CN216972915U - Automatic put in device and washing equipment - Google Patents

Abstract

The utility model relates to the technical field of automatic putting, and discloses an automatic putting device and washing equipment.A peristaltic shell with a working cambered surface and a rotating matching part connected with an output shaft of a driving assembly are integrally formed, so that the dimensional accuracy between the central axis of the output shaft of the driving assembly and the working cambered surface can be ensured; and set up first normal running fit section at the axial both ends of mounting hole, set up second normal running fit section at the axial both ends of normal running fit portion, the normal running fit of first normal running fit section and second normal running fit section, and make the periphery wall interval setting of normal running fit portion between mounting hole inner wall between two first normal running fit sections and two second normal running fit sections, thereby relative size's stability when guaranteeing the installed part rotation, thereby make rolling spacing's dimensional stability and dimensional accuracy between rolling wheel and the work cambered surface obtain guaranteeing, the qualification rate when improving the automatic device of puting in of batch production, and the processing cost is reduced.

Description

Automatic put in device and washing equipment

Technical Field

The utility model relates to the technical field of automatic feeding, in particular to an automatic feeding device and washing equipment.

Background

The existing washing machines, dish washers and the like all use automatic detergent feeding devices and can use various detergents such as washing liquid, softener, disinfectant and the like. Because different detergents have different properties and different requirements on materials of pipelines for circulating the detergents, the use requirements for putting in various different detergents are difficult to meet by adopting one set of putting pumps.

In order to meet the use requirements, a double-path peristaltic pump is adopted in the prior art, one motor is provided with two peristaltic pumps, the two peristaltic pumps are driven to work in an interlocking mode through forward and reverse rotation of the motor, namely when one peristaltic pump works, the other peristaltic pump stops working, and therefore automatic feeding of a detergent is achieved.

The peristaltic pump comprises a pump shell, and a peristaltic tube and a rolling wheel which are arranged in the pump shell, wherein a working arc surface is arranged in the pump shell, and the rolling wheel rotates to extrude the peristaltic tube so that the peristaltic tube is elastically deformed under the action of the working arc surface and the rolling wheel, and thus, liquid in the peristaltic tube flows along the rolling direction.

Because be equipped with two peristaltic pumps in the pump case, for the ease of peristaltic pump's installation, the pump case is the components of a whole that can function independently structure, it includes casing and lower casing, it sets up a peristaltic pump respectively with lower casing to go up the casing, go up the casing and all set up in the casing down and carry out extruded work cambered surface to the peristaltic pipe with the cooperation of rolling wheel, in order to guarantee the qualification rate when automatic putting device of batch production, it is higher to rolling wheel and work cambered surface roll dimensional stability and the size precision requirement of interval, current double-circuit peristaltic pump's structure is difficult to satisfy the requirement to rolling the interval.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic feeding device and washing equipment, which can ensure the dimensional stability and dimensional precision of the rolling distance between the rolling wheel of a mounting part and a working cambered surface, improve the qualification rate of the automatic feeding device in batch production and reduce the processing cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic dispensing device comprising:

the inner wall of the peristaltic shell is provided with a working cambered surface;

the peristaltic assembly comprises a mounting piece, at least two rolling wheels and peristaltic tubes, wherein the rolling wheels are circumferentially distributed at intervals along the mounting piece, and the peristaltic tubes can elastically deform and are sleeved outside the mounting piece;

the rolling wheel is rotatably arranged on the mounting piece and matched with the working cambered surface to extrude the peristaltic tube;

the inner wall of the peristaltic shell is convexly provided with a rotation matching part which is integrally formed with the peristaltic shell, the mounting piece is provided with a mounting hole, the inner walls of two axial ends of the mounting hole are respectively provided with a first rotation matching section, and the outer peripheral wall of the rotation matching part is provided with a second rotation matching section which is arranged corresponding to the first rotation matching section and is in rotation matching with the first rotation matching section;

two between the first normal running fit section the mounting hole inner wall with two between the second normal running fit section normal running fit portion periphery wall interval sets up.

As an optional technical scheme of the automatic releasing device, one peristaltic assembly is arranged, and an output shaft of the driving assembly is fixedly connected with the mounting piece through a pin shaft;

the drive assembly and the running fit are located on opposite sides of the peristaltic housing.

As an optional technical scheme of the automatic releasing device, two peristaltic assemblies are arranged, and an output shaft of the driving assembly is connected with a pump shaft; each peristaltic assembly is provided with a one-way transmission assembly;

the pump shaft can selectively rotate positively and reversely, and the corresponding peristaltic assembly is driven to act through one of the one-way transmission assemblies and stopped to act through the other one-way transmission assembly in an interlocking manner.

As an optional technical solution of the above automatic dispensing device, each mounting member of the peristaltic assembly is provided with one of the rotation matching portions, and the two rotation matching portions are respectively protruded on two opposite inner walls of the peristaltic housing.

As an optional technical scheme of the automatic feeding device, a rotating shaft hole is formed in the mounting part, each rolling wheel is provided with a pair of rotating shaft holes which are coaxially arranged, and two axial ends of each rolling wheel are respectively rotatably arranged in the two rotating shaft holes which are paired.

As an optional technical solution of the automatic dispensing device, the mounting member includes a first mounting plate and a second mounting plate connected thereto; a pair of rotating shaft holes corresponding to each rolling wheel are respectively arranged on the first mounting plate and the second mounting plate;

the rolling wheel can move axially relative to the mounting piece and is limited between the first mounting plate and the second mounting plate.

As an optional technical solution of the above automatic feeding device, the first mounting plate and the second mounting plate are connected through an intermediate connecting member, and the first mounting plate, the intermediate connecting member and the second mounting plate are integrally formed.

As an optional technical solution of the automatic releasing device, an end surface of the first mounting plate facing the second mounting plate is provided with a first limiting protrusion, and the first limiting protrusion is located between two adjacent rolling wheels;

and/or a second limiting bulge is arranged on the end face, facing the first mounting plate, of the second mounting plate and is positioned between two adjacent rolling wheels.

As an alternative solution of the above automatic dispensing device, the peristaltic tube is provided with a communicating pipe fitting, and the communicating pipe fitting comprises:

the pipeline mounting plate is clamped with the peristaltic shell;

the inlet and outlet pipeline is fixed on the pipeline mounting plate, and two inlet and outlet end parts of the peristaltic tube are respectively connected with one inlet and outlet pipeline;

and the two pipeline mounting plates are communicated with the pipe fittings in a clamping manner.

As an optional technical scheme of the automatic releasing device, the peristaltic shell comprises an upper shell and a lower shell, one end of the upper shell is connected with one end of the lower shell in a clamping mode, and the other end of the upper shell is connected with the other end of the lower shell through a self-tapping screw.

As an optional technical solution of the above automatic feeding device, one of the upper casing and the lower casing is provided with a positioning column, and the other is provided with a positioning hole in insertion fit with the positioning column.

As an optional technical scheme of the automatic feeding device, the inner walls of the upper shell and the lower shell are both provided with the working arc surfaces, the end surface of the upper shell contacting the lower shell is provided with an upper flanging extending outwards, and the end surface of the lower shell contacting the upper shell is provided with a flanging extending outwards.

As an optional technical solution of the above automatic dispensing device, a plurality of mounting posts are convexly provided on an outer wall of the lower housing, and part of the mounting posts are used for connecting to the driving assembly through fasteners; and part of the mounting columns are used for fixing the automatic putting device on the equipment body of the washing equipment through fasteners.

As an optional technical solution of the above automatic dropping device, at least one rolling wheel is always matched with the working cambered surface to press the creeping tube.

The utility model also provides washing equipment comprising the automatic feeding device.

The utility model has the beneficial effects that: according to the automatic throwing device provided by the utility model, the peristaltic shell with the working arc surface and the rotating matching part connected with the output shaft of the driving assembly are integrally formed, so that the dimensional accuracy between the central axis of the output shaft of the driving assembly and the working arc surface can be ensured; and set up first normal running fit section at the axial both ends of mounting hole, set up second normal running fit section at the axial both ends of normal running fit portion, the normal running fit of first normal running fit section and second normal running fit section, and make the periphery wall interval setting of normal running fit portion between mounting hole inner wall between two first normal running fit sections and two second normal running fit sections, thereby relative size's stability when guaranteeing the installed part rotation, thereby make rolling spacing's dimensional stability and dimensional accuracy between rolling wheel and the work cambered surface obtain guaranteeing, the qualification rate when improving the automatic device of puting in of batch production, and the processing cost is reduced.

The washing equipment provided by the utility model comprises the automatic feeding device, and the rolling distance between the rolling wheel rotatably arranged on the mounting part and the working cambered surface is accurately controlled, so that the accurate control of the liquid amount in the automatic feeding process is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of an automatic dispensing device according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automatic dispensing device according to a first embodiment of the present invention;

fig. 3 is a first cross-sectional view of an automatic dispensing device according to a first embodiment of the present invention;

fig. 4 is a second cross-sectional view of the automatic dispensing device according to the first embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view at A of FIG. 4;

fig. 6 is a schematic structural diagram of an upper housing according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a lower housing according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a mounting member according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an automatic dispensing device according to a second embodiment of the present invention;

fig. 10 is a schematic structural diagram of an automatic dispensing device according to a second embodiment of the present invention;

fig. 11 is a sectional view of an automatic dispensing device according to a second embodiment of the present invention;

fig. 12 is a schematic partial structural view of an automatic dispensing device according to a second embodiment of the present invention;

fig. 13 is an exploded view of a peristaltic assembly (with no peristaltic tubing) as provided by example two of the present invention.

In the figure:

1. a peristaltic housing; 10. a rotation fitting portion; 101. a first rotationally engaged section; 11. an upper housing; 111. upward flanging; 112. a first connecting post; 113. a second fixture block; 114. a positioning column;

12. a lower housing; 121. downward flanging; 122. positioning holes; 123. a first mounting post; 124. a second mounting post; 125. a first clamping block; 126. a second card hole; 127. a second connecting column; 13. a working arc surface; 14. a second reinforcing rib;

2. a drive assembly; 21. an output shaft; 22. a pump shaft; 23. a pin shaft; 24. a first card hole; 25. wire clamping;

3. a peristaltic assembly; 31. a mounting member; 310. mounting holes; 3101. a second rotationally engaged section; 311. a first mounting plate; 3111. a first limit protrusion; 312. a second mounting plate; 3121. a second limit bulge; 313. an intermediate connecting member; 314. a rotating shaft hole; 32. a rolling wheel; 33. a peristaltic tube;

4. a communicating pipe fitting; 41. a pipe mounting plate; 42. an inlet pipe and an outlet pipe;

51. a mounting ring; 511. a pawl; 52. a ratchet.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

Example one

As shown in fig. 1 to 8, the present embodiment provides an automatic dispensing device and a washing apparatus, the washing apparatus includes an apparatus main body and the automatic dispensing device, the apparatus main body is a washing machine or a dishwasher, and the automatic dispensing device is used for providing liquid for the apparatus main body to realize automatic dispensing of the liquid.

When the main body of the device is a washing machine, the liquid is at least one of washing liquid, softener and disinfectant; when the device main body is a dish washer, the liquid is at least one of dish washing liquid, dish brightening agent and disinfectant. It should be noted that the automatic dispensing device can be applied not only to washing apparatuses such as washing machines and dishwashers, but also to other apparatuses requiring precise control of fluid flow, and will not be described in detail herein.

The automatic throwing device comprises a peristaltic shell 1, a driving component 2 and a peristaltic component 3, wherein a working arc surface 13 is arranged on the inner wall of the peristaltic shell 1; the peristaltic assembly 3 comprises a mounting member 31, a plurality of rolling wheels 32 circumferentially distributed along the mounting member 31 at intervals, and a peristaltic tube 33 capable of being elastically deformed and sleeved outside the mounting member 31. The driving assembly 2 is used for driving the mounting part 31 to rotate, and during the mounting rotation, the rolling wheel 32 rotates relative to the mounting part 31 and cooperates with the working cambered surface 13 to press the peristaltic tubes 33, so that the peristaltic tubes 33 are elastically deformed, and liquid in the peristaltic tubes 33 flows.

Illustratively, there are two rolling wheels 32, and the two rolling wheels 32 are distributed at 180 ° with respect to the mounting member 31. In other embodiments, the number of the rolling wheels 32 may also be three or more, and the number may be specifically set according to actual requirements, where it should be noted that the larger the number of the rolling wheels 32, the larger the power required by the driving assembly 2 is.

In order to ensure the qualified rate of the automatic putting device in mass production, the rolling distance between the rolling wheel 32 and the working arc surface 13 needs to be strictly controlled, and the rotating matching part 10 integrally formed with the inner wall of the peristaltic shell 1 is convexly arranged on the inner wall of the peristaltic shell in the embodiment. The mounting piece 31 is provided with a mounting hole 310, the inner walls of the two axial ends of the mounting hole 310 are provided with first rotation matching sections 101, and the outer peripheral wall of the rotation matching part 10 is provided with second rotation matching sections 3101 which are arranged corresponding to the first rotation matching sections 101 and are in rotation matching with the first rotation matching sections; the inner wall of the mounting hole 310 between the two first rotation fitting sections 101 is spaced apart from the outer peripheral wall of the rotation fitting portion 10 between the two second rotation fitting sections 3101.

The peristaltic shell 1 provided with the working cambered surface 13 and the rotation matching part 10 are integrally formed, so that the dimensional accuracy between the central axis of the output shaft 21 of the driving assembly 2 and the working cambered surface 13 can be ensured; and set up first normal running fit section 101 at the axial both ends of mounting hole 310, set up second normal running fit section 3101 at the axial both ends of normal running fit portion 10, the normal running fit of first normal running fit section 101 and second normal running fit section 3101, and make the mounting hole 310 inner wall between two first normal running fit sections 101 and the periphery wall interval setting of normal running fit portion 10 between two second normal running fit sections 3101, stability when having improved installed part 31 and normal running fit portion 10 relative rotation, relative size's stability between installed part 31 and normal running fit portion 10 when guaranteeing installed part 31 rotation, thereby make the size stability and the size precision of the interval of rolling between rolling wheel 32 and the work cambered surface 13 obtain guaranteeing, qualification rate when improving the automatic device of puting in of batch production, reduce the processing cost. Further, the above arrangement also has the effect of reducing the frictional resistance between the rotation fitting portion 10 and the mounting member 31.

It should be noted that the peristaltic assembly 3 may be one or two, and the automatic dispensing device will be briefly described below by taking an example in which the peristaltic assembly 3 is provided with one.

Specifically, the driving assembly 2 is a motor, and an output shaft 21 of the motor is fixedly connected with the mounting member 31 through a pin 23; the drive assembly 2 and the running fit 10 are located on opposite sides of the peristaltic housing 1.

In this embodiment, the shell and the wriggling shell joint of motor, easy dismounting. Specifically, the wriggling shell includes casing 11 and the casing 12 down that links to each other with it, and the shell of motor passes through first buckle structure and casing 12 joint down, and the protruding 11 inner walls of casing on of locating of normal running fit portion 10. Illustratively, the number of the first snap structures is four, and the four first snap structures are distributed at intervals along the circumferential direction of the shell of the motor. The first fastening structure includes a first fastening hole 24 formed in the housing of the motor, and a first fastening block 125 formed in the lower casing 12, and the first fastening block 125 is fastened in the first fastening hole 24.

In order to improve the stability of the connection between the motor housing and the peristaltic housing, in this embodiment, a plurality of mounting posts are convexly disposed on the outer side wall of the lower housing 12, wherein a part of the mounting posts are first mounting posts 123 for mounting the automatic dispensing device on the device body of the washing device through a fastener, and the other mounting posts are second mounting posts 124 for connecting the motor through the fastener. Illustratively, four first mounting posts 123 are provided, two first mounting posts 123 are respectively provided on two opposite sidewalls of the lower housing 12, and a second mounting post 124 is provided between the two first mounting posts 123.

Furthermore, one end of the upper shell 11 and one end of the lower shell 12 are clamped, and the other ends are connected through tapping screws. Specifically, the inner wall of the upper shell 11 is convexly provided with a first connecting column 112, the inner wall of the lower shell 12 is convexly provided with a second connecting column 127, one end of the first connecting column 112 is inserted into the second connecting column 127, and the first connecting column 112 and the second connecting column 127 are connected through a self-tapping screw. Go up casing 11 and lower casing 12 and pass through the second buckle structure and link to each other, specifically, the second buckle structure is including locating second fixture block 113 on last casing 11, and locate the second card hole 126 of casing 12 down, and second fixture block 113 joint is in second card hole 126.

Further, when one peristaltic assembly 3 is provided, in this embodiment, the working arc surface 13 is provided on the inner wall of the upper housing 11, and since the working arc surface 13 on the upper housing 11 is in a compressed state for a long time in practical application, the requirement on the structural strength of the upper housing 11 is high. For this reason, the present embodiment inserts the upper case 11 and the lower case 12, and makes the inner walls of the upper case 11 and the lower case 12 abut to improve the structural strength of the upper case 11.

In order to facilitate the installation of the upper housing 11 and the lower housing 12, in this embodiment, a positioning column 114 is disposed on one of the upper housing 11 and the lower housing 12, and a positioning hole 122 is disposed on the other one of the upper housing 11 and the lower housing 12 and is in insertion fit with the positioning column 114. Specifically, a positioning hole 122 is formed in the inner bottom wall of the lower casing 12, a positioning post 114 is protruded from the opening end surface of the upper casing 11, one end of the upper casing 11 is inserted into and abutted against the inner wall of the lower casing 12 facing the upper casing 11, and the positioning post 114 is inserted into the corresponding positioning hole 122, so as to achieve the purpose of positioning the upper casing 11 and the lower casing 12.

Furthermore, the mounting member 31 is provided with a rotating shaft hole 314, each rolling wheel 32 is provided with a pair of coaxially arranged rotating shaft holes 314, and two axial ends of the rolling wheel 32 are respectively rotatably arranged in the two paired rotating shaft holes 314.

In order to reduce the frictional resistance between the rolling wheel 32 and the rotating shaft hole 314 and improve the convenience of disassembly and assembly, the rotating shaft hole 314 is a C-shaped hole, the opening angle of the C-shaped hole is smaller than 90 degrees, the diameter of the rolling wheel 32 can be further limited, the friction area between the rolling wheel 32 and the mounting part 31 is reduced, the rolling wheel 32 can rotate relative to the mounting part 31, and meanwhile, the outer peripheral wall of the rolling wheel 32 and the peristaltic tubes 33 do not slip relatively, so that the rolling wheel 32 is kept rolling the peristaltic tubes 33.

Further, the mounting member 31 includes a first mounting plate 311, and a second mounting plate 312 connected thereto; a pair of rotating shaft holes 314 corresponding to each rolling wheel 32 are respectively arranged on the first mounting plate 311 and the second mounting plate 312; the rolling wheel 32 is axially movable relative to the mounting 31 and is captured between a first mounting plate 311 and a second mounting plate 312. Specifically, the distance between the first mounting plate 311 and the second mounting plate 312 is slightly larger than the axial length of the rolling wheel 32, so that the rolling wheel 32 has a margin in the axial direction, the rolling wheel 32 is convenient to mount, the rolling wheel 32 can move in a small axial displacement manner, and the rolling wheel does not run out of the rolling range of the rolling wheel 32 when the peristaltic tube 33 deviates a little. As for the distance between the first mounting plate 311 and the second mounting plate 312, it can be determined by repeated experiments, and is not particularly limited herein.

Further, the first mounting plate 311 and the second mounting plate 312 are connected by the intermediate connector 313, and the first mounting plate 311, the intermediate connector 313 and the second mounting plate 312 are integrally formed. In this embodiment, the two first rotating fitting sections 101 are respectively disposed on the first mounting plate 311 and the second mounting plate 312, and the first mounting plate 311, the middle connecting member 313 and the second mounting plate 312 are integrally formed, so that the processing and the assembly can be simplified, and the coaxiality of the two first rotating fitting sections 101 on the mounting member 31 can be ensured.

Further, the end surface of the first mounting plate 311 facing the second mounting plate 312 is provided with a first limiting protrusion 3111, and the first limiting protrusion 3111 is located between two adjacent rolling wheels 32; the end surface of the second mounting plate 312 facing the first mounting plate 311 is provided with a second limit protrusion 3121, and the second limit protrusion 3121 is located between two adjacent rolling wheels 32. The position of the peristaltic tube 33 can be effectively fixed through the first limiting protrusion 3111 and the second limiting protrusion 3121, when the rolling wheel 32 does not extrude the peristaltic tube 33, the first limiting protrusion 3111 and the second limiting protrusion 3121 can effectively limit the peristaltic tube 33 to slide, prevent the peristaltic tube 33 from moving up and down, avoid the peristaltic tube 33 from being scratched due to extrusion deformation dislocation, have a protection effect on the peristaltic tube 33, and prolong the service life of the peristaltic tube 33.

For example, when two rolling wheels 32 are provided, the first limiting protrusion 3111 and the second limiting protrusion 3121 are symmetrically distributed about the two rolling wheels 32, and the first limiting protrusion 3111 and the second limiting protrusion 3121 are directly distributed up and down.

Further, at least one rolling wheel 32 can be matched with the working cambered surface 13 to extrude the peristaltic tube 33, so that when the driving assembly 2 drives the mounting part 31 to rotate, the at least one rolling wheel 32 is always matched with the working cambered surface 13 to extrude the peristaltic tube 33, liquid in the peristaltic tube 33 flows, and the continuity of liquid outflow at the outlet end of the peristaltic tube 33 is ensured.

Furthermore, the peristaltic tube 33 is provided with a communicating pipe 4, the communicating pipe 4 comprises a pipe mounting plate 41 and an inlet and outlet pipe 42, the pipe mounting plate 41 is clamped with the peristaltic housing 1, the inlet and outlet pipe 42 is fixed on the pipe mounting plate 41, and two inlet and outlet ends of each peristaltic tube 33 are respectively connected with one inlet and outlet pipe 42. In this embodiment, the lower end of the pipeline mounting plate 41 is inserted into the lower housing 12, and the upper end of the pipeline mounting plate 41 is pressed against the upper housing 11, so that the pipeline mounting plate has the advantage of convenience in disassembly and assembly. Specifically, be equipped with the joint groove on the casing 12 down, the lower extreme of pipeline mounting panel 41 inserts in the joint inslot and butt in the inner wall in joint groove to with the upper end of pipeline mounting panel 41 and the crimping of last casing 11, realize carrying on spacingly along the depth direction and the width direction in joint groove to pipeline mounting panel 41.

Preferably, the duct mounting plate 41 and the two inlet and outlet ducts 42 are integrally formed, which simplifies the process and assembly and reduces the cost.

In order to avoid insufficient strength of the communication pipe 4, a first reinforcing rib is provided at a connection position of the duct mounting plate 41 and the inlet/outlet duct 42.

The end of the inlet/outlet pipe 42 not connected to the peristaltic tube 33 is provided with a sealing groove, and when the two ends of the inlet/outlet pipe 42 are respectively connected to the replacement container and the input port of the washing equipment, a sealing member can be installed in the sealing groove to prevent liquid leakage.

Example two

As shown in fig. 9 to 13, the main difference between the present embodiment and the implementation is that two peristaltic assemblies 3 are provided, and a pump shaft 22 is connected to an output shaft 21 of the driving assembly 2; each peristaltic component 3 is provided with a one-way transmission component; the pump shaft 22 can selectively rotate positively and negatively, and drives the corresponding peristaltic assembly 3 to act through one of the one-way transmission assemblies and stops the corresponding peristaltic assembly 3 to act through the other one-way transmission assembly in an interlocking manner.

Through a drive assembly 2 cooperation two peristaltic assemblies 3, and with the one-way transmission subassembly of peristaltic assemblies 3 one-to-one, realize the automation of liquid and put in, simple structure is compact, has reduced automatic input device volume, has reduced the cost of automatic input device.

The one-way transmission component is any one of a ratchet wheel and ratchet structure, a one-way bearing, a one-way coupling and a non-ratchet wheel type one-way overrunning clutch. Illustratively, the one-way transmission assembly is a ratchet-and-wheel structure, which comprises a mounting ring 51 mounted on the pawl 511 and a ratchet 52 arranged on the mounting member 31, wherein the mounting directions of the two pawls 511 are opposite, so that when the pump shaft 22 rotates, the two mounting rings 51 can be driven to rotate, but only one mounting member 31 can rotate under the meshing action of the pawl 511 and the ratchet 52; the other mount 31 can be made to rotate by the engagement of the pawl 511 and ratchet 52 when the pump shaft 22 is rotated in the reverse direction.

Because the pump shaft 22 is longer when two peristaltic assemblies 3 are arranged, in order to ensure the stability of the rotation of the pump shaft 22, the mounting part 31 of each peristaltic assembly 3 is respectively provided with one rotating matching part 10, and the two rotating matching parts 10 are respectively convexly arranged on two opposite inner walls of the peristaltic housing 1. In this embodiment, the inner top wall of the upper housing 11 and the inner bottom wall of the lower housing 12 are respectively provided with a rotating matching part 10 in a protruding manner, and the two rotating matching parts 10 are coaxially arranged.

Further, in order to perform axial limiting on the mounting rings 51, the inner wall of the mounting member 31 is provided with a limiting surface, one end of each mounting ring 51 abuts against the limiting surface, and the other end abuts against an axial end surface of the other mounting ring 51. All be equipped with an annular boss on two collar 51's the relative terminal surface, two annular bosses are coaxial and just to the butt setting, through setting up the frictional resistance when annular boss reduces two installed parts 31 circumference relative slip.

Further, when peristaltic subassembly 3 was equipped with two, the inner wall of last casing 11 and lower casing 12 all was equipped with work cambered surface 13, because work cambered surface 13 on last casing 11 and the lower casing 12 can be in by the extrusion state for a long time during practical application, consequently has higher to the structural strength requirement of last casing 11 and lower casing 12. For this purpose, in the present embodiment, the end surface of the upper shell 11 contacting the lower shell 12 is provided with an upper flange 111 extending outwards, and the end surface of the lower shell 12 contacting the upper shell 11 is provided with a lower flange 121 extending outwards. The structural strength of the upper case 11 is improved by providing the above-described upper flange 111, and the structural strength of the lower case 12 is improved by the lower flange 121. In this embodiment, the positioning column 114 is disposed on the lower flange 121, and the positioning hole 122 is disposed on the upper flange 111.

Further, the outer wall of the upper shell 11 and the outer wall of the lower shell 12 are both provided with second reinforcing ribs 14.

Further, the wire clamp 25 is arranged on the shell of the motor and used for clamping the wire harness, and the wire harness is prevented from being messy.

Further, each peristaltic tube 33 is provided with a communicating pipe 4, and the pipeline mounting plates 41 of the two communicating pipes 4 are clamped.

Further, lightening holes are formed in the lower shell 12, specifically, lightening holes are formed in the inner bottom wall and the outer bottom wall of the lower shell 12, and the lightening holes are counter bores.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (15)

1. An automatic dispensing device comprising:

the inner wall of the peristaltic shell (1) is provided with a working cambered surface (13);

the peristaltic assembly (3) comprises a mounting part (31), at least two rolling wheels (32) which are distributed at intervals along the circumferential direction of the mounting part (31), and peristaltic pipes (33) which can generate elastic deformation and are sleeved outside the mounting part (31);

the driving assembly (2) is used for driving the mounting part (31) to rotate, and the rolling wheel (32) is rotatably mounted on the mounting part (31) and matched with the working cambered surface (13) to press the creeping tube (33);

the peristaltic pump is characterized in that a rotation matching part (10) integrally formed with the peristaltic shell (1) is convexly arranged on the inner wall of the peristaltic shell (1), a mounting hole (310) is formed in the mounting part (31), first rotation matching sections (101) are arranged on the inner walls of two axial ends of the mounting hole (310), and second rotation matching sections (3101) which are arranged corresponding to the first rotation matching sections (101) and are in rotation matching with the first rotation matching sections are arranged on the outer peripheral wall of the rotation matching part (10);

the inner wall of the mounting hole (310) between the two first rotating matching sections (101) and the outer peripheral wall of the rotating matching part (10) between the two second rotating matching sections (3101) are arranged at intervals.

2. The automatic dispensing device according to claim 1, characterized in that said peristaltic assembly (3) is provided with one, the output shaft (21) of said driving assembly (2) being fixedly connected to said mounting member (31) by means of a pin (23);

the driving assembly (2) and the rotation matching part (10) are positioned at two opposite sides of the peristaltic shell (1).

3. The automatic dispensing device according to claim 1, characterized in that said peristaltic assembly (3) is provided in two, the output shaft (21) of said driving assembly (2) being connected to a pump shaft (22); each peristaltic assembly (3) is provided with a one-way transmission assembly;

the pump shaft (22) can selectively rotate positively and reversely, the corresponding peristaltic assembly (3) is driven to act through one of the one-way transmission assemblies in an interlocking mode, and the corresponding peristaltic assembly (3) is stopped to act through the other one-way transmission assembly.

4. An automatic dispensing device according to claim 3, characterized in that the mounting means (31) of each peristaltic assembly (3) is associated with a respective one of said cooperating portions (10), said cooperating portions (10) being respectively projecting from opposite inner walls of said peristaltic housing (1).

5. The automatic dispensing device of any one of claims 1 to 4, wherein a rotating shaft hole (314) is formed in the mounting member (31), each rolling wheel (32) is provided with a pair of the rotating shaft holes (314) which are coaxially arranged, and two axial ends of each rolling wheel (32) are respectively rotatably arranged in the two paired rotating shaft holes (314).

6. The automatic dispensing device according to claim 5, characterized in that said mounting member (31) comprises a first mounting plate (311), and a second mounting plate (312) connected thereto; a pair of rotating shaft holes (314) corresponding to each rolling wheel (32) are respectively arranged on the first mounting plate (311) and the second mounting plate (312);

the rolling wheel (32) is axially movable relative to the mounting (31) and is constrained between the first mounting plate (311) and the second mounting plate (312).

7. Automatic delivery device according to claim 6, characterized in that said first mounting plate (311) and said second mounting plate (312) are connected by an intermediate connection (313), said first mounting plate (311), said intermediate connection (313) and said second mounting plate (312) being integrally formed.

8. The automatic dispensing device according to claim 6, characterized in that the end surface of the first mounting plate (311) facing the second mounting plate (312) is provided with a first limiting protrusion (3111), and the first limiting protrusion (3111) is located between two adjacent rolling wheels (32);

and/or a second limiting bulge (3121) is arranged on the end surface of the second mounting plate (312) facing the first mounting plate (311), and the second limiting bulge (3121) is located between two adjacent rolling wheels (32).

9. The automatic delivery device according to any one of claims 1 to 4, characterized in that said peristaltic tube (33) is provided with a communicating tube (4), said communicating tube (4) comprising:

the pipeline mounting plate (41), the pipeline mounting plate (41) is clamped with the peristaltic shell (1);

the inlet and outlet pipeline (42) is fixed on the pipeline mounting plate (41), and two inlet and outlet end parts of the peristaltic pipe (33) are respectively connected with one inlet and outlet pipeline (42);

the two pipeline mounting plates (41) of the communicating pipe fittings (4) are clamped.

10. The automatic dispensing device according to claim 1, characterized in that said peristaltic housing (1) comprises an upper housing (11) and a lower housing (12), one end of said upper housing (11) and one end of said lower housing (12) being engaged, the other end being connected by self-tapping screws.

11. The automatic dispensing device according to claim 10, wherein one of the upper housing (11) and the lower housing (12) is provided with a positioning post (114), and the other is provided with a positioning hole (122) which is inserted and matched with the positioning post (114).

12. The automatic dispensing device according to claim 10, wherein the inner walls of the upper housing (11) and the lower housing (12) are provided with the working arc surface (13), the end surface of the upper housing (11) contacting the lower housing (12) is provided with an outwardly extending upper flange (111), and the end surface of the lower housing (12) contacting the upper housing (11) is provided with an outwardly extending flange.

13. The automatic dispensing device according to any one of claims 10 to 12, characterized in that the outer wall of said lower casing (12) is provided convexly with a plurality of mounting posts, part of said posts being intended to be connected to said drive assembly (2) by means of fasteners; and part of the mounting columns are used for fixing the automatic putting device on the equipment body of the washing equipment through fasteners.

14. Automatic dispensing device according to any one of claims 1 to 4, characterized in that at least one of said rolling wheels (32) always presses said peristaltic tube (33) in cooperation with said work arc (13).

15. A washing apparatus, characterized in that it comprises an automatic dispensing device according to any one of claims 1 to 14.

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