CN215856822U - Liquid feeding structure and washing machine using same - Google Patents

Abstract

The utility model relates to a liquid adding structure and a washing machine using the same, comprising: the liquid storage box, a liquid storage cavity and a pump cavity are arranged in the liquid storage box; wherein a liquid storage bag is arranged in the liquid storage cavity; a peristaltic pump component connected with the liquid storage bag is arranged in the pump cavity; the peristaltic pump assembly comprises a peristaltic pump body and a shell arranged outside the peristaltic pump body; the peristaltic pump body comprises a main body, an upper disc body and a lower disc body which are connected with the main body, and a pair of rollers which are in running fit with the upper disc body and the lower disc body. The utility model can improve the use strength of the peristaltic pump assembly.

Description

Liquid feeding structure and washing machine using same

Technical Field

The utility model relates to the technical field of household appliances, in particular to a liquid adding structure and a washing machine using the same.

Background

The mode of putting the laundry detergent into the washing machine on the market at present comprises manual addition and automatic addition, and in order to pursue high-quality life, people gradually replace the mode of putting the laundry detergent into the washing machine automatically. There are also different ways in a system for automatically dispensing laundry detergent, and in the prior art solutions, the following problems exist:

1. the peristaltic pump is arranged on the outer side of the liquid storage box, the size is larger, and in order to enable the solution in the liquid storage port to be conveniently put into the washing drum, a gap is arranged at the outlet of the liquid storage port of the peristaltic pump, and the gap reduces the effective size of the liquid storage box;

2. in addition, the peristaltic pump is fixed on the liquid storage box, the fixing mode adopts bolt fixing, the fixing mode is complex and the cost is increased;

3. the liquid storage box stores the liquid to be thrown in by directly storing the laundry detergent in the liquid storage box, and when the liquid storage box is poorly sealed, water or impurities enter the laundry detergent, so that the laundry effect is influenced, and even a delivery pump of the laundry detergent is influenced, and the poor sealing and even the sealing failure of the whole pump are caused;

4. the roller disc component comprises a roller upper disc, a roller and a roller lower disc, wherein two convex columns are arranged on the roller upper disc and matched with the roller, the roller rotates around the convex columns, grease needs to be injected into the convex columns when the roller is assembled, the positioning of the roller upper disc convex columns and the alignment of the roller lower disc holes one by one are ensured during the assembly, the roller upper disc and the roller lower disc are difficult to install, the roller upper disc and the roller lower disc are ensured to rotate uniformly by utilizing buckles when the roller disc component rotates, and the existing split type roller disc component is low in strength in the aspect of mechanical strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid adding structure to solve the technical problem of improving the use strength of a peristaltic pump assembly.

The second purpose of the utility model is to provide a washing machine, which solves the technical problem of improving the use strength of the peristaltic pump assembly of the liquid adding structure in the washing machine.

The liquid adding structure of the utility model is realized as follows:

a liquid adding structure comprising: the liquid storage box, a liquid storage cavity and a pump cavity are arranged in the liquid storage box; wherein

A liquid storage bag is arranged in the liquid storage cavity; a peristaltic pump assembly connected with the liquid storage bag is arranged in the pump cavity; and

the peristaltic pump assembly comprises a peristaltic pump body and a shell arranged outside the peristaltic pump body;

the peristaltic pump body comprises a main body, an upper disc body and a lower disc body which are connected with the main body, and a pair of rollers which are in running fit with the upper disc body and the lower disc body.

In an optional embodiment of the utility model, a pair of clamping grooves which are symmetrically distributed relative to the main body are respectively arranged on the upper tray body and the lower tray body; and

and two ends of the roller are respectively and integrally provided with a connector which is suitable for being rotatably connected with the clamping groove.

In an alternative embodiment of the utility model, an annular boss is arranged on the circumferential side of the junction of the connecting head and the roller.

In an optional embodiment of the utility model, the peristaltic pump body further comprises a hose sleeved outside the two rollers;

the liquid inlet of the hose is communicated with the liquid storage bag through a connecting pipe; and the liquid outlet of the hose is connected with a liquid outlet pipe;

and the side wall of the pump cavity is provided with an opening communicated with the liquid outlet pipe.

In an optional embodiment of the utility model, a matching head for connecting with the connecting pipe is arranged on the liquid storage bag;

the matching head is provided with a hollow matching cavity penetrating through two ends; the connecting pipe is suitable for being inserted into the hollow matching cavity so as to realize clamping matching of the connecting pipe and the matching head; and

the connecting tube has a hollow flow lumen running through both ends.

In an alternative embodiment of the utility model, the connecting tube comprises a clamping part which is suitable for being inserted into the hollow matching cavity and a joint part which is integrally connected with the clamping part and is used for connecting a hose; wherein

The end of the clamping part far away from the linking part is provided with a pair of outward-turned clamping blocks, and the side wall of the clamping part is provided with a pair of V-shaped grooves for extending the end of the clamping part far away from the linking part; a sealing ring is integrally arranged between the V-shaped groove and the connecting part on the outer side wall of the clamping part;

the sealing ring is in sealing fit with the hollow matching cavity.

In an alternative embodiment of the present invention, a pair of fixing grooves is formed at the outer side of the housing; and

and a fixing bulge matched with the fixing groove is arranged on the side wall of the pump cavity.

In an alternative embodiment of the present invention, the fixing protrusion is a hemisphere; and

the fixing groove is of a hemispherical groove-shaped structure.

In an alternative embodiment of the utility model, the liquid adding structure further comprises a driving motor adapted to be connected with the peristaltic pump body;

the main body is provided with an insertion hole suitable for inserting a motor shaft of the driving motor; and

the side wall of the pump cavity is provided with a through hole suitable for a motor shaft of the driving motor to pass through, namely the motor shaft of the driving motor passes through the through hole and then is inserted into the jack.

The washing machine of the utility model is realized as follows:

a washing machine comprises the liquid adding structure.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects: according to the liquid adding structure and the washing machine using the same, the roller is of an integral structure, and compared with a roller shaft and a roller body which are of a split structure and are adopted by the roller in the prior art, the integral roller not only increases the strength, but also reduces the assembly cost. And for the roller, the roller is directly and rotatably clamped and matched with the upper disc body and the lower disc body, so that the convenience of the assembly process of the roller, the upper disc body and the lower disc body can be effectively improved.

In addition, the liquid storage bag is placed in the liquid storage box, the liquid storage bag stores the laundry detergent and is connected with the peristaltic pump assembly, the laundry detergent bag and the peristaltic pump assembly are replaced together after the laundry detergent in the liquid storage bag is used up, and the structure can avoid the problem that when the laundry detergent is directly stored in the liquid storage box in the prior art, water or impurities enter the laundry detergent when the liquid storage box is sealed badly, so that the laundry detergent effect is influenced, and even a high conveying pump required by the laundry detergent is influenced, and the sealing badness and even the sealing failure of the whole pump are caused.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is an exploded schematic view of a liquid feeding structure provided by an embodiment of the utility model;

FIG. 2 is a schematic diagram showing the overall structure of a liquid adding structure provided by the embodiment of the utility model;

fig. 3 shows a schematic diagram of an explosive structure of a peristaltic pump body in a liquid adding structure provided by an embodiment of the utility model;

FIG. 4 is a schematic cross-sectional view of a peristaltic pump body in a priming configuration provided by an embodiment of the present invention;

FIG. 5 shows a schematic view of an annular boss on a roller of a peristaltic pump body of a priming structure provided by an embodiment of the present invention;

fig. 6 is a schematic diagram showing an explosion structure of a peristaltic pump body and a motor shaft of a driving motor in a liquid adding structure provided by the embodiment of the utility model;

FIG. 7 is a schematic view showing a matching structure of a peristaltic pump body of a liquid adding structure and a motor shaft of a driving motor, provided by an embodiment of the utility model;

fig. 8 is a schematic view showing the overall structure of a peristaltic pump body in a liquid adding structure provided by an embodiment of the utility model;

FIG. 9 is a schematic view showing a structure of a peristaltic pump body and a rear cover of a liquid adding structure provided by an embodiment of the utility model;

fig. 10 is an exploded view of a fitting and a connecting pipe of a liquid adding structure provided by an embodiment of the utility model;

fig. 11 is a schematic structural view illustrating a state in which a fitting head of a liquid adding structure and a connecting pipe are fitted together according to an embodiment of the present invention;

fig. 12 is a schematic cross-sectional view showing a state where a fitting head of the liquid adding structure and a connection pipe are fitted to each other according to the embodiment of the present invention;

FIG. 13 is an exploded view of the reservoir and reservoir bag and peristaltic pump assembly of the filling arrangement provided by embodiments of the present invention;

FIG. 14 is a schematic structural diagram of a liquid storage box of a liquid adding structure provided by the embodiment of the utility model;

fig. 15 is a schematic diagram showing the matching structure of the peristaltic pump assembly and the pump cavity in the liquid adding structure provided by the embodiment of the utility model.

In the figure: the liquid storage box comprises a liquid storage box 1, a liquid storage cavity 11, a pump cavity 12, an opening 14, a fixing protrusion 15, a perforation 16, a liquid storage bag 2, an upper cover 3, a main body 41, a jack 411, an insertion head 412, an upper disc body 43, an annular boss 44, a lower disc body 45, a roller 46, a clamping groove 47, a connecting head 48, an assembling groove 49, a hose 51, a liquid outlet pipe 52, an assembling joint 61, a hollow circulating cavity 62, a clamping part 63, a connecting part 65, a clamping block 66, a V-shaped groove 67, a sealing ring 68, a driving motor 7, a motor shaft 71, a shell 8, a fixing groove 81, a front cover 91, a rear cover 92 and a rear cover hole 93.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Example 1:

referring to fig. 1 to 15, the present embodiment provides a liquid adding structure, including: the liquid storage box 1, a liquid storage cavity 11 and a pump cavity 12 are arranged in the liquid storage box 1; wherein the liquid storage cavity 11 is internally provided with a liquid storage bag 2; and a peristaltic pump assembly connected to the reservoir bag 2 is provided in the pump chamber 12. The reservoir 1 is herein fitted with an upper cover 3 adapted to cover the reservoir chamber 11 and the pump chamber 12.

It should be noted that the capacity of the pump chamber 12 is much smaller than the capacity of the reservoir chamber 11, in this case, the reservoir 1 can contain more laundry detergent or softener, so that the laundry can be washed more times by adding one time of the laundry detergent when in use.

The peristaltic pump assembly adopted by the embodiment comprises a peristaltic pump body and a shell 8 arranged outside the peristaltic pump body; wherein the peristaltic pump body comprises a main body 41, an upper disc body 43 and a lower disc body 45 connected to the main body 41, and a pair of rollers 46 rotatably fitted to the upper disc body 43 and the lower disc body 45. It should be noted here that the rollers 46 are of an integral structure, i.e. the rollers of a split structure in the prior art include the roller shaft and the roller body which are practically assembled, and the rollers 46 of an integral structure are directly and rotatably matched with the upper disc body 43 and the lower disc body 45.

The rotational engagement between the rollers 46 and the upper and lower disc bodies 43 and 45 with respect to the present embodiment is achieved by the following structure:

a pair of slots 47 are respectively arranged on the upper disc body 43 and the lower disc body 45, and the slots 47 are symmetrically distributed relative to the main body 41, and are respectively used for correspondingly matching with the rollers 46. And two ends of the roller 46 are respectively and integrally provided with a connector 48 suitable for being rotatably matched and connected with the clamping groove 47, wherein in order to enable the connector 48 to rotate smoothly in the clamping groove 47, the inner diameter of the clamping groove 47 is slightly larger than the outer diameter of the connector 48. In addition, in consideration of facilitating the connection of the connector 48 with the slot 47, in this embodiment, the upper tray 43 and the lower tray 45 are respectively provided with an assembly groove 49 communicating with the slot 47, the assembly groove 49 directly extends from the slot 47 to the circumferential edges of the upper tray 43 and the lower tray 45, the groove width of the assembly groove 49 is slightly smaller than or equal to the diameter of the connector 48, and when the connector 48 is assembled with the upper tray 43 and the lower tray 45, the connector 48 is directly inserted into the assembly groove 49 and then moves into the slot 47 through the assembly groove 49.

On the basis of the above structure, the present embodiment is further provided with an annular boss 44 on the circumferential side of the interface between the connector 48 and the roller 46. The annular boss 44 is arranged here, after the connecting head 48 is clamped with the clamping groove 47 of the upper disc body 43 and the lower disc body 45, the annular boss 44 is in contact with the upper disc body 43 and the lower disc body 45, and the significance of the design is that the problem that when the roller 46 rotates, the roller 46 is directly attached to the upper disc body 43 and the lower disc body 45 towards the end surfaces of the upper disc body 43 and the lower disc body 45 respectively, so that the friction is large is solved, namely the arrangement of the annular boss 44 reduces the friction between the roller 46 and the upper disc body 43 and the lower disc body 45 in the rotating process.

It should be further noted that the peristaltic pump body further includes a hose 51 sleeved outside the two rollers 46; in detail, the liquid inlet of the hose 51 is communicated with the liquid storage bag 2 through a connecting pipe; and the liquid outlet of the hose 51 is connected with a liquid outlet pipe 52; an opening 14 is provided in the side wall of the pump chamber 12 in communication with the outlet pipe 52. It should be noted that the aperture of the opening 14 is larger than the aperture of the liquid outlet pipe 52, the opening 14 is arranged at the 45-degree position of the right lower side of the liquid storage box 1, the opening 14 is communicated with the liquid outlet pipe 52, and when the peristaltic pump assembly works, the liquid is discharged from the liquid outlet pipe 52, passes through the opening 14 and then enters the washing cylinder.

In view of improving the sealing property of the connection between the liquid storage bag 2 and the peristaltic pump assembly, the liquid storage bag 2 of this embodiment is provided with a connector 61 for connecting with a connecting tube. For the matching between the fitting 61 and the connecting pipe, by way of example in an alternative embodiment with reference to the drawings, the fitting 61 has a hollow fitting cavity through both ends; the connecting pipe is suitable for being inserted into the hollow matching cavity so as to realize the clamping matching of the connecting pipe and the matching head 61; and the connecting tube has a hollow circulation chamber 62 adapted for liquid communication therethrough at both ends.

On the basis of the above structure, in further detail, the connection pipe includes a clamping portion 63 adapted to be inserted into the hollow mating cavity and a joining portion 65 integrally connected with the clamping portion 63 for connecting the hose 51; wherein, the end of the clamping part 63 far away from the joining part 65 is provided with a pair of outward turning clamping blocks 66, and the side wall of the clamping part 63 is provided with a pair of V-shaped grooves 67 extending the end of the clamping part 63 far away from the joining part 65; a sealing ring 68 is integrally arranged between the V-shaped groove 67 and the connecting part 65 on the outer side wall of the clamping part 63; the sealing ring 68 sealingly engages the hollow engagement cavity. That is to say, the connecting pipe utilizes the V-arrangement groove 67 of joint portion 63 to make joint portion 63 can block in the cavity cooperation chamber of adapter 61 under the condition of deformation, and the joint between joint portion 63 and the adapter 61 is realized to the block fit between the tip of fixture block 66 and adapter 61, treats that joint portion 63 and adapter 61 joint when target in place, and sealing ring 68 imbeds just in the cavity cooperation chamber of adapter 61 and realizes the sealed cooperation between the two. Under such structure, with the sealed assembly of stock solution bag 2 and peristaltic pump subassembly in place the back, both can pack into stock solution box 1 together, so can effectively avoid during water or impurity get into the detergent, guarantee the laundry effect.

By way of example of an alternative embodiment in conjunction with the drawings, the peristaltic pump assembly of the present embodiment is assembled and secured to the pump chamber 12 as follows:

a pair of fixing grooves 81 are formed on the outer side of the housing 8; and a fixing protrusion 15 engaged with the fixing groove 81 is provided at a side wall of the pump chamber 12. Here, alternatively, the fixing projection 15 is hemispherical; and the corresponding fixing groove 81 has a hemispherical groove-shaped structure. Namely, the peristaltic pump assembly and the pump cavity 12 are fixed by the cooperation of the fixing protrusions 15 and the fixing grooves 81, and the peristaltic pump assembly is fast and convenient to install.

Furthermore, the liquid adding structure of the embodiment further comprises a driving motor 7 which is suitable for being connected with the peristaltic pump body; an insertion hole 41 adapted to insert a motor shaft 71 of the driving motor 7 is provided on the main body 41; and a through hole 16 suitable for the motor shaft 71 of the driving motor 7 to pass through is formed on the side wall of the pump cavity 12, namely, the motor shaft 71 of the driving motor 7 is inserted into the insertion hole 41 after passing through the through hole 16. The drive motor 7 here serves for normal operation of the drive peristaltic pump assembly. The peristaltic pump assembly is connected with a driving motor 7 through a motor shaft 71, the motor shaft 71 penetrates through the through hole 16 of the liquid storage box 1 and then is inserted into the insertion hole 41 of the peristaltic pump assembly, the driving motor 7 is electrified, the motor shaft 71 drives the main body 41 and the upper disk body 43 and the lower disk body 45 connected with the main body 41 to rotate, the upper disk body 43 and the lower disk body 45 which rotate compress the hose 51 to work, one end of one roller 46 cut into the hose 51 forms negative pressure, so that liquid in the liquid storage bag 2 is sucked from a liquid inlet of the peristaltic pump body, the other roller 46 cut into the hose 51 forms positive pressure, and finally the liquid is discharged from the liquid outlet pipe 52 and directly enters the washing drum.

Further, the housing 8 of the present embodiment includes a front cover 91 and a rear cover 92 adapted to be fittingly fixed; and a rear cover hole 93 for fitting with the main body 41 is provided on the rear cover 92, and an insertion head 412 adapted to be clearance-fitted with the rear cover hole 93 is integrally provided on an end portion of the main body 41 for fitting with the rear cover 92.

Example 2:

on the basis of the liquid adding structure of embodiment 1, the present embodiment provides a washing machine including the liquid adding structure of embodiment 1.

The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (10)

1. A liquid feeding structure, comprising: the liquid storage box, a liquid storage cavity and a pump cavity are arranged in the liquid storage box; wherein

A liquid storage bag is arranged in the liquid storage cavity; a peristaltic pump assembly connected with the liquid storage bag is arranged in the pump cavity; and

the peristaltic pump assembly comprises a peristaltic pump body and a shell arranged outside the peristaltic pump body;

the peristaltic pump body comprises a main body, an upper disc body and a lower disc body which are connected with the main body, and a pair of rollers which are in running fit with the upper disc body and the lower disc body.

2. The liquid adding structure of claim 1, wherein a pair of clamping grooves are symmetrically arranged on the upper tray body and the lower tray body relative to the main body; and

and two ends of the roller are respectively and integrally provided with a connector which is suitable for being rotatably connected with the clamping groove.

3. The liquid adding structure of claim 2, wherein an annular boss is provided at a circumferential side of a junction of the connector and the roller.

4. The filling structure according to claim 1, characterized in that said peristaltic pump body further comprises a hose sleeved outside said two rollers;

the liquid inlet of the hose is communicated with the liquid storage bag through a connecting pipe; and the liquid outlet of the hose is connected with a liquid outlet pipe;

and the side wall of the pump cavity is provided with an opening communicated with the liquid outlet pipe.

5. The liquid adding structure according to claim 4, wherein the liquid storage bag is provided with a matching joint for connecting with a connecting pipe;

the matching head is provided with a hollow matching cavity penetrating through two ends; the connecting pipe is suitable for being inserted into the hollow matching cavity so as to realize clamping matching of the connecting pipe and the matching head; and

the connecting tube has a hollow flow lumen running through both ends.

6. The charging structure according to claim 5, wherein said connecting tube comprises a snap-fit portion adapted to be inserted into the hollow mating cavity and a joining portion integrally connected to said snap-fit portion for connecting a hose; wherein

The end of the clamping part far away from the linking part is provided with a pair of outward-turned clamping blocks, and the side wall of the clamping part is provided with a pair of V-shaped grooves for extending the end of the clamping part far away from the linking part; a sealing ring is integrally arranged between the V-shaped groove and the connecting part on the outer side wall of the clamping part;

the sealing ring is in sealing fit with the hollow matching cavity.

7. The charging structure according to claim 1, wherein a pair of fixing grooves are formed on the outer side of the housing; and

and a fixing bulge matched with the fixing groove is arranged on the side wall of the pump cavity.

8. The charging structure according to claim 7, characterized in that said fixing protrusions are hemispherical; and

the fixing groove is of a hemispherical groove-shaped structure.

9. The filling structure according to claim 1, characterized in that it further comprises a drive motor adapted to be connected to the peristaltic pump body;

the main body is provided with an insertion hole suitable for inserting a motor shaft of the driving motor; and

the side wall of the pump cavity is provided with a through hole suitable for a motor shaft of the driving motor to pass through, namely the motor shaft of the driving motor passes through the through hole and then is inserted into the jack.

10. A washing machine, characterized by comprising: the charging structure of any one of claims 1 to 9.

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