CN114482212A - Water level adjusting mechanism of water inlet valve - Google Patents
Water level adjusting mechanism of water inlet valve Download PDFInfo
- Publication number
- CN114482212A CN114482212A CN202111495040.4A CN202111495040A CN114482212A CN 114482212 A CN114482212 A CN 114482212A CN 202111495040 A CN202111495040 A CN 202111495040A CN 114482212 A CN114482212 A CN 114482212A
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- water
- screw rod
- floating
- adjusting screw
- driving wheel
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/32—Arrangement of inlet valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/33—Adaptations or arrangements of floats
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Float Valves (AREA)
Abstract
The invention discloses a water level adjusting mechanism of a water inlet valve, which comprises a valve body, a water guide pipe, a floating barrel, a floating shell and an adjusting screw rod, wherein the top of the floating barrel is provided with a first accommodating cavity matched with the floating shell; the floating barrel is rotatably provided with a driving wheel and a driven wheel, and the driving wheel can drive the driven wheel to rotate; the water guide pipe is provided with a fixed screw rod arranged in parallel with the adjusting screw rod, and the driven wheel is in threaded fit with the fixed screw rod; the valve body is arranged at the top of the water guide pipe, and a water sealing arm connected with the adjusting screw rod is arranged on the valve body; the adjusting screw rod penetrates through the driving wheel, rotates synchronously with the driving wheel and can slide relatively in the axial direction, the floating barrel and the floating shell are driven to lift synchronously when the adjusting screw rod rotates, and the water sealing arm is driven to close the valve body when the adjusting screw rod is lifted. The invention has wide water level adjusting range, small volume and good working stability.
Description
Technical Field
The invention relates to the technical field of a water inlet valve of a closestool, in particular to a water level adjusting mechanism of the water inlet valve.
Background
The water inlet valve is usually required to be matched with water tanks with different heights and different volumes, and the application range of the water inlet valve is greatly reduced if the working water level adjusting range is insufficient.
As shown in fig. 1, many water inlet valves on the market at present adopt a structure of synchronously adjusting a floating barrel and a floating shell, and the structure of adjusting the floating barrel and the floating shell is basically matched with the chinese patent publication No. CN110106948A, which discloses a water inlet valve for an anti-siphon toilet tank, wherein an adjusting rod 3 'with external threads is in threaded connection with the floating barrel 1', a movable threaded sleeve 4 'with external threads is in threaded connection with the floating shell 2', and the adjusting rod 3 'and the movable threaded sleeve 4' are synchronously rotated to drive the synchronous lifting of the floating barrel 1 'and the floating shell 2'.
The adjusting mode can conveniently adjust the working water level in the water tank when the water inlet valve automatically stops water. However, the water level adjusting range is affected by the height of the floating bucket and the floating shell, and a large adjusting range can be realized only by correspondingly lengthening the adjusting rod and the matching part of the floating bucket and the floating shell and the movable threaded sleeve. If the floating shell of the floating barrel is integrally lengthened, the installation space is greatly increased, and the re-opening height of the water inlet valve is increased, so that the water quantity regulation requirement of the water discharge valve is not facilitated; if the matched parts of the floating barrel, the adjusting rod, the floating shell and the movable threaded sleeve are lengthened, the installation space is increased, the bottom of a cavity for accommodating the threaded sleeve in the floating barrel sinks relative to the inner cavity of the floating barrel, the cavity for accommodating the threaded sleeve is narrow and closed, scale is very easy to accumulate, and if deposited sand is accumulated, the water inlet valve cannot normally feed water.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water level adjusting mechanism of a water inlet valve, which has the advantages of wide water level adjusting range, small volume and good working stability.
In order to solve the technical problem, the invention provides a water level adjusting mechanism of a water inlet valve, which comprises a valve body, a water guide pipe, a floating barrel, a floating shell and an adjusting screw rod,
the top of the floating barrel is provided with a first accommodating cavity matched with the floating shell, the bottom of the floating shell is provided with an opening, and the floating shell is movably arranged in the first accommodating cavity and is in threaded connection with the adjusting screw rod;
the floating barrel is rotatably provided with a driving wheel and a driven wheel, and the driving wheel can drive the driven wheel to rotate;
a fixing screw rod arranged in parallel with the adjusting screw rod is arranged on the water guide pipe, and the driven wheel is in threaded fit with the fixing screw rod;
the valve body is arranged at the top of the water guide pipe, and a water sealing arm connected with the adjusting screw rod is arranged on the valve body;
the adjusting screw rod penetrates through the driving wheel, rotates synchronously with the driving wheel and can slide relatively in the axial direction, the floating barrel and the floating shell are driven to lift synchronously when the adjusting screw rod rotates, and the water sealing arm is driven to close the valve body when the adjusting screw rod lifts.
As an improvement of the scheme, the adjusting screw and the fixing screw are provided with external threads with the same thread pitch, and the modulus and the tooth number of the driving wheel and the driven wheel are the same.
As an improvement of the scheme, the water guide pipe is arranged in parallel with the adjusting screw rod, the floating barrel is provided with a second containing cavity for the water guide pipe to axially penetrate through, the outer wall of the water guide pipe is provided with a guide rail along the axial direction, and the wall of the second containing cavity is provided with a first guide groove matched with the guide rail.
As an improvement of the scheme, the water guide pipe is provided with a limiting rib above the floating barrel, and the length of the thread section of the adjusting screw rod extending out of the floating shell is equal to the distance from the upper end surface of the floating barrel to the limiting rib.
The length of the thread section of the adjusting screw rod extending out of the floating shell is equal to the distance from the upper end face of the floating barrel to the limiting rib.
As an improvement of the above scheme, be equipped with on the keg float with the action wheel reaches from the assembly clamp of driving wheel looks adaptation, all be equipped with the fixing base on action wheel and the follow driving wheel, the outside of fixing base is equipped with annular protruding muscle, annular protruding muscle with the up end butt of assembly clamp.
As an improvement of the scheme, the assembling clamp comprises two elastic arms, the elastic arms are bent to form clamping grooves matched with the fixing seats, the two elastic arms are symmetrically arranged, and the two clamping grooves are communicated with each other.
As an improvement of the scheme, the floating barrel is provided with a third accommodating cavity for the axial penetration of the adjusting screw rod and the fixing screw rod, and the assembling clamp is arranged on the inner wall of the third accommodating cavity.
As an improvement of the above scheme, the adjusting screw is coaxially arranged with the driving wheel, the adjusting screw is axially provided with a second guide groove, the inner wall surface of the driving wheel is provided with a protrusion matched with the second guide groove, and a preset distance is arranged between the groove wall of the second guide groove and the protrusion.
As an improvement of the scheme, the outer wall of the valve body is provided with a supporting piece, the middle part of the water sealing arm is abutted to the supporting piece, one end of the water sealing arm is movably connected with the adjusting screw, the other end of the water sealing arm is provided with a water sealing piece, and when the adjusting screw is lifted, the water sealing arm is driven to turn over and drives the water sealing piece to seal the pressure relief hole of the valve body.
The implementation of the invention has the following beneficial effects:
the invention discloses a water level adjusting mechanism of a water inlet valve, which is characterized in that an adjusting screw rod is in threaded connection with a floating shell and is arranged in a driving wheel on a floating barrel in a penetrating manner, a fixed screw rod on a water guide pipe is in threaded fit with a driven wheel on the floating barrel, the fixed screw rod and the adjusting screw rod are arranged in parallel, when the adjusting screw rod is rotated, the driving wheel linked with the adjusting screw rod drives the driven wheel to rotate reversely, the driven wheel and the floating barrel move together along the axial direction of the fixed screw rod, meanwhile, the floating shell moves along the axial direction of the adjusting screw rod, so that the synchronous movement of the floating shell and the floating barrel is realized, and the synchronous lifting of the floating shell and the floating barrel in a water tank is realized through the forward rotation or reverse rotation of the adjusting screw rod;
when the water level in the water tank rises to the top of the floating barrel, the floating shell in the floating barrel rises under the action of buoyancy, the adjusting screw is driven to lift, the water sealing arm is driven to close the valve body, and the water inlet is automatically closed;
the invention can conveniently realize stepless fine adjustment of the water level, the water level adjusting range is not influenced by the heights of the floating barrel and the floating shell, and the small-volume and wide water level adjusting range can be realized;
and the floating barrel and the floating shell are not narrow and closed, are easy to store dirt and influence the space for the operation of the water inlet valve, and have good working stability.
Drawings
FIG. 1 is a schematic view of a prior art inlet valve level adjustment structure;
FIG. 2 is a schematic structural view of an embodiment of a water level adjustment mechanism of the water inlet valve according to the present invention;
FIG. 3 is a schematic view of the partial longitudinal cross-section of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a cross-sectional view of the drive wheel and adjusting screw of FIG. 3;
fig. 6 is a schematic longitudinal sectional structure view of the valve body and the water introduction pipe of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2, 3 and 4, the embodiment provides an embodiment of a water level adjusting mechanism of a water inlet valve, which includes a valve body 1, a water conduit 2, a floating barrel 3, a floating shell 4 and an adjusting screw 5, wherein a first accommodating cavity 31 adapted to the floating shell 4 is formed at the top of the floating barrel 3, an opening is formed at the bottom of the floating shell 4, and the floating shell 4 is movably arranged in the first accommodating cavity 31 and is in threaded connection with the adjusting screw 5; a driving wheel 6 and a driven wheel 7 are rotatably arranged on the floating barrel 3, and the driving wheel 6 can drive the driven wheel 7 to rotate; a fixing screw 21 arranged in parallel with the adjusting screw 5 is arranged on the water guide pipe 2, and the driven wheel 7 is in threaded fit with the fixing screw 21; the valve body 1 is arranged at the top of the water guide pipe 2, and a water sealing arm 11 connected with the adjusting screw rod 5 is arranged on the valve body 1; adjusting screw 5 wears to establish in action wheel 6, it just can be in the axial relative slip with action wheel 6 synchronous revolution, adjusting screw 5 drives when rotating that float bucket 3 and hull 4 go up and down in step, drive water sealing arm 11 closes during adjusting screw 5 lifting valve body 1.
In the embodiment, the adjusting screw 5 is in threaded connection with the floating shell 4 and penetrates through the driving wheel 6 on the floating barrel 3, the fixing screw 21 on the water guide pipe 2 is in threaded fit with the driven wheel 7 on the floating barrel 3, the fixing screw 21 and the adjusting screw 5 are arranged in parallel, when the adjusting screw 5 is rotated, the driving wheel 6 linked with the adjusting screw drives the driven wheel 7 to rotate reversely, the driven wheel 7 and the floating barrel 3 move together along the axial direction of the fixing screw 21, meanwhile, the floating shell 4 moves along the axial direction of the adjusting screw 5, so that the floating shell 4 and the floating barrel 3 move synchronously, and the floating shell 4 and the floating barrel 3 can lift synchronously in the water tank through the forward rotation or reverse rotation of the adjusting screw 5; when the water level in the water tank rises to the top of the floating barrel 3, the floating shell 4 in the floating barrel 3 rises under the action of buoyancy, the adjusting screw 5 is driven to lift, the water sealing arm 11 is driven to close the valve body 1, and the water inlet is automatically closed; the embodiment can conveniently realize stepless fine adjustment of the water level, the water level adjusting range is not influenced by the heights of the floating barrel 3 and the floating shell 4, and the small-volume and wide water level adjusting range can be realized; and the floating barrel 3 and the floating shell 4 have no narrow and closed space which is easy to store dirt and influence the operation of the water inlet valve, and the working stability is good.
In order to facilitate the synchronous lifting of the floating shell 4 and the floating barrel 3 during the rotation of the adjusting screw 5, the adjusting screw 5 and the fixing screw 21 are provided with external threads with equal thread pitches, the modules and the tooth numbers of the driving wheel 6 and the driven wheel 7 are the same, so that the rotating angles of the driving wheel 6 and the driven wheel 7 are the same during the rotation of the adjusting screw 5, and the moving distances of the adjusting screw 5 and the fixing screw 21 are the same. In addition, the rotation directions of the external threads on the adjusting screw rod 5 and the fixing screw rod 21 are the same, the driving wheel 6 and the driven wheel 7 are directly meshed, so that the floating shell 4 and the floating barrel 3 can be synchronously lifted, an intermediate gear is not needed, and the transmission structure is simplified.
The external threads on the adjusting screw 5 and the fixing screw 21 are preferably right-handed threads which are more common, and when the adjusting screw 5 rotates along the needle, the floating shell 4 and the floating barrel 3 synchronously move upwards; otherwise, the movement is downward.
For further promoting the stability that the flotation tank 3 goes up and down, aqueduct 2 and adjusting screw 5 parallel arrangement of this embodiment, flotation tank 3 is equipped with the confession aqueduct 2 axial through's second holds the chamber 32, the outer wall of aqueduct 2 is equipped with guide rail 22 along the axial, the chamber wall that the second held the chamber 32 be equipped with the first guide way of guide rail 22 looks adaptation.
In order to ensure the effectiveness of adjusting the water level each time, the water guide pipe 2 is provided with a limiting rib 23 above the floating barrel 3, and the length of the thread section of the adjusting screw rod 5 extending out of the floating shell 4 is equal to the distance from the upper end surface of the floating barrel 3 to the limiting rib 23, so that the lifting strokes of the floating barrel 3 and the floating shell 4 are consistent. The stopper rib 23 is preferably formed on the guide rail 22.
Be equipped with on the keg float 3 with action wheel 6 and from the assembly clamp 33 of 7 looks adaptations of driving wheel, be equipped with fixing base 61 on the action wheel 6, be equipped with fixing base 71 from driving wheel 7, the outside of fixing base 61 and fixing base 71 all is equipped with annular protruding muscle, annular protruding muscle with the up end butt of assembly clamp 33. The assembling clamp 33 comprises two elastic arms, the elastic arms are bent to form clamping grooves matched with the fixing seat 61 and the fixing seat 71, and the clamping grooves formed by the two elastic arms in a surrounding mode are communicated with each other, so that the assembling efficiency is conveniently improved. The driving wheel 6 and the driven wheel 7 are easy to enter and difficult to exit under the elastic action of the elastic arms. And the rotation directions of the driving wheel 6 and the driven wheel 7 are opposite in the rotation process, the directions of friction forces generated between the driving wheel 6 and the driven wheel 7 and corresponding elastic arms on the assembling clamp 33 are also opposite, and the two elastic arms form a symmetrical structure, so that the stress of the whole assembling clamp 33 is more balanced.
The floating barrel 3 is provided with a third accommodating cavity 34 for the axial penetration of the adjusting screw rod 5 and the fixing screw rod 21, and the assembling clamp 33 is arranged on the inner wall of the third accommodating cavity 34.
With reference to fig. 5, the adjusting screw 5 and the driving wheel 6 are coaxially arranged, the adjusting screw 5 is axially provided with a second guide groove 51, the inner wall surface of the driving wheel 6 is provided with a protrusion 62 matched with the second guide groove 51, and a preset distance is provided between the groove wall of the second guide groove 51 and the protrusion 62. When the adjusting screw 5 rotates, torque is transmitted between the wall of the second guide groove 51 and the protrusion 62 on the inner wall surface of the driving wheel 6, the adjusting screw 5 drives the driving wheel 6 to rotate, and when the adjusting screw 5 moves axially, i.e., goes up and down together with the floating shell 4, there is no interference between the driving wheel 6 and the adjusting screw 5, so that the adjusting screw 5 is ensured to smoothly drive the water sealing arm 11 to open or close the valve body 1. The guide grooves are arranged in a plurality of groups in the circumferential array of the adjusting screw 5 so as to enable torque transmission to be more balanced.
Referring to fig. 6, a water inlet cavity 12, a water outlet cavity 13 and a back pressure cavity 14 are arranged in the valve body 1, a water stop pad 15 is arranged between the water inlet cavity 12, the water outlet cavity 13 and the back pressure cavity 14, the water stop pad 15 is provided with a water inlet 151 communicated with the water inlet cavity 12, a valve needle 152 is arranged in the water inlet 151 in a penetrating manner, the back pressure cavity 14 is provided with a pressure relief hole 141 communicated with the outside, and a water sealing member 111 on the water sealing arm 11 is arranged outside the pressure relief hole 141. The outer wall of the valve body 1 is provided with a supporting piece 16, the middle part of the water sealing arm 11 is abutted to the supporting piece 16, one end of the water sealing arm 11 is movably connected with the adjusting screw rod 5, the other end of the water sealing arm is provided with a water sealing piece 111, the water sealing arm 11 is driven to turn over when the adjusting screw rod 5 is lifted, and the water sealing piece 111 is driven to block the pressure relief hole 141 of the valve body 1.
A water outlet 35 is formed in the bottom of the floating barrel 3, a floating plug 36 is arranged below the water outlet 35, and the floating plug 36 plugs the water outlet 35 when the external water pressure of the floating barrel 3 is greater than the internal water pressure.
The working process of the water inlet valve of the invention is as follows:
after the water tank drains, the water level inside the floating barrel 3 is higher than the external water level, namely the water level of the water tank, under the action of the water pressure inside the floating barrel 3, the floating plug 36 falls back, the water inside the floating barrel 3 is discharged from the water outlet at the position of the floating plug 36, the water level inside the floating barrel 3 falls, and the floating shell 4 is driven to fall; at the moment, the floating shell 4 drives the adjusting screw rod 5 in threaded connection with the floating shell to synchronously descend, the water sealing arm 11 is driven to overturn, the pressure relief opening is opened, water enters the water tank from the water inlet cavity 12, the water outlet cavity 13 and the water guide pipe 2, meanwhile, a small part of water enters the back pressure cavity 14 through the water inlet hole 151 and then flows out through the pressure relief hole 141, and the purpose of water inlet is achieved at the moment;
when the water level of the water tank rises to the lower end face of the floating barrel 3, the floating plug 36 gradually blocks the water outlet 35, when the water level of the water tank rises to the upper end face of the floating barrel 3, the water tank starts to overflow into the floating barrel 3, at the moment, the floating shell 4 floats under the action of the water pressure in the floating barrel 3 to drive the adjusting screw 5 in threaded connection with the floating shell to synchronously rise, the water sealing arm 11 is driven to reversely rotate, the water sealing piece 111 on the water sealing arm 11 blocks the pressure relief hole 141 of the water inlet valve to prevent the pressure relief hole 141 from outwards draining, a closed space is formed inside the water inlet valve, because the water contact area of the water sealing pad 15 on one side of the back pressure cavity 14 is larger than that on one side of the water inlet cavity 12, the water pressure of the water sealing pad 15 on one side of the back pressure cavity 14 is larger, the water pressure on one side of the back pressure cavity 14 enables the water sealing pad 15 to block the water inlet cavity 12, meanwhile, the water in the water inlet cavity 12 continues to enter the back pressure cavity 14 through the water inlet 151 at the moment when the water sealing piece 111 blocks the pressure cavity 141, the water pressure in the back pressure cavity 14 is suddenly increased, elastic expansion deformation is generated to block the water inlet 151, the water flow between the water inlet cavity 12 and the water outlet cavity 13 is cut off, the purpose of stopping water is achieved, and the water inlet valve stops water inlet.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A water level adjusting mechanism of a water inlet valve, which is characterized by comprising a valve body, a water guide pipe, a floating barrel, a floating shell and an adjusting screw rod,
the top of the floating barrel is provided with a first accommodating cavity matched with the floating shell, the bottom of the floating shell is provided with an opening, and the floating shell is movably arranged in the first accommodating cavity and is in threaded connection with the adjusting screw rod;
the floating barrel is rotatably provided with a driving wheel and a driven wheel, and the driving wheel can drive the driven wheel to rotate;
a fixing screw rod arranged in parallel with the adjusting screw rod is arranged on the water guide pipe, and the driven wheel is in threaded fit with the fixing screw rod;
the valve body is arranged at the top of the water guide pipe, and a water sealing arm connected with the adjusting screw rod is arranged on the valve body;
the adjusting screw rod penetrates through the driving wheel, rotates synchronously with the driving wheel and can slide relatively in the axial direction, the floating barrel and the floating shell are driven to lift synchronously when the adjusting screw rod rotates, and the water sealing arm is driven to close the valve body when the adjusting screw rod lifts.
2. The water level regulating mechanism of the water inlet valve according to claim 1, wherein the regulating screw and the fixing screw are provided with external threads with equal thread pitches, and the modules and the numbers of teeth of the driving wheel and the driven wheel are the same.
3. The water level regulating mechanism of the water inlet valve as claimed in claim 2, wherein the rotation directions of the external threads on the regulating screw rod and the fixed screw rod are the same, and the driving wheel is meshed with the driven wheel.
4. The water level regulating mechanism of the water inlet valve according to claim 1 or 2, wherein the water conduit is arranged in parallel with the regulating screw, the floating barrel is provided with a second accommodating cavity for the water conduit to axially penetrate through, the outer wall of the water conduit is provided with a guide rail along the axial direction, and the wall of the second accommodating cavity is provided with a first guide groove matched with the guide rail.
5. The water level regulating mechanism of the water inlet valve according to claim 4, wherein the water guide pipe is provided with a limiting rib above the floating barrel, and the length of the thread section of the regulating screw rod extending out of the floating shell is equal to the distance from the upper end surface of the floating barrel to the limiting rib.
6. The water level regulating mechanism of the water inlet valve according to claim 1 or 2, wherein the floating barrel is provided with an assembling clamp matched with the driving wheel and the driven wheel, the driving wheel and the driven wheel are respectively provided with a fixed seat, the outer side of the fixed seat is provided with an annular convex rib, and the annular convex rib is abutted against the upper end face of the assembling clamp.
7. The water level regulating mechanism of the water inlet valve according to claim 6, wherein the assembling clamp comprises two elastic arms which are bent to form clamping grooves matched with the fixing seat, the two elastic arms are symmetrically arranged, and the two clamping grooves are communicated with each other.
8. The water level regulating mechanism of the water inlet valve according to claim 6 or 7, wherein the floating barrel is provided with a third accommodating cavity for the axial penetration of the regulating screw and the fixing screw, and the assembling clamp is arranged on the inner wall of the third accommodating cavity.
9. The water level regulating mechanism of the water inlet valve according to claim 1 or 2, wherein the regulating screw is coaxially arranged with the driving wheel, the regulating screw is axially provided with a second guide groove, the inner wall surface of the driving wheel is provided with a protrusion adapted to the second guide groove, and a preset distance is provided between the groove wall of the second guide groove and the protrusion.
10. The water level regulating mechanism of the water inlet valve according to claim 1 or 2, wherein a support member is arranged on the outer wall of the valve body, the middle part of the water sealing arm is abutted against the support member, one end of the water sealing arm is movably connected with the regulating screw rod, a water sealing member is arranged at the other end of the water sealing arm, and when the regulating screw rod is lifted, the water sealing arm is driven to turn over and the water sealing member is driven to seal the pressure relief hole of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111495040.4A CN114482212A (en) | 2021-12-08 | 2021-12-08 | Water level adjusting mechanism of water inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111495040.4A CN114482212A (en) | 2021-12-08 | 2021-12-08 | Water level adjusting mechanism of water inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114482212A true CN114482212A (en) | 2022-05-13 |
Family
ID=81492636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111495040.4A Pending CN114482212A (en) | 2021-12-08 | 2021-12-08 | Water level adjusting mechanism of water inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114482212A (en) |
-
2021
- 2021-12-08 CN CN202111495040.4A patent/CN114482212A/en active Pending
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