CN219568349U - Flow restrictor, flow control valve and washing machine - Google Patents
Flow restrictor, flow control valve and washing machine Download PDFInfo
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- CN219568349U CN219568349U CN202320292235.7U CN202320292235U CN219568349U CN 219568349 U CN219568349 U CN 219568349U CN 202320292235 U CN202320292235 U CN 202320292235U CN 219568349 U CN219568349 U CN 219568349U
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- restrictor
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- bracket
- flow restrictor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model relates to a flow restrictor, a flow control valve and a washing machine, wherein the flow restrictor comprises a flow restrictor bracket and a diaphragm, the diaphragm is arranged on the flow restrictor bracket, the diaphragm can surround the flow restrictor bracket and is provided with a plurality of inflow channels, and the plurality of inflow channels are arranged at intervals along the circumferential direction of the diaphragm; the flow restrictor bracket is provided with a flow guide surface and a flow blocking surface, the flow blocking surface can be combined with the flow guide surface and is provided with a flow guide channel, and the flow guide channel is communicated with a plurality of flow inlet channels and is used for guiding a medium led in by the flow inlet channels to be discharged from the flow restrictor bracket; the flow blocking surface is arranged to be of a conical surface structure, and can guide a medium in the flow guiding channel to flow to the membrane so as to impact the membrane. When the flow restrictor works, the diaphragm can slow down the flow velocity of the medium under the combined action of the pressure of the medium inside and outside, and meanwhile, the medium is conveniently guided out of the flow restrictor bracket, so that the flow restrictor has the effect of reducing the noise generated in the process of passing the medium through the flow restrictor.
Description
Technical Field
The utility model belongs to the technical field related to flow control, and particularly relates to a flow restrictor, a flow control valve and a washing machine.
Background
The flow restrictor is applied to the flow control valve and used for slowing down the flow rate of the medium passing through the flow restrictor so as to meet the use requirement of the flow control valve on the medium flow control during working.
The flow restrictor comprises a flow restrictor bracket and a diaphragm, wherein the medium can squeeze the diaphragm to deform in the process of passing through the flow restrictor, and the purpose of reducing the flow velocity of the medium is realized by utilizing the interaction between the medium and the diaphragm. At present, a diversion channel for guiding out a medium by a current limiter bracket in the current limiter is usually set as a right-angle channel, so that the medium directly impacts the inner wall of the current limiter bracket in the process of passing through the current limiter bracket, and thus howling can be generated in the process of passing through the current limiter, namely, certain noise can be generated in the operation of the current limiter.
Disclosure of Invention
In view of the above, there is a need for a flow restrictor, a flow control valve, and a washing machine that solve the above-described problems.
A restrictor for reducing the flow rate of a medium passing through the restrictor; the flow restrictor comprises a flow restrictor bracket and a diaphragm, wherein the diaphragm is arranged on the flow restrictor bracket, and a plurality of inflow channels are formed by surrounding the diaphragm and the flow restrictor bracket and are arranged at intervals along the circumferential direction of the diaphragm; the flow restrictor bracket is provided with a flow guide surface and a flow blocking surface, the flow blocking surface is combined with the flow guide surface and is provided with a flow guide channel, and the flow guide channel is communicated with a plurality of flow inlet channels and is used for guiding a medium guided by the flow inlet channels to be discharged from the flow restrictor bracket;
the flow blocking surface is in a conical surface structure, and can guide a medium in the flow guiding channel to flow to the membrane so as to impact the membrane.
In the utility model, the medium led into the restrictor bracket through the inflow channel is guided by the guide surface, and more medium is guided by the baffle surface with a conical surface structure to flow to and impact the membrane, in the process, the membrane can slow down the flow speed of the medium under the combined action of the pressure of the medium inside and outside, and meanwhile, the medium is conveniently led out from the restrictor bracket, so that the utility model has the effect of reducing the noise generated in the process of passing the medium through the restrictor.
In one embodiment, the channel opening of the flow guide channel decreases gradually from a direction away from the membrane.
It can be appreciated that the channel caliber of the diversion channel is gradually reduced from the direction away from the diaphragm, so that an embodiment of the structure that the diversion surface and the baffle surface are arranged on the restrictor bracket together is realized.
In one embodiment, the baffle surface is inclined at an angle of 14 ° to 16 ° relative to the diaphragm along the axial direction of the diaphragm.
It will be appreciated that the baffle surface is set at an angle of 14 to 16 relative to the diaphragm, thereby embodying an embodiment in which the baffle surface is structurally disposed on the restrictor bracket.
In one embodiment, the restrictor bracket is further formed with a plurality of bosses, the bosses are sequentially arranged at intervals along the circumferential direction of the diaphragm, and two adjacent bosses can jointly surround the restrictor bracket and the diaphragm and form the inflow channel;
along the radial direction of the diaphragm, the projection of the baffle surface towards the boss can cover the boss.
It will be appreciated that by the above-described structural arrangement, it is ensured that the medium introduced via the inflow channel can impinge directly on the flow-blocking surface.
In one embodiment, the flow guiding surface comprises a first flow guiding portion, a flow guiding connecting portion and a second flow guiding portion, the first flow guiding portion and the second flow guiding portion are both arranged in an inclined plane structure, the flow guiding connecting portion is arranged in an arc surface structure, and the first flow guiding portion and the second flow guiding portion can be in transitional connection through the flow guiding connecting portion.
It can be appreciated that the structural arrangement of the guide surface is specifically realized through the structural arrangement of the first guide portion, the guide connecting portion and the second guide portion.
In one embodiment, an inclination angle of the first diversion portion relative to the diaphragm is set to be 40 ° to 50 ° along an axial direction of the diaphragm.
It can be understood that the inclination angle of the first flow guiding part relative to the membrane is set to be 40-50 degrees, so that an embodiment of structural arrangement of the first flow guiding part on the restrictor bracket is specifically realized.
In one embodiment, an inclination angle of the second flow guiding portion with respect to the diaphragm is set to be 9 ° to 11 ° along an axial direction of the diaphragm.
It can be understood that the inclination angle of the second flow guiding part relative to the membrane is set to 9-11 degrees, so that an embodiment of structural arrangement of the second flow guiding part on the restrictor bracket is specifically realized.
In one embodiment, the restrictor bracket further has a diaphragm mounting portion formed thereon, the diaphragm being mountable to the restrictor bracket by the diaphragm mounting portion;
wherein, the diaphragm installation department is last to be offered the through-hole, the through-hole runs through the flow restrictor support sets up.
It can be understood that the diaphragm is sleeved on the diaphragm mounting part, so that the assembly connection between the diaphragm and the restrictor bracket is realized, and the medium led into the restrictor can be directly discharged through the through hole by arranging the through hole on the diaphragm mounting part, so that the minimum flow rate of the restrictor during operation is ensured.
The utility model also claims a flow control valve comprising a flow control valve body and the restrictor, wherein the restrictor is arranged in the flow control valve body and used for slowing down the flow rate of medium introduced into the flow control valve body.
In the utility model, the flow rate of the medium is stabilized by the structure setting of the flow restrictor and by utilizing the slowing action of the flow restrictor on the flow rate of the medium, so that the flow control valve has the effects of improving the stability of flow control when the flow control valve works and reducing working noise.
The utility model also discloses a washing machine, which comprises a washing machine body and the flow control valve, wherein the flow control valve is arranged on the washing machine body.
In the utility model, the stability of the water inflow rate of the washing machine during operation can be improved and the water inflow noise can be reduced by the structural arrangement of the flow control valve.
Compared with the prior art, the utility model has the following beneficial effects:
the flow restrictor, the flow control valve and the washing machine claimed by the utility model use the flow guide surface to guide the medium which is guided into the restrictor bracket through the flow inlet channel, and use the flow blocking surface of the conical surface structure to guide more medium to flow to and impact the membrane, in the process, the membrane can slow down the flow velocity of the medium under the combined action of the pressure of the medium inside and outside, and simultaneously, the medium is conveniently guided out from the restrictor bracket, thereby having the effect of reducing the noise generated in the process of the medium passing through the restrictor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a cross-sectional view of a restrictor provided in an embodiment of the present utility model;
FIG. 2 is a schematic view of a restrictor bracket according to the present utility model;
FIG. 3 is a cross-sectional view of a restrictor bracket of the present utility model;
FIG. 4 is a cross-sectional view of a flow control valve according to one embodiment of the present utility model.
Reference numeral, 100, restrictor; 10. a restrictor bracket; 11. a flow guiding surface; 111. a first flow guiding part; 112. a diversion connection part; 113. a second flow guiding part; 12. a flow blocking surface; 13. a boss; 14. a diaphragm mounting portion; 141. a through hole; 20. a membrane; 101. an inflow channel; 102. a diversion channel; 200. a flow control valve body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The restrictor 100 claimed in the present utility model is used to slow down the flow of media through the restrictor 100, and the restrictor 100 may be used in a flow control valve for a washing machine, although it will be understood by those skilled in the art that the restrictor 100 may be used in other devices, such as a flow control valve for a dishwasher, etc., depending on the application.
As shown in fig. 1, an embodiment of the present utility model provides a flow restrictor 100, including a flow restrictor bracket 10 and a diaphragm 20, wherein the diaphragm 20 is mounted on the flow restrictor bracket 10, and the diaphragm 20 can surround the flow restrictor bracket 10 and form a plurality of inflow channels 101, and the plurality of inflow channels 101 are arranged at intervals along a circumferential direction of the diaphragm 20; the flow restrictor bracket 10 is provided with a flow guiding surface 11 and a flow blocking surface 12, the flow blocking surface 12 can be surrounded with the flow guiding surface 11 and is provided with a flow guiding channel 102, and the flow guiding channel 102 is communicated with a plurality of flow inlet channels 101 and is used for guiding a medium led in by the flow inlet channels 101 to be discharged from the flow restrictor bracket 10; the baffle surface 12 is configured as a conical surface structure, and the baffle surface 12 is capable of guiding the medium in the flow guiding channel 102 to flow toward the diaphragm 20 to impact the diaphragm 20.
It will be appreciated that when the restrictor 100 is in operation, the flow guiding surface 11 can be used to guide the medium introduced into the restrictor bracket 10 through the inflow channel 101, and the flow blocking surface 12 with conical surface structure can be used to guide more medium to flow to and impact the diaphragm 20, in the process, the diaphragm 20 can slow down the flow rate of the medium under the combined action of the internal and external medium pressure; at the same time, media is also conveniently directed out of the restrictor support 10, which has the effect of reducing the concomitant generation of contrast during the passage of media through the restrictor 100.
Wherein the channel opening of the flow guide channel 102 on the restrictor bracket 10 gradually decreases from the direction away from the diaphragm 20.
As shown in fig. 2 and 3, the flow guiding surface 11 includes a first flow guiding portion 111, a flow guiding connecting portion 112 and a second flow guiding portion 113, the first flow guiding portion 111 and the second flow guiding portion 113 are both provided with an inclined surface structure, the flow guiding connecting portion 112 is provided with an arc surface structure, and the first flow guiding portion 111 and the second flow guiding portion 113 can be in transitional connection through the flow guiding connecting portion 112, so that the structural arrangement of the flow guiding surface 11 is specifically realized.
The inclination angle of the first flow guiding portion 111 with respect to the diaphragm 20 along the axial direction of the diaphragm 20 is set to be 40 ° to 50 °, preferably 45 °, so that an embodiment in which the first flow guiding portion 111 on the flow guiding surface 11 is structurally disposed on the restrictor bracket 10 is specifically realized.
The inclination angle of the second flow guiding portion 113 with respect to the diaphragm 20 is set to 9 ° to 11 °, preferably 10 °, along the axial direction of the diaphragm 20, so that an embodiment in which the second flow guiding portion 113 on the flow guiding surface 11 is structurally disposed on the restrictor bracket 10 is specifically realized.
The baffle surface 12 is inclined at an angle of 14 ° to 16 °, preferably 15 °, relative to the diaphragm 20 along the axial direction of the diaphragm 20, thus embodying an embodiment of the structural arrangement of the baffle surface 12 on the restrictor bracket 10.
As shown in fig. 3, the restrictor bracket 10 is further formed with a plurality of bosses 13, the plurality of bosses 13 are sequentially spaced apart along the circumferential direction of the diaphragm 20, and two adjacent bosses 13 can be combined with the restrictor bracket 10 and the diaphragm 20 to form an inflow channel 101.
It should be noted that, the membrane 20 can specifically abut against a portion of the boss 13, and specifically, the cross section of the boss 13 may be set to be circular; the number of the bosses 13 on the restrictor bracket 10 on the restrictor 100 is 12, 4 bosses 13 are a group, the heights of 3 groups of bosses 13 are different, the heights of the bosses 13 in each group of bosses 13 are the same, and each group of bosses 13 can be used for supporting the deformation of the membrane 20, so that the membrane 20 generates different deformation under different pressures of the medium when the restrictor 100 works, the stability of the flow of the medium passing through the restrictor 100 can be improved, and the specific number of the bosses 13 and the number of the groups can be specifically set according to the use requirement.
As shown in fig. 3, the projection of the flow blocking surface 12 toward the boss 13 along the radial direction of the diaphragm 20 can cover the boss 13, so that the medium introduced from the flow inlet channel 101 can be blocked by the flow blocking surface 12 and guided to the diaphragm 20, and thus the flow restrictor 100 can have the function of ensuring the flow restriction of the medium when in operation.
As shown in fig. 2 and 3, the restrictor bracket 10 is further formed with a diaphragm mounting portion 14, the diaphragm 20 can be mounted on the restrictor bracket 10 through the diaphragm mounting portion 14, and specifically, the diaphragm 20 can be sleeved on the diaphragm mounting portion 14 in a loose fit manner, so that the assembly connection between the diaphragm 20 and the restrictor bracket 10 is specifically realized.
The diaphragm mounting portion 14 is provided with a through hole 141, specifically, the through hole 141 can be disposed at the bottom of the diaphragm mounting portion 14, and the through hole 141 penetrates through the restrictor bracket 10, so that the medium introduced into the restrictor 100 can directly discharge through the through hole 141, thus ensuring the minimum flow rate of the restrictor 100 during operation.
As shown in fig. 4, the flow control valve according to an embodiment of the present utility model includes a flow control valve main body 200 and the restrictor 100, where the restrictor 100 is installed in the flow control valve main body 200 to slow down the flow rate of the medium introduced into the flow control valve main body 200, so that the flow control valve is configured by using the restrictor 100, on one hand, the stability of flow control during operation of the flow control valve can be improved, and on the other hand, the effect of operating noise can be provided.
The utility model also discloses a washing machine, which comprises a washing machine body and the flow control valve, wherein the flow control valve is arranged on the washing machine body.
In summary, the restrictor 100 of the present utility model has the advantages of reducing noise and improving product quality by providing the flow guiding surface 11 and the flow blocking surface 12 on the restrictor bracket 10, guiding the medium by the flow guiding surface 11, and guiding the medium to the membrane 20 by the flow blocking surface 12, thereby preventing the noise generated during the medium passing through the restrictor 100.
The technical features of the above embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.
Claims (10)
1. A restrictor for reducing the flow rate of a medium passing through the restrictor (100); the flow restrictor (100) comprises a flow restrictor bracket (10) and a diaphragm (20), wherein the diaphragm (20) is arranged on the flow restrictor bracket (10), the diaphragm (20) can surround the flow restrictor bracket (10) and is provided with a plurality of inflow channels (101), and the inflow channels (101) are arranged at intervals along the circumferential direction of the diaphragm (20);
the flow restrictor bracket (10) is provided with a flow guide surface (11) and a flow blocking surface (12), the flow guide surface (11) is surrounded with the flow blocking surface (12) and is provided with a flow guide channel (102), and the flow guide channel (102) is communicated with a plurality of flow inlet channels (101) and is used for guiding a medium guided by the flow inlet channels (101) to be discharged from the flow restrictor bracket (10);
the baffle surface (12) is in a conical surface structure, and the baffle surface (12) can guide the medium in the flow guide channel (102) to flow to the membrane (20) so as to impact the membrane (20).
2. The flow restrictor of claim 1 characterized in that the passage opening of the flow guide passage (102) decreases gradually from a direction away from the membrane (20).
3. Flow restrictor according to claim 1 characterized in that the angle of inclination of the flow-blocking surface (12) relative to the membrane is set between 14 ° and 16 ° in the axial direction of the membrane (20).
4. The flow restrictor of claim 1 characterized in that the flow restrictor support (10) is further formed with a plurality of bosses (13), a plurality of the bosses (13) are sequentially arranged at intervals along the circumferential direction of the diaphragm (20), and two adjacent bosses (13) can be jointly surrounded with the flow restrictor support (10) and the diaphragm (20) and form the inflow channel (101);
along the radial direction of the diaphragm (20), the projection of the baffle surface (12) towards the boss (13) can cover the boss (13).
5. The flow restrictor of claim 1 characterized in that the flow guiding surface (11) comprises a first flow guiding portion (111), a flow guiding connection portion (112) and a second flow guiding portion (113), the first flow guiding portion (111) and the second flow guiding portion (113) are both arranged in an inclined plane structure, the flow guiding connection portion (112) is arranged in an arc surface structure, and the first flow guiding portion (111) and the second flow guiding portion (113) can be connected in a transitional manner through the flow guiding connection portion (112).
6. The flow restrictor of claim 5 characterized in that the first flow guide (111) is arranged at an inclination angle of 40 ° to 50 ° relative to the membrane (20) along the axial direction of the membrane (20).
7. The flow restrictor of claim 5 characterized in that the second flow guide (113) is provided at an inclination angle of 9 ° to 11 ° with respect to the membrane (20) along the axial direction of the membrane (20).
8. The flow restrictor of claim 1 characterized in that the flow restrictor bracket (10) is further formed with a diaphragm mounting portion (14), the diaphragm (20) being mountable to the flow restrictor bracket (10) by the diaphragm mounting portion (14);
wherein, a through hole (141) is arranged on the diaphragm mounting part (14), and the through hole (141) penetrates through the restrictor bracket (10).
9. A flow control valve comprising a flow control valve body (200), and the flow restrictor (100) of any of claims 1-8, the flow restrictor (100) being mounted within the flow control valve body (200) for slowing the flow rate of a medium introduced into the flow control valve body (200).
10. A washing machine comprising a washing machine body, and the flow control valve of claim 9 mounted on the washing machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292235.7U CN219568349U (en) | 2023-02-17 | 2023-02-17 | Flow restrictor, flow control valve and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292235.7U CN219568349U (en) | 2023-02-17 | 2023-02-17 | Flow restrictor, flow control valve and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219568349U true CN219568349U (en) | 2023-08-22 |
Family
ID=87670941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320292235.7U Active CN219568349U (en) | 2023-02-17 | 2023-02-17 | Flow restrictor, flow control valve and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219568349U (en) |
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2023
- 2023-02-17 CN CN202320292235.7U patent/CN219568349U/en active Active
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