CN109780246B - Multi-way valve based on position coding - Google Patents
Multi-way valve based on position coding Download PDFInfo
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- CN109780246B CN109780246B CN201910225739.5A CN201910225739A CN109780246B CN 109780246 B CN109780246 B CN 109780246B CN 201910225739 A CN201910225739 A CN 201910225739A CN 109780246 B CN109780246 B CN 109780246B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 210000000476 body water Anatomy 0.000 claims abstract description 108
- 238000007789 sealing Methods 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 6
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- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses a multi-way valve based on position coding, which belongs to the field of valve pipeline equipment, and comprises a fixed valve body, a movable valve core, a motor and an encoder, wherein the fixed valve body is hollow, a bulge arranged at the bottom and the inner wall of the fixed valve body form a placing groove, and a valve body water inlet and at least two valve body water outlets are formed in the side wall; the movable valve core is movably nested in the fixed valve body, the bottom of the movable valve core is nested in the placing groove, the side wall is provided with a valve core water inlet and a valve core water outlet at intervals, the number of the valve core water outlets is equal to that of the valve body water outlets, the valve core water outlets are in one-to-one correspondence and are communicated with the valve body water outlets through the rotation of the movable valve core relative to the fixed valve body, and meanwhile, the valve core water inlets are in correspondence and are communicated with the valve body water inlets; the top of the movable valve core is provided with a connecting shaft, the connecting shaft is connected with a main shaft of a motor through a coupler, and the main shaft of the motor is nested in the encoder. The invention can realize the opening and closing of the valves according to the codes, and can realize the control of multiple valves by a small number of control lines.
Description
Technical Field
The invention relates to the field of valve pipeline equipment, in particular to a multi-way valve based on position coding.
Background
In certain aviation industry fields, there are areas with extremely small valve installation space, the valve opening and closing conditions of the specific areas are complex, one valve is usually required to realize multiple passes, and the requirements on the size and the sealing design of the valve are extremely high. At present, most of the existing valves adopt the compression degree of a valve core and a valve body to realize sealing, and a large volume is needed to realize one valve for multiple passes. With a typical valve, it is difficult to achieve one-valve multi-pass in a small space area, and at the same time, it is difficult to ensure a tight seal of the valve.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a multi-way valve based on position coding, so as to achieve the requirements that the existing valve can realize one-valve multi-way in a small space area, simplify the complex opening and closing condition of the valve, and ensure strict sealing of the valve.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a multiway valve based on position coding, includes fixed valve body, movable case, motor and encoder, fixed valve body cavity, the bottom sets up the arch, protruding and fixed valve body inner wall formation standing groove, set up valve body water inlet and at least two valve body delivery port that communicate the inside of fixed valve body on the lateral wall of fixed valve body, valve body water inlet and valve body delivery port are not in same vertical direction, all valve body delivery ports are not in same horizontal direction, set up a plurality of recesses on the inside wall of fixed valve body, all recesses all offer horizontally, and do not communicate each other and do not interfere, the valve body water inlet corresponds to set up a recess, and communicate with the recess, every valve body delivery port corresponds to set up a recess, and also communicate with the recess of all valve body delivery ports department is arranged in the dislocation on vertical direction, and there are overlap and non-overlap portion in the projection on the horizontal plane, wherein overlap width of overlap portion is the horizontal width of valve body delivery port, the projection length of recess of all valve body delivery ports department on the horizontal plane equals the horizontal width of recess of water inlet department;
the movable valve core is movably nested in the fixed valve body and is of a hollow structure with an open bottom, the bottom of the movable valve core is nested in the placing groove, a valve core water inlet and a valve core water outlet which are communicated with the inside of the movable valve core are arranged on the side wall of the movable valve core at intervals, the valve core water inlet and the valve core water outlet are not in the same vertical direction, all the valve core water outlets are not in the same horizontal direction, the number of the valve core water outlets is equal to the number of the valve body water outlets, the valve core water outlets are in one-to-one correspondence and are communicated with the valve body water outlets through the rotation of the movable valve core relative to the fixed valve body, and meanwhile, the valve core water inlet and the valve body water inlet are in one-to-one correspondence and are communicated;
the top of the movable valve core is provided with a connecting shaft, the connecting shaft extends out of the solid valve body through a sealing opening formed in the top of the fixed valve body and is connected with a main shaft of a motor through a coupler at the outer side of the fixed valve body, the main shaft of the motor is further nested in an encoder and penetrates through the encoder, and the encoder is a shaft sleeve type encoder which is arranged on the motor and is positioned between the motor and the movable valve core.
Further, the opening size of the water inlet of the valve body and the opening size of the water inlet of the valve core, and the opening size of the water outlet of the valve body and the opening size of the water outlet of the valve core.
Further, a valve body sealing groove is formed in the inner side wall of the top of the fixed valve body, and the valve body sealing groove surrounds the periphery of the sealing opening; the movable valve core is characterized in that a valve core sealing groove is formed in the outer wall of the top of the movable valve core, the valve core sealing groove surrounds the circumference of the connecting shaft, corresponds to the valve body sealing groove, and is nested with a sealing ring.
Further, the valve body water inlet and the valve body water outlet are respectively arranged on two opposite sides of the fixed valve body, the vertical width of the valve body water inlet and the valve body water outlet is not larger than the vertical width of the groove at the position, the valve body water inlet is positioned in the middle of the groove bottom of the groove at the position, and the valve body water outlet is positioned at one end of the groove at the position and at the groove bottom of the groove.
Further, the grooves at the water outlets of all the valve bodies are staggered by the horizontal width of one water outlet of the valve body in the vertical direction.
Further, when the number of the valve body water outlets is equal to two, the non-overlapping parts projected on the horizontal plane of the grooves at the valve body water outlets are respectively positioned at the left side and the right side of the valve body water outlets.
Further, when the number of the valve body water outlets is greater than two, the side where the non-overlapping part of the groove at one valve body water outlet projected on the horizontal plane is opposite to the side where the non-overlapping part of the grooves at other valve body water outlets projected on the horizontal plane is located, and the horizontal widths of the grooves at other valve body water outlets are different.
Further, the gap between the bottom of the movable valve core and the bottom of the placing groove and the gap between the outer wall and the inner wall of the fixed valve body are not more than 0.02mm; the surface roughness of the outer surface of the movable valve core, the inner surface of the fixed valve body and the groove wall of the placing groove is less than 0.4.
Further, the operation of the motor is driven by an encoder.
Further, the fixed valve body and the movable valve core are made of solid steel.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure and reasonable design, can realize the opening and closing of the water inlet and the water outlet of the multi-channel valve in a small space, can effectively ensure the tightness of the valve, and realizes the control of the multi-valve by adopting a small quantity of control lines by adopting an electronic control mode of position coding. The method comprises the following steps: through the position code of input in advance, the rotation mode and the rotation time of control motor, motor drive movable valve core is rotatory, and the movable valve core produces the angular displacement volume with the contact surface of fixed valve body, and rotary control business turn over water valve gate opens and shuts, adopts rotatory valve regulation mode, not only can reduce valve space volume, can guarantee the tight seal of valve simultaneously moreover, realizes required design function and requirement.
Drawings
FIG. 1 is a perspective exploded view of a position-coding-based multi-way valve of the present invention.
Fig. 2 is a perspective sectional view of a structure of a fixed valve body in the case of a three-way valve according to the present invention.
Fig. 3 is a front view and a left view of fig. 2.
Fig. 4 is a perspective sectional view of the movable valve core when the three-way valve is adopted in the invention.
Fig. 5 is a front view and a left view of fig. 4.
Fig. 6 is a position number chart of the three-way valve according to the present invention.
Fig. 7 is a perspective sectional view of a structure of a fixed valve body in the case of a seven-way valve according to the present invention.
Fig. 8 is a position number diagram of the seven-way valve according to the present invention.
Description of the main reference signs
In the figure: the valve comprises a fixed valve body 1, a bulge 11, a placing groove 12, a valve body water inlet 13, a valve body water outlet 14, a groove 15, a sealing port 16, a valve body sealing groove 17, a movable valve core 2, a valve core water inlet 21, a valve core water outlet 22, a valve core sealing groove 23, a connecting shaft 3, a coupler 4, a motor 5 and an encoder 6.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 8, in a preferred embodiment of the present invention, a multi-way valve based on position coding includes a fixed valve body 1, a movable valve core 2, a motor 5 and an encoder 6. The fixed valve body 1 is hollow, the bottom is provided with a bulge 11, the bulge 11 and the inner wall of the fixed valve body 1 form a placing groove 12, the side wall of the fixed valve body 1 is provided with a valve body water inlet 13 and at least two valve body water outlets 14 which are communicated with the inside of the fixed valve body 1, the valve body water inlet 13 and the valve body water outlets 14 are not in the same vertical direction, all the valve body water outlets 14 are not in the same horizontal direction, namely are arranged at intervals in the vertical direction, and can be in the same vertical direction or in the same vertical direction when arranged in the vertical direction; the inner side wall of the fixed valve body 1 is provided with a plurality of grooves 15, all the grooves 15 are horizontally arranged and are not communicated with each other and do not interfere with each other, the valve body water inlet 13 is correspondingly provided with one groove 15 and is communicated with the grooves 15, each valve body water outlet 14 is correspondingly provided with one groove 15 and is also communicated with the grooves 15, the grooves 15 at all the valve body water outlets 14 are arranged in a staggered manner in the vertical direction, namely, the grooves 15 are not completely overlapped on the horizontal plane, the grooves 15 at all the valve body water outlets 14 have overlapping parts and non-overlapping parts in a projection manner on the horizontal plane, the overlapping width of the overlapping parts is the horizontal width of the valve body water outlets 14, and the projection length of the grooves 15 at all the valve body water outlets 14 on the horizontal plane is equal to the horizontal width of the grooves 15 at the valve body water inlet 13.
The movable valve core 2 is movably nested in the fixed valve body 1 and is of a hollow structure with an open bottom, and the bottom of the movable valve core 2 is nested in the placing groove 12; the side wall of the movable valve core 2 is provided with a valve core water inlet 21 and a valve core water outlet 22 which are communicated with the inside of the movable valve core 2 at intervals, the valve core water inlet 21 and the valve core water outlet 22 are not in the same vertical direction, all the valve core water outlets 22 are not in the same horizontal direction, the number of the valve core water outlets 22 is equal to the number of the valve body water outlets 14, the valve core water outlets 22 are in one-to-one correspondence and are communicated with the valve body water outlets 14 through the rotation of the movable valve core 2 relative to the fixed valve body 1, and meanwhile, the valve core water inlet 21 is in correspondence and communication with the valve body water inlet 13, namely, when the valve core water inlet 21 rotates within the range of a groove 15 at the valve body water inlet 13 through the rotation mode of the movable valve core 2 relative to the fixed valve core, the valve body water inlet 13 can be communicated with the valve core water inlet 21 through the groove 15 at the position of the valve core water inlet 13, so that external liquid flows into the inside of the movable valve core 2, and then flows out through the valve core water outlet 22, and when the liquid flows out, the valve core water outlet 22 is communicated with the valve body water outlet 14, namely, when the valve core water outlet 22 rotates within the range of the groove 15, the valve body water outlet 14. As can be seen from the above, the multi-way valve designed by the invention realizes one-valve multi-way by utilizing the groove 15 on the fixed valve body 1, namely, grooves 15 with different vertical positions are arranged at the water inlet and outlet on the fixed valve body 1, when the water inlet and outlet on the movable valve core 2 rotates within the range of the groove 15, the water inlet and outlet can be communicated with the water inlet or the water outlet at the groove 15 through the groove 15, a flow channel is formed after the water inlet and outlet are communicated, and external liquid flows in and out from the flow channel, so that the opening and closing of the water inlet and outlet can be adjusted according to the different positions of the movable valve core 2 and the groove 15 on the fixed valve body 1.
The top of the movable valve core 2 is provided with a connecting shaft 3, the connecting shaft 3 extends out of the solid valve body through a sealing port 16 formed in the top of the fixed valve body 1 and is connected with a main shaft of the motor 5 through a coupler 4 at the outer side of the fixed valve body 1, the main shaft of the motor 5 is further nested in an encoder 6 and penetrates through the encoder 6, and the encoder 6 is a shaft sleeve type encoder which is installed on the motor 5 and is located between the motor 5 and the movable valve core 2. Namely, the motor 5 drives the movable valve core 2 to rotate relative to the fixed valve body 1 to realize one-valve multi-pass, and the motor 5 is driven to operate by the encoder 6, namely, when in use, a position coding command is input in advance, and then the encoder 6 detects and controls the operation mode (forward rotation or reverse rotation) and the operation time (angular displacement) of the motor 5, so that the opening and closing of each water inlet and outlet are controlled.
Further, a valve body sealing groove 17 is formed in the inner side wall of the top of the fixed valve body 1, and the valve body sealing groove 17 surrounds the periphery of the sealing opening 16; the valve core sealing groove 23 is formed in the outer wall of the top of the movable valve core 2, the valve core sealing groove 23 surrounds the circumference of the connecting shaft 3, corresponds to the valve body sealing groove 17, and is nested with a sealing ring between the two, so that the sealing performance of the valve is effectively ensured. The fixed valve body 1 and the movable valve core 2 are made of solid steel.
Further, the gap between the bottom of the movable valve core 2 and the bottom of the placing groove 22 and the gap between the outer wall and the inner wall of the fixed valve body 1 are not more than 0.02mm, so that the tightness of the multi-way valve is ensured; the surface roughness of the outer surface of the movable valve core 2, the inner surface of the fixed valve body 1 and the groove wall of the placing groove 12 are all smaller than 0.4, so that the contact surface of the movable valve core 2 and the fixed valve core is smooth and even.
Further, the opening size of the valve body water inlet 13 is equal to the opening size of the valve core water inlet 21, and the opening size of the valve body water outlet 14 is equal to the opening size of the valve core water outlet 22.
Further, the valve body water inlet 13 and the valve body water outlet 14 are respectively arranged on two opposite sides of the fixed valve body 1, the vertical width of the valve body water inlet 13 and the valve body water outlet 14 is not larger than the vertical width of the groove 15 at the position, the valve body water inlet 13 is positioned in the middle of the groove bottom of the groove 15 at the position, and the valve body water outlet 14 is positioned at one end of the groove 15 at the position and at the groove bottom of the groove 15. Further, the grooves 15 at all the valve body water outlets 14 are displaced by one horizontal width of the valve body water outlet 14 in the vertical direction.
Further, referring to fig. 2 and 3, when the number of the valve body water outlets 14 is equal to two, that is, the multi-way valve is a three-way valve, the non-overlapping portions of the grooves 15 at the valve body water outlets 14 projected on the horizontal plane are respectively located at the left and right sides of the valve body water outlets 14. Referring to fig. 7, when the number of the valve body water outlets 14 is greater than two, that is, the multi-way valve is a multi-way valve, there is a non-overlapping portion of the groove 15 at one valve body water outlet 14 projected on the horizontal plane, opposite to the non-overlapping portion of the groove 15 at the other valve body water outlets 14 projected on the horizontal plane, and the horizontal widths of the grooves 15 at the other valve body water outlets 14 are different. Whether a three-way valve or a multi-way valve, the horizontal width of the groove 15 at the valve body water outlet 14 is a multiple of the horizontal width of the valve body water outlet 14, and is at least twice. Specifically, the horizontal width of the groove 15 at the valve body water outlet 14 is sequentially increased from a value twice the horizontal width of the valve body water outlet 14. As in the three-way valve of fig. 2, the horizontal width of the groove 15 at the valve body water inlet 13 is the sum of the horizontal widths of the grooves 15 at all the valve body water outlets 14 minus the horizontal width of the overlapping portion, and the horizontal width of the groove 15 at the valve body water outlet 14 is twice the horizontal width of the valve body water outlet 14; in the seven-way valve in fig. 7, the horizontal width of the grooves 15 at the water outlet 14 of the valve body increases from top to bottom in the vertical direction, wherein the horizontal widths of the two uppermost grooves 15 are identical and are twice as large as the horizontal width of the water outlet 14 of the valve body, the third groove 15 is three times as large as the horizontal width of the water outlet 14 of the valve body, the fourth groove 15 is four times as large as the horizontal width of the water outlet 14 of the valve body, and so on, and the horizontal width of the grooves 15 at the water inlet 13 of the valve body is the sum of the horizontal widths of the grooves 15 at the water outlets 14 of all valve bodies minus the horizontal width of the overlapped part.
In the invention, the opening and closing of each water inlet and outlet of the multi-way valve is controlled by a position coding instruction preset on the encoder 6, and the coding principle and the working principle of the multi-way valve are now described.
For the three-way valve in fig. 2, the control mode is a 4-line/2-line position coding control mode, the position numbers are as shown in fig. 6, A, B, C, D in the figure respectively represent the position numbers of valve pieces, firstly, water inlets and outlets on the fixed valve body 1 and the movable valve core 2 are respectively named, wherein the valve body water inlet 13 and the valve core water inlet 21 are respectively named as a water inlet a, the valve body water outlet 14 is respectively named as a valve body first water outlet and a valve body second water outlet from top to bottom along the vertical direction of the fixed valve body 1, the valve core water outlet 22 is respectively named as a valve core first water outlet and a valve core second water outlet from top to bottom along the vertical direction of the movable valve core 2, the valve body first water outlet and the valve core first water outlet are respectively named as a water outlet b, and the valve body second water outlet and the valve core second water outlet are respectively named as a water outlet c.
1) When the position of the valve core water inlet 21 is in the horizontal width range of the groove 15 at the valve body water inlet 13, the valve core water inlet 21 is communicated with the valve body water inlet 13, and external liquid can flow into the movable valve core 2 from the valve body water inlet 13 and the valve core water inlet 21, and at the moment, the water inlet a is in an open state; otherwise, the water inlet a is in a closed state.
2) When the position of the valve core number one water outlet is in the horizontal width range of the groove 15 at the valve body number one water outlet, the valve core number one water outlet is communicated with the valve body number one water outlet, and liquid in the movable valve core 2 can flow out of the movable valve core 2 from the valve core number one water outlet and the valve body number one water outlet, and at the moment, the water outlet b is in an open state; on the contrary, the water outlet b is in a closed state.
3) When the position of the valve core II water outlet is in the horizontal width range of the groove 15 at the valve body II water outlet, the valve core II water outlet is communicated with the valve body II water outlet, and liquid in the movable valve core 2 can flow out of the movable valve core 2 from the valve core II water outlet and the valve body II water outlet, and at the moment, the water outlet b is in an open state; on the contrary, the water outlet b is in a closed state.
Next, the water inlet a, the water outlet b and the water outlet c are all in a closed state by the position number A in fig. 6; the position number B indicates that the water inlet a and the water outlet B are in an open state, and the water outlet c is in a closed state; the position number C indicates that the water inlet a, the water outlet b and the water outlet C are in an open state; the position number D indicates that the water inlet a and the water outlet c are in an open state, and the water outlet b is in a closed state. Further, referring to table 1, the current position of the valve core water inlet 21 is denoted by "1", the current position of the valve core water inlet 21 is denoted by "0", and then each current position of the valve core water inlet 21 is binary-coded, and the position-coded information is as "Y" in table 1 0 ”“Y 1 "shown.
Table 1 corresponds to the 4-line/2-line position encoding table of FIG. 6
Similarly, for the seven-way valve in fig. 7, the control mode is 8-line/3-line position coding control mode, the position numbers are shown in fig. 8, A, B, C, D, E, F, G, H in the figure respectively represent the position numbers of the valve members, the rest is similar to the three-way valve, further, please refer to table 2, the current position of the valve core water inlet 21 is represented by "1", the current position of the valve core water inlet 21 is represented by "0", then binary coding is performed on each current position of the valve core water inlet 21, and the position coding information is shown as "Y" in table 2 0 ”“Y 1 ”“Y 2 "shown.
Table 2 8-line/3-line position encoding table corresponding to fig. 8
In summary, the invention can realize multiple passes of the multi-pass valve by increasing the number of the valve body water outlets 14 and the valve core water outlets 22, and the grooves 15 at the valve body water outlets 14 are arranged in a vertical staggered arrangement mode, the staggered distances are all the horizontal width of one valve body water outlet 14, and then position numbering and coding processing are carried out according to the actual multiple passes, so that the invention can realize multiple passes of one valve with small space occupation ratio.
It should be noted that the present invention is not limited to the three-way valve and the seven-way valve.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (7)
1. The utility model provides a multiport valve based on position coding, includes fixed valve body, movable case, motor and encoder, its characterized in that: the fixed valve body is hollow, the bottom is provided with a bulge, the bulge and the inner wall of the fixed valve body form a placing groove, the side wall of the fixed valve body is provided with a valve body water inlet and at least two valve body water outlets which are communicated with the inside of the fixed valve body, the valve body water inlet and the valve body water outlets are not in the same vertical direction, all the valve body water outlets are not in the same horizontal direction, the inner side wall of the fixed valve body is provided with a plurality of grooves which are horizontally arranged and are not communicated with each other, the valve body water inlet is correspondingly provided with a groove and is communicated with the groove, each valve body water outlet is correspondingly provided with a groove and is also communicated with the groove, the grooves at all the valve body water outlets are arranged in a staggered manner in the vertical direction, and an overlapped part and a non-overlapped part exist in the projection of the overlapped part, wherein the overlapped width of the overlapped part is the horizontal width of the valve body water outlets, and the projected length of the grooves at all the valve body water outlets on the horizontal plane is equal to the horizontal width of the grooves at the valve body water inlets;
the movable valve core is movably nested in the fixed valve body and is of a hollow structure with an open bottom, the bottom of the movable valve core is nested in the placing groove, a valve core water inlet and a valve core water outlet which are communicated with the inside of the movable valve core are arranged on the side wall of the movable valve core at intervals, the valve core water inlet and the valve core water outlet are not in the same vertical direction, all the valve core water outlets are not in the same horizontal direction, the number of the valve core water outlets is equal to the number of the valve body water outlets, the valve core water outlets are in one-to-one correspondence and are communicated with the valve body water outlets through the rotation of the movable valve core relative to the fixed valve body, and meanwhile, the valve core water inlet and the valve body water inlet are in one-to-one correspondence and are communicated;
the top of the movable valve core is provided with a connecting shaft, the connecting shaft extends out of the solid valve body through a sealing port formed in the top of the fixed valve body and is connected with a main shaft of a motor through a coupler at the outer side of the fixed valve body, the main shaft of the motor is further nested in an encoder and penetrates through the encoder, the encoder is a shaft sleeve type encoder, the encoder is arranged on the motor and is positioned between the motor and the movable valve core, the inner side wall of the top of the fixed valve body is provided with a valve body sealing groove, and the valve body sealing groove surrounds the periphery of the sealing port; the outer wall of the top of the movable valve core is provided with a valve core sealing groove, the valve core sealing groove surrounds the circumference of the connecting shaft, corresponds to the valve body sealing groove, and is nested with a sealing ring;
the valve body water inlet and the valve body water outlet are respectively arranged on two opposite sides of the fixed valve body, the vertical width of the valve body water inlet and the valve body water outlet is not larger than the vertical width of the groove at the position of the valve body water inlet, the valve body water inlet is positioned in the middle of the groove bottom of the groove at the position of the valve body water inlet, and the valve body water outlet is positioned at one end of the groove at the position of the valve body water outlet and is positioned at the groove bottom of the groove.
2. A position-coding based multi-way valve as defined in claim 1, wherein: the grooves at the water outlets of all the valve bodies are staggered by the horizontal width of the water outlet of one valve body in the vertical direction.
3. A position-coding based multi-way valve as defined in claim 2, wherein: when the number of the valve body water outlets is equal to two, the non-overlapping parts of the projection of the grooves at the valve body water outlets on the horizontal plane are respectively positioned at the left side and the right side of the valve body water outlets.
4. A position-coding based multi-way valve as defined in claim 2, wherein: when the number of the valve body water outlets is greater than two, the side where the non-overlapping part of the groove at one valve body water outlet projected on the horizontal plane is opposite to the side where the non-overlapping part of the grooves at other valve body water outlets projected on the horizontal plane is located, and the horizontal widths of the grooves at other valve body water outlets are different.
5. A position-coding based multi-way valve as defined in claim 1, wherein: the gap between the bottom of the movable valve core and the bottom of the placing groove and the gap between the outer wall and the inner wall of the fixed valve body are not more than 0.02mm; the surface roughness of the outer surface of the movable valve core, the inner surface of the fixed valve body and the groove wall of the placing groove is less than 0.4.
6. A position-coding based multi-way valve as defined in claim 1, wherein: the operation of the motor is driven by an encoder.
7. A position-coding based multi-way valve as defined in claim 1, wherein: the fixed valve body and the movable valve core are made of solid steel.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276653Y (en) * | 2008-08-19 | 2009-07-22 | 合肥荣事达洗衣设备制造有限公司 | Feed water switch valve of double-cylinder washing machine |
| CN202149248U (en) * | 2011-07-08 | 2012-02-22 | 上海创力集团股份有限公司 | Shunt valve for mining machinery |
| CN104913069A (en) * | 2015-06-15 | 2015-09-16 | 李华良 | Flow-adjustable valve |
| CN106499843A (en) * | 2015-09-06 | 2017-03-15 | 广西大学 | A kind of intelligent tap |
| CN209604584U (en) * | 2019-03-25 | 2019-11-08 | 桂林理工大学 | It is a kind of based on position encoded multiple-way valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10085825B2 (en) * | 2016-05-26 | 2018-10-02 | Kavo Dental Technologies, Llc | Water control valve |
-
2019
- 2019-03-25 CN CN201910225739.5A patent/CN109780246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276653Y (en) * | 2008-08-19 | 2009-07-22 | 合肥荣事达洗衣设备制造有限公司 | Feed water switch valve of double-cylinder washing machine |
| CN202149248U (en) * | 2011-07-08 | 2012-02-22 | 上海创力集团股份有限公司 | Shunt valve for mining machinery |
| CN104913069A (en) * | 2015-06-15 | 2015-09-16 | 李华良 | Flow-adjustable valve |
| CN106499843A (en) * | 2015-09-06 | 2017-03-15 | 广西大学 | A kind of intelligent tap |
| CN209604584U (en) * | 2019-03-25 | 2019-11-08 | 桂林理工大学 | It is a kind of based on position encoded multiple-way valve |
Non-Patent Citations (1)
| Title |
|---|
| 四位七通手动转阀的设计与应用;张连仁;;液压气动与密封(第05期);全文 * |
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