CN115560100A - Steering valve for spinning and manufacturing method thereof - Google Patents

Abstract

The invention discloses a textile steering valve and a manufacturing method thereof, which are characterized in that: the steering valve comprises a valve body assembly, a driving mechanism, a central shaft, a limiting shaft and a steering wheel; the valve body assembly comprises a shell, a water inlet seat and a water outlet seat, the water inlet seat is fixed at one end of the shell, and the water outlet seat is fixed at the other end of the shell; the driving mechanism comprises a stator and a magnetic rotor, and the magnetic rotor is embedded in a rotating shaft of the water inlet seat through a rotating shaft hole; the lower part of the magnetic rotor is connected with the steering wheel; the steering wheel is embedded into the central shaft through the central shaft hole; the central shaft is fixed in the center of the water outlet seat; the limiting shaft is fixed on the periphery of the center of the water outlet seat. According to the steering valve for spinning and the manufacturing method thereof, the manufacturing cost is low and the production efficiency is high through the optimized design of the product; meanwhile, the steering valve has the advantages of long service life, no external leakage, small internal leakage, convenience in maintenance, low maintenance cost and the like.

Description

Steering valve for spinning and manufacturing method thereof

Technical Field

The invention relates to the technical field of fluid control, in particular to a steering valve for spinning and a manufacturing method thereof.

Background

The textile diverter valve is a very special valve in the valve field, which is mostly applied to a water jet textile machine and requires high switching response frequency and 3.0-10.0 MPa pressure.

At present, the steering valve for spinning has various defects, which are specifically as follows:

first, spare part is easy wearing and tearing, does not have the automatic compensation function, like the axial sealing washer of sealed effect, radially sealed ceramic case and ceramic cover are in the condition of high pressure high frequency switching action for a long time, easily takes place wearing and tearing to and leak water. Then, due to the fact that the rotational inertia is large, and under the condition of high-frequency switching, the limit structure of the connecting part is easy to wear under the action of continuous impact force, and the defect causes the maintenance cost to be increased;

secondly, the ceramic valve core is in clearance fit with the ceramic sleeve, and the valve always has the leakage problem due to the clearance fit;

thirdly, two water drainage pipes are arranged above and below the main valve body, and the purpose is to discharge redundant water due to overhigh water pressure, so that water resource waste and great inconvenience are brought to other parts;

fourth, the manufacturing process is complicated. Firstly, manufacturing a ceramic valve core and a ceramic sleeve by a ceramic sintering process; secondly, the sizes and the surface gloss of the ceramic valve core and the ceramic sleeve reach the standard requirements through a grinding process; then, fixing a stainless steel rod on the ceramic valve core, and embedding and fixing the ceramic sleeve into the main valve body; and finally, connecting the driving mechanism and the ceramic valve core together in a coupling mode. However, this manufacturing method has a problem in that the connecting portion of the driving mechanism cannot be kept concentric with the ceramic sheath, and it is necessary to secure the concentricity by adjusting the screw, which causes great inconvenience in mass production.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a steering valve for spinning.

In order to achieve the purpose, the invention adopts the following technical scheme: a textile steering valve is characterized in that: the steering valve comprises a valve body assembly, a driving mechanism, a central shaft, a limiting shaft and a steering wheel;

the valve body assembly comprises a shell, a water inlet seat and a water outlet seat, wherein the water inlet seat is fixed at one end of the shell, and the water outlet seat is fixed at the other end of the shell;

the driving mechanism comprises a stator and a magnetic rotor, and the magnetic rotor is embedded in a rotating shaft of the water inlet seat through a rotating shaft hole and is arranged in the shell; the stator is fixed on the outer wall of the shell, and the position of a magnetic field generated by electrifying the stator corresponds to the magnetic field generated by the magnetic rotor;

wherein the lower part of the magnetic rotor is connected with the steering wheel;

the steering wheel is embedded into the central shaft through the central shaft hole;

wherein, the central shaft is fixed at the right center of the water outlet seat;

wherein, the limiting shaft is fixed on the periphery of the center of the water outlet seat.

In the above steering valve for textile use, the water outlet seat comprises a first guide part, and a center positioning blind hole matched with the central shaft is arranged in the center of the first guide part;

in the steering valve for spinning, a limiting hole matched with the limiting shaft is arranged on the periphery of the central positioning blind hole;

in the steering valve for spinning, a first external thread section is arranged on the excircle of the first guide part, a first sealing ring groove is arranged below the first external thread section, two water outlet pipes are arranged below the first sealing ring groove, and the two water outlet pipes are symmetrical in position;

in the above steering valve for textile, the first guide part is further provided with two water outlet holes, and the two water outlet holes are communicated with the two water outlet pipes and are on the same reference circle;

in the steering valve for spinning, an upper end face of the first guide part is a first sealing end face;

in the steering valve for spinning, the water inlet seat comprises a second guide part, a second external thread section is arranged on the excircle of the second guide part, a second sealing ring groove is arranged above the second external thread section, and a water inlet pipe is arranged above the second sealing ring groove;

in the steering valve for spinning, the lower part of the second guide part is connected with the rotating shaft, a water guide hole is formed in the rotating shaft, and the water guide hole is communicated with the water inlet pipe;

in the steering valve for textile, the steering wheel comprises a rotor connecting part and a guide column body, and the rotor connecting part is arranged above the guide column body and connected with the guide column body;

in the steering valve for spinning, the guide column body comprises a flow injection ring groove, a guide hole, a steering flow channel, a limiting groove matched with the limiting shaft and a second sealing end face matched with the first sealing end face;

in the above steering valve for spinning, the injection ring groove is connected to the rotor connecting portion;

in the above steering valve for textile use, the water inlet side of the diversion hole is communicated with the flow injection ring groove, and the water outlet side is communicated with the steering flow channel; the number of the diversion holes is 2, and the diversion holes are arranged on two sides of the steering flow channel;

in the above steering valve for textile use, the steering flow channel and the limiting groove are symmetrical in position; the second sealing end face is arranged below the steering runner and the limiting groove;

in the steering valve for textile, the central shaft hole penetrates through the center of the guide cylinder;

in the steering valve for spinning, the limiting groove comprises a first limiting point and a second limiting point, the first limiting point and the second limiting point are symmetrical in position, and the included angle is 30-60 degrees; the smaller the included angle is, the smaller the angular displacement is, which is beneficial to improving the switching response frequency.

In the steering valve for textile, the magnetic rotor comprises a magnetic ring column, a rotary table connecting part matched with the rotor connecting part and a rotating shaft hole matched with the rotating shaft;

in the steering valve for spinning, the lower part of the magnetic ring column is connected with the connecting part of the rotary table;

in the steering valve for spinning, the rotating shaft hole is arranged in the middle of the magnetic ring column and penetrates through the whole magnetic rotor;

in the steering valve for spinning, a pair of magnetic poles, namely an N pole and an S pole, is arranged on the magnetic ring column;

in the steering valve for textile use, the housing comprises a first sealing step, a first internal thread section matched with the first external thread section, a rotary disc valve cavity matched with the steering disc, a rotor valve cavity matched with the magnetic rotor, a second internal thread section matched with the second external thread section, and a second sealing step;

in the above steering valve for textile, the first sealing step, the first internal thread section, the rotary table valve cavity, the rotor valve cavity, the second internal thread section and the second sealing step are arranged in sequence.

In order to overcome one or more of the above objects, according to another aspect of the present invention, there is provided a method of manufacturing a steering valve for textile use as described above, comprising the steps of:

(1) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water inlet seat; or obtaining a water inlet seat blank in a precision casting mode, and then machining the water inlet seat blank to obtain a water inlet seat;

(2) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water outlet seat; or obtaining a water outlet base blank in a precision casting mode, and then machining the water outlet base blank to obtain a water outlet base;

(3) Machining a stainless steel pipe or a stainless steel bar to obtain a shell;

(4) Taking ferrite powder or neodymium iron boron powder as a raw material, and obtaining a magnetic rotor through an injection molding or sintering process;

(5) Taking rubber as a raw material, and obtaining a steering wheel by a mould pressing process;

(6) Embedding a second sealing ring into a second sealing ring groove of the water inlet seat; fixing the water inlet seat on the shell through a second external thread section of the water inlet seat and a second internal thread section of the shell;

(7) Embedding a first sealing ring into a first sealing ring groove of the water outlet seat;

(8) Fixing the central shaft in the central positioning blind hole of the water outlet seat in an interference fit mode or a glue fixing mode;

(9) Fixing a limiting shaft in a limiting hole of the water outlet seat in an interference fit mode or a glue fixing mode;

(10) The magnetic rotor is connected with the steering wheel through a rotary table connecting part on the magnetic rotor and a rotor connecting part on the steering wheel, and then the magnetic rotor is sleeved into a rotating shaft on the water inlet seat through a rotating shaft hole on the magnetic rotor;

(11) Aligning a limiting groove on the steering wheel with the limiting shaft; subsequently, the water outlet seat is fixed on the shell through the first external thread section of the water outlet seat and the first internal thread section of the shell;

(12) And finally, sleeving and fixing the stator on the outer wall of the shell.

Compared with the prior art, the invention has the following beneficial effects:

according to the steering valve for spinning, provided by the invention, the rubber characteristic of the steering wheel is utilized, and the first sealing end face of the water outlet seat is tightly attached to the second sealing end face of the steering wheel, so that the water leakage phenomenon is hardly caused;

the magnetic rotor and the steering wheel are light in weight, so that the rotational inertia is small; and the shock resistance is high through the rubber characteristic of the steering wheel. Therefore, the service life of each part is reliably guaranteed, and the maintenance cost is greatly reduced;

according to the invention, the phenomenon of external leakage is avoided all the time by the sealing mode of the sealing ring of the valve body assembly;

according to the manufacturing method of the steering valve for spinning, which is provided by the invention, the single-component manufacturing mode of the original steering valve for spinning is abandoned, and the driving mechanism adopts an electrical isolation mode, namely, the stator is arranged on the outer wall of the shell, the magnetic rotor is arranged in the shell, and a certain movable gap is always formed between the outer wall of the magnetic rotor and the inner wall of the shell, so that the magnetic rotor can rotate under the action of electromagnetic induction; the connection part of the magnetic rotor and the magnetic ring are obtained in an integrated injection molding mode, and other parts are not required to be added; the steering wheel is obtained by a molding process, and the second sealing end surface is not required to be ground.

The manufacturing method of the steering valve for spinning reduces the manufacturing cost, improves the reliability of product quality and improves the production efficiency.

Drawings

The invention is further described with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the water outlet base of the present invention;

FIG. 3 is a schematic plan view of the water outlet base of the present invention;

FIG. 4 is a schematic structural view of the outlet assembly of the present invention;

FIG. 5 is a schematic plan view of the water inlet seat of the present invention;

FIG. 6 is a first schematic view of a steering wheel according to the present invention;

FIG. 7 is a second structural view of a steering wheel according to the present invention;

FIG. 8 is a schematic plan view D of a steering wheel according to the present invention;

FIG. 9 is a schematic cross-sectional view D-D of a schematic plan view D of the steering wheel of the present invention;

FIG. 10 is a schematic view of a magnetic rotor according to the present invention;

FIG. 11 is a schematic plan view B of a magnetic rotor according to the present invention;

FIG. 12 is a schematic cross-sectional view B-B of a schematic plan view B of a magnet rotor according to the present invention;

FIG. 13 is a schematic plan view of the housing of the present invention;

in the figure, the position of the first and second end faces,

1-a water outlet seat, 101-a first guide part, 102-a central positioning blind hole, 103-a limiting hole, 104-a first external thread section, 105-a first sealing ring groove, 106-a water outlet pipe, 107-a water outlet hole, 108-a first sealing end face;

2-a water inlet seat, 201-a second guide part, 202-a second external thread section, 203-a second sealing ring groove, 204-a water inlet pipe, 205-a rotating shaft, 206-a water guide hole;

3-shell, 301-first sealing step, 302-first internal thread section, 303-rotary disc valve cavity, 304-rotor valve cavity,

305-a second internal thread segment, 306-a second sealing step;

4-magnetic rotor, 401-magnetic ring column, 402-rotary table connecting part, 4021-magnetic pole positioning parts A and 4022-steering positioning parts A and 4023-connecting ring and 403-rotating shaft hole;

5-a steering wheel, 501-a rotor connecting part, 5011-a steering positioning part B, 5012-a magnetic pole positioning part B, 502-a flow guide column, 5021-a flow injection ring groove, 5022-a flow guide hole, 50221-a water inlet side, 50222-a water outlet side, 5023-a steering flow channel, 5024-a limiting groove, 50241-a first limiting point, 50242-a second limiting point, 5025-a second sealing end face and 5026-a central shaft hole;

6-a stator;

7-central axis;

8-a second sealing ring;

9-a first sealing ring;

10-a limit shaft.

Detailed Description

The invention is described in detail below with the aid of exemplary embodiments with reference to the attached drawings. The following detailed description of the invention is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.

Referring to fig. 1 with additional reference to fig. 2 to 13, a steering valve for spinning according to an exemplary embodiment of the present invention includes: the steering valve comprises a valve body assembly, a driving mechanism, a central shaft 7, a limiting shaft 10 and a steering wheel 5;

the valve body assembly comprises a shell 3, a water inlet seat 2 and a water outlet seat 1, wherein the water inlet seat 2 is fixed at one end of the shell 3, and the water outlet seat 1 is fixed at the other end of the shell 3;

the driving mechanism comprises a stator 6 and a magnetic rotor 4, wherein the magnetic rotor 4 is embedded in the rotating shaft 205 of the water inlet seat 2 through the rotating shaft hole 403 and is arranged in the shell 3; the stator 6 is fixed on the outer wall of the shell 3, and the position of a magnetic field generated by electrifying the stator 6 corresponds to the magnetic field generated by the magnetic rotor 4;

wherein, the lower part of the magnetic rotor 4 is connected with a steering wheel 5;

wherein, the steering wheel 5 is embedded into the central shaft 7 through the central shaft hole 5026;

wherein, the central shaft 7 is fixed at the right center of the water outlet seat 1;

wherein, the limiting shaft 10 is fixed on the periphery of the center of the water outlet seat 1.

The water outlet base 1 is further explained with reference to fig. 2 and 3 and additionally with reference to fig. 4.

In the preferred embodiment, the water outlet seat 1 comprises a first guiding part 101, a central positioning blind hole 102 is arranged at the center of the first guiding part 101,

in a preferred embodiment, a limiting hole 103 matched with the limiting shaft 10 is arranged on the periphery of the central positioning blind hole 102;

in a preferred embodiment, a first external thread section 104 is arranged on the outer circle of the first guide part 101, a first sealing ring groove 105 is arranged below the first external thread section 104, two water outlet pipes 106 are arranged below the first sealing ring groove 105, and the two water outlet pipes 106 are symmetrical in position;

in a preferred embodiment, the first guiding portion 101 is further provided with two water outlet holes 107, and the two water outlet holes 107 are communicated with the two water outlet pipes 106;

in the preferred embodiment, the two water outlet holes 107 and the limiting hole 103 are arranged on the same reference circle, so that the design is convenient and reliable, precise and complex calculation is not needed, and the size holding performance is higher;

in a preferred embodiment, the upper end surface of the first guide part 101 is a first sealing end surface 108, and the flatness of the first sealing end surface 108 is in the range of 0-0.1 mm, and if the precision of the grinding equipment can be ensured, the flatness of the first sealing end surface 108 is in the range of 0-0.01 mm, which is beneficial to reducing the risk of internal leakage; the first sealing end surface 108 is connected with the two water outlet holes 107, the limiting hole 103 and the central positioning blind hole 102.

With reference to fig. 5, and with additional reference to fig. 1, the water inlet seat 2 described above is further illustrated.

In a preferred embodiment, the water inlet seat 2 comprises a second guide part 201, a second external thread section 202 is arranged on the outer circle of the second guide part 201, a second sealing ring groove 203 is arranged above the second external thread section 202, and a water inlet pipe 204 is arranged above the second sealing ring groove 203;

in a preferred embodiment, the lower portion of the second guide portion 201 is connected to a rotating shaft 205, a water guide hole 206 is formed in the rotating shaft 205, and the water guide hole 206 is communicated with the water inlet pipe 204. In order to ensure that the water coming from the water inlet pipe 204 rapidly flows into the outlet of one of the water outlet pipes 106, the outlet of the water guide hole 206 is formed in a bell mouth shape.

The steering wheel 5 described above is further explained with reference to fig. 6 to 9, with additional reference to fig. 1.

The steering wheel 5 comprises a rotor connecting part 501 and a guide column body 502, wherein the rotor connecting part 501 is arranged above the guide column body 502 and is connected with the guide column body 502;

in a preferred embodiment, the flow guiding cylinder 502 comprises a flow injection ring groove 5021, a flow guiding hole 5022, a turning flow channel 5023, a limiting groove 5024 matched with the limiting shaft 10, and a second sealing end 5025 matched with the first sealing end 108; the injection ring groove 5021 is connected with the rotor connecting part 501; a water inlet side 50221 of the diversion hole 5022 is communicated with a flow injection ring groove 5021, and a water outlet side 50222 is communicated with a diversion flow channel 5023;

in a preferred embodiment, the number of the diversion holes 5022 is 2, and the diversion holes 5022 are on both sides of the diversion channel 5023; the purpose of the arrangement is as follows: the flow passage way is shortened, and the valve resistance is reduced. When one of the water outlet holes 107 is closed, one of the water guiding holes 5022 corresponds to the other water outlet hole 107, so that water from the water inlet pipe 204 rapidly flows into the water injection ring groove 5021, and then rapidly flows from the water injection ring groove 5021 into the water outlet hole 107 through the water guiding hole 5022.

In a preferred embodiment, the turning flow channel 5023 is symmetrical with the limit groove 5024; the second sealing end face 5025 is arranged below the steering runner 5023 and the limit groove 5024 and is connected with the steering runner 5023;

in a preferred embodiment, a central axial bore 5026 extends through the center of the flow post 502;

in a preferred embodiment, the limit groove 5024 comprises a first limit point 50241 and a second limit point 50242, and the first limit point 50241 and the second limit point 50242 are symmetrical in position and have an included angle of 30-60 °. The smaller the included angle is, the smaller the angular displacement is, and the more favorable the switching response frequency is.

The above-described magnetic rotor 4 is further explained with reference to fig. 10 to 12, with additional reference to fig. 1.

The magnetic rotor 4 comprises a magnetic ring column 401, a rotary disc connecting part 402 matched with the rotor connecting part 501 and a rotating shaft hole 403 matched with the rotating shaft 205;

in a preferred embodiment, the lower part of the magnetic ring column 401 is connected with the turntable connecting part 402;

in the preferred embodiment, the rotation shaft hole 402 is disposed in the middle of the magnetic ring column 401 and penetrates through the entire magnetic rotor 4;

in the preferred embodiment, a pair of magnetic poles, N and S, are provided on the magnetic ring column 401.

The present invention provides a preferable solution and is implemented in order to provide a connection manner of the steering wheel 5 and the magnetic rotor 4 and a magnetic pole recognizing direction, but the present invention is not limited thereto.

Referring to fig. 6, in a preferred embodiment, the rotor connecting part 501 includes a steering positioning part B5011 and a magnetic pole positioning part B5012, wherein the center line of the steering positioning part B5011 is parallel to the center line of the spacing groove 5024, the magnetic pole positioning part B5012 is near to the steering positioning part B5011, and for better cushioning effect, the number of the magnetic pole positioning parts B5012 is two, and the two magnetic pole positioning parts B5012 are distributed on both sides of the steering positioning part B5011 and are symmetrically located.

In a preferred embodiment, the structure of the steering positioning portion B5011 and the magnetic pole positioning portion B5012 is provided as a recessed structure.

Referring to fig. 10, in a preferred embodiment, the turntable attachment 402 includes a steering positioning portion a 4022 that mates with the steering positioning portion B5011, and a magnetic pole positioning portion a 4021 that mates with the magnetic pole positioning portion B5012; in the present embodiment, steering positioning portion a 4022 and magnetic pole positioning portion a 4021 are of a convex structure.

In a preferred embodiment, the magnetic pole direction of the magnetic ring column 401 is perpendicular or parallel to the centerline of the steering positioning portion a 4022.

In this embodiment, the magnetic rotor 4 and the steering wheel 5 are coupled together in a snap coupling manner by the above-described design structures of the rotor coupling portion 501 and the turntable coupling portion 402.

As will be described in detail below, when the magnetic pole direction is perpendicular to the center line of the steering positioning portion a 4022, the stator mounting direction is parallel to the central horizontal line of the two water outlet pipes 106; when the magnetic pole direction is parallel to the central line of the steering positioning part A4022, the stator installation direction is vertical to the central horizontal line of the two water outlet pipes 106; the stator mounting directions may not be perfectly vertical or parallel within the allowable range of the switching response frequency.

Referring to fig. 13, the housing 3 will be further described with additional reference to fig. 1.

The housing 3 comprises a first sealing step 301, a first internal thread section 302 matching the first external thread section 104, a rotary disc valve chamber 303 matching the steering wheel 5, a rotor valve chamber 304 matching the magnetic rotor 4, a second internal thread section 305 matching the second external thread section 202, and a second sealing step 306;

in the preferred embodiment, the first sealing step 301, the first internally threaded section 302, the rotary disc valve chamber 303, the rotor valve chamber 304, the second internally threaded section 305, and the second sealing step 306 are arranged in sequence.

The specific working principle of the present invention is further explained according to the above specific embodiments:

when the stator 6 is energized, the resulting magnetic field interacts with the magnetic field produced by the magnetic rotor 4, driving the steering wheel 5 into angular displacement motion. When the first limit point 50241 is in contact with the limit shaft 10, water in the water inlet pipe 204 quickly flows into the water injection ring groove 5021 through the water guide hole 206, then flows into the first water outlet 107 through the first water guide hole 5022, and the second water outlet 107 is closed; when the current direction of the stator 6 is opposite to the original direction, the steering wheel 5 is driven to move in the opposite direction, when the second limit point 50242 contacts with the limit shaft 10, water in the water inlet pipe 204 is rapidly injected into the injection ring groove 5021 through the water guide hole 206, and then flows into the second water outlet 107 through the second water guide hole 5022, and the first water outlet 107 is closed.

In connection with the above embodiments, a method of manufacturing a steering valve for textile use of a typical structure is described as follows.

(1) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water inlet seat 2; or obtaining a water inlet seat blank in a precision casting mode, and then machining the water inlet seat blank to obtain a water inlet seat 2;

the material preferably selected in the embodiment is tin bronze, the material has good wear resistance and corrosion resistance, the surface of the part machined by the machine is smooth, the abrasion loss is reduced, the service life of the part is prolonged, and the machining cost is low.

(2) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water outlet base 1; or obtaining a water outlet base blank in a precision casting mode, and then machining the water outlet base blank to obtain a water outlet base 1;

in a preferred embodiment, the water outlet base 1 is obtained by precision casting to obtain a water outlet base blank, then the water outlet base blank is further machined by a corresponding fixture, and finally the first sealing end face 108 on the water outlet base 1 is ground by a grinding device, so that the flatness of the first sealing end face 108 is within 0.01mm, and the surface is smooth. The method for obtaining the parts can be used for batch production, saves materials, reduces cutting amount, reduces material cost and improves production efficiency.

(3) Machining a stainless steel tube or a stainless steel bar to obtain a shell 3; in the preferred embodiment, by precisely machining with a proper stainless steel tube material, the material waste is less, the cost is low, the machining size is stable, and the improvement of the product quality and the product yield are facilitated.

(4) Ferrite powder or neodymium iron boron powder is used as a raw material, and a magnetic rotor 4 is obtained through an injection molding or sintering process;

the preferred material in this implementation is ferrite material, adopt the process of moulding plastics to obtain the magnetic rotor 4, because the ferrite is with low costs, the corrosion resistance is good in underwater, under guaranteeing not influencing and switching response frequency and anti-fatigue strength, the preferred ferrite; and secondly, an injection molding process is adopted because the process can ensure the dimensional stability, and a blank is required to be obtained in the sintering process and is processed, so that the processing is very troublesome and the shape and structure cannot be greatly ensured. Therefore, injection molding processes are preferred.

(5) Taking rubber as a raw material, and obtaining a steering wheel 5 by a mould pressing process; the preferred rubber material in this embodiment is NBR or HNBR, and the steering wheel 5 is obtained by a molding process, which can ensure good dimensional stability, low shrinkage, little material waste, and high production efficiency. Therefore, the second seal end face 5025 of the steering wheel 5 is ensured by corresponding mold precision without grinding, and the manufacturing cost is further reduced; finally, the sealing effect is better by utilizing the characteristic of the rubber material, namely, the elastic deformation is generated under the condition of water pressure.

The steps (1) to (5) have no requirement on the sequence.

As shown in fig. 1, 5, and 13, the following assembly step (6) is performed:

(6) Embedding a second sealing ring into a second sealing ring groove 203 of the water inlet seat 2; then the water inlet seat 2 is fixed on the shell 3 through the second external thread section 202 of the water inlet seat 2 and the second internal thread section 305 of the shell 3;

with reference to fig. 1 to 4, the following assembly steps (7) to (9) are carried out, and the assembly sequence is not required:

(7) The first sealing ring 8 is embedded into the first sealing ring groove 105 of the water outlet base 1;

(8) The central shaft 7 is fixed in the central positioning blind hole 102 of the water outlet seat 1 in an interference fit mode or a glue fixing mode;

(9) Fixing the limiting shaft 10 in the limiting hole 103 of the water outlet base 1 in an interference fit manner or a glue fixing manner;

the steps (8) and (9) adopt 801 anaerobic adhesive to fix the central shaft 7 and the limiting shaft 10 in the embodiment.

Referring to fig. 1 to 13, the next assembly steps (10) to (12) are performed, and the steps (10), (11) and (12) are performed in this order.

(10) The magnetic rotor 4 and the steering wheel 5 are connected together through a turntable connecting part 401 on the magnetic rotor 4 and a rotor connecting part 501 on the steering wheel 5, and then sleeved into the rotating shaft 205 on the water inlet seat 2 through a rotating shaft hole 403 on the magnetic rotor 4;

(11) Aligning a limit groove 5024 on the steering wheel 5 with a limit shaft 10; subsequently, the water outlet base 1 is fixed on the shell 3 through the first external thread section 104 of the water outlet base 1 and the first internal thread section 302 of the shell 3;

(12) Finally, the stator 6 is sleeved and fixed on the outer wall of the shell 3.

According to the embodiment, the textile steering valve provided by the invention is greatly changed on the basis of the original structure design, so that the product structure is more reasonable, and the manufacturing cost is lower. And the quick-wear part is convenient to replace by adopting a threaded fixing mode, and the cost of the quick-wear part is low. Through the static sealing mode of the two sealing rings, the service life of the parts is longer, abrasion is not easy to occur, and the condition of external leakage almost does not exist. The axial sealing mode is adopted, the series flow phenomenon inside the valve body is realized by utilizing the characteristics of rubber, and the axial sealing mode has the automatic compensation function.

The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.

Claims (7)

1. A textile steering valve is characterized in that: comprises a valve body component, a driving mechanism, a central shaft (7), a limiting shaft (10) and a steering wheel (5);

the valve body assembly comprises a shell (3), a water inlet seat (2) and a water outlet seat (1), the water inlet seat (2) is fixed at one end of the shell (3), and the water outlet seat (1) is fixed at the other end of the shell (3);

the driving mechanism comprises a stator (6) and a magnetic rotor (4), and the magnetic rotor (4) is embedded in a rotating shaft (205) of the water inlet seat (2) through a rotating shaft hole (403) and is arranged in the shell (3); the stator (6) is fixed on the outer wall of the shell (3), and the position of a magnetic field generated by electrifying the stator (6) corresponds to the magnetic field generated by the magnetic rotor (4);

the lower part of the magnetic rotor (4) is connected with the steering wheel (5); the steering wheel (5) is embedded into the central shaft (7) through the central shaft hole (5026);

the central shaft (7) is fixed in the center of the water outlet base (1); the limiting shaft (10) is fixed on the periphery of the center of the water outlet seat (1).

2. A textile diverter valve as defined in claim 1, wherein:

the water outlet seat (1) comprises a first guide part (101), a central positioning blind hole (102) matched with the central shaft (7) is formed in the center of the first guide part (101), and a limiting hole (103) matched with the limiting shaft (10) is formed in the periphery of the central positioning blind hole (102);

a first external thread section (104) is arranged on the excircle of the first guide part (101), a first sealing ring groove (105) is arranged below the first external thread section (104), two water outlet pipes (106) are arranged below the first sealing ring groove (105), and the two water outlet pipes (106) are symmetrical in position;

the first guide part (101) is also provided with two water outlet holes (107), and the two water outlet holes (107) are communicated with the two water outlet pipes (106) and are on the same graduated circle;

the upper end face of the first guide part (101) is a first sealing end face (108).

3. A textile diverter valve as defined in claim 1, wherein:

the water inlet seat (2) comprises a second guide part (201), a second external thread section (202) is arranged on the outer circle of the second guide part (201), a second sealing ring groove (203) is arranged above the second external thread section (202), and a water inlet pipe (204) is arranged above the second sealing ring groove (203);

the lower part of the second guide part (201) is connected with the rotating shaft (205), a water guide hole (206) is formed in the rotating shaft (205), and the water guide hole (206) is communicated with the water inlet pipe (204).

4. A textile diverter valve according to claim 2, wherein:

the steering wheel (5) comprises a rotor connecting part (501) and a guide column body (502), and the rotor connecting part (501) is arranged above the guide column body (502) and connected with the guide column body;

the flow guide column body (502) comprises a flow injection ring groove (5021), a flow guide hole (5022), a steering flow channel (5023), a limit groove (5024) matched with the limit shaft (10), and a second sealing end face (5025) matched with the first sealing end face (108);

the injection ring groove (5021) is connected with the rotor connecting part (501);

the water inlet side (50221) of the diversion hole (5022) is communicated with the flow injection ring groove (5021), and the water outlet side (50222) is communicated with the steering flow channel (5023); the number of the diversion holes (5022) is 2, and the diversion holes (5022) are arranged on two sides of the steering flow channel (5023);

the steering runner (5023) is symmetrical to the position of the limit groove (5024); the second sealing end face (5025) is arranged below the steering flow channel (5023) and the limit groove (5024);

the central shaft hole (5026) penetrates through the center of the guide column (502);

the limiting groove (5024) comprises a first limiting point (50241) and a second limiting point (50242), the first limiting point (50241) and the second limiting point (50242) are symmetrical in position, and the included angle is 30-60 degrees.

5. A textile diverter valve as defined in claim 1, wherein:

the magnetic rotor (4) comprises a magnetic ring column (401), a rotary disc connecting part (401) matched with the rotor connecting part (501), and a rotating shaft hole (403) matched with the rotating shaft (205);

the lower part of the magnetic ring column (401) is connected with the turntable connecting part (401);

the rotating shaft hole (403) is arranged in the middle of the magnetic ring column (401) and penetrates through the whole magnetic rotor (4);

a pair of magnetic poles, namely an N pole and an S pole, is arranged on the magnetic ring column (401).

6. A textile diverter valve as defined in claim 1, wherein: the shell (3) comprises a first sealing step (301), a first internal thread section (302) matched with the first external thread section (104), a rotary disc valve cavity (303) matched with the steering disc (5), a rotor valve cavity (304) matched with the magnetic rotor (4), a second internal thread section (305) matched with the second external thread section (202) and a second sealing step (306);

the first sealing step (301), the first internal thread section (302), the rotary disc valve cavity (303), the rotor valve cavity (304), the second internal thread section (305) and the second sealing step (306) are sequentially arranged.

7. A manufacturing method of a textile steering valve is characterized by comprising the following steps:

(1) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water inlet seat (2); or obtaining a water inlet seat (2) blank in a precision casting mode, and then machining the water inlet seat (2) blank to obtain a water inlet seat (2);

(2) Taking a stainless steel round bar or a copper alloy as a raw material, and carrying out mechanical processing on the stainless steel round bar or the copper alloy to obtain a water outlet seat (1); or obtaining a water outlet base (1) blank in a precision casting mode, and then machining the water outlet base (1) blank to obtain a water outlet base (1);

(3) Machining a stainless steel pipe or a stainless steel bar to obtain a shell (3);

(4) Ferrite powder or neodymium iron boron powder is used as a raw material, and a magnetic rotor (4) is obtained through an injection molding or sintering process;

(5) Taking rubber as a raw material, and obtaining a steering wheel (5) by a mould pressing process;

(6) Embedding a second sealing ring (8) into a second sealing ring groove (203) of the water inlet seat (2); then the water inlet seat (2) is fixed on the shell (3) through a second external thread section (202) of the water inlet seat (2) and a second internal thread section (305) of the shell (3);

(7) Embedding a first sealing ring (9) into a first sealing ring groove (105) of the water outlet base (1);

(8) Fixing a central shaft (7) in a central positioning blind hole (102) of the water outlet base (1) in an interference fit mode or a glue fixing mode;

(9) Fixing a limiting shaft (10) in a limiting hole (103) of the water outlet base (1) in an interference fit mode or a glue fixing mode;

(10) The magnetic rotor (4) and the steering wheel (5) are connected together through a turntable connecting part (401) on the magnetic rotor (4) and a rotor connecting part (501) on the steering wheel (5), and then the magnetic rotor (4) is sleeved into a rotating shaft (205) on the water inlet seat (2) through a rotating shaft hole (403) on the magnetic rotor (4);

(11) Aligning a limiting groove (5024) on the steering wheel (5) with the limiting shaft (10); subsequently, the water outlet base (1) is fixed on the shell (3) through a first external thread section (104) of the water outlet base (1) and a first internal thread section (302) of the shell (3);

(12) And finally, the stator (6) is sleeved and fixed on the outer wall of the shell (3).

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