CN220460624U - Quantitative water feeding device for water reducer - Google Patents
Quantitative water feeding device for water reducer Download PDFInfo
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- CN220460624U CN220460624U CN202321978360.XU CN202321978360U CN220460624U CN 220460624 U CN220460624 U CN 220460624U CN 202321978360 U CN202321978360 U CN 202321978360U CN 220460624 U CN220460624 U CN 220460624U
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- liquid
- control box
- feeding device
- water
- liquid outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 223
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 3
- 238000003860 storage Methods 0.000 abstract description 70
- 238000007789 sealing Methods 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 150000002790 naphthalenes Chemical class 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a quantitative water feeding device for a water reducer, and relates to the technical field of water reducer production. The utility model comprises a control box and a rotary liquid outlet box, wherein an air pump is fixedly clamped at the front end of the bottom side of the control box, a liquid outlet pipe is penetrated and clamped at the front top end of the outer periphery of the control box, a liquid supply box is arranged at the upper side of the control box, the rotary liquid outlet box is inserted and connected at the inner side of the control box, a plurality of liquid storage tanks are arranged at the upper side edge of the rotary liquid outlet box, a sealing slide plate is clamped at the inner side of one liquid storage tank in a sliding way, and a ventilation groove is arranged at the bottom end of one liquid storage tank. The quantitative water feeding device solves the problems that when the quantitative water feeding device is in actual use, the up-and-down movement of the piston consumes a certain time, the device is difficult to be suitable for mass uninterrupted reaction production, and when the quantitative water feeding device is used in high strength, the structure is likely to be worn rapidly due to the fact that the same structure is repeatedly used for measuring and conveying liquid.
Description
Technical Field
The utility model belongs to the technical field of water reducer production, and particularly relates to a quantitative water feeding device for a water reducer.
Background
The water reducing agent is a concrete additive capable of reducing the mixing water consumption under the condition of maintaining the slump of concrete basically unchanged, and has a dispersing effect on cement particles after being added into the concrete mixture, so that the workability of the concrete additive can be improved, the unit water consumption can be reduced, and the fluidity of the concrete mixture can be improved; or reduce the unit cement consumption, save cement, the water-reducing agent mainly divides into lignin sulfonate water-reducing agent class, naphthalene series high-efficiency water-reducing agent class, melamine series high-efficiency water-reducing agent class, wherein naphthalene series water-reducing agent not only can improve the intensity of concrete, reduce the water consumption, can also improve the resistance to abrasion, corrosion, the permeation etc. of concrete, therefore naphthalene series water-reducing agent is widely used in industries such as highway, bridge, tunnel, pier, civil building, etc., and naphthalene series water-reducing agent need carry out the hydrolysis through adding water with alpha-naphthalene sulfonic acid in the production process, avoid alpha-naphthalene sulfonic acid to influence condensation reaction, and in order to guarantee the production efficiency of naphthalene series water-reducing agent, need use quantitative water feeding device to guarantee the accuracy of adding water amount in the water adding process, but it still has following drawback in the in-service use:
1. the utility model has disclosed the quantitative feeding device of a polycarboxylate water reducing agent of publication number CN216224283U, the left side of the reaction kettle is fixedly connected with the pump bin, the sliding connection has pistons in the pump bin, the top of the piston is fixedly connected with the slide bar, the left side of the pump bin is fixedly connected with the cartridge, the right side of the cartridge is fixedly connected with the motor, fixedly connected with the rotary driving piece on the output shaft of the motor, the hinge joint between rotary driving piece and slide bar has connecting rods, can guarantee to convey the quantitative liquid through controlling the stroke that the piston goes up and down, avoid all needing to weigh each time, improve the convenience of use, but in actual use, each time carry on the quantitative addition of the liquid, all need to drive the piston to move up and down, the piston needs to consume certain time, is difficult to be suitable for the uninterrupted reaction production of a large number;
2. when quantitative liquid adding is carried out on the quantitative water feeding device, because the structure of the device is precise, friction can occur between the structures when the piston moves up and down, high-strength use can lead to abrasion caused by structural friction overheat, maintenance expenditure is increased, and accuracy of liquid measuring can be reduced.
Disclosure of Invention
The utility model aims to provide a quantitative water feeding device for a water reducing agent, which solves the problems that when the quantitative water feeding device is in actual use, the up-and-down movement of a piston takes a certain time, the device is difficult to be suitable for mass uninterrupted reaction production, and when the quantitative water feeding device is used in high strength, the structure is likely to be worn rapidly due to the fact that the same structure is repeatedly used for measuring and conveying liquid.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a quantitative water feeding device of a water reducing agent, which comprises a control box and a rotary liquid outlet box, wherein the front end of the bottom side of the control box is fixedly clamped with an air pump, the front top end of the front side of the outer periphery of the control box is penetrated and clamped with a liquid outlet pipe, when the liquid is conveyed, the inner side of a ventilation groove can be inflated through the air pump, a sealing slide plate at the corresponding position can be extruded by air pressure to move upwards by a certain distance, the liquid in a liquid storage groove at the corresponding position is discharged through the liquid outlet pipe, the liquid is quantitatively added, the accuracy of the liquid addition amount is ensured, the upper side of the control box is provided with a liquid supply box, when the liquid storage groove is communicated with the liquid outlet pipe for quantitatively adding the liquid, the liquid supply box can fill the inner sides of other liquid storage grooves, after the liquid in the liquid storage groove is completely conveyed, the liquid storage groove is connected with the liquid outlet pipe through rotating, the liquid storage groove filled with the liquid through rotating, the liquid storage groove is greatly improved in production efficiency, the repeated continuous use of the liquid storage groove is avoided, the inner side structure is prolonged, the service life of the liquid storage groove is prolonged, the service life of the liquid storage groove is prolonged, the liquid can be conveniently used, and the liquid can be conveniently fed into the liquid storage groove through the sliding device, and the liquid storage groove is conveniently and can be conveniently opened, and the liquid storage groove is conveniently and can be conveniently manufactured by rotating and has the liquid.
Further, the bottom side of the liquid supply box is penetrated and clamped with a plurality of liquid inlet pipes, the liquid inlet pipes are penetrated and clamped at the rear end of the upper side of the control box, the rear end of the upper side of the control box is penetrated and clamped with a plurality of vent pipes, and the peripheral surface of the liquid outlet pipe is penetrated and clamped with a pressure valve;
the liquid supply box inputs liquid to the inner side of the liquid storage tank through the liquid inlet pipe, and the liquid can not enter the inner side of the liquid storage tank quickly due to air pressure is avoided through the vent pipe, meanwhile, when the liquid is input, the weight of the liquid can squeeze the sealing slide plate, the sealing slide plate automatically moves downwards under the action of gravity, operation steps are reduced, and operation difficulty is reduced.
Further, a supporting frame is fixedly welded at the bottom end of the control box, a first vent hole is formed in the front end of the bottom side of the control box in a penetrating manner, a vent hole is formed in the rear end of the bottom side of the control box in a penetrating manner, the air pump is fixedly clamped at the lower side of the first vent hole, and the first vent hole and the inner side of the air pump are communicated in a penetrating manner;
when the quantitative output of liquid is carried out, air is pumped to the inner side of an air vent groove through the air pump, the sealing slide plate is extruded through air pressure, the sealing slide plate slowly moves upwards under the action of liquid gravity and air pressure, and quantitative liquid is discharged through the liquid outlet pipe, so that the operation is simple and convenient.
Further, a rotating motor is clamped at the center of the upper side of the rotating liquid outlet box, a plurality of liquid outlet holes are formed in the upper end of the peripheral surface of the rotating liquid outlet box in a penetrating mode, one liquid outlet hole is communicated with the inner side of a liquid storage groove in a penetrating mode, the rotating motor is clamped at the upper end of the control box in a penetrating mode, one liquid inlet pipe is communicated with the inner side of the liquid storage groove in a penetrating mode, one vent pipe is communicated with the inner side of the liquid storage groove in a penetrating mode, and one liquid outlet hole is attached to the rear side of the liquid outlet pipe;
the liquid outlet tank is driven to rotate by the rotating motor, so that the liquid outlet pipe is connected with the liquid storage tank filled with liquid, other liquid storage tanks are connected with the liquid supply tank, liquid is rapidly replenished in the used liquid storage tank, the production efficiency is greatly improved, and meanwhile, the rotating motor can be manually operated by replacing a turntable and the like, so that the structure of the device is further simplified, and the production cost is reduced.
Further, a limiting frame is fixedly welded on the inner side of the liquid storage tank and is positioned on the upper side of the ventilation tank, a plurality of second ventilation holes are formed in the bottom side of the rotating liquid outlet tank, one second ventilation hole is communicated with the inner side of the ventilation tank in a penetrating mode, one second ventilation hole is attached to the upper side of the first ventilation hole, and a plurality of second ventilation holes are attached to the upper side of the ventilation hole;
after the liquid in one liquid storage tank is conveyed, the liquid in the other liquid storage tank can be output through rotating the liquid outlet tank, so that the phenomenon that the inner side structure of the liquid storage tank is worn due to repeated and continuous use of the liquid storage tank is avoided, and the service life of the quantitative water feeding device is prolonged.
The utility model has the following beneficial effects:
1. the utility model solves the problems that the quantitative liquid is conveyed by controlling the lifting stroke of the piston, the operation of weighing is avoided each time, and the convenience of use is improved, the piston is required to be driven to move up and down each time when the quantitative liquid is added in actual use, the piston needs to consume a certain time to move up and down, and the quantitative liquid is difficult to be suitable for mass uninterrupted reaction production, when one liquid storage tank outputs quantitative liquid through the air pump and the liquid outlet pipe, the liquid supply tank connected with other liquid storage tanks can input the liquid to the inner side of the liquid storage tank, when the liquid in one liquid storage tank is used up, the liquid storage tanks adjacent to the liquid outlet pipe are connected through rotating the liquid outlet tank, the liquid output can be rapidly carried out again, and the production efficiency is greatly improved.
2. According to the quantitative liquid feeding device, the problems that when the quantitative liquid feeding device is used for quantitatively adding liquid, the structure of the quantitative liquid feeding device is precise, friction can occur between the structures when the piston moves up and down, the friction of the structure is overheated due to high-strength use, abrasion is caused, maintenance cost is increased, accuracy of liquid taking is reduced, after the liquid in one liquid storage tank is conveyed, the liquid in the other liquid storage tank can be output through rotating the liquid feeding tank, repeated continuous use of one liquid storage tank is avoided, abrasion of an inner side structure of the quantitative liquid feeding device is avoided, the service life of the quantitative liquid feeding device is prolonged, the weight of the liquid fed through rotating the liquid feeding tank can extrude a sealing slide plate after the liquid storage tank is connected with the liquid feeding tank, the sealing slide plate automatically moves downwards under the action of gravity, operation steps are reduced, operation difficulty is reduced, meanwhile, the structure of the device is simplified, and production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a structural effect diagram of the present utility model;
FIG. 3 is a block diagram of a control box of the present utility model;
FIG. 4 is a cross-sectional view of the control box of the present utility model;
FIG. 5 is a block diagram of the rotary outlet box of the present utility model;
FIG. 6 is a cross-sectional view of the rotary outlet box of the present utility model.
Reference numerals:
1. a control box; 101. a liquid supply tank; 102. an air pump; 103. a liquid outlet pipe; 104. a liquid inlet pipe; 105. a vent pipe; 106. a pressure valve; 107. a support frame; 108. a first vent hole; 109. a vent; 2. rotating the liquid outlet box; 201. a rotating motor; 202. a liquid storage tank; 203. a liquid outlet hole; 204. a sealing slide plate; 205. a limiting frame; 206. a vent groove; 207. and a second vent hole.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-6, the present utility model relates to a quantitative water feeding device for a water reducing agent, which comprises a control box 1 and a rotary liquid outlet box 2, wherein an air pump 102 is fixedly clamped at the front end of the bottom side of the control box 1, a liquid outlet pipe 103 is penetrated and clamped at the front top end of the outer periphery of the control box 1, when the liquid is output, the inner side of a vent groove 206 is inflated through the air pump 102, a sealing slide plate 204 at a corresponding position is extruded by air pressure to enable the sealing slide plate 204 at a corresponding position to slowly move upwards for a certain distance, the liquid in the liquid storage groove 202 at a corresponding position is discharged through the liquid outlet pipe 103, the liquid is quantitatively added, a liquid supply box 101 is arranged at the upper side of the control box 1, when the liquid storage groove 202 and the liquid outlet pipe 103 are communicated for quantitatively adding, the liquid is supplemented at the inner side of other liquid storage grooves 202, after the liquid in the liquid storage groove 202 is completely conveyed, the liquid storage groove 202 is immediately connected with the liquid outlet pipe 103 through the rotary liquid outlet box 2, the liquid storage groove 202 is prevented from being repeatedly and continuously used, the liquid in the inner side structure of the liquid storage groove 202 is enabled to be slowly moved upwards, the liquid storage groove 202 is prevented from being continuously worn out, and the liquid storage grooves 202 are continuously arranged at the inner sides of the control box 2, and the vent grooves 2 are continuously connected with the vent grooves are opened, and the liquid storage grooves are continuously arranged, and the liquid grooves are continuously arranged at the bottom side of the bottom of the liquid storage groove 202, and the liquid storage groove 202 is continuously, and the liquid is continuously connected with the liquid storage groove through the liquid.
As shown in fig. 1-4, the bottom side of the liquid supply tank 101 is connected with a plurality of liquid inlet pipes 104 in a penetrating manner, the liquid inlet pipes 104 are connected with the rear end of the upper side of the control tank 1 in a penetrating manner, the rear end of the upper side of the control tank 1 is connected with a plurality of ventilation pipes 105 in a penetrating manner, the peripheral surface of the liquid outlet pipe 103 is connected with a pressure valve 106 in a penetrating manner, a supporting frame 107 is fixedly welded at the bottom end of the control tank 1, a first ventilation hole 108 is formed in the front end of the bottom side of the control tank 1 in a penetrating manner, a ventilation hole 109 is formed in the rear end of the bottom side of the control tank 1 in a penetrating manner, the air pump 102 is fixedly connected with the lower side of the first ventilation hole 108 in a penetrating manner, and the first ventilation hole 108 and the inner side of the air pump 102 are communicated in a penetrating manner;
when the hydrolysis operation of the water reducer is carried out, a large amount of hydrolysis water is filled in the liquid supply tank 101, the water enters the inner sides of the liquid storage tanks 202 through the liquid inlet pipes 104 under the action of gravity, the water is communicated with the outside environment through the vent pipes 105, the water is filled in the inner sides of the liquid storage tanks 202, when the liquid is input, the water extrudes the sealing slide plates 204, the sealing slide plates 204 slide downwards to the bottom ends of the liquid storage tanks 202 along the liquid storage tanks 202 under the action of gravity, when the quantitative output of the water is carried out, the liquid outlet tank 2 is rotated to enable the liquid storage tanks 202 filled with the water to be connected with the liquid outlet pipes 103, air is pumped to the inner sides of the corresponding vent tanks 206 through the air pumps 102, the sealing slide plates 204 are extruded through air pressure, the sealing slide plates 204 slowly move upwards under the action of the gravity and the air pressure of the liquid, the pressure valve 106 is extruded to be opened, and the quantitative liquid is output through the liquid outlet pipes 103.
As shown in fig. 1, 2, 5 and 6, a rotating motor 201 is clamped in the center of the upper side of the rotating liquid outlet box 2, a plurality of liquid outlet holes 203 are formed in the upper end of the peripheral surface of the rotating liquid outlet box 2 in a penetrating manner, one liquid outlet hole 203 is communicated with the inner side of a liquid storage groove 202 in a penetrating manner, the rotating motor 201 is clamped in the upper end of the control box 1 in a penetrating manner, one liquid inlet pipe 104 is communicated with the inner side of the liquid storage groove 202 in a penetrating manner, one ventilation pipe 105 is communicated with the inner side of the liquid storage groove 202 in a penetrating manner, one liquid outlet hole 203 is attached to the rear side of the liquid outlet pipe 103, a limiting frame 205 is fixedly welded on the inner side of the liquid storage groove 202, the limiting frame 205 is positioned on the upper side of a ventilation groove 206, a plurality of second ventilation holes 207 are formed in the lower side of the rotating liquid outlet box 2, one second ventilation hole 207 is attached to the upper side of the first ventilation hole 108, and a plurality of second ventilation holes 207 are attached to the upper side of ventilation holes 109;
after the liquid in one liquid storage tank 202 is conveyed, the liquid outlet tank 2 is driven to rotate by the rotating motor 201, so that the liquid outlet pipe 103 is connected with the liquid storage tank 202 filled with the liquid adjacently, and the liquid is output, so that the phenomenon that the inner side structure of the liquid storage tank 202 is worn due to repeated and continuous use is avoided.
The working principle of the embodiment is as follows: when the hydrolysis operation of the water reducer is carried out, a large amount of hydrolysis water is filled in the liquid supply tank 101, water enters the inner side of the liquid storage tank 202 through the plurality of liquid inlet pipes 104 under the action of gravity, the water is communicated with the external environment, the inner side of the liquid storage tank 202 is fully filled with water, the liquid outlet tank 2 is driven to rotate through the rotating motor 201, the liquid outlet pipe 103 is connected with the liquid storage tank 202 which is adjacently fully filled with liquid, the air pump 102 is controlled to pump air to the inner side of the corresponding air vent tank 206, the sealing slide plate 204 is extruded through air pressure, the sealing slide plate 204 slowly moves upwards for a certain distance under the action of liquid gravity and air pressure, the pressure valve 106 is further extruded by the water to enable the sealing slide plate 204 to be opened, quantitative liquid is output through the liquid outlet pipe 103, when the liquid in one liquid storage tank 202 is used up or the residual quantity is insufficient for carrying out another water required by the other water, the rotating motor 201 is controlled to drive the liquid outlet tank 2 to rotate, the liquid outlet pipe 103 is enabled to be connected with the liquid storage tank 202 which is adjacently fully filled with liquid, the liquid is prevented from repeatedly using one liquid storage tank 202, the sealing slide plate 204 is enabled to be continuously used, the inner side of the sealing slide plate 204 is prevented from being worn down by the water inlet pipe 204, and the sealing slide plate 204 is worn down by the water inlet pipe 101, and the sealing slide plate is pushed down by the sealing slide plate 204 is filled down by the water in the air inlet pipe 204, and the sealing slide plate is filled down under the sealing slide plate 204, and the sealing slide plate 204 is filled down under the water is filled down and has the water inside and has been filled down, and has the water is filled down and has been filled.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (5)
1. The utility model provides a quantitative water supply device of water-reducing agent, includes control box (1) and rotates play liquid case (2), its characterized in that: the utility model discloses a control box, including control box (1), air pump (102) is fixed in to control box (1) downside front end joint, control box (1) periphery front side top runs through the joint and has a drain pipe (103), control box (1) upside is provided with liquid feed case (101), control box (1) inboard is pegged graft and is had and rotate out liquid case (2), a plurality of reservoir (202) have been seted up along rotating out liquid case (2) upper side edge, one reservoir (202) inboard slip joint has sealed slide (204), one reservoir (202) bottom has been seted up one ventilation groove (206).
2. The quantitative water feeding device for the water reducer according to claim 1, wherein: the utility model discloses a control box, including feed liquor case (101), feed liquor case (101) bottom side runs through the joint has a plurality of feed liquor pipe (104), a plurality of feed liquor pipe (104) run through the joint in control box (1) upside rear end, control box (1) upside rear end runs through the joint has a plurality of breather pipes (105), the joint has been run through to drain pipe (103) outer peripheral face pressure valve (106).
3. The quantitative water feeding device for the water reducer according to claim 1, wherein: the novel air pump is characterized in that a supporting frame (107) is fixedly welded at the bottom end of the control box (1), a first vent hole (108) is formed in the front end of the bottom side of the control box (1) in a penetrating mode, a vent hole (109) is formed in the rear end of the bottom side of the control box (1) in a penetrating mode, the air pump (102) is fixedly clamped at the lower side of the first vent hole (108), and the inner side of the first vent hole (108) and the inner side of the air pump (102) are communicated in a penetrating mode.
4. The quantitative water feeding device of the water reducing agent according to claim 2, wherein: the utility model discloses a liquid outlet box, including rotation liquid outlet box (2), rotation liquid outlet box (2) upside central authorities joint has rotation motor (201), a plurality of play liquid holes (203) have been run through to rotation liquid outlet box (2) outer peripheral face upper end, one go out liquid hole (203) and a reservoir (202) inboard run through the intercommunication, rotation motor (201) run through the joint in control box (1) upper end, one feed liquor pipe (104) and a reservoir (202) inboard run through the intercommunication, one breather pipe (105) and a reservoir (202) inboard run through the intercommunication, one play liquid hole (203) laminating in drain pipe (103) rear side.
5. A water reducing agent dosing and feeding device according to claim 3, wherein: one reservoir (202) inboard welded fastening has spacing (205), spacing (205) are located ventilation groove (206) upside, rotate and go out a plurality of second vent holes (207) have been seted up to liquid case (2) bottom side, one second vent hole (207) and the inboard intercommunication of running through of ventilation groove (206), one second vent hole (207) laminating in first vent hole (108) upside, a plurality of second vent hole (207) laminating in vent hole (109) upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978360.XU CN220460624U (en) | 2023-07-25 | 2023-07-25 | Quantitative water feeding device for water reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978360.XU CN220460624U (en) | 2023-07-25 | 2023-07-25 | Quantitative water feeding device for water reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220460624U true CN220460624U (en) | 2024-02-09 |
Family
ID=89776891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321978360.XU Active CN220460624U (en) | 2023-07-25 | 2023-07-25 | Quantitative water feeding device for water reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220460624U (en) |
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2023
- 2023-07-25 CN CN202321978360.XU patent/CN220460624U/en active Active
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