External water tank with detachable filter element

Abstract

The utility model relates to an external water tank with a detachable filter element, which comprises an independent water tank, a detachable filter bottle, a filter seat, a water inlet pipeline and a self-closing valve component, the independent water tank is arranged on the outer side of a water purifying tank body, a water inlet is arranged on a lower base of the independent water tank, and the water inlet and the self-closing valve component arranged at the upper end of the filter seat are assembled and sealed. The self-closing valve assembly comprises a water inlet connector, a one-way valve body, a one-way valve element, a reset spring and a sealing ring, a water inlet pipeline communicated with the filtering assembly in the water purifying tank is arranged in the filtering seat, a detachable filtering bottle is installed in the filtering seat, and a base in the detachable filtering bottle is provided with the water inlet connector. Water level detection is achieved through internal high and low liquid level induction, the problem that a traditional external water tank is prone to secondary pollution is solved, a filter bottle which is convenient and detachable is additionally arranged at the bottom of an existing independent water tank, a filter element can be rapidly replaced only by taking away the independent water tank, the filter element is convenient to replace, and bacteria can be effectively inhibited.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purifier technical field, concretely is external water tank with detachable filter core. BACKGROUND

[0002] Household life generally starts to use water purifier, and the demand for water purifier water quantity is higher and higher, only water storage in the internal water tank of the machine, must take water through the diaphragm pump, often uses the internal tank to take purified water when cooking in the kitchen, needs to connect for several minutes, the existing market appears the solution scheme of external water tank, but the external water tank cannot flow back to the filtering system in the water purifier again to implement secondary filtration, also does not have the filter core of detachable connection, cannot prevent purified water secondary pollution, therefore, it is necessary to increase the external water tank design on the water purifier, realize waterway simplification, and built-in detachable small filter core, make full use of space and replace the filter core quickly and conveniently, under the condition of satisfying the life fast water taking, guarantee the cleanliness of water source. SUMMARY

[0003] The utility model aims at satisfying the life fast water taking, and cannot flow back to the filtering system in the water purifier again to implement secondary filtration, sets up the solution scheme of external water tank, also cannot prevent purified water secondary pollution, guarantees the cleanliness of water source.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] An external water tank with detachable filter core, including the independent water tank of setting in the water purifier tank body outside, detachable filter bottle, filter seat and water inlet pipeline and self-closing valve assembly.

[0006] The lower base of independent water tank is provided with water inlet, and the water inlet is assembled and sealed with the self-closing valve assembly arranged on the upper end of filter seat,

[0007] The self-closing valve assembly includes a water inlet interface arranged on the lower part of the filter seat, a one-way valve body arranged on the water outlet of the detachable filter bottle, a one-way valve core, a reset spring and a sealing ring, the one-way valve core shaft hole is sleeved in the center hole of the one-way valve body, and the one-way valve core realizes one-way closure in cooperation with the reset spring, the one-way valve core is lifted upward by the reset spring in the initial posture, the lower valve cone arranged on the one-way valve core is attached to the inner wall of the lower closure port of the one-way valve body, to realize the closure of the water inlet, when the independent water tank is placed on the filter seat, the water inlet of the lower base of the independent water tank is matched with the shaft hole of the outer wall of the one-way valve body, and the sealing ring on the outer wall of the one-way valve body is matched to realize the sealing of the connection, and the one-way valve core is pressed down, the lower valve cone is separated from the lower closure port, so that purified water enters the independent water tank,

[0008] The filter seat is internally provided with a water inlet pipeline in communication with a filter assembly in the water purification tank, and a booster pump is arranged between the water inlet pipeline and the filter assembly to increase the water supply speed of the external water tank.

[0009] Further, a filter core is arranged in the detachable filter bottle to perform secondary filtration on the purified water entering from the water inlet interface, and then the purified water is poured into the independent water tank from the water outlet of the detachable filter bottle.

[0010] Further, the filter seat is provided with an upper cover, which is assembled with the filter seat after the detachable filter bottle is installed in the filter seat, and the upper cover precisely positions the water outlet of the detachable filter bottle, and is provided with a positioning table according to the shape of the base of the independent water tank to fully position the independent water tank for accurate placement and stable lifting.

[0011] Further, a spring for supporting the structure is arranged between the bottom of the detachable filter bottle and the filter seat.

[0012] Further, a liquid level sensor is arranged on the inner wall of the independent water tank to control the starting time and duration of the booster pump according to the amount of water poured into the independent water tank.

[0013] Compared with the prior art, the above technical scheme has the following technical effects:

[0014] The external water tank with the detachable filter core realizes rapid access to purified water through the design of the external water tank, and realizes water level detection through internal high-low liquid level sensing, solves the problem that the traditional external water tank is easily polluted again, and now the independent water tank is provided with a convenient and detachable filter bottle, so that the filter core can be quickly replaced by taking away the independent water tank, the filter core is convenient to replace and can effectively inhibit bacteria, and the utility is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the external water tank with the detachable filter core of the embodiment;

[0016] Figure 2 It is a front view of the external water tank with the detachable filter core of the embodiment;

[0017] Figure 3 It is a structure schematic view of the external water tank with the detachable filter core of the embodiment; Figure 2 It is a sectional view of section A-A;

[0018] Figure 4 It is a sectional view of section A-A; Figure 3 It is a local enlarged view of position B;

[0019] Wherein: 1-purifier water tank, 2-purifier built-in filter system, 3-filter seat, 4-holding handle, 5-water tank cover, 6-top cover, 7-filter core, 8-dismountable filter bottle, 9-spring, 10-water inlet, 11-water inlet pipeline, 12-independent water tank water inlet, 13-upper valve cone, 14-independent water tank lower base, 15-one-way valve core, 16-one-way valve body, 17-lower closure, 18-filter bottle cap, 19-sealing ring. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described below in conjunction with the drawings, and the technical scheme of the utility model is described clearly and completely in the form of embodiments.

[0021] Please refer to Figures 1 to 4 , the embodiment provides a kind of external water tank with detachable filter core, including the independent water tank being arranged on the outside of purifier tank body, detachable filter bottle 8, filter seat 3 and water inlet pipeline 11 and self-closing valve assembly.

[0022] Please refer to Figure 4 , independent water tank lower base 14 is provided with water inlet, and the water inlet is assembled with the self-closing valve assembly of the upper end of filter seat 3, to realize installation and communication, and separate and self-closing.

[0023] Please refer to Figure 3 And Figure 4 , the self-closing valve assembly includes water inlet 10 arranged in the lower part of filter seat 3, one-way valve body 16 arranged in the water outlet of detachable filter bottle 8, one-way valve core 15, reset spring 9 and sealing ring 19, the shaft hole of one-way valve core 15 is sleeved in the center hole of one-way valve body 16, and one-way closing is realized by cooperating with reset spring 9, one-way valve core 15 is lifted upward by reset spring 9 in initial posture, and the lower valve cone arranged in one-way valve core 15 is attached to the inner wall of lower closure 17 of one-way valve body 16, to realize the closure of water inlet, when independent water tank is placed on filter seat 3, the water inlet of independent water tank lower base 14 is matched with the shaft hole of the outer wall of one-way valve body 16, and the sealing ring 19 of the outer wall of one-way valve body 16 is matched to realize the sealing of connection, and one-way valve core 15 is pressed down, so that the lower valve cone is separated from lower closure 17, to realize that purified water enters independent water tank.

[0024] The filter seat 3 is provided with water inlet pipeline 11 communicated with the filter assembly in the purifier tank, and a booster pump (not shown in the figure) is arranged between the water inlet pipeline 11 and the filter system to improve the water supply speed of the external water tank, the filter seat 3 is provided with detachable filter bottle 8, and the inner base of the detachable filter bottle 8 is provided with water inlet 10 to supply purified water in cooperation with water inlet pipeline 11.

[0025] Please refer to Figure 3 And Figure 4The detachable filter bottle 8 is provided with a filter core 7, and the clean water entering from the water inlet 10 is secondarily filtered, and then flows into the independent water tank from the water outlet of the detachable filter bottle 8.

[0026] Referring to Figure 3 The filter seat 3 is provided with an upper cover 6, and after the detachable filter bottle 8 is installed into the filter seat 3, the upper cover 6 is assembled with the filter seat 3, the water outlet of the detachable filter bottle 8 is accurately positioned, and a positioning table is arranged according to the shape of the base of the independent water tank, so that the independent water tank is accurately placed and stably held.

[0027] Referring to Figure 3 The detachable filter bottle 8 is provided with a filter core 7, and the clean water entering from the water inlet 10 is secondarily filtered, and then flows into the independent water tank from the water outlet of the detachable filter bottle 8.

[0028] Referring to Figure 1 The outer wall of the independent water tank is provided with a holding handle 4, so as to facilitate the use.

[0029] Further, the inner wall of the independent water tank is provided with a liquid level sensor, and the starting time and duration of the booster pump are controlled by the liquid level sensor.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes, modifications, replacements and modifications can be made within the knowledge range of the ordinary skilled in the art without departing from the purpose of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An external water tank with a detachable filter cartridge, characterized in that: The utility model relates to a water purifying device, including the independent water tank, detachable filter bottle (8), filter seat (3) and water inlet pipeline (11) and self-closing valve assembly arranged outside the water tank body, The lower base of the independent water tank is provided with a water inlet, which is assembled and sealed with the self-closing valve assembly arranged at the upper end of the filter seat (3), The self-closing valve assembly comprises a water inlet interface (10) arranged at the lower part of the filter seat (3), a one-way valve body (16) arranged at the water outlet of the detachable filter bottle (8), a one-way valve core (15), a reset spring (9) and a sealing ring (19), the one-way valve core (15) is sleeved in the center hole of the one-way valve body (16), and the one-way valve core (15) is provided with a lower valve cone, which is matched with the inner wall of the lower closing port (17) of the one-way valve body (16), so that the water inlet is closed, the independent water tank is placed on the filter seat (3), the water inlet of the lower base (14) of the independent water tank is matched with the shaft hole of the outer wall of the one-way valve body (16), and the sealing ring (19) of the outer wall of the one-way valve body (16) is matched to realize the sealing of the connection and press down the one-way valve core (15), so that the lower valve cone is separated from the lower closing port (17), and the purified water flows into the independent water tank, The filter seat (3) is provided with a water inlet pipeline (11) communicated with the filter assembly in the water tank, and a booster pump is arranged between the water inlet pipeline (11) and the filter assembly, and the detachable filter bottle (8) is installed in the filter seat (3), and the inner base of the detachable filter bottle (8) is provided with a water inlet interface (10).

2. The external water tank with detachable filter cartridge according to claim 1, characterized in that: The detachable filter bottle (8) is provided with a filter core (7), which filters the purified water entering from the water inlet interface (10) again, and then the purified water flows into the independent water tank from the water outlet of the detachable filter bottle (8).

3. The external water tank with detachable filter cartridge of claim 1, wherein: The filter seat (3) is provided with an upper cover (6), after the detachable filter bottle (8) is installed in the filter seat (3), the upper cover (6) is assembled with the filter seat (3), the water outlet of the detachable filter bottle (8) is accurately positioned, and a positioning table is arranged according to the shape of the base of the independent water tank.

4. The external water tank with detachable filter cartridge of claim 1, wherein: The detachable filter bottle (8) is provided with a spring (9) for supporting the structure to be stable.

5. The external water tank with detachable filter cartridge of claim 1, wherein: The inner wall of the independent water tank is provided with a liquid level sensor for controlling the starting time and length of the booster pump.

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