 20 contacts the water inlet to achieve sealing of the bottom of the pressing body 19.

[0057] The top of the pressing shaft 9 passes through the water outlet cover 3 and is connected to the handle 2. The top of the pressing axis 18 is threadedly connected to the bottom of the pressing shaft 9. The slider 12 is arranged between the pressing shaft 9 and the pressing axis 18. An annular groove is arranged on the upper side of the slider 12. The bottom of the pressing shaft 9 extends outward and downward to form a limit piece matching the annular groove, and the limit piece extends into the annular groove; the bottom of the pressing axis 18 abuts against the upper end of the spring 27, and the lower end of the spring 27 abuts against the bottom of the accommodating cavity.

[0058] Furthermore, a water outlet pipe is arranged on the side of the water outlet cover 3. The rubber cover 1 is arranged between the handle 2 and the water outlet cover 3, and the rubber cover 1 can cover the water outlet pipe on the water outlet cover 3.

[0059] More specifically, a filter membrane, which may be an ultrafiltration membrane, is installed in the filter element 26. A telescopic tube is provided at the tail of the filter element 26.

[0060] O-ring 5, O-ring 6, sponge 7, filter sheet 10, PP cotton 11, PP cotton 14, filter element seal 15, lid seal 16, lid seal 17, pressing shaft seal 21, pressing body seal 22, pressing shaft seal 23 are arranged between kettle 24 and water outlet cover 3 to achieve sealing of negative pressure filtering kettle. No further details are given here.

[0061] The working principle of the present invention is as follows: when the hand presses the handle 2, the displacement of the slider 12 will evacuate the air in the pressing body 19, the ball 20 will press against the through hole in the pressing body 19, and the accommodating cavity will be in a negative pressure state. When the pressing handle 2 is released, the accommodating cavity in the pressing body 19 will be in a negative pressure state through the rebound of the spring 27, the ball 20 will be passively released, and the water in the kettle will flow into the accommodating cavity of the pressing body 19 through the filter element 26. When the handle 2 is pressed repeatedly, the water in the kettle will flow through the pressing body 19, flow into the pressing axis 18, and flow out from the through hole of the water outlet cover 3. The present invention also provides a filter sleeve 25 as a sleeve used by the filter element alone. When the kettle 24 and the filter element 26 are used separately, the filter sleeve 25 is connected to the filter element 26 by a screw thread to prevent the filter element 26 from being affected by environmental factors during independent use. The use quality and effect of the filter element 26.

[0062] The filter element 26 is provided with a through hole, which is used as a water channel in the kettle 24. When the water level in the kettle is at the bottom of the kettle, the water can also flow into the filter element through the through hole at the bottom of the filter element. The tail of the filter element 26 adopts a telescopic tube, which can pump water from different bottom surfaces in the kettle to the water outlet cover 3 of the kettle to prevent the kettle from being unable to drink water due to low water level.

[0063] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A negative pressure filtration water purifier kettle, characterized in that: It includes a kettle, a filter element, a pressing device, a spring, a ball, a filter element sleeve and a water outlet cover, wherein: the bottom of the pressing device is connected to the filter element, and the filter element extends into the kettle; the water outlet cover and the kettle are connected through the pressing device; the spring is arranged inside the pressing device, and a water inlet is arranged at the bottom of the pressing device, and the ball is pressed on the water inlet; The pressing device comprises a pressing body, and the pressing body comprises a receiving chamber, the top of the receiving chamber is threadedly connected to the water outlet cover; the bottom of the receiving chamber is threadedly connected to the filter element; the outer wall of the receiving chamber is provided with a thread, which is threadedly connected to the mouth of the kettle; The pressing device further comprises a pressing shaft, a pressing axis, a handle and a slider, wherein: the top of the pressing shaft passes through the water outlet cover and is connected to the handle, the top of the pressing axis is threadedly connected to the bottom of the pressing shaft, and the slider is arranged between the pressing shaft and the pressing axis; the bottom of the pressing axis abuts against the upper end of the spring, and the lower end of the spring abuts against the bottom of the accommodating cavity; A water outlet pipe is arranged on the side of the water outlet cover; A telescopic tube is provided at the tail of the filter element; When the kettle and the filter element are used separately, the filter element sleeve is connected to the filter element by screw thread; An annular groove is arranged on the upper side of the sliding block, and the bottom of the pressing shaft extends outward and then downward to form a limiting member matching the annular groove, and the limiting member extends into the annular groove.

2. The negative pressure filtration water purifier according to claim 1, characterized in that: The filter element is provided with a filter membrane.

3. The negative pressure filtration water purifier according to claim 1, characterized in that: It also includes a sealing device, which is arranged between the pressing device and the filter element, between the pressing device and the water outlet cover, and inside the pressing device.

4. The negative pressure filtration water purifier according to claim 1, characterized in that: An inverted truncated cone-shaped water inlet is arranged at the bottom of the pressing device, and the radius of the sphere is greater than the radius of the water inlet.

5. The negative pressure filtration water purifier according to claim 1, characterized in that: It also includes a rubber cover, which is arranged between the handle and the water outlet cover, and the rubber cover can cover the water outlet on the water outlet cover.

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