CN111621960A - Detergent dispenser with small resistance for pulling out drawer - Google Patents
Detergent dispenser with small resistance for pulling out drawer Download PDFInfo
- Publication number
- CN111621960A CN111621960A CN202010377228.8A CN202010377228A CN111621960A CN 111621960 A CN111621960 A CN 111621960A CN 202010377228 A CN202010377228 A CN 202010377228A CN 111621960 A CN111621960 A CN 111621960A
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- Prior art keywords
- sealing ring
- liquid
- detergent
- liquid outlet
- check valve
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
The invention provides a detergent dispenser with small resistance for pulling out a drawer, which comprises a dispenser shell, a detergent storage box and a detergent dispensing mechanism, wherein one end of an insertion channel in the detergent storage box is provided with a check valve with a liquid outlet A, the other end of the insertion channel is provided with an opening end for inserting a liquid pumping interface, the opening end of the insertion channel is provided with a first conical surface and a sealing ring sealing surface, and the periphery of the liquid pumping interface is provided with at least one sealing ring which can be tightly matched with the sealing ring sealing surface; the axial distance between the outer ring of a sealing ring closest to the check valve on the liquid pumping interface and the abutting end of the liquid pumping interface is a, when the check valve is in a state of closing the liquid outlet A, the axial distance between the contact surface of the check valve, which is abutted and matched with the liquid pumping interface, and the opening end of the sealing surface of the sealing ring is b, and a is more than or equal to b; when the detergent storage box is taken out, vacuum resistance is not generated, and the detergent storage box can be pulled out more laborsavingly.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of dispensers of washing machines, in particular to a detergent dispenser with small resistance when a drawer is pulled out.
[ background of the invention ]
The prior full-automatic washing machine is generally provided with a detergent dispenser for temporarily storing a detergent, wherein the detergent is temporarily stored in a detergent storage box and is put into a washing cylinder of the washing machine under the control of a specified program to wash clothes; the dispenser generally pre-stores the detergent in the detergent storage box, and when the washing operation is needed, the dispenser flushes the water into the detergent storage box and pre-stores the waterThe detergent of (1) is mixed and put into the washing tub by siphon effect to soak and wash the laundry, wherein the existing dispenser adopts drawer type drawing structure as shown in figures 1, 2 and 3, wherein a0＜b0When detergent is added into a drawer (detergent storage box) and the drawer needs to be pulled out, a valve core of a check valve in the drawer is reset to be in a sealing state with a valve seat, and when a liquid pumping interface is not pulled out from an insertion channel, the insertion channel between the liquid pumping interface and the check valve is in a sealing state. When the drawer is continuously pulled open, the air in the closed splicing channel is stretched to generate vacuum resistance, and the drawer can be completely pulled open by a large pulling force.
[ summary of the invention ]
The invention aims to solve the problem that the pull-out force of a detergent box is large when the existing automatic washing machine is put in, and provides a detergent dispenser with small pull-out drawer resistance, so that the vacuum resistance cannot be generated when the detergent storage box is taken out.
In order to achieve the above purpose, the present invention provides a detergent dispenser with small resistance when a drawer is pulled out, comprising a dispenser housing, a detergent storage box arranged in the dispenser housing, and a detergent dispensing mechanism arranged at one end of the dispenser housing, wherein the detergent storage box is communicated with the detergent dispensing mechanism through an internal channel of a liquid pumping interface, one end of the liquid pumping interface, which is close to the detergent storage box, is provided with a liquid outlet B, one end of the detergent storage box is provided with a plugging channel, one end of the plugging channel is provided with a check valve, the end of the check valve is provided with a liquid outlet a, the other end of the plugging channel is provided with an open end into which the liquid pumping interface is inserted, the open end of the plugging channel comprises a first conical surface and a sealing surface, the first conical surface and the sealing surface are sequentially arranged along the insertion direction of the liquid pumping interface, the inner diameter of the cross section of the first conical surface is gradually reduced, and, the axial distance between the outer ring of a sealing ring closest to the check valve on the liquid pumping interface and the abutting end of the liquid pumping interface is a, when the check valve is in a state of closing the liquid outlet A, the axial distance between the contact surface of the check valve, which is abutted and matched with the liquid pumping interface, and the opening end of the sealing surface of the sealing ring is b, and a is more than or equal to b;
when the detergent storage box is placed in, the liquid pumping interface is inserted from the opening end of the insertion channel, the check valve opens the liquid outlet A under the abutting action of the liquid pumping interface, and the detergent storage box is communicated with the internal channel of the liquid pumping interface;
when the detergent storage box is taken out, the liquid pumping interface is pulled out from the opening end of the insertion channel, after a sealing ring closest to the check valve on the liquid pumping interface is separated from the sealing surface of the sealing ring, the check valve is separated from the support of the liquid pumping interface to close the liquid outlet A, and when the check valve is in the state of closing the liquid outlet A, the insertion channel is in the state of being about to be communicated with the atmosphere or the state of being communicated with the atmosphere.
Preferably, a push pin with one end penetrating through the liquid outlet B is arranged in the liquid pumping interface, the liquid outlet A is opened by the check valve under the abutting action of the push pin, a push pin sleeve is arranged outside the push pin, and a plurality of sealing rings which can be tightly matched with the inner wall of the sealing surface of the sealing ring are arranged on the periphery of the push pin sleeve.
Preferably, the check valve comprises a valve seat, a valve core and a spring, wherein an A liquid outlet is formed in one end of the valve seat, the valve core used for blocking the A liquid outlet is arranged in the valve seat, the valve core is installed in the valve seat through the spring, and the spring has acting force towards one side of the A liquid outlet on the valve core.
Preferably, the valve seat is provided with an O-shaped ring sealing surface at one end with the liquid outlet A, the inner diameter of the section of the O-shaped ring sealing surface is gradually increased along the insertion direction of the liquid pumping connector, the outer wall of the valve core is provided with a first O-shaped sealing ring which can be tightly matched with the O-shaped ring sealing surface, and the outer wall of the valve seat is provided with a second O-shaped sealing ring.
Preferably, one end of the valve core extends to form a bulge part which can extend out of the liquid outlet A, and the outer diameter of the bulge part is larger than that of the push pin in the liquid pumping interface.
Preferably, the inner diameter of the cross section of the sealing surface of the sealing ring is gradually reduced along the insertion direction of the liquid extraction port, and the radius of the cross section of the small-diameter end of the first conical surface is the same as that of the large-diameter end of the sealing surface of the sealing ring.
The invention has the beneficial effects that: when the detergent storage box is taken out and the push needle is not in contact with the valve core of the check valve, the first O-shaped sealing ring and the sealing surface of the O-shaped ring are in a sealing state, the sealing surface of the sealing ring and the sealing surface of the sealing ring are in an unsealed state, and the insertion channel between the sealing ring and the first O-shaped sealing ring is communicated with the atmosphere; when the sealing ring and the push pin continue to move to one side of the insertion channel separated from the detergent storage box, vacuum resistance cannot be generated, and the detergent storage box can be taken out in a labor-saving manner.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a structure of a conventional detergent dispenser in a state where a detergent storage box is taken out;
FIG. 2 is a schematic view in section taken along line II of FIG. 1;
FIG. 3 is an enlarged schematic view at M of FIG. 2;
fig. 4 is a schematic structural view in a state where the detergent storage box is being taken out;
FIG. 5 is a schematic view of the LL-oriented cross section of FIG. 4;
fig. 6 is an enlarged schematic view at N of fig. 5.
[ detailed description ] embodiments
Referring to fig. 4 to 6, the detergent dispenser with small resistance when the drawer is pulled out comprises a dispenser housing 1, a detergent storage box 2 arranged in the dispenser housing 1, and a detergent dispensing mechanism 3 arranged at one end of the dispenser housing 1, wherein the detergent storage box 2 is communicated with the detergent dispensing mechanism 3 through an internal channel of a liquid suction port 4, one end of the liquid suction port 4 close to the detergent storage box 2 is provided with a B liquid outlet 40, one end of the detergent storage box 2 is provided with an insertion channel 20, one end of the insertion channel 20 is provided with a check valve 5, the end of the check valve 5 is provided with an a liquid outlet 50, the other end of the insertion channel 20 is provided with an open end into which the liquid suction port 4 is inserted, and the open end of the insertion channel 20 comprises a first tapered surface 201, a second tapered surface, and a third tapered surface 201, wherein, The periphery of the liquid extraction interface 4 is provided with at least one sealing ring 43 which can be tightly matched with the sealing ring 202, the axial distance between the outer ring of the sealing ring 43 closest to the check valve 5 on the liquid extraction interface 4 and the abutting end 400 of the liquid extraction interface 4 is a, when the check valve 5 is in a state of closing the liquid outlet 50A, the axial distance between the contact surface 521 of the check valve 5 and the liquid extraction interface 4 in abutting matching and the opening end of the sealing ring 202 is b, and a is more than or equal to b;
when the detergent storage box 2 is put in, the liquid pumping connector 4 is inserted from the open end of the insertion channel 20, the check valve 5 opens the liquid outlet 50A under the abutting action of the liquid pumping connector 4, and the detergent storage box 2 is communicated with the internal channel of the liquid pumping connector 4;
when the detergent storage box 2 is taken out, the liquid pumping port 4 is pulled out from the open end of the plugging channel 20, after a sealing ring 43 on the liquid pumping port 4, which is closest to the check valve 5, is separated from the sealing surface 202 of the sealing ring, the check valve 5 is separated from the abutment of the liquid pumping port 4, so as to close the a liquid outlet 50, and when the check valve 5 is in a state of closing the a liquid outlet 50, the plugging channel 20 is in a state of being about to be communicated with the atmosphere or in a state of being communicated with the atmosphere.
Further, a push pin 41 with one end penetrating through the liquid outlet B40 is arranged inside the liquid extraction port 4, the check valve 5 opens the liquid outlet a 50 under the abutting action of the push pin 41, a push pin sleeve 42 is arranged outside the push pin 41, and a plurality of sealing rings 43 capable of being tightly matched with the inner wall of the sealing ring sealing surface 202 are mounted on the periphery of the push pin sleeve 42.
Further, the check valve 5 includes a valve seat 51, a valve element 52 and a spring 53, the valve seat 51 has an a liquid outlet 50 at one end, the valve element 52 is disposed in the valve seat 51 to close the a liquid outlet 50, the valve element 52 is mounted in the valve seat 51 through the spring 53, and the spring 53 applies an acting force to the valve element 52 toward the a liquid outlet 50. Specifically, an O-ring sealing surface 511 is arranged at one end of the valve seat 51 having the a liquid outlet 50, the inner diameter of the cross section of the O-ring sealing surface 511 is gradually increased along the insertion direction of the liquid drawing port 4, a first O-ring 521 which can be tightly fitted with the O-ring sealing surface 511 is installed on the outer wall of the valve core 52, and a second O-ring 512 is arranged on the outer wall of the valve seat 51. One end of the valve core 52 extends with a convex part 520 which can extend from the liquid outlet 50A, and the outer diameter of the convex part 520 is larger than the outer diameter of the push pin 41 in the liquid extraction port 4.
Further, the inner diameter of the section of the sealing surface 202 of the sealing ring is gradually reduced along the insertion direction of the liquid suction port 4, so that the sealing reliability can be ensured, and the section radius of the small-diameter end of the first tapered surface 201 is the same as that of the large-diameter end of the sealing surface 202 of the sealing ring.
The invention relates to a working process of a detergent dispenser with small drawer pulling resistance, which comprises the following steps:
when the detergent storage box 2 is put in, the liquid pumping connector 4 is inserted into the open end of the insertion channel 20, the valve core 52 of the check valve 5 opens the liquid outlet 50A under the abutting action of the push pin 41 of the liquid pumping connector 4, the detergent storage box 2 is communicated with the channel inside the liquid pumping connector 4, and the detergent putting mechanism 3 can pump the detergent;
referring to fig. 6, when the detergent storage box 2 is taken out, the detergent storage box 2 moves rightwards, because a is larger than or equal to b, the sealing ring 43 can be disengaged from the sealing fit of the sealing ring sealing surface 202, and then the valve core 52 moves leftwards under the action of the spring 53 and is reset to the state that the first O-shaped sealing ring 521 and the O-shaped sealing surface 511 are in a sealing state, so that the plugging channel 20 between the sealing ring 43 and the first O-shaped sealing ring 521 is communicated with the atmosphere; when the sealing ring 43 and the push pin 41 continue to move to the side of the insertion channel separated from the detergent storage box, no vacuum resistance is generated, and the detergent storage box 2 can be taken out in a labor-saving manner.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a detergent dispenser that pull-out drawer resistance is little, includes dispenser shell (1), locates detergent storage box (2) in dispenser shell (1) and locates detergent input mechanism (3) of dispenser shell (1) one end, detergent storage box (2) and detergent input mechanism (3) between communicate with each other through drawing liquid interface (4) inside passage, its characterized in that: the end of the liquid pumping interface (4) close to the detergent storage box (2) is provided with a B liquid outlet (40), one end of the detergent storage box (2) is provided with an insertion channel (20), one end of the insertion channel (20) is provided with a check valve (5), the end part of the check valve (5) is provided with an A liquid outlet (50), the other end of the insertion channel (20) is provided with an opening end for the liquid pumping interface (4) to be inserted, the opening end of the insertion channel (20) comprises a first conical surface (201) and a sealing ring sealing surface (202), the inner diameters of the cross sections of the first conical surface and the second conical surface are gradually reduced, the first conical surface and the sealing ring sealing surface are sequentially arranged along the insertion direction of the liquid pumping interface (4), the periphery of the liquid pumping interface (4) is provided with at least one sealing ring (43) which can be closely matched with the sealing ring sealing surface (202), the axial distance between the outer ring of one sealing ring (43) which is closest to the check, when the check valve (5) is in a state of closing the liquid outlet (50) A, the axial distance between a contact surface (521) of the check valve (5) and the liquid pumping interface (4) in abutting fit and the opening end of the sealing surface (202) of the sealing ring is b, and a is more than or equal to b;
when the detergent storage box (2) is placed, the liquid pumping interface (4) is inserted from the open end of the insertion channel (20), the check valve (5) opens the liquid outlet (50) A under the abutting action of the liquid pumping interface (4), and the detergent storage box (2) is communicated with the internal channel of the liquid pumping interface (4);
when the detergent storage box (2) is taken out, the liquid pumping interface (4) is pulled out from the opening end of the insertion channel (20), after a sealing ring (43) closest to the check valve (5) on the liquid pumping interface (4) is separated from the sealing of a sealing ring sealing surface (202), the check valve (5) is separated from the abutting of the liquid pumping interface (4), the A liquid outlet (50) is closed, and when the check valve (5) is in a state of closing the A liquid outlet (50), the insertion channel (20) is in a state of being communicated with the atmosphere or a state of being communicated with the atmosphere.
2. A detergent dispenser with low resistance to pull-out of the drawer as recited in claim 1, further comprising: the liquid extraction connector (4) is internally provided with a push pin (41) of which one end penetrates through the liquid outlet B (40), the liquid outlet A (50) is opened by the check valve (5) under the abutting action of the push pin (41), a push pin sleeve (42) is arranged outside the push pin (41), and a plurality of sealing rings (43) which can be tightly matched with the inner wall of the sealing surface (202) of the sealing ring are arranged on the periphery of the push pin sleeve (42).
3. A detergent dispenser with low resistance to pull-out of the drawer as recited in claim 1, further comprising: the check valve (5) comprises a valve seat (51), a valve core (52) and a spring (53), wherein an A liquid outlet (50) is formed in one end of the valve seat (51), the valve core (52) used for blocking the A liquid outlet (50) is arranged in the valve seat (51), the valve core (52) is installed in the valve seat (51) through the spring (53), and the spring (53) has acting force towards one side of the A liquid outlet (50) to the valve core (52).
4. A detergent dispenser with low resistance to pull-out of the drawer as recited in claim 3, further comprising: the valve seat (51) is provided with an O-shaped ring sealing surface (511) at one end with an A liquid outlet (50), the inner diameter of the section of the O-shaped ring sealing surface (511) is gradually increased along the insertion direction of the liquid pumping connector (4), a first O-shaped sealing ring (521) which can be tightly matched with the O-shaped ring sealing surface (511) is installed on the outer wall of the valve core (52), and a second O-shaped sealing ring (512) is arranged on the outer wall of the valve seat (51).
5. A detergent dispenser with low resistance to pull-out of the drawer as recited in claim 3, further comprising: one end of the valve core (52) extends to form a bulge (520) which can extend out from the liquid outlet (50) A, and the outer diameter of the bulge (520) is larger than that of the push pin (41) in the liquid extraction connector (4).
6. A detergent dispenser with low resistance to pull-out of the drawer as recited in claim 1, further comprising: the inner diameter of the section of the sealing surface (202) of the sealing ring is gradually reduced along the insertion direction of the liquid pumping connector (4), and the section radius of the small-diameter end of the first conical surface (201) is the same as that of the large-diameter end of the sealing surface (202) of the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377228.8A CN111621960A (en) | 2020-05-07 | 2020-05-07 | Detergent dispenser with small resistance for pulling out drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377228.8A CN111621960A (en) | 2020-05-07 | 2020-05-07 | Detergent dispenser with small resistance for pulling out drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111621960A true CN111621960A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010377228.8A Pending CN111621960A (en) | 2020-05-07 | 2020-05-07 | Detergent dispenser with small resistance for pulling out drawer |
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| Country | Link |
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| CN (1) | CN111621960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193831A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Liquid guide structure of liquid storage box, additive dispensing module, and washing machine |
-
2020
- 2020-05-07 CN CN202010377228.8A patent/CN111621960A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193831A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Liquid guide structure of liquid storage box, additive dispensing module, and washing machine |
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