CN217987935U - Dental chair water receiver with two water storage bottles - Google Patents
Dental chair water receiver with two water storage bottles Download PDFInfo
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- CN217987935U CN217987935U CN202222021108.1U CN202222021108U CN217987935U CN 217987935 U CN217987935 U CN 217987935U CN 202222021108 U CN202222021108 U CN 202222021108U CN 217987935 U CN217987935 U CN 217987935U
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Abstract
The utility model discloses a dental chair water receiver with two water storage bottles, which comprises a bottle body and an installation part arranged on the upper side of the bottle body, wherein the upper side of the bottle body is provided with an electromagnetic three-way valve, the lower side of the bottle body is provided with a water storage bottle installation cavity, the front end of the water storage bottle installation cavity is provided with an opening, the water storage bottle comprises a first water storage bottle and a second water storage bottle, the first water storage bottle and the second water storage bottle are detachably arranged in the water storage bottle installation cavity at intervals, and the water outlet end of the electromagnetic three-way valve is connected with the water inlet pipe of the dental chair water inlet device; and two water inlet ends of the electromagnetic three-way valve extend into the first water storage bottle and the second water storage bottle through water pipes respectively. The first water storage bottle or the second water storage bottle is used for containing disinfectant and cleaning agent respectively, and water is switched to the first water storage bottle or the second water storage bottle through the electromagnetic three-way valve, so that automatic switching is facilitated, the cleaning and disinfecting efficiency is improved, and errors caused by frequent replacement of a water storage device are avoided; the water storage bottle can be conveniently detached, and operation is convenient.
Description
Technical Field
The utility model relates to a dentistry comprehensive treatment platform technical field, concretely relates to dental chair water receiver with two water storage bottles.
Background
With the development of social economy and oral medicine, more and more people pay attention to the diagnosis, treatment, prevention and health care of oral diseases. In recent years, the demand for oral medical services has increased, and the number of medical institutions providing oral medical services has also increased rapidly.
The water path of the oral cavity comprehensive treatment table (such as a dental chair, a dental handpiece and the like) is easy to cause secondary pollution due to the complexity and the particularity of the structure, and becomes a serious infection source in iatrogenic infection. Therefore, after each treatment, rigorous cleaning and disinfection is required. The standard dental chair waterway disinfection standard (DB 33/T2307-2021) in Zhejiang province of 2021 requires: the dental chair water pipe system uses an independent water storage tank and is suitable for cleaning and disinfecting every day, the centralized water supply is used for the dental chair without the independent water storage tank, and the independent water storage tank or an external waterway cleaning and disinfecting device is suitable to be additionally arranged; and specifies a specific cleaning and disinfecting method of the independent water storage tank: and after an enzyme cleaning agent or other cleaning agents are filled into the independent water storage tank for cleaning, the pipeline is flushed with purified water, and after disinfection is carried out by disinfectant, the pipeline is flushed with purified water.
At present, the water inlet device of the old dental chair is only provided with one water inlet pipe, so that when the cleaning and disinfection program is executed, a water storage tank needs to be replaced by a disinfectant, or the disinfectant needs to be replaced by the cleanser; the replacement efficiency is low, and errors are easy to occur.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the utility model provides a dental chair water receiver with two water storage bottles switches into first water storage bottle or second water storage bottle through electromagnetic three-way valve with intaking, and first water storage bottle or second water storage bottle are used for adorning antiseptic solution and sanitizer respectively, avoid frequently changing the water receiver.
The utility model discloses a dental chair water receiver with two water storage bottles, which comprises a bottle body and an installation part arranged on the upper side of the bottle body, wherein the upper side of the bottle body is provided with an electromagnetic three-way valve, the lower side of the bottle body is provided with a water storage bottle installation cavity, the front end of the water storage bottle installation cavity is provided with an opening, the water storage bottle comprises a first water storage bottle and a second water storage bottle, the first water storage bottle and the second water storage bottle are detachably arranged in the water storage bottle installation cavity at intervals, and the water outlet end of the electromagnetic three-way valve is connected with the water inlet pipe of the dental chair water inlet device; two water inlet ends of the electromagnetic three-way valve extend into the first water storage bottle and the second water storage bottle through water pipes respectively.
Preferably, the mounting member is rotatably mounted at an upper end of the bottle body;
two water inlet ends of the electromagnetic three-way valve are respectively provided with a one-way valve, and a first water pipe connected with one-way valve extends towards the bottom of the first water storage bottle;
the second water pipe connected with the other one-way valve extends to the bottom of the second water storage bottle.
Preferably, the upper side of the bottle body is provided with an installation cavity, and the electromagnetic three-way valve and the one-way valve are installed in the installation cavity;
and the water outlet end of the electromagnetic three-way valve is provided with a water outlet hard pipe matched with the water inlet pipe.
Preferably, the front ends of the first water storage bottle and the second water storage bottle are provided with handles;
and a stop part is arranged on the front side of the lower side wall of the water storage bottle mounting cavity.
Preferably, a water bottle socket is arranged on the rear side wall of the water storage bottle mounting cavity,
the water bottle socket is connected with the water inlet end of the electromagnetic three-way valve;
the rear end of the water storage bottle is provided with a water bottle plug matched with the water bottle socket, the water bottle plug is provided with a boss, and the boss is in interference fit with the water bottle socket;
and a water pipe connected with the water bottle plug extends towards the first water storage bottle or the second water storage bottle.
Preferably, one corner of the water storage bottle mounting cavity is provided with an arc-shaped angle, and one corner of the water storage bottle is provided with a positioning angle matched with the arc-shaped angle.
Preferably, the upper end of the bottle body is provided with a mounting boss,
the mounting part is provided with a rotating groove matched with the mounting boss,
the mounting member is rotatably mounted on the mounting boss.
Preferably, the utility model also comprises a control module and a wireless module,
the control module is respectively electrically connected with the electromagnetic three-way valve and the wireless module,
the control module is connected with the upper computer through the wireless module.
Preferably, the upper computer comprises a controller of the dental chair,
the dental chair is provided with a second electromagnetic three-way valve, a water pump and a dental chair pipeline,
the first input end of the second electromagnetic three-way valve is connected with pure water, the second input end of the second electromagnetic three-way valve is connected with the output end of the electromagnetic three-way valve, the output end of the second electromagnetic three-way valve is connected with a water pump, and the water pump is connected with a dental chair water path;
and the upper computer is electrically connected with the second electromagnetic three-way valve and the water pump.
Compared with the prior art, the beneficial effects of the utility model are that: the first water storage bottle or the second water storage bottle is respectively used for containing disinfectant and detergent, and water is switched to the first water storage bottle or the second water storage bottle through the electromagnetic three-way valve, so that automatic switching is facilitated, the cleaning and disinfecting efficiency is improved, and errors caused by frequent replacement of a water storage device are avoided; the water storage bottle can be conveniently detached, and operation is convenient.
Drawings
FIG. 1 is a schematic view of the installation of the water reservoir of the present invention;
FIG. 2 is a schematic view showing a structure of the water reservoir of embodiment 1;
FIG. 3 is a schematic view of the installation of the water reservoir of embodiment 2;
FIG. 4 is a schematic view of the structure of the installation cavity of embodiment 2;
FIG. 5 is a schematic structural view of a first water storage bottle of embodiment 2;
fig. 6 is a logical block diagram of the operation principle of the water reservoir of embodiment 3.
The labels in the figure are:
1 a water storage device, wherein the water storage device,
2 bottle body, 21 mounting boss, 22 stop part, 23 water storage bottle mounting cavity, 24 second mounting chamfer,
3 mounting piece, 32 rotary groove, 33 screw pipe, 34 first mounting chamfer,
4 installation cavity, 41 electromagnetic three-way valve, 42 one-way valve,
5 a first water storage cavity, 51 a first water storage bottle, 52 a first water pipe, 53 a water filling port, 54 a partition board, 55 a glue cover, 56 a handle, 57 a water bottle socket, 58 a positioning angle, 59 a water bottle plug,
6 a second water storage cavity, 61 a second water storage bottle, 62 a second water pipe,
7 dental chair water inlet device, 71 mounting interface, 72 water inlet pipe,
8 wireless module, 81 control module, 82 host computer, 83 second electromagnetism three-way valve, 84 water pump, 85 dental chair water route.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
3-5, the water storage device 1 comprises a bottle body 2 and a mounting part 3 arranged on the upper side of the bottle body 2, an electromagnetic three-way valve 41 is arranged on the upper side of the bottle body 2, a water storage bottle mounting cavity 23 is arranged on the lower side of the bottle body 2, an opening is arranged at the front end of the water storage bottle mounting cavity 23, the water storage bottles comprise a first water storage bottle 51 and a second water storage bottle 61, a first water storage cavity and a second water storage cavity are respectively arranged in the first water storage bottle 51 and the second water storage bottle 61, the first water storage bottle 51 and the second water storage bottle 61 are detachably arranged in the water storage bottle mounting cavity 23 at intervals, and the water outlet end of the electromagnetic three-way valve 41 is connected with a water inlet pipe 72 of a water inlet device 7 of the dental chair; two water inlet ends of the electromagnetic three-way valve 41 extend into the first water storage bottle 51 and the second water storage bottle 61 through water pipes respectively.
The first water storage bottle or the second water storage bottle is used for containing disinfectant and cleaning agent respectively, and water is switched to the first water storage bottle or the second water storage bottle through the electromagnetic three-way valve, so that automatic switching is facilitated, the cleaning and disinfecting efficiency is improved, and errors caused by frequent replacement of a water storage device are avoided; the water storage bottle that can conveniently dismantle conveniently operates like liquid feeding, liquid changing, cleanness etc..
Example 1
As a modification, as shown in fig. 1-2, the water reservoir includes a bottle body 2 and a mounting member 3 provided at an upper end of the bottle body 2, wherein an electromagnetic three-way valve 41 is provided at an upper side of the bottle body 2, and a first water storage chamber 5 and a second water storage chamber 6 are provided at a lower side thereof at an interval; the upper end of the mounting piece 3 is provided with a threaded pipe 33 matched with a mounting interface 71 of the dental chair water inlet device 7; the water outlet end of the electromagnetic three-way valve 41 is connected with the water inlet pipe of the water inlet device 7 of the dental chair; two water inlet ends of the electromagnetic three-way valve 41 extend into the first water storage cavity 5 and the second water storage cavity 6 through water pipes respectively.
First water storage chamber or second water storage chamber are used for adorning antiseptic solution and sanitizer respectively, will intake water through electromagnetic three-way valve and switch to first water storage chamber or second water storage chamber, conveniently carry out automatic switch-over, have improved cleaning and disinfecting's efficiency, avoid owing to frequently change the mistake that the water receiver caused.
As shown in fig. 1, 2 and 6, two water inlet ends of the electromagnetic three-way valve 41 are respectively provided with a one-way valve 42, and a first water pipe 52 connected with one-way valve 42 extends towards the bottom of the first water storage chamber 5; a second water pipe 62 connected to the other check valve 42 extends toward the bottom of the second water storage chamber 6. Through the check valve, the cross contamination of two reagents caused by backflow under the condition of power failure is avoided.
Wherein, the upper side of the bottle body 2 can be provided with a mounting cavity 4, and the electromagnetic three-way valve 41 and the one-way valve 42 are arranged in the mounting cavity 4. But not limited thereto, a control module, a wireless module, a battery, etc. may be further disposed in the mounting cavity, and the mounting cavity should be protected from moisture, so that a sealing ring (not shown in the figure) may be mounted on the upper side of the mounting cavity.
The side walls of the first water storage cavity 5 and the second water storage cavity 6 are respectively provided with a water filling port 53, and the water filling port 53 is provided with a detachable rubber cover 55; the water filling port 53 is provided with a type-class identifier (not shown) on one side for identifying the type of the reagent. Wherein the first water storage chamber 5 and the second water storage chamber 6 are partitioned by a partition plate 54.
The water outlet end of the electromagnetic three-way valve 41 is provided with a water outlet hard pipe matched with the water inlet pipe of the dental chair water inlet device 7, and the water inlet pipe is connected to the water outlet hard pipe before the water storage device is installed.
The mounting member may be fixed to the upper end of the bottle body, preferably in one piece; or can be rotatably mounted at the upper end of the bottle body, and the water storage device can be mounted on the mounting interface 71 only by rotating the mounting piece under the condition of holding the water storage device; the bottle body 2 is transparent or semitransparent and has scales.
But is not limited thereto, and a level sensor may be provided in the first and second water storage chambers. The end of the water pipe can be provided with a weight drop (not shown in the figure) so that the end is attached to the bottom of the water storage cavity.
Example 2
As shown in fig. 3-5, the mounting member 3 is rotatably mounted to the upper end of the bottle body 2. Specifically, the upper end of the bottle body 2 is provided with a mounting boss 21, the mounting member 3 is provided with a rotating groove 32 matched with the mounting boss 21, and the mounting member 3 is rotatably mounted on the mounting boss 21. Two water inlet ends of the electromagnetic three-way valve 41 are respectively provided with a one-way valve 42, and a first water pipe connected with one-way valve (a first one-way valve) extends towards the bottom of the first water storage bottle; the second water pipe connected to the other check valve (second check valve) extends toward the bottom of the second water storage bottle (the first and second water pipes are not shown in fig. 3 to 5).
An installation cavity 4 is formed in the upper side of the bottle body 2, and an electromagnetic three-way valve 41 and a one-way valve 42 are installed in the installation cavity 4; the water outlet end of the three-way electromagnetic valve 41 can be provided with a water outlet hard pipe matched with the water inlet pipe 72.
The front end of the water storage bottle can be provided with a handle 56; the front side of the lower side wall of the water storage bottle mounting cavity 23 is provided with a stop part 22, and the stop part 22 can be a stop protrusion or a stop strip to prevent the water storage bottle from sliding out and play a role in mounting and positioning. Wherein the opening at the front end may also be provided with a door (not shown in the figures).
A water bottle socket 57 is arranged on the rear side wall of the water bottle mounting cavity, and the water bottle socket 57 is connected with the water inlet end of the electromagnetic three-way valve 41; the rear end of the water bottle is provided with a water bottle plug 59 matched with the water bottle socket 57, the water bottle plug 59 can be provided with a boss, the boss is in interference fit with the water bottle socket 57, specifically, the water bottle socket can adopt a rubber tube, and the water bottle plug can adopt a metal plug, such as a copper plug; the water tube connected to the water bottle plug 59 extends towards the first water storage bottle or the second water storage bottle (water outlet tube not shown).
One corner of the water storage bottle mounting cavity 23 is provided with an arc-shaped angle, and one corner of the water storage bottle is provided with a positioning angle 58 matched with the arc-shaped angle, so that the two water storage bottles are prevented from being mounted in a staggered manner.
Example 3
In specific control, as shown in fig. 6, the electromagnetic three-way valve control device comprises a control module 81 and a wireless module 8, wherein the control module 81 is electrically connected with the electromagnetic three-way valve and the wireless module respectively, and the control module is connected with an upper computer through the wireless module. Can do benefit to the realization automation through the input direction of host computer control electromagnetism three-way valve.
But not limited to, a switch button connected with the control module can be arranged on the water storage device for manually switching the direction of the input end. The chip of the control module can adopt an STM32 processor or an ARM processor, but is not limited thereto.
As shown in FIG. 6, the upper computer 82 includes a controller of the dental chair, wherein the controller is prior art and will not be described in detail in this application. The dental chair is provided with a second electromagnetic three-way valve 83, a water pump 84 and a dental chair waterway 85,
a first input end of the second electromagnetic three-way valve 83 is connected with pure water, a second input end is connected with an output end of the electromagnetic three-way valve 41, an output end is connected with a water pump 84, the water pump 84 is connected with a dental chair water path 85, and the specific water pump is a part of the dental chair water path. The upper computer 82 is also electrically connected with a second electromagnetic three-way valve 83 and a water pump 84.
In one particular cleaning and disinfecting step, the method comprises the following steps:
as indicated by arrows in fig. 6, the enzyme detergent in the first water storage cavity sequentially passes through the one-way valve, the electromagnetic three-way valve, the dental chair water inlet device, the second electromagnetic three-way valve and the water pump, flows to the dental chair waterway and is cleaned for 3-5 minutes;
pure water flows to the dental chair waterway through the second electromagnetic three-way valve and the water pump and is flushed for more than 3 minutes;
the disinfectant in the second water storage cavity sequentially passes through the one-way valve, the electromagnetic three-way valve, the dental chair water inlet device, the second electromagnetic three-way valve and the water pump, flows to the dental chair water way and is cleaned for 15-20 minutes;
pure water flows to the dental chair waterway through the second electromagnetic three-way valve and the water pump and is flushed for more than 3 minutes;
and (4) emptying water in the waterway of the dental chair, turning off the power supply, taking off the water storage device, and drying and storing after cleaning.
Example 4
In order to facilitate the installation of the dental chair water storage device, as shown in fig. 2 and 4, the upper end of the bottle body 2 is provided with an installation boss 21, the installation member 3 is a tube installation member, a rotating groove 32 matched with the installation boss 21 is arranged in the installation member 3, and the inner side of the lower end surface of the installation member 3 is provided with a first installation chamfer 34; a second mounting chamfer 24 corresponding to the first mounting chamfer 34 is arranged on the inner side of the upper end surface of the mounting boss 21, and the mounting part 3 is mounted on the mounting boss 21 through the matching of the first mounting chamfer 34 and the second mounting chamfer 24; an electromagnetic three-way valve 41 is arranged on the upper side of the bottle body 2, and a first water storage cavity 5 and a second water storage cavity 6 are arranged on the lower side at intervals; the upper end of the mounting piece 3 is provided with a threaded pipe 33 matched with a mounting interface 71 of the dental chair water inlet device 7; the water outlet end of the electromagnetic three-way valve 41 is connected with the water inlet pipe of the water inlet device 7 of the dental chair; two water inlet ends of the electromagnetic three-way valve 41 extend into the first water storage cavity 5 and the second water storage cavity 6 through water pipes respectively.
The mounting piece 3 and the bottle body 2 are respectively constructed into two parts, the mounting piece 3 is mounted on the mounting boss 21 at the upper end of the bottle body 2 through the matching of the first mounting chamfer and the second mounting chamfer, the rotatable mounting of the mounting piece is realized, and the threaded pipe of the mounting piece 3 is mounted on the mounting interface of the water inlet device of the dental chair through rotating the mounting piece, so that the mounting of the bottle body is realized, and the mounting of the water storage device is convenient; especially, in the case that the weight of the water container is large, the body shape is large, or the body shape is irregular, as in embodiment 2, the bottle body is not convenient to rotate, and can be conveniently rotated and installed through the installation part; first water storage chamber or second water storage chamber are used for adorning antiseptic solution and sanitizer respectively, will intake water through electromagnetic three-way valve and switch to first water storage chamber or second water storage chamber, conveniently carry out automatic switch-over, have improved cleaning and disinfecting's efficiency, avoid owing to frequently change the mistake that the water receiver caused.
It should be noted that the mounting 3 and mounting interface 71 are of limited weight, and that the weight of the reservoir 1, in the case of excess weight, requires additional support, such as a rotating bearing at the lower end of the bottle.
After installation, the lower end surface of the installation boss 21 is supported on the lower side wall of the rotating groove 32; the outer side wall of the rotation groove may be provided with friction lines, such as twills (not shown in the figure). The upper end of the bottle body 2 is provided with a bottle mouth, and the mounting boss 21 is arranged on the bottle mouth.
In a specific design, as shown in fig. 4, a water storage bottle installation cavity 23 is arranged on the lower side of the bottle body 2, an opening is arranged at the front end of the water storage bottle installation cavity 23, a first water storage bottle 51 and a second water storage bottle 61 which are detachable are arranged in the water storage bottle installation cavity 23 at intervals, the first water storage cavity 5 is arranged in the first water storage bottle 51, and the second water storage cavity 6 is arranged in the second water storage bottle 61.
The utility model discloses a water receiver reforms transform the cleaning and disinfection of dental chair, and has avoided modifying the inside pipeline of dental chair and circuit, consequently has good market perspective.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A dental chair water receiver with double water storage bottles is characterized by comprising a bottle body and a mounting part arranged on the upper side of the bottle body,
an electromagnetic three-way valve is arranged on the upper side of the bottle body, a water storage bottle mounting cavity is arranged on the lower side of the bottle body,
the front end of the water storage bottle mounting cavity is provided with an opening,
the water storage bottle comprises a first water storage bottle and a second water storage bottle,
a first water storage bottle and a second water storage bottle which are detachable are arranged in the water storage bottle mounting cavity at intervals,
the water outlet end of the electromagnetic three-way valve is connected with the water inlet pipe of the water inlet device of the dental chair;
and two water inlet ends of the electromagnetic three-way valve extend to the first water storage bottle and the second water storage bottle through water pipes respectively.
2. The dental chair water reservoir as claimed in claim 1, wherein the mounting member is rotatably mounted at an upper end of the bottle body;
two water inlet ends of the electromagnetic three-way valve are respectively provided with a one-way valve, and a first water pipe connected with one-way valve extends towards the bottom of the first water storage bottle;
the second water pipe connected with the other one-way valve extends to the bottom of the second water storage bottle.
3. The dental chair water reservoir as claimed in claim 1, wherein the upper side of the bottle body is provided with a mounting cavity, and the electromagnetic three-way valve and the one-way valve are mounted in the mounting cavity;
and the water outlet end of the electromagnetic three-way valve is provided with a water outlet hard pipe matched with the water inlet pipe.
4. The dental chair water reservoir as claimed in claim 1, wherein the front ends of the first and second water storage bottles are provided with handles;
and a stop part is arranged on the front side of the lower side wall of the water storage bottle mounting cavity.
5. The dental chair water reservoir as claimed in claim 1, wherein the water reservoir mounting chamber rear side wall is provided with a water reservoir socket,
the water bottle socket is connected with the water inlet end of the electromagnetic three-way valve;
the rear end of the water storage bottle is provided with a water bottle plug matched with the water bottle socket, the water bottle plug is provided with a boss, and the boss is in interference fit with the water bottle socket;
and a water pipe connected with the water bottle plug extends towards the first water storage bottle or the second water storage bottle.
6. The dental chair water reservoir as claimed in claim 1, wherein one corner of the water storage bottle mounting cavity is provided with an arc-shaped angle, and one corner of the water storage bottle is provided with a positioning angle matched with the arc-shaped angle.
7. The dental chair water reservoir as claimed in claim 1, wherein the bottle body is provided at an upper end thereof with a mounting boss,
the mounting part is provided with a rotating groove matched with the mounting boss,
the mounting member is rotatably mounted on the mounting boss.
8. The dental chair water reservoir as claimed in any one of claims 1-7, further comprising a control module and a wireless module,
the control module is respectively electrically connected with the electromagnetic three-way valve and the wireless module,
the control module is connected with the upper computer through the wireless module.
9. The dental chair water reservoir as claimed in claim 8, wherein the upper computer comprises a controller of a dental chair,
the dental chair is provided with a second electromagnetic three-way valve, a water pump and a dental chair pipeline,
the first input end of the second electromagnetic three-way valve is connected with pure water, the second input end of the second electromagnetic three-way valve is connected with the output end of the electromagnetic three-way valve, the output end of the second electromagnetic three-way valve is connected with a water pump, and the water pump is connected with a dental chair water path;
and the upper computer is electrically connected with the second electromagnetic three-way valve and the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021108.1U CN217987935U (en) | 2022-08-02 | 2022-08-02 | Dental chair water receiver with two water storage bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021108.1U CN217987935U (en) | 2022-08-02 | 2022-08-02 | Dental chair water receiver with two water storage bottles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217987935U true CN217987935U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222021108.1U Active CN217987935U (en) | 2022-08-02 | 2022-08-02 | Dental chair water receiver with two water storage bottles |
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| Country | Link |
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| CN (1) | CN217987935U (en) |
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2022
- 2022-08-02 CN CN202222021108.1U patent/CN217987935U/en active Active
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