CN214271366U - Liquid pumping structure capable of reducing liquid dropping amount - Google Patents

Abstract

The utility model provides a liquid pumping structure capable of reducing the amount of dripping liquid, which comprises a liquid storage box, a dispenser, a check valve component and a plug head component, the liquid storage box is provided with a liquid pumping port, a liquid pumping channel is arranged in the liquid pumping port, a one-way valve component for opening or closing an outlet of the liquid pumping channel is arranged in the liquid pumping channel, a plug cavity is arranged between the outer wall of the liquid pumping channel and the inner wall of the liquid pumping port, the dispenser is provided with a plug connector component, the bottom of the plug cavity is provided with a plug port, when the plug connector component is inserted into the plug cavity, the one-way valve component opens the outlet of the liquid pumping channel under the action of the connector component, the outer wall of the joint component is provided with a first sealing element, when the plug-in head component is inserted into the plug-in cavity, the first sealing element is tightly matched with the inner wall of the outer ring of the plugging cavity, so that the liquid flowing into the plugging cavity is not contacted with the inner wall of the outer ring. This draw liquid structure can make the liquid storage box oral area remain liquid and reduce to reduce the dropping liquid volume after the liquid storage box is pulled out.

Description

Liquid pumping structure capable of reducing liquid dropping amount

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of detergent dispensing system, especially a drawing liquid structure of reducible dropping liquid volume.

[ background of the invention ]

The prior full-automatic washing machine is generally provided with a detergent dispenser for temporarily storing detergent, wherein the detergent is temporarily stored in the liquid storage box and is put into a washing cylinder of the washing machine under the control of a designated program to wash clothes; the existing detergent feeding system can leave more liquid at the insertion port of the liquid storage box after the liquid storage box is taken out of the feeding device, so that the problem that the amount of liquid dropping is more after the liquid storage box is pulled out is caused, and the liquid pumping structure capable of reducing the amount of liquid dropping is provided.

[ Utility model ] content

The utility model aims at solving the problem in the prior art, providing a drawing liquid structure of reducible liquid droplet volume, can make the liquid storage box oral area remain liquid and reduce to reduce the liquid droplet volume after the liquid storage box is extracted.

In order to achieve the purpose, the utility model provides a liquid pumping structure capable of reducing the amount of liquid dripping, which comprises a liquid storage box, a dispenser, a one-way valve component and a plug head component, the liquid storage box is provided with a liquid pumping port, a liquid pumping channel is arranged in the liquid pumping port, a one-way valve component for opening or closing an outlet of the liquid pumping channel is arranged in the liquid pumping channel, a plug cavity is arranged between the outer wall of the liquid pumping channel and the inner wall of the liquid pumping port, the dispenser is provided with a plug connector component, the bottom of the plug cavity is provided with a plug port for the plug connector component to be inserted into, when the plug connector component is inserted into the plug cavity, the one-way valve component opens the outlet of the liquid pumping channel under the action of the connector component, the outer wall of the joint component is provided with a first sealing element, when the plug-in head component is inserted into the plug-in cavity, the first sealing element is tightly matched with the inner wall of the outer ring of the plugging cavity, so that the liquid flowing into the plugging cavity is not contacted with the inner wall of the outer ring.

Preferably, a liquid suction channel is arranged in the plug connector assembly, a push rod is arranged at the center of the liquid inlet end of the liquid suction channel and used for controlling the one-way valve assembly to open the outlet of the liquid suction channel, and a valve body used for opening or closing the outlet of the liquid suction channel is arranged at the liquid outlet end of the liquid suction channel.

Preferably, the first sealing member is a V-shaped sealing ring.

Preferably, the check valve assembly comprises a movable valve core, a spring and a fixed seat, the fixed seat is fixed at the top of the liquid extraction port through a plurality of supports which are circumferentially arranged, one end of the movable valve core is movably inserted into a guide cavity in the fixed seat, the other end of the movable valve core is provided with a blocking head for opening or closing an outlet of the liquid extraction channel, the spring is sleeved outside the movable valve core, and two ends of the spring are respectively connected with the fixed seat and the blocking head.

Preferably, the outlet end of the liquid pumping channel is provided with a valve seat, and the outer wall of the blocking head is provided with a sealing ring which is tightly matched with the valve seat.

Preferably, the liquid storage box further comprises a cover, the cover is sleeved outside the liquid suction port, the liquid suction port is arranged at the bottom of the liquid storage box, a liquid outlet area is formed between the inner wall of the cover and the outer wall of the liquid suction port, a certain gap is formed between the bottom of the cover and the upper wall of the bottom of the liquid storage box, a liquid outlet channel communicated with the liquid outlet area is formed on one side of the liquid suction port, an inner cavity of the liquid storage box is communicated with the liquid outlet area through the liquid outlet channel, and the liquid outlet area is communicated with the outside through the liquid suction channel.

Preferably, the top of the cover is provided with a positioning convex cap extending upwards, a concave cavity matched with the fixed seat is formed in the positioning convex cap, and the positioning convex cap is in inserting fit with the fixed seat.

Preferably, the periphery of the fixing seat is further provided with a limit stop edge for supporting the cover, and the bottom of the positioning convex cap is abutted and matched with the limit stop edge.

Preferably, the bottom of the plugging cavity is provided with a lead-in cavity.

The utility model has the advantages that:

1. when the liquid storage box was packed into and was put the ware into, the first sealing member on the bayonet joint subassembly can paste with the outer lane inner wall in grafting chamber all the time and lean on for the liquid that flows out in the liquid storage box does not contact with the outer lane inner wall in grafting chamber, and when the liquid storage box taken out the back from putting the ware into, the liquid reduction was remained to the liquid storage box oral area, has guaranteed that the liquid dropping volume after the liquid storage box extracted reduces.

2. In addition, the cover is additionally arranged on the liquid pumping port of the liquid storage box, the liquid outflow path of the liquid storage box is changed, so that the liquid in the liquid storage box can only flow out from the liquid outlet channel between the cover and the liquid storage box, and the liquid residue in the liquid storage box can be reduced.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a top plan view of a reservoir of the invention about to be loaded into a dispenser;

FIG. 2 is a schematic view of the SS-oriented cross section of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 2 at C;

FIG. 4 is a top view of the cartridge of the present invention after it is loaded into the dispenser;

FIG. 5 is a schematic view of the UU orientation of FIG. 4;

FIG. 6 is an enlarged schematic view of FIG. 5 at D;

FIG. 7 is a schematic sectional view showing a partial structure of the reservoir.

[ detailed description ] embodiments

Referring to fig. 1 to 7, the utility model relates to a liquid pumping structure capable of reducing the amount of liquid drops, comprising a liquid storage box 1, a dispenser 2, a check valve assembly 3 and a connector assembly 4, wherein the liquid storage box 1 has a liquid pumping port 11, a liquid pumping channel 12 is arranged in the liquid pumping port 11, the check valve assembly 3 for opening or closing the outlet of the liquid pumping channel 12 is arranged in the liquid pumping channel 12, a plug cavity 13 is arranged between the outer wall of the liquid pumping channel 12 and the inner wall of the liquid pumping port 11, the dispenser 2 is provided with the connector assembly 4, the bottom of the plug cavity 13 is provided with a plug port for the connector assembly 4 to insert, when the connector assembly 4 is inserted into the plug cavity 13, the check valve assembly 3 opens the outlet of the liquid pumping channel 12 under the effect of the connector assembly 4, the outer wall of the connector assembly 4 is provided with a first sealing element 41, when the connector assembly 4 is inserted into the plug cavity 13, the first sealing element 41 is tightly fitted to the inner wall of the outer ring of the plug cavity 13, so that the liquid flowing into the plug cavity 13 does not contact with the inner wall of the outer ring thereof.

Further, referring to fig. 3 and 6, a liquid suction channel is arranged in the connector assembly 4, a push rod 42 is arranged at the center of the liquid inlet end of the liquid suction channel for controlling the check valve assembly 3 to open the outlet of the liquid suction channel 12, and a valve body 40 for opening or closing the outlet of the liquid suction channel is arranged at the liquid outlet end of the liquid suction channel.

Further, the first sealing element 41 is a V-shaped sealing ring, which can ensure that the outer ring of the first sealing element 41 and the inner wall of the outer ring of the insertion cavity 13 are in close fit.

Further, the bottom of the plugging cavity 13 is provided with a guiding cavity 130, which has a guiding and positioning effect and facilitates quick plugging.

Further, referring to fig. 2, by providing the check valve assembly, the liquid pumping channel can be blocked when the liquid storage box is mounted and dismounted, so that the liquid in the liquid storage box is prevented from flowing out. Specifically, referring to fig. 3, in the present embodiment, the check valve assembly 3 includes a movable valve element 31, a spring 32, and a fixed seat 33, the fixed seat 33 is fixed on the top of the liquid pumping port 11 through a plurality of circumferentially arranged brackets 331, one end of the movable valve element 31 is movably inserted into a guide cavity 330 inside the fixed seat 33, the other end of the movable valve element 31 has a blocking head 321 for opening or closing an outlet of the liquid pumping channel 12, the spring 32 is sleeved outside the movable valve element 31, and two ends of the spring 32 are respectively connected to the fixed seat 33 and the blocking head 321.

Further, the outlet end of the liquid pumping channel 12 is provided with a valve seat 121, and the outer wall of the blocking head 321 is provided with a sealing ring which is tightly matched with the valve seat 121, so that the sealing effect can be improved, and the leakage of the internal liquid can be effectively prevented.

In addition, in the conventional liquid storage box structure, the liquid suction port is arranged above the liquid storage box, air vortex is generated during liquid suction, and residue is easily caused, for this reason, in this embodiment, in order to reduce the residual amount of the liquid storage box, a cover 5 is further added outside the liquid suction port 11, specifically, referring to fig. 7, the cover 5 is sleeved outside the liquid suction port 11, the liquid suction port 11 is arranged at the bottom of the liquid storage box 1, a liquid outlet area 100 is formed between the inner wall of the cover 5 and the outer wall of the liquid suction port 11, a certain gap is formed between the bottom of the cover 5 and the upper wall of the bottom of the liquid storage box 1, a liquid outlet channel 10 communicated with the liquid outlet area 100 is formed at one side of the liquid suction port 11, the inner cavity of the liquid storage box 1 is communicated with the liquid outlet area 100 through the liquid outlet channel 10, and the liquid outlet area 100 is communicated with the outside through the.

The smaller the distance between the cover 5 and the lowest point of the liquid storage box 1 (i.e. the lower the position of the liquid outlet channel 10 arranged in the liquid storage box 1), the less liquid remains in the liquid storage box 1. In this embodiment, the bottom of the reservoir 1 is horizontal, and therefore, the liquid outlet channel 10 is disposed between the bottom of the cover 5 and the upper wall of the bottom of the reservoir 1, so as to ensure less liquid residue.

Further, referring to fig. 7, the top of the cover 5 has a positioning convex cap 51 extending upward, the positioning convex cap 51 has a concave cavity therein for fitting with the fixing seat 33, and the positioning convex cap 51 is inserted into and matched with the fixing seat 33. The periphery of the fixed seat 33 is further provided with a limit stop edge 332 for supporting the cover 5, the bottom of the positioning convex cap 51 is abutted against and matched with the limit stop edge 332, the cover can be supported and limited, and after the cover is installed, a certain gap is ensured between the bottom of the cover and the upper wall of the bottom of the liquid storage box.

Referring to fig. 7, a plurality of guiding and positioning frames 111 are circumferentially arranged above the liquid extraction port 11, the inner wall of the cover 5 is in interference fit with the outer walls of the guiding and positioning frames 111 and the outer wall of the liquid extraction port 11, and the outer wall of the top of the guiding and positioning frames 111 is provided with a guiding inclined plane 112, so that the cover is convenient to assemble.

The utility model discloses the working process:

the utility model relates to a theory of operation of drawing liquid structure of reducible dropping liquid volume:

1. principle of reducing the amount of dripping: referring to fig. 3: the liquid storage box 1 is placed into the dispenser 2, a space A is formed by the liquid storage box 1, the dispenser 2 and the initial position of the first sealing element 41, air is filled in the space A, referring to fig. 6, the liquid storage box 1 is continuously placed into the dispenser 2, and the air in the space A is gradually extruded into the space B. In this process, first sealing member 41 on the bayonet joint subassembly 4 can paste with the outer lane inner wall of grafting chamber 13 all the time and lean on mutually for the liquid that flows out in the follow stock solution box 1 does not contact with the outer lane inner wall of grafting chamber 13, and when stock solution box 1 from puting in 2 back of taking out, the liquid reduction is remained to 1 oral area of stock solution box, has guaranteed that the dropping liquid volume after stock solution box 1 extracts reduces.

2. The principle of reducing the residual quantity of liquid in the liquid storage box is as follows: the liquid outflow path in the liquid storage box 1 is changed through the cover 5, so that the liquid in the liquid storage box 1 only can flow out from the liquid outlet channel 10 between the cover 5 and the liquid storage box 1 and enters the liquid pumping channel 12 from the liquid outlet area 100, and the residue of the liquid can be reduced. When the movable valve core 31 of the one-way valve component 3 moves upwards under the action of the push rod 42, the outlet of the liquid extracting channel 12 is opened, and the liquid can flow out; when the liquid storage box 1 is taken out from the dispenser 2, the external force is released, the movable valve core 31 of the one-way valve component 3 is reset under the action of the spring 32, the outlet of the liquid drawing channel 12 is closed, and the liquid cannot flow out.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (8)

1. The utility model provides a liquid pumping structure of reducible dropping liquid volume which characterized in that: the liquid storage box comprises a liquid storage box (1), a dispenser (2), a check valve assembly (3) and a plug assembly (4), wherein the liquid storage box (1) is provided with a liquid drawing port (11), a liquid drawing channel (12) is arranged in the liquid drawing port (11), the check valve assembly (3) used for opening or closing an outlet of the check valve assembly is installed in the liquid drawing channel (12), a plug cavity (13) is formed between the outer wall of the liquid drawing channel (12) and the inner wall of the liquid drawing port (11), the dispenser (2) is provided with the plug assembly (4), the bottom of the plug cavity (13) is provided with a plug port for the plug assembly (4) to insert, when the plug assembly (4) is inserted into the plug cavity (13), the check valve assembly (3) opens the outlet of the liquid drawing channel (12) under the action of the connector assembly (4), and a first sealing element (41) is installed on the outer wall of the connector assembly (4), when the plug assembly (4) is inserted into the plug cavity (13), the first sealing element (41) is tightly matched with the inner wall of the outer ring of the plug cavity (13), so that liquid flowing into the plug cavity (13) is not contacted with the inner wall of the outer ring of the plug cavity.

2. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 1, wherein: the liquid suction device is characterized in that a liquid suction channel is arranged in the plug head assembly (4), a push rod (42) is arranged at the center of the liquid inlet end of the liquid suction channel and used for controlling the one-way valve assembly (3) to open the outlet of the liquid suction channel (12), and a valve body (40) used for opening or closing the outlet of the liquid suction channel is arranged at the liquid outlet end of the liquid suction channel.

3. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 1, wherein: the first sealing element (41) is a V-shaped sealing ring.

4. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 1, wherein: the check valve assembly (3) comprises a movable valve core (31), a spring (32) and a fixed seat (33), wherein the fixed seat (33) is fixed at the top of the liquid pumping port (11) through a plurality of supports (331) which are circumferentially arranged, one end of the movable valve core (31) is movably inserted into a guide cavity (330) inside the fixed seat (33), the other end of the movable valve core (31) is provided with a blocking head (321) used for opening or closing an outlet of the liquid pumping channel (12), the spring (32) is sleeved outside the movable valve core (31), and two ends of the spring (32) are respectively connected with the fixed seat (33) and the blocking head (321).

5. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 4, wherein: the outlet end of the liquid pumping channel (12) is provided with a valve seat (121), and the outer wall of the blocking head (321) is provided with a sealing ring which is tightly matched with the valve seat (121).

6. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 4, wherein: the liquid storage box is characterized by further comprising a cover (5), the cover (5) is sleeved outside the liquid suction port (11), the liquid suction port (11) is arranged at the bottom of the liquid storage box (1), a liquid outlet area (100) is formed between the inner wall of the cover (5) and the outer wall of the liquid suction port (11), a certain gap is formed between the bottom of the cover (5) and the upper wall of the bottom of the liquid storage box (1), a liquid outlet channel (10) communicated with the liquid outlet area (100) is formed in one side of the liquid suction port (11), the inner cavity of the liquid storage box (1) is communicated with the liquid outlet area (100) through the liquid outlet channel (10), and the liquid outlet area (100) is communicated with the outside through the liquid suction channel (12).

7. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in claim 6, wherein: the top of the cover (5) is provided with a positioning convex cap (51) extending upwards, a concave cavity matched with the fixed seat (33) is formed in the positioning convex cap (51), and the positioning convex cap (51) is in plug-in fit with the fixed seat (33).

8. The fluid-pumping structure capable of reducing the amount of fluid dripping as set forth in any one of claims 1 to 7, wherein: the bottom of the plug-in cavity (13) is provided with a lead-in cavity (130).

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