CN212377408U

CN212377408U - Diverter valve

Info

Publication number: CN212377408U
Application number: CN202020707696.2U
Authority: CN
Inventors: 朱梅生; 王照亮
Original assignee: Suzhou Calomey Coffee Machine Technology Co ltd
Current assignee: Suzhou Calomey Coffee Machine Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-19
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a branch valve, including branch valve subassembly, branch valve transmission subassembly, driving motor and control driving motor's controlling means, driving motor drives under controlling means's control to divide the transmission of valve transmission subassembly, and then drive divide the valve subassembly to fix a position gradually, divide valve transmission subassembly to be intermittent gear drive subassembly, intermittent gear drive subassembly under driving motor's drive, every transmission is once at least, and controlling means will control driving motor stops the drive; through the utility model discloses in the intermittent type gear drive subassembly that adopts carry out the transmission through gear engagement's mode, because area of contact is big, pressure is little when meshing between gear and the gear, consequently not only the transmission is steady reliable at the action in-process, and still enough wear-resisting under the high frequency in service behavior, can satisfy the requirement of the long-time work consumption of beverage machine.

Description

Diverter valve

Technical Field

The utility model relates to a technical field that vapour/liquid divides in the beverage machine is to especially relates to a branch valve.

Background

In the prior art, in the field of beverage machines, in particular coffee machines, it is generally necessary to prepare different beverages, such as different flavors or types of coffee, and different liquids or gases, such as milk, milk foam, hot water or steam, etc., for preparing coffee. In order to achieve the above purpose, a plurality of check valves are installed inside a common beverage machine, and are connected with functional elements such as a hot water generator, a steam generator hot water outlet nozzle or a steam outlet nozzle through manual or program automatic control check valves, and when any functional element needs to be used, the check valve corresponding to the functional element is controlled to be opened. At present, a ceramic disk valve as a multi-way valve is mostly used, and the ceramic disk valve comprises a branch movable block and a branch main channel block which are matched with each other, wherein a plurality of through holes are formed in the branch main channel block, each through hole corresponds to one functional element, a conducting groove is formed in the branch movable block, the conducting groove can conduct two of the through holes in the branch main channel block, namely the conducting groove can indirectly conduct the functional elements corresponding to the two through holes in the branch main channel block, such as a steam generator and a steam outlet nozzle, or a hot water generator and a hot water outlet nozzle, and the like. The ceramic disk type valve in the prior art is mainly composed of a fixed ceramic disk and a rotatable ceramic disk concentric therewith, wherein the fixed ceramic disk has through holes fixedly connected to inlet and outlet lines of liquid or vapor to be controlled, one side of which is provided with an elastic sealing member and communicates with a pipeline passage through the elastic sealing member, and the other side of which is in contact with the rotary disk valve; when the rotary disk valve works, the rotary disk valve is rotated to a selected rotation angle position, so that the rotary disk valve is connected with the inlet and the outlet of the fixed ceramic disk, and a driving motor for adjusting the ceramic disk valve can be manually controlled or automatically controlled by a program.

The accurate angular positioning of the disk valve is realized, so that the opening on the disk valve to be connected is quickly and accurately covered, and the reliable and uniform flow guarantee is provided by the multi-way valve. In the prior art, a conventional disc valve with a good matching degree is like a maltese cross disc valve, a maltese cross transmission device is arranged between a driving motor and a ceramic disc valve, the transmission device comprises a maltese cross disc with a radial driving groove and a driving pin connected with the driving motor, and the driving pin is screwed into the radial driving groove in the maltese cross disc every time the driving pin rotates under the driving of the driving motor, so that the maltese cross disc is driven to rotate one step, and the maltese cross disc drives the rotary disc valve to rotate, thereby realizing the switching action of different conducting pipelines.

However, the liquid/steam circuit switching action is frequently required in the beverage machine, so that the wear resistance and rigidity of the liquid/steam circuit switching valve are high, and aiming at the requirements, the cross-shaped driving structure characteristic of the malta is combined, a driving pin in the device adopts a metal material as a driving pin shaft, a base is a plastic part, and the driving pin shaft and the base are integrated into a whole; in addition, because the water channel is frequently switched in the beverage dispenser, the initial and final rotation sections of the pin shaft are driven, the acceleration change is large, flexible impact exists, abrasion is easy to generate, the abrasion is intensified exponentially along with the generation of the abrasion, and the requirements of high-frequency use scenes and long-period service life cannot be met; in addition, because the cooperation of drive pin and sheave in the maltese cross dish, one is metal material, and one is the plastics material, and both material intensity are inconsistent, when wearing and tearing produce the clearance, and it produces the noise more easily to gnaw into when nibbling out the impact, influences the use experience of beverage machine and feels. Therefore, on the basis of reducing the cost and the difficulty of the production process, it is one of the hot problems of the current research to provide a beverage dispenser which is stable and reliable in operation, low in noise and capable of improving the experience of use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a directional valve with stable transmission, wear resistance, long service life, stable and reliable work and low noise.

For solving above-mentioned prior art problem, when considering reduce cost and production technology problem, provide a job stabilization is reliable and the low branch valve of noise, the utility model provides a branch valve, including branch valve module, branch to valve drive subassembly, driving motor and control driving motor's controlling means, driving motor is in drive under controlling means's control drive divide to the transmission of valve drive subassembly, and then drive divide to the valve module and progressively fix a position, divide to the valve drive subassembly to be intermittent gear drive subassembly, intermittent gear drive subassembly is in under driving motor's the drive, every transmission is once at least, and controlling means will control driving motor stops the drive.

The intermittent gear transmission assembly comprises a driving wheel and a driving wheel which are meshed with each other, the driving wheel is connected with a driving motor, the driving wheel is connected with a branch valve assembly, the driving wheel drives the driving wheel to rotate for a certain angle every time the driving motor is driven at least once under the control of a control device, and the driving wheel drives the branch valve assembly to rotate when rotating, so that the switching action of the branch valve assembly is realized. Because the utility model discloses the intermittent type gear drive subassembly of well adoption is transmitted through gear engagement's mode, and area of contact is big, pressure is little when meshing between gear and the gear, consequently not only the transmission is steady reliable, the noise is low at the action in-process, and still enough wear-resisting under the high frequency in service behavior, can satisfy the requirement of the long-time work consumption of beverage machine.

A plurality of driving tooth areas are arranged on part of the arc surface of the driving wheel, disc-shaped boss areas are arranged on the arc surface without the driving tooth areas, and one driving tooth area and one disc-shaped boss area form a driving group; a plurality of groups of transmission tooth groups are arranged on the transmission wheel, and each group of transmission tooth group is matched with the driving group; when the driving motor is driven at least once, the driving teeth of the driving tooth area on the driving wheel drive the transmission tooth group on the driving wheel to rotate.

Based on the above solution, the present invention provides three possible preferred embodiments, wherein, in the first preferred embodiment, there is one driving tooth area on the driving wheel, and there are one or more driving teeth in the driving tooth area, and the disc-shaped boss area surrounds the remaining non-driving tooth area; in a second preferred embodiment, the driving gear area on the driving wheel is a plurality of driving gear areas, the plurality of driving gear areas are arranged at intervals, and the disc-shaped boss areas are discontinuously arranged in the intervals among the plurality of driving gear areas; in a third preferred embodiment, the driving teeth of the driving tooth area are multiple, and the heights of the multiple driving teeth are not equal. In the three possible preferred embodiments, the transmission is carried out in a gear meshing mode, so that the transmission is stable and reliable, and the noise is low.

Based on the first to the second possible preferred embodiments, there are two possible solutions, wherein one possible solution is that the height of the disk-shaped boss area of the driving set is lower than the height of the driving teeth of the driving tooth area, correspondingly, each group of the driving teeth on the driving wheel comprises a long tooth, a short tooth engaged with the driving tooth, and a stopping groove, after the driving tooth drives the short tooth, the disk-shaped boss area is clamped in the subsequent stopping groove for stopping, and the driving tooth continues to idle until returning to the initial position; another possible scheme is that the disk-shaped boss area of the driving wheel set is equal to and corresponding to the driving tooth area, each group of driving tooth groups on the driving wheel comprises driving teeth meshed with the driving teeth of the driving tooth area, and after the driving teeth drive the corresponding driving teeth, the driving wheel continuously idles until the driving wheel returns to the initial position.

Based on the third possible preferred embodiment, preferably, each of the transmission tooth groups on the transmission wheel includes transmission teeth with different heights that are matched with the plurality of driving teeth, a stopping groove is formed between each of the transmission tooth groups, after the transmission teeth are driven by the plurality of driving teeth, the disc-shaped boss area on the driving wheel is clamped in the stopping groove to stop, and the driving teeth continuously idle until the driving teeth return to the initial position.

The utility model provides a controlling means in to valve includes the memory, the memory is used for the record rotatory position information of intermittent gear drive subassembly, driving motor's drive number of times and/or to the position change of valve subassembly. Through the setting of memory, can in time save intermittent gear drive subassembly, driving motor and/or branch to the relevant information of valve module, controlling means can carry out accurate control to intermittent gear drive subassembly and driving motor according to these relevant information, guarantees the reliability and the stability of beverage machine work.

The diverter valve also comprises a resetting device, the resetting device drives the intermittent gear transmission assembly to automatically reset before each action under the control of the control device, and preferably, the resetting device can be a microswitch. Through the setting of resetting means, can guarantee before the action at every turn, intermittent gear drive assembly can get back to initial position, guarantees that the action is a complete action process at every turn to further guarantee the accurate angular positioning when the intermittent gear subassembly moves.

The driving wheel and the driving wheel of the intermittent gear transmission assembly are made of plastic materials and are integrally formed. Compared with a Malta cross transmission device in the prior art, the Malta cross transmission device is low in cost and simple in production process.

The branch valve assembly in the branch valve comprises a branch movable block and a branch main channel block which are concentrically arranged, wherein a plurality of through holes are formed in the branch main channel block, a plurality of conducting grooves are formed in the branch movable block, and at least two through holes in the branch main channel block are conducted through the conducting grooves in the branch movable block.

The branch main channel block is provided with a plurality of conducting grooves, the branch movable block and the conducting grooves on the branch main channel block are matched with each other, and at least two through holes on the branch main channel block are communicated. Specifically, the branch movable block on the branch valve component is connected with the driving wheel of the intermittent gear transmission component, and in the process that the driving motor drives the intermittent gear transmission component to drive, the branch movable block is driven by the driving wheel to rotate, so that the conduction groove on the branch movable block conducts different through holes on the branch main channel block, thereby realizing the switching action of different pipelines, realizing the possibility of multifunctional switching of the beverage machine, and meeting the requirements of the existing beverage machine on preparing different beverages and executing other functions such as cleaning.

The utility model provides a technical scheme has following beneficial effect:

1) the intermittent gear transmission assembly is used for transmitting in a gear meshing mode, and due to the fact that the contact area is large and the pressure is small when gears are meshed with each other, transmission is stable and reliable, noise is low in the action process, the intermittent gear transmission assembly is wear-resistant enough under the condition of high-frequency use, and the requirement of long-time working consumption of a beverage dispenser can be met;

2) the driving wheel and the driving wheel of the intermittent gear transmission assembly in the application are made of plastic materials and are integrally formed, and compared with a Maltese cross transmission device in the prior art, the intermittent gear transmission assembly not only reduces the cost, but also has a simpler production process.

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 will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of an overall structure of a first embodiment of a directional divider according to the present invention.

Fig. 2 is a partially enlarged schematic structural view of an intermittent gear transmission assembly according to a first embodiment of the directional dividing valve provided by the present invention.

Fig. 3(a) -3 (c) are schematic plane structure diagrams of a specific driving engagement process of the intermittent gear transmission assembly according to the first embodiment of the directional dividing valve provided by the present invention.

Fig. 4(a) -fig. 4(b) are schematic perspective views of a part of processes in the action process of the driving wheel and the driving wheel provided by a first embodiment of the diverting valve of the present invention.

Fig. 5 is an enlarged view of a partial structure of a diverter valve assembly and a water diversion seat assembly according to a first embodiment of the diverter valve provided by the present invention.

Fig. 6(a) -6 (f) are schematic plan structural views of the main branch channel block and the movable branch block of the branch valve assembly provided by the first embodiment of the branch valve provided by the present invention. Fig. 6(a) shows a relative positional relationship between the branch main channel block and the branch movable block in the initial ready state; fig. 6(b) is a relative positional relationship between the branch main passage block and the branch movable block in the pressure relief state; fig. 6(c) is a relative positional relationship of the branch main passage block and the branch movable block when preparing hot milk/hot milk froth; fig. 6(d) is a relative positional relationship of the branch main passage block and the branch movable block when hot water is supplied; FIG. 6(e) is a relative positional relationship between the branch main passage block and the branch movable block when the milk frother cleaning is performed; fig. 6(f) does not perform any function.

Fig. 7(a) -7 (b) are schematic perspective views of an intermittent gear transmission assembly provided in a second embodiment of a directional divider valve according to the present invention.

Fig. 8(a) -8 (b) are schematic plane structural diagrams illustrating the meshing action of the intermittent gear transmission assembly provided by the second embodiment of the directional dividing valve according to the present invention.

Fig. 9 is a schematic structural view of a driving wheel and a driving wheel of an intermittent gear transmission assembly provided in a third embodiment of the direction-dividing valve according to the present invention.

Fig. 10 is a schematic structural diagram of a driving wheel and a driving wheel of an intermittent gear transmission assembly according to a fourth embodiment of the direction-dividing valve provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Detailed description of the preferred embodiment

The embodiment provides a branch valve, including branch valve subassembly, branch valve transmission subassembly, driving motor and control driving motor's controlling means, driving motor drives under controlling means branch valve transmission subassembly transmission, and then drives branch valve subassembly location step by step, its characterized in that, branch valve transmission subassembly is intermittent gear drive subassembly, intermittent gear drive subassembly is in driving motor's drive, every transmission is at least once, and controlling means will control driving motor stops the drive.

The intermittent gear transmission assembly comprises a driving wheel and a driving wheel which are meshed with each other, the driving wheel is connected with the driving assembly, the driving wheel is connected with the branch valve assembly, the driving wheel drives the driving wheel to rotate for a certain angle every time the driving motor drives at least once, and the driving wheel drives the branch valve assembly to rotate when rotating, so that the switching action of the branch valve assembly is realized.

Specifically, the embodiment exemplarily provides a branch valve, and an exploded structural schematic diagram of the branch valve is shown in fig. 1, and the branch valve comprises a branch valve body 1, an intermittent gear transmission assembly 2 and a driving assembly 3 which are sequentially arranged on one side of the branch valve body 1, and a branch valve assembly 4 and a water diversion seat assembly 5 which are sequentially arranged on the other side of the branch valve body 1; the direction dividing valve body 1 is provided with a containing groove 11, and parts of the intermittent gear transmission assembly 2 and parts of the direction dividing valve assembly 4 are connected with each other in the containing groove 11; in addition, the directional valve in this embodiment further includes a control device (not shown in the figure) for controlling the driving assembly 3, and the driving assembly 3 can drive the intermittent gear transmission assembly 2 to transmit under the control of the control device, so as to drive the directional valve assembly 2 to be gradually positioned, thereby realizing the switching action of the directional valve assembly 2; the control device controls the driving assembly 3 to stop driving every time the driving assembly 3 in this embodiment is driven.

As shown in fig. 1 in particular, on one side of the diverter valve body 1, the driving assembly 3 includes a driving motor 31 and a reduction gearbox 32 integrated with the driving motor 31, an output shaft 33 is provided on the reduction gearbox 32, and the output shaft 33 can rotate under the driving of the driving motor 31 and the reduction gearbox 32.

The intermittent gear transmission assembly 2 comprises a driving wheel 21, a branch wheel fixing seat 22 and a transmission wheel 23 which are sequentially arranged, wherein the driving wheel 21 and the transmission wheel 23 are meshed with each other.

A plurality of driving tooth areas are arranged on part of the arc surface of the driving wheel 21, disc-shaped boss areas are arranged on the arc surface without the driving tooth areas, and one driving tooth area and one disc-shaped boss area form a driving group; a plurality of groups of transmission tooth groups are arranged on the transmission wheel, and each group of transmission tooth group is matched with the corresponding driving tooth group; every time the driving motor 31 is driven at least once, the driving teeth of the driving tooth area on the driving wheel 21 drive the transmission tooth group on the transmission wheel 23 to transmit.

Specifically, in the present embodiment, a preferable scheme is given, in which a partially enlarged view of the driving wheel 21 and the transmission wheel 23 is shown in fig. 2, a driving tooth area on the driving wheel 21 is one, a driving tooth in the driving tooth area is also one 212, and the disk-shaped boss area 213 surrounds the remaining non-driving tooth area.

More specifically, in the embodiment, the height of the disk-shaped boss region 213 on the driving wheel 21 is lower than the height of the driving teeth 212 in the driving tooth region, and correspondingly, a plurality of sets of driving teeth are provided on the driving wheel 23, each set of driving teeth includes a long tooth 231, a short tooth 230 engaged with the driving teeth 212, and a stop groove. In detail, as shown in fig. 2, the driving wheel 21 in this embodiment includes a base 210, a driving shaft 211 disposed at the bottom of the base 210, a driving tooth 212 disposed on the base 210, and a disk-shaped boss area 213 surrounding the driving tooth 212 and having a height lower than that of the driving tooth 212, wherein the driving shaft 211 at the bottom of the base 210 is connected to an output shaft 33 on the reduction box 32, and can be driven by the output shaft 33 to rotate so as to drive the driving wheel 21 to integrally rotate; the direction-switching wheel fixing seat 22 is provided with a through hole 220 for accommodating the driving wheel 21 and a supporting shaft 221 for mounting the driving wheel 23, the driving teeth 212 on the driving wheel 21 and the disc-shaped boss area 213 surrounding the driving teeth 212 pass through the through hole 220 to the other side to be meshed with the driving wheel 23, and the driving wheel 23 is sleeved on the supporting shaft 221 of the direction-switching wheel fixing seat 22; the driving wheel 23 is intermittently provided with short teeth 230 and long teeth 231, each short tooth 230 and one long tooth 231 form a group of driving tooth groups, and a space defined between every two adjacent long teeth and the short tooth in the middle of the two adjacent long teeth forms a stop groove, the tooth width of the short tooth 230 in the embodiment is half of the tooth width 231 of the long tooth, the present invention is not limited to this, that is, the tooth width ratio of the short tooth 230 and the long tooth 231 can be other ratios, and it is only required to ensure that the driving tooth 212 on the driving wheel 21 can be shifted to the short tooth 230 on the driving wheel 23 and the disc-shaped boss area 213 can be engaged with the stop groove; the transmission wheel 23 is meshed with the driving teeth 211 and the disc-shaped boss area 213 on the driving wheel 21 through the short teeth 230 and the long teeth 231, so that intermittent transmission is realized.

The plan view of the specific operation process of the intermittent gear transmission assembly 2 is specifically shown in fig. 3(a) -3 (c), and in the initial state, the relative position between the driving wheel 21 and the transmission wheel 23 is shown in fig. 3(a), and the driving tooth 212 on the driving wheel 21 is located between one short tooth 230a and the next long tooth 231b of the transmission wheel 23; after the driving motor 31 starts to drive, in a driving cycle, the output shaft 33 of the driving assembly 3 drives the driving teeth 212 of the driving wheel 21 to shift the short teeth 230a of the driving wheel 23 forward, as shown in fig. 3 (b); at this time, the disc-shaped land 213 starts to engage into the stop groove formed by the long tooth 231a and the next set of short and

long teeth

230b, 231b, and during the engagement of the disc-shaped land 213, the disc-shaped land 213 can drive the long tooth 231a to advance a certain distance until the front end portion of the disc-shaped land 213 completely enters into the stop groove, at which time the transmission wheel 23 is stopped, and during the stopping process, the driving tooth 212 on the driving wheel 21 continues to idle until it returns to the position of the initial state, and the idle process is specifically shown in fig. 3 (c).

In addition, to further illustrate the operation process of the driving wheel 21 and the transmission wheel 23 in the present embodiment, fig. 4(a) -4 (b) are schematic perspective views showing the engagement process of the driving wheel 21 and the transmission wheel 23, wherein fig. 4(a) shows a schematic perspective view of the initial positions of the driving wheel 21 and the transmission wheel 23, which corresponds to the schematic plan view of fig. 3(a), and fig. 4(b) shows a schematic view of the driving wheel 21 after driving one set of

transmission teeth

230a and 231a stop groove formed by the long teeth 231a and the next set of

transmission teeth

230b and 231b, which corresponds to the schematic plan view of fig. 3 (c).

In the intermittent gear transmission assembly 2 of the present embodiment, the driving wheel 21 and the driving wheel 23 are made of plastic materials, and both are integrally formed structures, which not only reduces the cost, but also simplifies the production process and improves the structural stability compared with the structural design of integrating the metal driving pin on the plastic base of the maltese cross transmission device in the prior art.

In the embodiment, as shown in fig. 1, the branch valve assembly 4 and the water dividing seat assembly 5 arranged on the other side of the branch valve body 1 are connected with the intermittent gear transmission assembly 2 through the accommodating groove 11 on the branch valve body 1; specifically, the part of the driving wheel 23 of the intermittent gear transmission assembly 2 extends into the accommodating groove 11 of the branch valve body 1, and two fixing lugs 232 are arranged on the part of the driving wheel 23 extending into the accommodating groove 11 and are used for being matched and connected with the branch valve assembly 4.

Specifically, fig. 5 shows a partial structure enlarged view of the branch valve assembly 4 and the water diversion seat assembly 5 located on the other side of the branch valve body 1, the branch valve assembly 4 located on the other side of the branch valve body 1 includes a branch block base 41, a branch movable block 42, a branch main channel block 43 and an elastic sealing connecting piece 44, which are sequentially arranged, the branch block base 41, the branch movable block 42 and the branch main channel block 43 are sequentially placed in the accommodating groove 11 of the branch valve body 1, the branch main channel block 43 and the branch movable block 42 of the branch valve assembly are concentrically arranged, the branch main channel block 43 is provided with a plurality of through holes, the branch movable block 42 is provided with a plurality of conducting grooves, and the conducting grooves on the branch movable block 42 conduct at least two through holes on the branch main channel block 43; an elastic sealing connecting piece 44 is arranged on the branch main channel block 43, a through hole corresponding to the branch main channel block 43 is correspondingly arranged on the elastic sealing connecting piece 44, and the branch main channel block 43 is in sealing connection with the water diversion seat assembly 5 through the elastic sealing connecting piece 44.

As a preferable technical solution, in this embodiment, the branch block base 41 is a ceramic ring, a positioning protrusion 410 is disposed on the periphery of the ceramic ring, the positioning protrusion 410 is matched with the shape of the groove of the accommodation groove 11 of the branch valve body 1, so that positioning and installation are facilitated during installation, and the branch movable block is disposed on the ceramic ring; the branch movable block 42 is a circular ceramic branch movable block, one surface of the branch movable block facing the branch main channel block 43 is provided with an arc-shaped conduction groove, the other surface of the branch movable block is provided with two grooves (not shown in the figure) corresponding to the two fixing lugs 232 on the driving wheel 23, and the two fixing lugs 232 on the driving wheel 23 are inserted into the two grooves, so that the purpose of driving the branch movable block 42 on the branch valve component 4 to rotate when the driving wheel 23 rotates is achieved; the branch main channel block 43 is a circular ceramic branch main channel block, and is specifically arranged on the branch movable block 42 as shown in fig. 6, six through holes are uniformly arranged on the branch main channel block 43 in an annular shape, an arc-shaped conduction groove L1 on the branch movable block 42 can realize the conduction of any two adjacent through holes on the branch main channel block 43, in this embodiment, the arrangement of the six through holes on the branch main channel block 43 sequentially comprises a steam pressure relief opening H1, a steam inlet H2, a steam outlet H3, a milk foam device cleaning outlet H4, a hot water inlet H5 and a hot water outlet H6 in a counterclockwise sequence; correspondingly, in this embodiment, six through holes are annularly formed in the elastic sealing connection 44, and the branch main channel block 43 is connected with the water diversion seat assembly 5 in a sealing manner through the elastic sealing connection piece 44.

The water diversion seat assembly 5, as shown in fig. 5, includes a plurality of circulation pipes, which correspond to the plurality of through holes on the branch main channel block 43, respectively, and when connected, one ends of the plurality of circulation pipes are correspondingly connected to the plurality of through holes on the branch main channel block 43, respectively, and the other ends are connected to a function unit in a beverage machine, such as a coffee machine, such as a steam generator, a hot water generator, a milk foam device, and other functional outlet nozzles; specifically, the water diversion seat assembly 5 in this embodiment is provided with six circulation pipes, one end of each of the six circulation pipes is in conduction connection with six through holes on the branch main channel block, and the other end of each of the six circulation pipes is in conduction connection with a functional unit in the coffee maker, in this embodiment, the six circulation pipes provided on the water diversion seat are respectively a steam pressure relief opening pipe M1, a steam inlet pipe M2, a steam outlet pipe M3, a milk foam cleaning outlet pipe M4, a hot water inlet pipe M5 and a hot water outlet pipe M6, one end of each of the six circulation pipes is respectively connected to the six through holes on the branch main channel block, and the other end of each of the six circulation pipes is respectively connected to a steam pressure relief nozzle, a steam generator, a steam outlet nozzle, a milk foam device, a hot water generator and a hot water outlet nozzle.

The basic idea adopted by the connection relationship of the diverter valve assembly 4 and the water-dividing seat assembly 5 in the present embodiment is that, the conduction to the plurality of through holes on the main passage block 43 is achieved by the conduction groove on the movable block 42, since the through holes of the branch main passage block 43 are connected to the respective flow lines of the water distribution base assembly 5, the plurality of flow channels corresponding to the plurality of through holes communicated with the main channel block 43 are also communicated with each other, it can be understood that, based on the above basic idea, the conduction groove on the branch moving block 42 can achieve the purpose of conducting any number of through holes on the branch main channel block 43 by changing the length, shape, width, etc., therefore, the communication of any number of circulation pipelines on the water distribution seat assembly 5 is realized, and the specific number of the circulation pipelines which are communicated depends on the actual requirement.

The specific working process of the branch valve assembly 4 and the water diversion seat assembly 5 provided by this embodiment is as shown in fig. 6(a) to 6(f), when in an initial preparation state, as shown in fig. 6(a), the arc-shaped conduction groove L1 on the branch movable block 42 in the branch valve assembly 4 is communicated with two through holes, namely the steam pressure relief port H1 and the hot water outlet H6, on the main channel block 43, the steam pressure relief pipeline M1 on the water diversion seat assembly 5 is communicated with the hot water outlet pipeline M6 at this time, so that the steam pressure relief nozzle and the hot water outlet nozzle connected at two ends of the two pipelines are communicated and connected, at this time, since both the two nozzles are communicated with the atmosphere, that is, at this time, the communicated pipeline does not have any function; after the steam generator starts to work, if a pressure relief action is required, as shown in fig. 6(b), the driving motor 31 is driven once to drive the long driving tooth 212 and the disc-shaped boss area 213 on the driving wheel 21 to drive the short tooth 230 and the long tooth 231 on the driving wheel 23 to rotate, so as to drive the movable block 42 to rotate counterclockwise by 60 °, the arc-shaped conduction groove L1 on the movable block 42 is switched to the next group of adjacent through holes, i.e., two through holes, namely a steam relief opening H1 and a steam inlet H2, at this time, the steam relief opening pipeline M1 and the steam inlet pipeline M2 on the water diversion seat assembly 5 are conducted, so that steam in the steam generator connected with one end of the steam inlet pipeline M2 is released into the atmosphere through the steam relief nozzle connected with one end of the steam relief pipeline M1, and a pressure relief function is realized; when the preparation of the hot milk and/or the hot milk foam is to be realized, as shown in fig. 6(c), the driving motor 31 is driven twice from the initial state, the branch movable block rotates 120 ° counterclockwise, the arc-shaped conduction groove L1 on the branch movable block 42 conducts the steam inlet H2 and the steam outlet H3 on the branch main channel block 43, and the steam inlet pipeline M2 and the steam outlet pipeline M3 on the water diversion seat assembly 5 are conducted, so that the steam in the steam generator at one end of the steam inlet pipeline M2 is sent to the steam outlet nozzle at one end of the steam outlet pipeline M3, and the milk and/or the milk foam is heated by the steam; by analogy, if hot water is to be delivered, as shown in fig. 6(d), the driving motor 31 is driven five times, the branch movable block 42 rotates counterclockwise by 300 ° from the initial ready position, the hot water inlet H5 on the branch main channel block 43 is communicated with the hot water outlet H6, and at this time, the hot water inlet pipe M5 on the water dividing seat assembly 5 is communicated with the hot water outlet pipe M6, so that the hot water generator connected to one end of the hot water inlet pipe M5 is communicated with the hot water outlet nozzle connected to one end of the hot water outlet pipe M6, and hot water in the hot water generator is output from the hot water outlet nozzle; when a milk foam device cleaning action is performed, as shown in fig. 6(e), the conduction groove L1 on the branch moving block 42 conducts the milk foam cleaning outlet H4 and the hot water inlet H5 on the branch main channel block 43, at this time, the milk foam cleaning pipeline M4 and the hot water inlet pipeline M5 on the water diversion seat assembly 5 are conducted, so that the hot water in the hot water generator connected with one end of the hot water inlet pipeline M5 is conveyed to the milk foam device connected with one end of the milk foam cleaning outlet pipeline M4, and the milk foam device is flushed; through the cooperation of branch valve and the water diversion seat in this embodiment, the intercommunication of the different function pipelines in six pipelines is switched, realizes hot milk, hot milk foam, hot water, milk foam abluent function.

In addition, the diverter valve in this embodiment further includes a reset device, which drives the intermittent gear assembly 4 to automatically reset before each driving under the control of the control device, preferably, as shown in fig. 1, the reset device selected in this embodiment is a micro switch 24, which includes two components 240 and 241, and the two components are respectively mounted on the diverter wheel fixing seat 22 and the diverter valve body 1, and are used for ensuring that the driving wheel 21 and the driving wheel 23 in the intermittent gear assembly 4 return to the meshing position of the initial state before each driving.

It will be understood that the above-mentioned driving motor 31 can also realize the reverse rotation function under the driving of the control device, i.e. for example, when the operation of delivering hot water is performed, it can rotate 60 ° clockwise from the initial position. The direction switch valve assembly 4 may be sequentially switched from the initial position to the function by being sequentially rotated by the driving motor 31, or may be directly switched from the initial position to a desired function position by being driven by the driving motor 31a plurality of times.

It can be understood that, since six equally-divided through holes are provided on the branch main channel block 43 in the present embodiment, the conduction groove on the branch movable block 42 is required to be driven by the intermittent gear transmission assembly 2, and the requirement of switching to the movable block by 60 ° can be realized every time the conduction groove is executed; it should be noted that the branch main channel block in this embodiment may further be provided with through holes in other arrangement forms, the guiding groove in the branch movable block may also be provided with a plurality of guiding grooves according to the arrangement of the through holes in the branch main channel block, and the guiding groove may further achieve the purpose of guiding through the at least two through holes in the branch main channel block by changing the length, shape, width and other forms of the guiding groove, meanwhile, due to the change of the arrangement form of the through holes and the guiding groove, the angle required to rotate every time the intermittent gear is driven also changes, in this embodiment, at least 60 ° needs to be switched, in other possible embodiments, other arbitrary angles may also be switched, and the implementation may be achieved only by adjusting the degree of density of the gear.

In addition, the driving tooth area on the driving wheel 21 and the driving tooth 212 in the area are only one in this embodiment, the present invention is not limited to this, that is, the angle needs to be switched can be determined according to the actual requirement, the driving tooth area on the driving wheel 21 in the present invention can be provided with a plurality of driving teeth 212, the plurality of driving teeth are arranged continuously, and the disc-shaped boss area surrounds the remaining non-driving tooth area for a circle from the starting and ending two ends of the plurality of driving teeth; correspondingly, each set of drive teeth on the drive wheel 23 includes a plurality of short teeth 230 corresponding to the plurality of drive teeth 212.

Detailed description of the invention

The present embodiment is different from the first embodiment in that the structure and transmission manner of the driving wheel and the transmission wheel in the intermittent gear transmission assembly in the present embodiment are different.

In this embodiment, the height of the disk-shaped boss region on the driving wheel is equal to the height of the driving teeth of the driving tooth region, and correspondingly, each group of the driving teeth on the driving wheel includes the driving teeth engaged with the driving teeth of the driving tooth region, and after the driving teeth on the driving wheel drive the corresponding group of the driving teeth, the driving teeth continuously idle until the driving teeth return to the initial position.

Specifically, as shown in fig. 7(a) and 7(b), the intermittent gear transmission assembly in the present embodiment includes a driving wheel 21 ', a diverting wheel fixing base 22 ' and a transmission wheel 23 ', wherein the diverting wheel fixing seat 22' is the same as the diverting wheel fixing seat 22 in the first embodiment, not described again, the driving wheel 21 ' includes a base 210 ', a driving shaft 211 ' provided at the bottom of the base 210 ', and a driving tooth region provided on the base 210 ', the drive tooth zone comprises two drive teeth 212 ' a, 212 ' b, around which a disc-shaped land zone 213 ' is arranged in a circle having the same height as the two drive teeth, the driving shaft 211 'at the bottom of the base 210' is connected with the output shaft on the reduction box in the driving assembly, and can be driven by the output shaft to rotate so as to drive the driving wheel 21' to integrally rotate.

In this embodiment, the driving wheel 23 'is provided with driving teeth 230' with the same shape and evenly distributed, each two driving teeth 230 'on the driving wheel 23' are a group of driving teeth, the two driving teeth 212 'a and 212' b on the driving wheel 21 'can continuously shift the two driving teeth on the driving wheel 23', after the shifting is completed, because the driving wheel 23 'has damping, the inertial rotation of the driving wheel can be automatically stopped under a non-driving state, at this time, the two driving teeth 212' a and 212 'b continuously idle until the driving wheel returns to the initial position, and in the next driving process, the next group of driving teeth on the driving wheel 23' is continuously shifted.

To further explain the transmission process of the driving wheel 21 ' and the transmission wheel 23 ' provided in the present embodiment, fig. 8(a) shows a schematic diagram of the engagement state of the driving wheel 21 ' and the transmission wheel 23 ' in the initial position, and fig. 8(b) shows a schematic diagram of the state that the driving tooth 212 ' a on the driving wheel 21 ' drives one transmission tooth and the next driving tooth 212 ' b is ready to drive the next transmission tooth.

It can be understood that two driving teeth 212 'in this embodiment can continuously shift two adjacent driving teeth 230' on the driving wheel 23 ', and also can shift two spaced driving teeth 230' on the driving wheel 23 'by adjusting the gap between two adjacent driving teeth 212' according to the requirement, specifically, the angle to be switched to each time by the directional valve assembly is set.

It can be understood that, besides adjusting the angle switched by shifting each time by adjusting the gap between the driving teeth 212 ', the switching angle can be adjusted by adjusting the density of the driving teeth 230' on the driving wheel 23 ', that is, the driving teeth 230' on the driving wheel 23 'in this embodiment are uniformly arranged and distributed over one circle of the driving wheel, in practical design, the arrangement gap of the driving teeth distributed over one circle on the driving wheel 23' can be adjusted according to the angle that needs to be rotated, and the exemplary description is given in the fourth embodiment, but the present invention is not limited thereto.

It will also be appreciated that the number of drive teeth 212 ' on the drive wheel 21 ' is not limited to the two drive teeth 212 ' a, 212 ' b provided in this embodiment, and the number of drive teeth 212 ' may be increased or decreased according to the actual angle required.

The driving teeth on the driving wheel 23 ' may be arranged intermittently in groups, a plurality of driving teeth are a group, the intervals between the groups are adjustable, the gaps between the groups form a stop groove, correspondingly, the number of the driving teeth on the driving wheel 21 ' corresponds to the number of the driving teeth on each group on the driving wheel 23 ', and an exemplary embodiment thereof will not be described in detail.

Detailed description of the preferred embodiment

The present embodiments also provide another exemplary version of an intermittent gearing assembly.

In this embodiment, the driving gear area on the driving wheel is a plurality of driving gear areas, the plurality of driving gear areas are arranged at intervals, and the disc-shaped boss area is discontinuously arranged in an interval between the two driving gear areas.

Specifically, as shown in fig. 9, it is different from the driving wheel 21 in the intermittent gear transmission assembly in the first embodiment, and the driving wheel is the same, and two driving tooth regions are arranged on the driving wheel in this embodiment, each driving tooth region is provided with one driving tooth, and two intermittent disk-shaped boss regions are arranged between the two driving tooth regions; in detail, the driving wheel 21 "in this embodiment is provided with two driving teeth 212" a and 212 "b, the two driving teeth 212" a and 212 "b are oppositely arranged on the base of the driving wheel 21" at an included angle of 180 °, and the two disc-shaped boss areas 213 "a and 213" b are intermittently arranged in the interval between the two driving teeth; correspondingly, the driving process is that the driving wheel 21 'can drive the driving wheel 23' to shift a group of driving teeth forward every time the driving wheel rotates 180 degrees.

Detailed description of the invention

The present embodiment is a supplementary exemplary description of the second specific embodiment, specifically as shown in fig. 10, the number of teeth on the transmission wheel in the present embodiment is 16, and the number of teeth in the second specific embodiment is 12, that is, an angle by which one tooth is shifted is different from an angle by which one tooth is shifted in the second specific embodiment, in this embodiment, that is, the angle of each transmission rotation can be adjusted by adjusting the density of the gear.

In addition to the above exemplary embodiments, the intermittent gearing assembly to be protected according to the present invention comprises another possible variant, in particular: a plurality of driving teeth are arranged on a part of arc surface of the driving wheel in a driving tooth area, and the heights of the plurality of driving teeth are unequal; correspondingly, in the transmission tooth groups on the transmission wheels, each transmission tooth group comprises transmission teeth and stop grooves, wherein the transmission teeth are matched with the plurality of driving teeth and have different heights.

It is right above the utility model provides a to the branch valve carry out detailed introduction, it is right to have used specific individual example herein the utility model discloses a structure and theory of operation have been expounded, and the explanation of above embodiment is only used for helping to understand the utility model discloses a method and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. A branch valve comprises a branch valve component, a branch valve transmission component, a driving motor and a control device for controlling the driving motor, wherein the driving motor drives the branch valve transmission component to transmit under the control of the control device so as to drive the branch valve component to be gradually positioned.

2. The diverter valve according to claim 1, wherein the intermittent gear transmission assembly comprises a driving wheel and a transmission wheel which are meshed with each other, the driving wheel is connected with a driving motor, the transmission wheel is connected with the diverter valve assembly, the driving wheel drives the transmission wheel to rotate for a certain angle every time the driving motor is driven at least once under the control of the control device, and the transmission wheel drives the diverter valve assembly to rotate when rotating, so that the switching action is completed.

3. The diverter valve according to claim 2 wherein a plurality of drive tooth regions are provided on a part of the arc surface of the drive wheel, a disk-shaped boss region is provided on the arc surface where no drive tooth region is provided, and one drive tooth region and one disk-shaped boss region are a drive group; a plurality of groups of transmission tooth groups are arranged on the transmission wheel, and each group of transmission tooth group is matched with the driving group; when the driving motor is driven at least once, the driving teeth of the driving tooth area on the driving wheel drive the transmission tooth group on the driving wheel to rotate.

4. The diverter valve according to claim 3 wherein said drive wheel has one drive tooth zone and one or more drive teeth in said drive tooth zone, said discoid land zone surrounding the remaining non-drive tooth zone area.

5. The diverter valve according to claim 3 wherein said drive wheel has a plurality of drive tooth zones spaced apart, said discoid land zones being intermittently disposed in the spaces between said drive tooth zones.

6. The diverter valve according to claim 3 wherein said drive teeth of said drive tooth zone are plural and the heights of the plural drive teeth are not equal.

7. Diverter valve according to claim 4 or 5, characterized in that the height of the discoid land area of the drive group is lower than the height of the drive teeth of the drive tooth area, corresponding to the groups of drive teeth on the drive wheel, each group of groups of drive teeth comprising a long tooth, a short tooth meshing with the drive tooth and a stop recess.

8. The diverter valve according to claim 4 or 5 wherein the disk-shaped land areas of said drive groups are of equal height to the drive teeth of said drive tooth areas, and wherein each of said sets of drive teeth on said drive wheel comprises drive teeth which mesh with the drive teeth of said drive tooth areas.

9. The diverter valve according to claim 6 wherein each of the sets of drive teeth on the drive wheel includes drive teeth of unequal heights matching the plurality of drive teeth and a detent recess.

10. The diverter valve according to any one of claims 1 to 6 and 9, wherein the control device in the diverter valve comprises a memory for recording the rotation position information of the intermittent gear transmission assembly, the driving times of the driving motor and/or the position change of the diverter valve assembly.

11. The diverter valve according to claim 10, wherein the diverter valve further comprises a reset device which, under the control of the control device, drives the intermittent gear transmission assembly to automatically reset before each action.

12. The diverter valve according to any one of claims 2 to 6 wherein the drive wheel and the drive wheel of the intermittent gear drive assembly are both made of plastic and are integrally formed.

13. The directional valve according to any one of claims 1 to 6, wherein the directional valve assembly comprises a directional movable block and a directional main channel block which are concentrically arranged, a plurality of through holes are arranged on the directional main channel block, a plurality of guide grooves are arranged on the directional movable block, and the guide grooves guide at least two through holes on the directional main channel block.

14. The diverter valve according to claim 13, wherein a plurality of conducting grooves are formed in the main diverter channel block, and the conducting grooves in the movable diverter block and the main diverter channel block are matched with each other to conduct at least two through holes in the main diverter channel block.