CN216590125U - Water inlet joint and water heater - Google Patents
Water inlet joint and water heater Download PDFInfo
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- CN216590125U CN216590125U CN202220029111.5U CN202220029111U CN216590125U CN 216590125 U CN216590125 U CN 216590125U CN 202220029111 U CN202220029111 U CN 202220029111U CN 216590125 U CN216590125 U CN 216590125U
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- pressure relief
- water inlet
- relief valve
- valve rod
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Abstract
The utility model provides a water supply connector and water heater. The water joint comprises a shell, a sealing valve core and a pressure relief valve core, wherein a water inlet and a water outlet are respectively formed in two ends of the shell; the isolating part is arranged along the axial direction of the inner wall of the shell and is provided with a second water inlet; the sealing valve core is arranged at the water inlet and used for opening and closing the second water inlet; the pressure relief valve core is arranged along the radial direction of the inner wall of the shell and is positioned between the isolation part and the water outlet; the pressure relief valve core comprises a pressure relief valve rod, and the pressure relief valve rod extends towards the inside of the shell; the sealing valve core comprises a sealing valve rod, and one end of the sealing valve rod penetrates through the second water inlet and is arranged opposite to the first end of the pressure relief valve rod; the extension end part of the sealing valve rod is provided with a first limiting part, and the first limiting part is used for containing a first end of the pressure relief valve rod, so that the sealing valve core and the isolation part are arranged at intervals. Through the relative sealing valve rod and the pressure relief valve rod, the sealing valve core can be limited in a state of opening the second water inlet.
Description
Technical Field
The utility model relates to a pipe connection field, in particular to water supply connector and water heater.
Background
The existing domestic water generally has the problem of pressure fluctuation due to reasons such as water supply, terminal use and the like, and the water inlet end of the water inlet pipe of a water heater is a normally open valve, the water outlet end of the water inlet pipe of the water heater is a normally closed valve, and certain water pressure is borne by the interior of a pipeline in a non-working state. When the water pressure is too high, the weak pressure-bearing parts of common plastic parts such as water valves and the like can be cracked firstly. If the user does not discover in time that the water inlet pipeline is closed, water in the water source pipeline can continuously enter the connecting water pipe and run out from the crack, so that serious water leakage is caused, and property loss and safety problems such as floor soaking, electric leakage and the like are caused. Although a valve core is arranged in a part of the water inlet joint to close the water inlet when the water pressure is increased, the valve core is complex in structure, high in cost and easy to fail, so that the valve core is difficult to apply on a large scale.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a water supply connector and water heater.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a water inlet joint comprises a shell, a sealing valve core and a pressure relief valve core, wherein a water inlet and a water outlet are respectively arranged at two ends of the shell; the inner wall of the shell is provided with an isolating part, and the isolating part is provided with a second water inlet; the sealing valve core is arranged at the water inlet and is used for opening and closing the second water inlet; the pressure relief valve core is positioned between the isolation part and the water outlet; the pressure relief valve core comprises a pressure relief valve rod, and the pressure relief valve rod extends towards the inside of the shell; the sealing valve core comprises a sealing valve rod, and one end of the sealing valve rod penetrates through the second water inlet and is arranged opposite to the first end of the pressure relief valve rod; the extension end part of the sealing valve rod is provided with a first limiting part, and the first limiting part is used for accommodating the first end of the pressure relief valve rod, so that the sealing valve core and the isolation part are arranged at intervals.
The utility model discloses a water supply connector is through setting up sealed valve rod and pressure release valve rod relatively to hold the first end of pressure release valve rod in the first spacing portion of sealed valve rod, thereby make sealed case and isolation part interval set up in order to open the second water inlet, and then make the hydroenergy in the water source pipeline continuously flow in water supply connector. And the first end of the pressure relief valve rod is matched with the first limiting part of the sealing valve rod, the sealing valve core is fixed in a state of opening the second water inlet, and the fluctuation of water flow of the second water inlet caused by displacement of the sealing valve core along with water pressure fluctuation is reduced. The water inlet joint is simple in structure, the processing technology can be effectively simplified, and the material cost is reduced.
Preferably, the pressure relief valve core is movably arranged in the shell, the sealing valve core is movably arranged in the shell, when the water pressure is increased, the pressure relief valve core moves, the first end of the pressure relief valve rod is separated from the first limiting part, and the sealing valve core moves towards the direction close to the second water inlet to close the second water inlet.
In this scheme, when the water pressure increase in the water supply connector exceeded the threshold value, the first end of pressure release valve rod breaks away from first spacing portion, removes spacing to sealed valve rod to make sealed case remove in order to close the water inlet, and then avoided the water in the water source pipeline to continue to flow into in the water supply connector, make the water pressure in the casing keep in a relatively stable state, and then effectively avoided because of the water pressure increase safety problems such as spare part fracture that arouses, leak.
Preferably, the sealing valve rod is further provided with a second limiting portion, the second limiting portion and the first limiting portion are arranged at an interval, the limiting depth of the second limiting portion is smaller than that of the first limiting portion, and when the sealing valve core closes the second water inlet, the second limiting portion is used for accommodating the first end of the pressure relief valve rod.
In this scheme, after sealed case closed the second water inlet, the spacing portion of second makes sealed case fix the position of closing the second water inlet with the cooperation of pressure release valve rod to avoided water pressure unstability and the sealed case that leads to opens repeatedly and close, consequently effectively avoided the inside outside leakage of water supply connector. In addition, when water pressure is further increased, the sealing valve core can be further extruded at the second water inlet, the second limiting part limits the further extrusion of the water pressure on the sealing valve core, the sealing valve core is protected, and the failure of the sealing valve core is avoided.
Preferably, the first limiting part is a groove, and/or the second limiting part is a groove.
Use the recess as spacing portion, can realize good spacing effect on the one hand, its processing technology of on the other hand is simple, lower greatly the utility model discloses a water supply connector's processing cost.
Preferably, the groove walls of the groove are inclined to form guide surfaces.
In this scheme, set up the cell wall slope of recess in order to form the spigot surface, this spigot surface can guide the moving path of pressure release valve rod to make it can smoothly roll off or slide in the recess.
Preferably, the pressure relief valve core further comprises a pressure relief elastic piece, a second end of the pressure relief valve rod is arranged opposite to the first end of the pressure relief valve rod, and the second end of the pressure relief valve rod abuts against the pressure relief elastic piece; when the water pressure in the shell is increased to exceed a preset value, the pressure relief elastic piece is compressed by the pressure relief valve rod, and the pressure relief valve rod moves towards the direction far away from the sealing valve rod, so that the first end is separated from the first limiting part.
In this scheme, the pressure release elastic component compresses under the hydraulic effect that exceeds the threshold value, and the pressure release valve rod removes so that it breaks away from first spacing portion along pressure release elastic component compression direction to it is spacing to having solved sealed valve rod, makes sealed case remove in order to close the second water inlet to the closed position.
Preferably, the pressure relief elastic member is a membrane.
The involucra has good elasticity and life, and the lower easy assembly of cost to further reduce the utility model discloses a water supply connector's manufacturing cost.
Preferably, a pressure relief valve seat is arranged on the shell, and a fixing nut is arranged at an opening of the pressure relief valve seat; the pressure relief valve core is positioned in the pressure relief valve seat, and the pressure relief elastic piece is limited in the pressure relief valve seat through the fixing nut.
The opening of pressure release disk seat can be sealed to fixation nut on the one hand, and on the other hand is convenient for fix and change the involucra.
Preferably, the pressure release valve core further comprises a sliding rod, the sliding rod is fixedly connected with the pressure release valve rod in a perpendicular mode, two ends of the sliding rod are connected with the inner wall of the pressure release valve seat in a sliding mode, two ends of the sliding rod are provided with sealing grooves, and sealing rings are embedded in the sealing grooves.
Through further setting up the slide bar for the pressure release valve rod slides along pressure release disk seat inner wall more steadily smoothly, and the sealing washer can avoid the water in the casing to leak between slide bar and the involucra, thereby makes the water pressure of involucra department and the water pressure in the casing keep unanimous.
A water heater comprising a water inlet fitting as described above.
The utility model discloses a water heater, when the water pressure in the water heater was too high to exceed the threshold value, the water inlet joint can self-closing water inlet to make the water pressure in the water heater keep at a relatively stable state, effectively avoided the water heater inner part to fracture under great hydraulic effect, and then avoided property losses and safety problems such as floor bubble water, electric leakage that the water leakage arouses. And, the utility model discloses a practical water inlet joint simple structure, sensitivity are high, stability is strong and the cost is lower, are favorable to extensive application.
The utility model discloses an actively advance the effect and lie in:
(1) the utility model discloses a water supply connector can be in the hydraulic effect self-closing water inlet of exceeding preset threshold value down, avoids the water in the water source pipeline to continue to get into water supply connector to effectively avoided the water pressure increase to arouse that the spare part breaks, safety problems such as leak.
(2) The utility model discloses a water inlet joint only can close the water inlet under the hydraulic effect that surpasses the predetermined threshold value, and need not with the help of electric power or other external device, has higher reliability.
(3) The utility model discloses a water inlet joint simple structure, design benefit, material cost is lower and production simple process, is favorable to extensive popularization and application.
Drawings
Fig. 1 is a schematic view of the water inlet joint for opening the second water inlet of the utility model.
Fig. 2 is a schematic view of the water inlet joint for closing the second water inlet of the present invention.
Fig. 3 is a schematic view of a water heater with the water inlet joint of the utility model.
Description of reference numerals:
Second water inlet 21
Sealing valve core 30
First seal valve rod 31
Second sealing valve stem 32
Sealing elastic member 34
E-shaped fastener 35
Relief valve spool 50
Decompression elastic member 54
Pressure relief valve seat 60
Fixing nut 70
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, the water inlet joint 10 includes a housing, a sealing valve core 30 and a pressure relief valve core 50, wherein the two ends of the housing are respectively provided with a water inlet 11 and a water outlet 12; the partition part 20 is arranged along the axial direction of the inner wall of the shell, and the partition part 20 is provided with a second water inlet 21; the sealing valve core 30 is disposed at the water inlet 11 and is used to open and close the second water inlet 21; the pressure relief valve core 50 is arranged along the radial direction of the inner wall of the shell and is positioned between the isolation part 20 and the water outlet 12; the relief valve spool 50 includes a relief valve rod 51, and the relief valve rod 51 extends toward the inside of the case; the sealing valve core 30 comprises a sealing valve rod, and one end of the sealing valve rod penetrates through the second water inlet 21 and is arranged opposite to the first end of the pressure relief valve rod 51; the extending end of the sealing valve rod is provided with a first limiting part, and the first limiting part is used for accommodating a first end of the pressure relief valve rod 51, so that the sealing valve core 30 and the isolation part 20 are arranged at intervals.
The water supply connector of this embodiment is through setting up sealed valve rod and pressure release valve rod 51 relatively to hold the first end of pressure release valve rod 51 in the first spacing portion of sealed valve rod, thereby make sealed case 30 and isolation 20 interval set up in order to open second water inlet 21, and then make the hydroenergy in the water source pipeline continuously flow into water supply connector. And the first end of the pressure relief valve rod 51 is matched with the first limiting part of the sealing valve rod, so that the sealing valve core 30 is fixed in a state of opening the second water inlet 21, and the fluctuation of the water flow of the second water inlet 21 caused by the displacement of the sealing valve core 30 along with the fluctuation of the water pressure is reduced. The water inlet joint is simple in structure, the processing technology can be effectively simplified, and the material cost is reduced.
As shown in fig. 1 and 2, the pressure relief valve core 50 is movably disposed in the housing, and the sealing valve core 30 is movably disposed in the housing, when the water pressure increases, the pressure relief valve core 50 moves upward, so that the first end of the pressure relief valve rod 51 is separated from the first limiting portion, and the sealing valve core 30 moves toward the direction close to the second water inlet 21 to close the second water inlet 21.
In this embodiment, when the water pressure increase in the water supply connector 10, the first end of pressure release valve rod 51 breaks away from first spacing portion, and the contact is spacing to sealed valve rod to make sealed case 30 remove in order to close water inlet 11, and then avoided the water in the water source pipeline to continue to get into in the water supply connector 10, make the water pressure in the casing keep in a relatively stable state, effectively avoided because of the water pressure increase safety problems such as spare part fracture, the water leakage that arouses.
As shown in fig. 1 and 2, the sealing valve rod is further provided with a second limiting portion, the second limiting portion and the first limiting portion are arranged at an interval, the limiting depth of the second limiting portion is smaller than that of the first limiting portion, and when the sealing valve core 30 closes the second water inlet 21, the second limiting portion is used for accommodating the first end of the pressure relief valve rod 51.
After the second water inlet 21 is closed by the sealing valve core 30, the second limiting part is matched with the pressure relief valve rod 51 to fix the sealing valve core 30 at the position for closing the second water inlet 21, so that the sealing valve core 30 is prevented from being repeatedly opened and closed due to unstable water pressure, and the water inside the water inlet connector 10 is effectively prevented from leaking outwards. In addition, when the water pressure is further increased, the sealing valve core 30 can be further extruded at the second water inlet 21, the second limiting part limits the further extrusion of the water pressure on the sealing valve core 30, the sealing valve core 30 is protected, and the failure of the sealing valve core 30 is avoided.
As shown in fig. 1 and 2, the first position-limiting portion is a first position-limiting groove 311, the second position-limiting portion is a second position-limiting groove 312, and the depth of the second position-limiting groove 312 is smaller than the depth of the first position-limiting groove 311.
Use the recess as spacing portion, on the one hand it can realize good spacing effect, and on the other hand processing technology is simple, and is lower greatly the utility model discloses a water supply connector's processing cost.
Further, the groove walls of the groove are inclined to form guide surfaces, and in particular, as shown in fig. 1 and 2, the groove is wedge-shaped.
In this embodiment, the groove wall of the groove is inclined to form a guide surface that can guide the moving path of the relief valve rod 51 so that it can smoothly slide out of or into the groove.
As shown in fig. 1 and 2, the pressure relief valve core 50 further includes a pressure relief elastic member 54, a second end of the pressure relief valve rod 51 is disposed opposite to a first end of the pressure relief valve rod 51, and a second end of the pressure relief valve rod 51 abuts against the pressure relief elastic member 54; when the water pressure in the housing increases and exceeds the threshold of the pressure relief elastic piece 54, the pressure relief elastic piece 54 compresses upwards, and the pressure relief valve rod 51 moves towards the direction far away from the sealing valve rod, so that the first end of the pressure relief valve rod 51 is separated from the first limiting part.
In this embodiment, the pressure relief elastic member 54 is compressed under the action of water pressure, and the pressure relief valve rod 51 moves along the compression direction of the pressure relief elastic member 54 to separate from the first limiting portion, so that the limitation on the sealing valve rod is released, and the isolating portion 20 of the sealing valve element 30 moves to close the second water inlet 21.
As shown in fig. 1 and 2, the pressure relief elastic member 54 is a film.
The involucra has good elasticity and life, and the lower easy assembly of cost, can further reduce the utility model discloses a water supply connector 10's manufacturing cost. It should be noted by those skilled in the art that the pressure relief elastic member 54 is not limited to a film, and may be any elastic member that can be compressed by water pressure.
Further, a pressure relief valve seat 60 is provided on the housing, as shown in fig. 1 and 2. One end of the pressure relief valve seat 60 is fixedly connected with the shell, the other end of the pressure relief valve seat is provided with an opening, and a fixing nut 70 is arranged at the opening of the pressure relief valve seat 60; the pressure relief valve core 50 is located in the pressure relief valve seat 60, and the pressure relief elastic member 54 is limited in the pressure relief valve seat 60 by the fixing nut 70.
In this embodiment, the fixing nut 70 can close the opening of the pressure relief valve seat 60, and is convenient for fixing and replacing the skin.
Further, relief valve spool 50 also includes a sliding stem 52, as shown in fig. 1 and 2. The sliding rod 52 is vertically and fixedly connected with the pressure relief valve rod 51, two ends of the sliding rod 52 are slidably connected with the inner wall of the pressure relief valve seat 60, two ends of the sliding rod 52 are provided with sealing grooves, and sealing rings 53 are embedded in the sealing grooves.
By further providing the sliding rod 52, the pressure relief valve rod 51 can more stably and smoothly slide along the inner wall of the pressure relief valve seat 60, and the seal ring 53 can prevent water in the housing from leaking between the sliding rod 52 and the coating, so that the water pressure at the coating is kept consistent with the water pressure in the housing.
As shown in fig. 1 and 2, the water inlet connector 10 further includes a sealing valve seat 40, and the sealing valve seat 40 is located at the water inlet 11 and is fixedly connected to the inner wall of the housing. The seal cartridge 30 includes a seal elastic member 34, a seal stem, and a seal plug 33. Wherein the sealing valve rod includes first sealing valve rod 31 and second sealing valve rod 32, and first sealing valve rod 31 and the perpendicular fixed connection of second sealing valve rod 32, first sealing valve rod 31 along casing axial arrangement and wear out second water inlet 21, and sealing valve plug 33 is installed with the junction of first sealing valve rod 31 to second sealing valve rod 32, and sealing valve plug 33 is used for closing second water inlet 21. Further, the second sealing valve rod 32 may be a U-shaped sealing valve rod, and the sealing valve plug 33 is inserted into the U-shaped sealing valve rod and fixed by using an E-shaped buckle 35. In the present embodiment, the seal elastic member 34 is a spring. The spring is mounted between the sealing valve seat 40 and the second sealing valve stem 32.
As shown in fig. 1, when the water pressure in the water inlet joint 10 is lower than the predetermined threshold value, the first end of the pressure relief valve rod 51 engages with the first limiting groove 311, at this time, the sealing elastic member 34 is compressed, the sealing valve plug 33 is limited at a position far away from the second water inlet 21, at this time, the second water inlet 21 is opened, and the external water source can enter the interior of the water inlet joint 10 through the water inlet 11 and the second water inlet 21. When the water pressure is continuously increased and exceeds a preset threshold value of the pressure relief elastic member 54, the pressure relief elastic member 54 is compressed upward under the action of the water pressure, the pressure relief valve rod 51 moves upward along with the pressure relief valve rod 51, the first end of the pressure relief valve rod 51 is separated from the first limiting groove 311, the sealing valve rod and the sealing valve plug 33 move leftward under the action of the sealing elastic member 34, the sealing valve plug 33 abuts against the isolation portion 20 and closes the second water inlet 21, and the sealing valve plug 33 further compresses the isolation portion 20 under the elastic force of the sealing elastic member 34 to achieve a better sealing effect, as shown in fig. 2. At this time, the first end of the relief valve rod 51 is engaged with the second stopper groove 312 to fix the sealing valve rod and the sealing valve plug 33, thereby effectively preventing the sealing elastic member 34 from moving rightward under the influence of the water pressure fluctuation to generate a sealing gap, and thus causing water leakage from the seal.
Further, the sealing valve seat 40 is further provided with a sealing guide hole, and the sealing valve rod is in clearance fit with the sealing guide hole, so that the sealing valve rod moves along the sealing guide hole. Further, one end of the pressure relief valve seat 60 connected to the housing is provided with a pressure relief guide, as shown in fig. 1 and 2. This pressure release guide part and pressure release disk seat 60 inner wall fixed connection, and the pressure release guide part is provided with the pressure release guiding hole, and pressure release valve rod 51 leads hole clearance fit with the pressure release, and pressure release valve rod 51 passes the first recess or the second recess meshing of pressure release guiding hole and sealed valve rod. Through setting up sealed guiding hole for sealed valve rod and sealed valve plug 33 are along the axial displacement of water supply connector 10, through setting up the pressure release guide part, make pressure release valve rod 51 along the radial displacement of water supply connector 10, thereby furthest makes sealed valve rod and pressure release valve rod 51 perpendicular, thereby has further strengthened the meshing of pressure release valve rod 51 and sealed valve rod and has fixed.
As shown in fig. 3, the water inlet joint 10 is arranged at the water inlet end of the water heater 90. When the water pressure in the water heater 90 is too high to exceed the threshold value, the water inlet connector 10 can automatically close the water inlet 11 under the action of the water pressure, so that the water pressure in the water heater 90 is kept in a relatively stable state, cracking of parts in the water heater 90 under the action of the large water pressure is effectively avoided, and property loss and safety problems such as floor water soaking, electric leakage and the like caused by water leakage are further avoided. The utility model discloses a water inlet joint 10 just can close water inlet 11 under the hydraulic effect that surpasss the predetermined threshold value, and need not with the help of electric power or other external device, has higher reliability. In addition, the water inlet joint 10 is simple in structure, high in sensitivity, strong in stability and low in cost, and is beneficial to large-scale application.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A water inlet joint is characterized by comprising a shell, a sealing valve core and a pressure relief valve core, wherein a water inlet and a water outlet are respectively arranged at two ends of the shell; the inner wall of the shell is provided with an isolating part, and the isolating part is provided with a second water inlet; the sealing valve core is arranged at the water inlet and is used for opening and closing the second water inlet;
the pressure relief valve core is positioned between the isolation part and the water outlet; the pressure relief valve core comprises a pressure relief valve rod, and the pressure relief valve rod extends towards the inside of the shell;
the sealing valve core comprises a sealing valve rod, and one end of the sealing valve rod penetrates through the second water inlet and is arranged opposite to the first end of the pressure relief valve rod; the extension end part of the sealing valve rod is provided with a first limiting part, and the first limiting part is used for accommodating the first end of the pressure relief valve rod, so that the sealing valve core and the isolation part are arranged at intervals.
2. The water inlet joint as recited in claim 1 wherein the pressure relief valve spool is movably disposed within the housing, the sealing valve spool is movably disposed within the housing, when the water pressure increases, the pressure relief valve spool moves, and the first end of the pressure relief valve stem disengages from the first position-limiting portion, the sealing valve spool moves in a direction approaching the second water inlet to close the second water inlet.
3. The water inlet joint as claimed in claim 2, wherein the sealing valve rod is further provided with a second limiting portion, the second limiting portion is spaced from the first limiting portion, the limiting depth of the second limiting portion is smaller than that of the first limiting portion, and when the sealing valve core closes the second water inlet, the second limiting portion is used for accommodating the first end of the pressure relief valve rod.
4. A water inlet joint according to claim 3, wherein the first retaining portion is a groove and/or the second retaining portion is a groove.
5. The water inlet joint as claimed in claim 4, wherein the groove wall of the groove is inclined to form a guide surface.
6. The water inlet joint of claim 1, wherein the pressure relief valve core further comprises a pressure relief elastic member, a second end of the pressure relief valve rod is arranged opposite to the first end of the pressure relief valve rod, and the second end of the pressure relief valve rod abuts against the pressure relief elastic member; when the water pressure in the shell is increased to exceed a preset value, the pressure relief elastic piece is compressed by the pressure relief valve rod, and the pressure relief valve rod moves towards the direction far away from the sealing valve rod, so that the first end is separated from the first limiting part.
7. The water inlet joint of claim 6, wherein the pressure relief elastic member is a membrane.
8. The water inlet joint as claimed in claim 7, wherein the housing is provided with a pressure relief valve seat, and a fixing nut is arranged at an opening of the pressure relief valve seat; the pressure relief valve core is positioned in the pressure relief valve seat, and the pressure relief elastic piece is limited in the pressure relief valve seat through the fixing nut.
9. The water inlet joint as claimed in claim 8, wherein the pressure relief valve core further comprises a sliding rod, the sliding rod is vertically and fixedly connected with the pressure relief valve rod, two ends of the sliding rod are slidably connected with the inner wall of the pressure relief valve seat, two ends of the sliding rod are provided with sealing grooves, and sealing rings are embedded in the sealing grooves.
10. A water heater comprising a water inlet fitting as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220029111.5U CN216590125U (en) | 2022-01-07 | 2022-01-07 | Water inlet joint and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220029111.5U CN216590125U (en) | 2022-01-07 | 2022-01-07 | Water inlet joint and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590125U true CN216590125U (en) | 2022-05-24 |
Family
ID=81634050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220029111.5U Active CN216590125U (en) | 2022-01-07 | 2022-01-07 | Water inlet joint and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590125U (en) |
-
2022
- 2022-01-07 CN CN202220029111.5U patent/CN216590125U/en active Active
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