CN213332469U

CN213332469U - Rotary valve assembly for food processing machine

Info

Publication number: CN213332469U
Application number: CN202021953949.0U
Authority: CN
Inventors: 王旭宁; 耿晓航; 王毓吉; 王军伟
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-01
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a food processing machine is with changeing valve module, including driving piece, valve body and the movable valve block of setting in the valve body, the driving piece can drive the movable valve block and rotate so that the valve body forms the route, still includes through movable valve block drive pivoted switching-over clutch assembly to and with switching-over clutch assembly fixed connection's mud pipe, switching-over clutch assembly has the first state with movable valve block joint cohesion, and with the second state that the relative rotation of movable valve block slided. When the reversing clutch is in the first state, the reversing clutch is matched with the movable valve plate to adjust the position of the slurry discharge pipe, when the reversing clutch is in the second state, the reversing clutch can be stopped, the movable valve plate continues to rotate relative to the reversing clutch, the position of the slurry discharge pipe is kept fixed, and the driving piece drives the movable valve plate to rotate to realize the switching of the on-off state of the rotary valve assembly. The utility model discloses can realize single driving piece respectively to the all-round angular adjustment of movable valve block to and the single power dual output function of mud pipe position adjustment, effective reduce cost.

Description

Rotary valve assembly for food processing machine

Technical Field

The utility model relates to a food processing technology field, concretely relates to rotary valve subassembly for food processing machine.

Background

At present, food processors have been increasingly used, which mainly cut and crush food by a processing tool disposed at the bottom of an inner cavity of the food processor, so as to achieve a desired crushing degree of the food, and facilitate the food consumption of users.

Along with the development of the times, the progress of science and technology, people also constantly promote to the demand of intelligence life furniture, and food preparation machine is as the food material cooking device commonly used in kitchen, and the demand of alignment intellectuality is more showing. In order to meet diversified use requirements of users, some food processors in the prior art have the functions of automatic water feeding, cleaning, slurry discharging and the like, but the intelligent food processors have the following problems:

when the whole machine works in different time periods of water inlet, crushing, slurry discharge, cleaning, residual water discharge and the like, the sealing and disconnection states of the crushing cavity are different, for example, when the food processor is in the states of water inlet, crushing and cleaning, the crushing cavity is required to be in the sealing state, and when the food processor is in the states of slurry discharge and residual water discharge, the crushing cavity is required to be in the disconnection state, which cannot be realized by the conventional food processor;

if the position of the slurry outlet nozzle and the valve opening and closing state of the existing food processor need to be adjusted, two sets of independent transmission structures need to be arranged respectively to realize the adjustment, so that the product cost is increased. And the sealing reliability of the sealing cavity and the reversing rotary valve of the food processor is unstable, which easily causes water leakage and leads to abnormal conditions such as complete machine failure and the like.

Disclosure of Invention

In order to solve one or more technical problem among the prior art, or at least provide a profitable selection, the utility model provides a food processing machine is with changeing valve module simplifies food processing machine's thick liquid structure of arranging, effectively realizes the control and the thick liquid mouth position adjustment of row to the seal chamber switching.

The utility model discloses a food processing machine is with changeing valve module, including the driving piece, valve body and the movable valve block of setting in the valve body, the driving piece can drive the movable valve block and rotate so that the valve body forms the route, still include through movable valve block drive pivoted switching-over clutch assembly, and with switching-over clutch assembly fixed connection's thick liquid pipe of arranging, switching-over clutch assembly has the first state with movable valve block joint cohesion, and with the second state that slides of movable valve block relative rotation, the thick liquid pipe of arranging can rotate along with switching-over clutch assembly, the turned angle scope is 25 ~ 180.

The movable valve plate can be driven by the driving piece to move to switch the communicated or closed state of the valve body, the reversing clutch assembly is linked with the movable valve plate and can rotate along with the rotation of the movable valve plate or rotate relative to the movable valve plate, the slurry discharge pipe is fixedly connected with the reversing clutch, when the reversing clutch is in a first state, the reversing clutch is matched with the movable valve plate to adjust the position of the slurry discharge pipe, when the reversing clutch is in a second state, the reversing clutch can be stopped, the movable valve plate continues to rotate relative to the reversing clutch, the position of the slurry discharge pipe is kept fixed, and the driving piece drives the movable valve plate to rotate to realize the switching of the on-off state of the rotary valve assembly. The utility model discloses a moving valve block realizes the all-round angular adjustment of moving valve block respectively with the cooperation of switching-over clutch assembly that the single driving piece to and the single power dual output function of row's thick liquid pipe position adjustment, effective reduce cost.

As an optimal technical scheme of the rotary valve component for the food processing machine, a rotation limiting structure is arranged between the reversing clutch component and the valve body, and the rotation limiting structure can interfere to enable the reversing clutch component to be switched from a first state to a second state.

The rotation limiting structure is used for limiting the reversing clutch assembly, the reversing clutch assembly follow-up valve block rotates in the process, the rotation limiting structure is interfered at a preset position, the reversing clutch assembly cannot continue to rotate, the first state is switched to the second state, the movable valve block continues to rotate under the action of the driving piece, the position of a slurry discharge pipe fixedly connected with the reversing clutch assembly is adjusted, and the on-off state of the rotary valve assembly is switched on the premise that the position of the slurry discharge pipe is not influenced.

As a preferred technical scheme of the rotary valve component for the food processing machine, the axial end face of the movable valve plate and the axial end face of the reversing clutch component are provided with waveform tooth structures which can be meshed with each other, and the reversing clutch component further comprises a reset piece which keeps the movable valve plate and the reversing clutch component meshed with each other.

In the relative rotating and sliding process of the movable valve plate and the reversing clutch assembly, the tooth tips of the wavy teeth can form axial pressure on the reversing clutch assembly to enable the reversing clutch assembly to move axially downwards, and further the reversing clutch assembly is reset to be meshed with the movable valve plate through the reset piece, so that the meshing and separating switching of the movable valve plate and the reversing clutch assembly in the rotating process is realized, the structure is simple, and the operation is reliable.

As a food processing machine is with preferred technical scheme of changeing valve subassembly, the piece that resets is the spring of cover establishing in switching-over clutch assembly periphery, and the spring both ends respectively with switching-over clutch assembly and valve body butt.

Adopt the spring as the piece that resets, the reliability is better, and the spring both ends when with switching-over clutch assembly and valve body butt respectively, the cover is established and can be formed the radial support to switching-over clutch assembly in the spring of switching-over clutch assembly periphery, avoids switching-over clutch assembly to rock, plays the guide effect to switching-over clutch assembly.

As a preferred technical scheme of the rotary valve component for the food processing machine, a gasket is arranged between the end part of the spring and the reversing clutch component.

The gasket sets up between spring tip and step shaft step terminal surface, can prevent to lead to the spring to twist reverse when the switching-over separation and reunion rotates, can play the guard action to the spring, ensures the reliability of long-term use in-process spring.

As a preferred technical scheme of the rotary valve component for the food processing machine, the axial moving distance of the reversing clutch component switched from the first state to the second state is L1, a sealing section with the length of L2 is arranged between the slurry discharge pipe and the movable valve plate, and L1 is less than L2.

The sealing section length L2 between the slurry discharge pipe and the movable valve plate is larger than the axial movement distance L1 of the reversing clutch assembly switched from the first state to the second state, so that the problem that when the slurry discharge pipe moves axially along with the reversing clutch assembly, the slurry discharge pipe is separated from the movable valve plate due to overlarge displacement, and the leakage of the valve body is caused due to sealing failure can be avoided. The sealing performance of the slurry discharge pipe and the movable valve plate can be ensured by the enough sealing section length in the long-term use process.

As a food processing machine is with revolving valve subassembly's preferred technical scheme, the rotatory axle center of movable valve piece sets up along the valve body axial, and the driving piece sets up at valve body axial terminal surface.

The driving piece is connected with the movable valve plate through the output shaft in a direct transmission mode, the transmission structure can be relatively saved, the transmission efficiency is effectively improved, the energy loss is reduced, and the driving device is simple in structure, lower in failure rate and more reliable in long-term use due to the fact that the number of parts used for transmission is small.

As a preferred technical scheme of a rotary valve subassembly for food processing machine, be equipped with signal output spare on the movable valve piece, valve body axial terminal surface still is equipped with the control panel of being connected with the driving piece electricity, is equipped with the detection device that can detect the output signal of signal output spare on the control panel to acquire the operating position information of movable valve piece.

The signal output piece can move along with the rotation of the movable valve plate, the detection device on the control panel can detect a signal output by the signal output piece, the working position information of the movable valve plate is obtained through the working position of the signal output piece, the movable valve plate is driven by the driving piece, and the switching of the on-off state of the rotary valve assembly and the adjustment of the position of the slurry discharge pipe are achieved. Through the cooperation of signal output spare and detection device, can judge the operating condition of rotary valve subassembly high-efficiently, fast, realize accurate control.

As a food processing machine is with change valve module's preferred technical scheme, the valve body inner wall is equipped with first sealing member, and the movable valve piece sets up inside first sealing member.

First sealing member acts on between movable valve block and the valve body, and movable valve block can form interference fit to first sealing member when installing at the valve body, avoids the thick liquid to spill, improves sealed effect, and movable valve block adopts low-cost plastics material, and first sealing member is the silica gel material, and low-cost movable valve block and silica gel cooperation replace high-cost valve block subassembly, and effective reduce cost is about 60%.

As a preferred technical scheme of a rotary valve component for a food processing machine, a pulp discharge pipe is sleeved on the periphery of a movable valve plate, and at least 2 annular sealing ribs are arranged between the pulp discharge pipe and the movable valve plate.

The double-sealing structure can improve the sealing effect between the movable valve plate and the slurry discharge pipe, and even if one of the 2 annular sealing ribs is deformed and fails due to the imbalance of internal or external pressure of the rotary valve assembly, the sealing can be ensured through the other annular sealing rib, so that the long-term sealing effect between the movable valve plate and the slurry discharge pipe is ensured.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a cross-sectional view of a rotary valve assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the rotary valve assembly according to an embodiment of the present invention, wherein the second body and the third body are hidden.

Fig. 3 is a schematic structural diagram of a reversing clutch assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a third main body according to an embodiment of the present invention.

Description of reference numerals:

1-a driving member;

2-a valve body;

21-water inlet pipe;

22-a first body;

23-a second body;

24-a third body;

241-a limiting groove;

242-annular ribs;

3-moving the valve plate;

31-a signal output;

4-a reversing clutch assembly;

41-a limiting block;

42-a ring-shaped table;

43-a reset member;

44-a gasket;

5-a slurry discharge pipe;

51-annular sealing ribs;

6-wave tooth structure;

7-a control panel;

71-a detection device;

8-first seal.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The specific scheme is as follows:

example 1

As shown in fig. 1 and 2, the utility model discloses a rotary valve component for food processor, which is applied to a food processor with automatic water supply and automatic water drainage. The automatic water supply is realized through a water pump assembly, for example, a water tank is arranged on the food processor, the water pump is arranged in the water tank or on a water tank pipeline, and water in the water tank is driven to enter a processing cavity of the food processor by starting the water pump for preparing slurry; the water tank is arranged at a high position relative to the processing cavity, and water in the water tank enters the processing cavity under the influence of gravity by opening a water valve of the water tank.

The rotary valve component is arranged inside a main machine of the food processor and comprises a driving part 1, a valve body 2 and a movable valve plate 3 arranged in the valve body 2, and the output end of the driving part 1 is fixedly connected with the movable valve plate 3 so as to drive the movable valve plate 3 to rotate. The movable valve block 3 is of a cylindrical structure, the valve body 2 is also sleeved outside the movable valve block 3 in a cylindrical structure manner, a water inlet pipe 21 is arranged in the radial direction of the valve body 2, through holes are formed in the radial direction of the movable valve block 3 at the same radial height, the movable valve block 3 can rotate along the axis of the valve body 2 under the driving action of the driving piece 1 so that the through holes in the movable valve block 3 are staggered with the water inlet pipe 21 of the valve body 2, and therefore the rotary valve assembly is in a disconnected state. It can be understood that, considering the factors of the discharge flow and the valve structure, the aperture of the through hole on the movable valve plate 3 is smaller than the inner diameter of the water inlet pipe 21 of the valve body 2, so that the pressurizing effect can be formed during the discharge of the slurry, the flow rate of the slurry is improved, and the slurry receiving time of a user is shortened.

The rotary valve component also comprises a reversing clutch component 4 which is driven to rotate by the movable valve plate 3 and a pulp discharge pipe 5 which is fixedly connected with the reversing clutch component 4, the reversing clutch component 4 and the movable valve plate 3 are coaxially arranged, the reversing clutch component 4 can be driven to rotate in the process that the movable valve plate 3 rotates along with the driving piece 1, the pulp discharge pipe 5 rotates along with the reversing clutch component 4, and when the pulp discharge pipe is at the middle position, the rotation angle is 90 degrees. Namely, the position of the slurry discharge pipe 5 can be adjusted while the opening and closing of the rotary valve component are adjusted through the driving piece 1, so that the slurry discharge pipe is suitable for various different use requirements. Furthermore, in order to enable the rotary valve assembly to have higher universality, the reversing clutch assembly 4 has a first state and a second state, when the reversing clutch assembly 4 is in the first state, the reversing clutch assembly is clamped and clasped with the movable valve plate 3, and when the driving piece 1 drives the movable valve plate 3 to rotate, the reversing clutch assembly 4 can be driven to rotate at the same time; and when the reversing clutch assembly 4 is in the second state, the reversing clutch assembly and the movable valve plate 3 can rotate and slide relatively, when the driving piece 1 drives the movable valve plate 3 to rotate, the movable valve plate 3 and the reversing clutch assembly 4 can rotate relatively, namely, when the movable valve plate 3 rotates, the reversing clutch assembly 4 is in a static state, and the position of the grout discharging pipe 5 is kept fixed.

It can be understood that in practical application, the rotation range of the pulp discharge pipe 5 along with the reversing clutch assembly is set to be 25-180 degrees according to product requirements, and the pulp discharge pipe 5 has a larger rotation range, so that the food processing machine is allowed to have more diversified structural designs.

In this embodiment, the driving member 1 is a motor assembly capable of rotating in forward and reverse directions, and the reciprocating adjustment of the slurry discharge position of the slurry discharge pipe 5 can be realized in the forward and reverse rotation processes of the motor assembly.

Through this embodiment, can make the movable valve block 3 of commentaries on classics valve unit and arrange thick liquid pipe 5 according to the work of different periods of time, realize changeing the valve unit and come the two-way rotation of drive movable valve block 3 and arrange thick liquid pipe 5 simultaneously with single driving piece to realize the separation and reunion of movable valve block 3 and arrange thick liquid pipe 5 with the separation and reunion structure in different periods of time, show reduce cost. In addition, the structure of the rotary valve assembly is simplified, the matching structures at all positions are correspondingly simplified, the transmission structure is fewer, and the operation is more reliable.

In some embodiments, as shown in fig. 3 and 4, in order to realize the single-power dual-output structure of the rotary valve assembly, a rotation limiting structure is arranged between the reversing clutch assembly 4 and the valve body 2, and the rotation limiting structure can interfere to enable the reversing clutch assembly 4 to be switched from the first state to the second state. Specifically, the valve body 2 comprises a first main body 22, a second main body 23 and a third main body 24, the first main body 22 is used for accommodating the movable valve plate 3, the second main body 23 is matched with the first main body 22 to axially limit the movable valve plate 3, and the third main body 24 is matched with the second main body 23 to axially limit the reversing clutch assembly 4. The first body 22 and the second body 23 can be fixed together by clamping, screw-fitting, screw-fastening, or interference insertion, and the second body 23 and the third body 24 can be fixed together by clamping, screw-fitting, screw-fastening, or interference insertion. The rotation limiting structure comprises a limiting groove 241 arranged in the third main body 24 and a limiting block 41 arranged in the reversing clutch assembly 4, the third main body 24 is provided with an annular rib 242 towards the reversing clutch assembly 4 in the axial direction, the annular rib 242 has a certain height, the center of the annular rib 242 is a through hole, the reversing clutch assembly 4 penetrates through the through hole to be matched with the third main body 24, the annular rib 242 is matched with the reversing clutch assembly 4 to realize the coaxial alignment of the third main body 24 and the reversing clutch assembly 4, and the limiting groove 241 is formed in the end face of the annular rib 242. The reversing clutch assembly 4 extends outwards in the radial direction to form an annular table 42, the limiting block 41 is formed on the annular table 42 and arranged towards the third main body 24, the length of the limiting groove 241 is larger than that of the limiting block 41, so that the limiting block 41 can be displaced along the limiting groove 241 when the reversing clutch assembly 4 rotates under driving, the two ends of the limiting groove 241 limit the limiting block 41, the limiting block 41 of the reversing clutch assembly 4 stops rotating after being limited by the limiting groove 241 of the third main body 24, the movable valve plate 3 continues to rotate under driving, relative rotation and sliding of the reversing clutch assembly 4 and the movable valve plate 3 are achieved, and the first state is switched to the second state.

As shown in fig. 2, in some embodiments, in order to achieve two states of clamping engagement and relative rotation and slippage of the movable valve plate 3 and the reversing clutch assembly 4, the axial end surface of the movable valve plate 3 and the axial end surface of the reversing clutch assembly 4 are provided with waveform tooth structures 6 capable of meshing with each other, and in a state where the waveform tooth structures 6 are meshed, the movable valve plate 3 rotates to drive the reversing clutch assembly 4 to rotate. The tooth tips of the waveform teeth are in arc shapes, so that the movable valve plate 3 and the reversing clutch assembly 4 can be prevented from being locked when the tooth tips are acute angles. When the reversing clutch assembly 4 stops rotating under the action of the rotation limiting structure, the movable valve plate 3 continues to rotate, the wavy teeth on the movable valve plate 3 and the wavy teeth on the reversing clutch assembly 4 gradually move to the opposite tooth tips, the movable valve plate 3 utilizes the wavy teeth to apply downward pressure to the reversing clutch assembly 4, the reversing clutch assembly 4 is disengaged from the movable valve plate 3, the reversing clutch assembly 4 is not influenced by the rotation of the movable valve plate 3, and the position of the mud pipe 5 is not regulated. The displacement of the reversing clutch assembly 4 in the axial direction is realized by utilizing the wave-shaped tooth structure 6, and the movable valve plate 3 can be separated from the reversing clutch assembly 4 when the reversing clutch assembly 4 is stopped, so that excessive interference between the movable valve plate and the reversing clutch assembly 4 is avoided, and the long-term working reliability of the rotary valve assembly is ensured.

The reversing clutch assembly 4 further comprises a reset piece 43 which enables the movable valve plate 3 and the reversing clutch assembly 4 to be kept meshed, the reset piece 43 is used for continuously applying axial acting force to the reversing clutch assembly 4, the driving piece 1 drives the movable valve plate 3 to continuously rotate, if the reversing clutch assembly 4 is disengaged from the movable valve plate 3, at the moment, if the driving piece 1 is adjusted to rotate reversely, the movable valve plate 3 and the reversing clutch assembly 4 can be meshed at the first time, the slurry discharge pipe 5 is driven to rotate, and the position of the slurry discharge pipe 5 is adjusted.

As shown in fig. 1, in some embodiments, the restoring member 43 is a spring sleeved on the outer periphery of the reversing clutch assembly 4, the outer periphery of the reversing clutch assembly 4 forms a stepped shaft, and the spring is sleeved on the stepped shaft of the reversing clutch assembly 4. When the third main body 24 is matched with the reversing clutch assembly 4, the part of the third main body 24, which is sleeved on the outer side of the stepped shaft, is matched with the reversing clutch assembly 4 to form a mounting cavity for fixing the spring, two ends of the spring are respectively abutted against the end surface of the stepped shaft and the inner bottom wall of the third main body 24, and the reversing clutch assembly 4 is provided with upward reset elastic force when moving downwards. Adopt the spring as the piece that resets, the reliability is better, and the spring both ends when with switching-over clutch assembly 4 and valve body 2 butt respectively, the cover is established and can be formed the radial support to switching-over clutch assembly 4 in the spring of switching-over clutch assembly 4 periphery, avoids switching-over clutch assembly 4 to rock, plays the guide effect to switching-over clutch assembly 4.

In some embodiments, as shown in fig. 1, a spacer 44 is provided between the spring end and the reversing clutch assembly 4. The gasket 44 is arranged on the step end face of the stepped shaft, the gasket 44 is a flat gasket, the gasket 44 acts between the end part of the spring and the step end face of the stepped shaft, the spring can be prevented from being twisted when the reversing clutch assembly 4 rotates, the spring can be protected, and the reliability of the spring in the long-term use process is ensured.

In some embodiments, as shown in fig. 1, the axial moving distance of the reversing clutch assembly 4 from the first state to the second state is L1, and a sealing section with a length of L2 is arranged between the mud discharging pipe 5 and the movable valve plate 3, wherein L1 < L2. When the reversing clutch assembly 4 is switched, the moving distance is basically the overlapping height of the wavy teeth on the movable valve plate 3 and the wavy teeth on the reversing clutch assembly 4 in the meshed state, and the height is L1. The slurry discharge pipe 5 is sleeved on the movable valve plate 3, so that slurry can be discharged sequentially through the first main body 22, the movable valve plate 3 and the slurry discharge pipe 5. In order to avoid the outflow of slurry between the movable valve plate 3 and the slurry discharge pipe 5 after entering the rotary valve assembly, a sealing section is arranged between the movable valve plate 3 and the slurry discharge pipe 5, and the length L2 of the sealing section is larger than L1, so that the problem that the slurry discharge pipe 5 is separated from the movable valve plate 3 due to the fact that the generated displacement is too large when the slurry discharge pipe 5 moves along with the axial direction of the reversing clutch assembly 4 and the leakage of the valve body is caused due to sealing failure is avoided.

Further, in some embodiments, the slurry discharge pipe 5 is sleeved on the periphery of the movable valve plate 3, and 2 annular sealing ribs 51 are arranged between the slurry discharge pipe 5 and the movable valve plate 3. 2 sealed muscle 51 of annular encircles 5 inner walls circumference settings of row thick liquid pipe, and sets up the interval between 2 sealed muscle of annular 51, and double seal structure can improve the sealed effect between movable valve block 3 and the row thick liquid pipe 5, even change valve unit spare because of inside or external pressure unbalance results in one of 2 sealed muscle of annular 51 to deform and become invalid, also can guarantee to seal through another sealed muscle of annular 51.

The quantity that sets up of annular sealing muscle 51 is 2, can understand, in concrete application, can adjust annular sealing muscle 51's quantity to being greater than 2 according to actual need, and annular sealing muscle 51 quantity is more, and is better to the sealed effect that plays between row's thick liquid pipe 5 and the dynamic valve piece 3, simultaneously, also can lead to the resistance increase when 4 switching states of switching-over separation and reunion subassemblies, consequently, need consider the balanced relation of the two in practical application.

As shown in fig. 1, in some embodiments, the rotating shaft center of the movable valve plate 3 is arranged along the axial direction of the valve body 2, and the driving member 1 is arranged on the axial end face of the valve body 2. The driving part 1 is fixed on the axial end face of the valve body 2, the movable valve plate 3 extends out of the axial end face of the valve body 2 and is fixedly connected with an output shaft of the driving part 1, and the output shaft of the driving part 1 rotates to drive the movable valve plate 3 to rotate along the axis of the valve body 2. Because driving piece 1 and movable valve piece 3 are through output shaft direct drive, for the structure that sets up intermediate drive spare, can effectively improve transmission efficiency, reduce energy loss, owing to be used for driven part less moreover, simple structure, the fault rate is low, and work is more reliable.

As shown in fig. 1, in some embodiments, the movable valve plate 3 is provided with a signal output member 31, the axial end surface of the valve body 2 is further provided with a control board 7 electrically connected to the driving member 1, and the control board 7 is provided with a detection device 71 capable of detecting an output signal of the signal output member 31, so as to obtain the working position information of the movable valve plate 3. The signal output part 31 is embedded into the movable valve plate 3 and can move along with the rotation of the movable valve plate 3, the control plate 7 is fixed on the axial end face of the valve body 2, the detection device 71 on the control plate 7 senses and identifies the signal output part 31, the working position information of the movable valve plate 3 is acquired by acquiring the working position information of the signal output part 31, and then the driving part 1 is regulated and controlled to work, so that the identification and control of different states are realized. Specifically, the signal output member 31 may be a magnet, and the detecting device 71 may be a magnetic reed switch capable of detecting a magnetic signal of the magnet, wherein when the signal of the magnet is detected, two originally separated reeds are engaged to form a conducting circuit, and position information of the conducting circuit is used as a basis for determining the position of the slurry discharge pipe 5. It will be appreciated that in some embodiments the signal output member 31 and the detection means 71 may also comprise other components, such as a proximity switch or an infrared signal transmission means.

As shown in fig. 1, in some embodiments, in order to ensure the sealing between the movable valve plate 3 and the valve body 2 and prevent the slurry from flowing out along the inner wall of the valve body 2 and the outer wall of the movable valve plate 3, the inner wall of the valve body 2 is provided with a first sealing element 8, and the movable valve plate 3 is arranged inside the first sealing element 8. First sealing member 8 is the laminating of shell structure and first main part 22 inner wall to including establishing movable valve block 3 cover, first sealing member 8 is equipped with the annular sealing muscle around 3 circumferential surface of movable valve block with the surface of movable valve block 3 complex. The movable valve plate 3 is made of low-cost plastic, the first sealing element 8 is made of silica gel, the low-cost movable valve plate is matched with the silica gel, and a high-cost valve plate assembly (a movable valve plate and a sealing static valve plate) is replaced, so that the cost is effectively reduced by about 60%.

The technical solution protected by the present invention is not limited to the above embodiments, and it should be noted that the technical solution of any one embodiment is combined with the technical solution of one or more other embodiments in the protection scope of the present invention. Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a food processing machine is with changeing valve module, is in including driving piece, valve body and setting movable valve block in the valve body, the driving piece can drive movable valve block rotates so that the valve body forms the route, its characterized in that still includes and passes through movable valve block drive pivoted switching-over clutch assembly, and with switching-over clutch assembly fixed connection's thick liquid pipe of arranging, switching-over clutch assembly have with the first state that movable valve block joint enclasping closed, and with the second state that movable valve block relatively rotated and slided, arrange the thick liquid pipe and can follow switching-over clutch assembly rotates, and the turned angle scope is 25 ~ 180.

2. The rotary valve assembly for food processing machines according to claim 1, wherein a rotation limiting structure is disposed between the reversing clutch assembly and the valve body, the rotation limiting structure being capable of interfering to switch the reversing clutch assembly from the first state to the second state.

3. The rotary valve assembly for food processing machine according to claim 1, wherein the axial end surface of the movable valve plate and the axial end surface of the reversing clutch assembly are provided with waveform tooth structures capable of meshing with each other, and the reversing clutch assembly further comprises a reset member for keeping the movable valve plate and the reversing clutch assembly meshed with each other.

4. The rotary valve assembly for food processing machine according to claim 3, wherein the reset member is a spring sleeved on the periphery of the reversing clutch assembly, and two ends of the spring are respectively abutted against the reversing clutch assembly and the valve body.

5. The rotary valve assembly as claimed in claim 4, wherein a spacer is provided between the spring end and the reversing clutch assembly.

6. The rotary valve assembly as claimed in claim 3, wherein the reversing clutch assembly is shifted from the first state to the second state by an axial movement distance of L1, a sealing section having a length of L2 is provided between the slurry discharge pipe and the movable valve plate, and L1 < L2.

7. The rotary valve assembly as claimed in claim 1, wherein the rotary shaft of the movable valve plate is disposed along an axial direction of the valve body, and the driving member is disposed on an axial end surface of the valve body.

8. The rotary valve assembly for food processing machine according to claim 7, wherein the movable valve plate is provided with a signal output member, the axial end surface of the valve body is further provided with a control board electrically connected to the driving member, and the control board is provided with a detection device capable of detecting an output signal of the signal output member to obtain the working position information of the movable valve plate.

9. The rotary valve assembly as claimed in claim 1, wherein the valve body has a first sealing member on an inner wall thereof, and the movable valve plate is disposed inside the first sealing member.

10. The rotary valve assembly as claimed in claim 1, wherein the slurry discharge pipe is disposed around the movable valve plate, and at least 2 annular sealing ribs are disposed between the slurry discharge pipe and the movable valve plate.