CN219909170U - Mute type double-cavity non-negative pressure water supply equipment - Google Patents

Mute type double-cavity non-negative pressure water supply equipment Download PDF

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Publication number
CN219909170U
CN219909170U CN202321600282.XU CN202321600282U CN219909170U CN 219909170 U CN219909170 U CN 219909170U CN 202321600282 U CN202321600282 U CN 202321600282U CN 219909170 U CN219909170 U CN 219909170U
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water
cavity
water supply
air
negative pressure
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CN202321600282.XU
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陈平
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Yikun Smart Water Group Co ltd
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Yikun Smart Water Group Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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Abstract

The utility model belongs to the technical field of water supply equipment, and particularly relates to mute double-cavity non-negative pressure water supply equipment, which comprises: the mounting box is internally provided with a plurality of mounting brackets; the pressure stabilizing device comprises a connecting pipe, a pressure stabilizing tank and a vacuum inhibitor, and the vacuum inhibitor is connected with an air pipe; the water supply device comprises a water inlet assembly, a water outlet assembly and a water storage tank, an air cavity and a water cavity are arranged in the water storage tank, a channel is arranged between the air cavity and the water cavity, the water inlet assembly and the water outlet assembly are both connected to the water cavity, and the air cavity is connected with an air pipe; the water inlet assembly, the water outlet assembly, the pressure stabilizing device and the water supply device are all arranged in the mounting box and are fixed through a plurality of mounting brackets; the connecting pipe connects the pressure stabilizing tank to the water outlet pipe, and the water outlet pipe is connected with a household water pipeline and connected with the water storage tank.

Description

Mute type double-cavity non-negative pressure water supply equipment
Technical Field
The utility model belongs to the technical field of water supply equipment, and particularly relates to mute double-cavity non-negative pressure water supply equipment.
Background
The non-negative pressure water supply device is a pressurized water supply unit, is directly connected with the municipal water supply network, and is used for series pressure-superposed water supply on the basis of the residual pressure of the municipal pipe network to ensure that the pressure of the municipal pipe network is not less than the set protection pressure (the set pressure is required to be higher than the pressure requirement of a district direct supply area and is generally not less than 1.2 Kg); the core of the pipe network pressure-superposed (non-negative pressure) water supply equipment is how to prevent negative pressure from being generated in the operation process of a secondary pressurized water supply system, eliminates the influence of unit operation on a municipal pipe network, and realizes safe, reliable and stable water supply on the premise of ensuring that water consumption of nearby users is not influenced; the non-negative pressure water supply equipment is also called pipe network pressure-superposed water supply equipment, and tank type non-negative pressure water supply equipment and box type non-negative pressure water supply equipment are mainly available in the market;
the existing non-negative pressure water supply equipment is shown as the non-negative pressure water supply equipment with the Chinese utility model bulletin No. CN112252402A, when the air pressure in a high-pressure cavity is insufficient, inert gas needs to be supplemented into the high-pressure cavity through an external pipeline, so that in the use process of the equipment, workers are required to frequently check the equipment to ensure timely maintenance, the cost of the workers is increased, and therefore, the mute double-cavity non-negative pressure water supply equipment is specially designed.
Disclosure of Invention
The utility model aims at solving the technical problems, and provides mute double-cavity negative pressure-free water supply equipment, which achieves the effects of reducing the cost of people and automatically supplementing air for the equipment.
In view of this, the present utility model provides a silent dual-chamber non-negative pressure water supply apparatus, comprising:
the mounting box is internally provided with a plurality of mounting brackets;
the pressure stabilizing device comprises a connecting pipe, a pressure stabilizing tank and a vacuum inhibitor, and the vacuum inhibitor is connected with an air pipe;
the water supply device comprises a water inlet assembly, a water outlet assembly and a water storage tank, an air cavity and a water cavity are arranged in the water storage tank, a channel is arranged between the air cavity and the water cavity, the water inlet assembly and the water outlet assembly are both connected to the water cavity, and the air cavity is connected with an air pipe;
the water inlet assembly, the water outlet assembly, the pressure stabilizing device and the water supply device are all arranged in the mounting box and are fixed through a plurality of mounting brackets;
the connecting pipe connects the pressure stabilizing tank to the water outlet pipe, and the water outlet pipe is connected with a household water pipeline and connected with the water storage tank.
In this technical scheme, the air cavity utilizes the passageway to collect the liquid level variation of intracavity owing to running water and the gas that escapes in the running water and then produces the air supply to can provide gas to vacuum suppressor and supply, and then no longer need to carry out the air supplement or directly mend from the atmosphere through leading-in gas at outside trachea, saved the time of mending for the air cavity timing, promoted work efficiency, also avoided the impurity in the outside gas to cause the destruction to vacuum suppressor simultaneously, thereby extension life and maintenance interval.
In the above technical solution, further, the method further includes:
the protection component comprises a floating plug and a vertical rod, wherein the floating plug is arranged in the water cavity and moves in the channel, one end of the vertical rod is arranged in the water cavity and connected with the floating plug, and the other end of the vertical rod penetrates through the channel and extends into the air cavity.
In the technical scheme, the floating plug floats up and down in the channel along with the running water flow in the water cavity, and plugs up at the closing-in position of the channel along with the running water liquid level when the running water flow in the water cavity is large, so that the running water is prevented from entering the air cavity from the channel when the running water flow in the pipe is large, the running water is adsorbed in the vacuum inhibitor, and the use is influenced, and meanwhile, the vertical rod is arranged for convenient maintenance.
In the above technical solution, further, the method further includes:
the display assembly comprises an inductor and a receiver, the inductor is arranged on the floating plug, and the receiver is arranged on the mounting box and is connected with a display;
the receiver receives the sensor signal and displays the flow data through the display.
In the technical scheme, the pressure regulating control device visually displays the flow change in the water supply device through the sensor and the receiver.
In the above technical solution, further, the water storage tank includes:
the main body is internally concave at the middle section, a channel is further formed in the main body, an air cavity and a water cavity are formed in the two sides of the channel in a dividing mode, the air cavity is positioned on the upper side of the water cavity, one end of the water cavity is an open port, and one end of the water cavity is closed;
and the sealing cover is detachably connected to the opening port of the air cavity.
In this technical scheme, the main part is through casting shaping, and preparation is simple, and with low costs, and the one end of water cavity is connected with detachable closing cap simultaneously, and then conveniently maintains protection component and voltage regulation control assembly in the main part.
In the above technical solution, further, the method further includes:
the outer connecting air pipe is arranged on the sealing cover and communicated with the air cavity.
In this technical scheme, when the unexpected condition that external trachea appears the air supply inadequately in the main part, can connect external air supply to the air feed in the main part through external trachea.
In the above technical solution, further, the mounting box includes:
the box body is provided with a movable door;
the base comprises a bottom plate and a buffer layer, and the bottom plate is arranged on two sides of the buffer layer;
wherein, the installing support sets up in the box, and the display is installed on the box.
In this technical scheme, the box protects water inlet assembly, play water subassembly, voltage regulator device and water supply installation, and the base supports and carries out the vibration/noise reduction to the box, and the simple structure of installation case makes an uproar.
In the above technical solution, further, the method further includes:
the sound absorbing sheet is attached to the inner side wall surface of the installation box and the inner side wall surface of the movable door.
In this technical scheme, the sound absorbing sheet can absorb the noise that water inlet subassembly, play water subassembly, voltage regulator device and water supply installation produced at the during operation.
The beneficial effects of the utility model are as follows:
the air cavity utilizes the channel to collect the liquid level change of the tap water and the gas escaping from the tap water so as to generate an air source, so that the gas can be supplied to the vacuum suppressor to supplement the gas, and the gas is not led into the external air pipe to supplement the gas or is directly supplemented from the atmosphere, the time for timing air supplement of the air cavity is saved, the labor cost is reduced, and meanwhile, the damage of impurities in the external air to the vacuum suppressor is avoided, so that the service life and the maintenance interval are prolonged.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a surge tank of the present utility model;
FIG. 3 is an external view of the present utility model;
FIG. 4 is an enlarged view of A in FIG. 1;
the label in the figure is: 1. a mounting box; 11. a case; 111. a movable door; 12. a base; 2. a mounting bracket; 3. a voltage stabilizing device; 31. a connecting pipe; 32. a surge tank; 33. a vacuum suppressor; 331. an air pipe; 4. a water inlet assembly; 41. a water inlet pipe; 42. a first water pump; 5. a water outlet assembly; 51. a water outlet pipe; 52. a second water pump; 6. a water storage tank; 61. an air cavity; 62. a water chamber; 63. a main body; 64. a cover; 7. a protection component; 71. a floating plug; 72. a vertical rod; 8. externally connected air pipes; 9. an air pressure gauge; 13. a sound absorbing sheet; 141. an inductor; 142. a receiver.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.
Example 1:
the embodiment provides a silence formula double-chamber does not have negative pressure water supply equipment, includes:
the mounting box 1 is internally provided with a plurality of mounting brackets 2;
the pressure stabilizing device 3, the pressure stabilizing device 3 comprises a connecting pipe 31, a pressure stabilizing tank 32 and a vacuum inhibitor 33, and the vacuum inhibitor 33 is connected with an air pipe 331;
the water supply device comprises a water inlet component 4, a water outlet component 5 and a water storage tank 6, wherein an air cavity 61 and a water cavity 62 are arranged in the water storage tank 6, a channel is arranged between the air cavity 61 and the water cavity 62, the water inlet component 4 and the water outlet component 5 are both connected to the water cavity 62, and the air cavity 61 is connected with an air pipe 331;
the water inlet assembly 4, the water outlet assembly 5, the pressure stabilizing device 3 and the water supply device are all arranged in the installation box 1 and are fixed through a plurality of installation brackets 2;
wherein the connection pipe 31 connects the surge tank 32 to the water outlet pipe 51, and the water outlet pipe 51 is connected with a household water pipe and with the water storage tank 6.
The embodiment can be seen that the mute type double-cavity non-negative pressure water supply equipment comprises an installation box 1, a water inlet component 4, a water outlet component 5, a pressure stabilizing device 3 and a water supply device;
a plurality of mounting brackets 2 are fixed in the mounting box 1, the mounting brackets 2 are of channel steel structures and are fixed with the mounting box 1, the mounting brackets 2 fix and limit a water inlet component 4, a water outlet component 5, a pressure stabilizing device 3 and a water supply device in the mounting box 1 according to the matching, and the mounting box 1 plays a role in mounting the water inlet component 4, the water outlet component 5, the pressure stabilizing device 3 and the water supply device to a working place;
the water inlet assembly 4 comprises a water inlet pipe 41 and a first water pump 42, the water inlet pipe 41 is connected with an external tap water supply pipeline, and the first water pump 42 conveys external tap water into the water supply device through the water inlet pipe 41;
the water outlet assembly 5 comprises a water outlet pipe 51 and a second water pump 52, the water outlet pipe 51 is connected with a household water supply pipeline, and the second water pump 52 conveys tap water in the water storage tank 6 into the household water supply pipeline through the water outlet pipe 51;
the pressure stabilizing device 3 comprises a connecting pipe 31, a pressure stabilizing tank 32 and a vacuum inhibitor 33, wherein the connecting pipe 31, the pressure stabilizing tank 32 and the vacuum inhibitor 33 are all obtained through matched purchase, one end of the connecting pipe 31 is connected to the pressure stabilizing tank 32, the other end of the connecting pipe is connected to a water outlet pipe 51, the pressure stabilizing tank 32 is fixed in the mounting box 1 through a mounting bracket 2, the vacuum inhibitor 33 is connected to the pressure stabilizing tank 32, an air pipe 331 is connected to the vacuum inhibitor 33, and the vacuum inhibitor 33 regulates the water pressure in the water supply device;
the water supply device comprises a water inlet assembly 4, a water outlet assembly 5 and a water storage tank 6, wherein the water inlet assembly 4 comprises a water inlet pipe 41 and a first water pump 42, the water outlet assembly 5 comprises a water outlet pipe 51 and a second water pump 52, a water cavity 62 and an air cavity 61 are arranged in the water storage tank 6, the water cavity 62 is arranged at the lower side of the air cavity 61, a channel is arranged between the water cavity 62 and the air cavity 61 to enable the two cavities to be communicated, the water inlet pipe 41 and the water outlet pipe 51 are communicated with the water cavity 62, water is supplied into the water cavity 62 through the first water pump 42 and the second water pump 52 and is conveyed to a water pipeline of a user, and an air pipe 331 is connected in the air cavity 61;
the air cavity 61 utilizes the liquid level change of tap water in the channel collecting water cavity 62 and the gas escaping from the tap water to further generate an air source, so that the gas can be supplied to the vacuum suppressor 33 for supplementing, and further, the air is not required to be led into the external air pipe 331 for supplementing the gas or directly supplementing the gas from the atmosphere, the time for timing the air cavity 61 to supplement the gas is saved, the working efficiency is improved, meanwhile, the damage to the vacuum suppressor 33 caused by impurities in the external air is avoided, and the service life and the maintenance interval are prolonged.
Example 2:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
The protection assembly 7, the protection assembly 7 includes a floating plug 71 and a vertical rod 72, the floating plug 71 is arranged in the water cavity 62 and moves in the channel, one end of the vertical rod 72 is arranged in the water cavity 62 and connected with the floating plug 71, and the other end extends into the air cavity 61 through the channel.
As can be seen from this embodiment, the protection component 7 includes a floating plug 71 and a vertical rod 72, the floating plug 71 is a spheroid made of rubber, the floating plug 71 is disposed in the water cavity 62 and moves in the channel, meanwhile, the channel is conical for being conveniently matched with the floating plug 71, one end of the air cavity 61 is communicated with the channel in a closing shape, the size of the floating plug 71 is slightly larger than that of the closed end of the channel, when the protection component is installed, the protection component needs to be pressed by force for placement and installation, one end of the vertical rod 72 is connected to the floating plug 71, the other end penetrates through the channel to extend into the air cavity 61, when the floating plug 71 is continuously ejected into the air cavity because the water cavity 62 is closed, but because the pressure in the water cavity 62 is too high, one end of the vertical rod 72 supports the top surface of the air cavity 61 and supports the floating plug 71, thereby preventing the situation that the floating plug 71 is separated from the channel because of the pressure is too high, meanwhile, staff can grasp and take out the floating plug 71 during maintenance, and the vertical rod 72 is formed with an elbow at one end of the air cavity 61, the elbow is used for limiting the size of the floating plug 72, and the water cavity 71 is conveniently detached and installed from the air cavity 61;
the floating plug 71 floats up and down in the channel along with the running water flow in the water cavity 62, and plugs at the closing-in position of the channel along with the running water liquid level when the running water flow in the water cavity 62 is large, so that the situation that the running water enters the air cavity 61 from the channel when the running water flow in the pipe is large and is absorbed in the vacuum inhibitor 33 to influence the use is prevented, and meanwhile, the vertical rod 72 is arranged to facilitate maintenance.
Example 3:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
A display assembly including a sensor 141 and a receiver 142, the sensor 141 being disposed on the floating plug 71, the receiver 142 being disposed on the mounting case 1 and being connected to a display;
wherein the receiver 142 receives the sensor 141 signal and displays the flow data via a display.
As can be seen in this embodiment, the voltage regulation control means comprises an inductor 141 and a receiver 142;
the sensor 141 is a flow sensor 141, the receiver 142 is a signal receiver 142, and the flow sensor 141 and the signal receiver 142 are obtained through matched purchase;
the inductor 141 is arranged on the floating plug 71, the receiver 142 is arranged on the outer side wall surface of the installation box 1, the receiver 142 is connected with a display, and the flow value is displayed through the display by receiving the running water flow information in the water storage tank 6 transmitted by the inductor 141, so that a worker can more intuitively know the flow change in the water supply device;
the pressure regulating control device visually displays the flow rate change in the water supply device through the sensor 141 and the receiver 142.
Example 4:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
The water storage tank 6 includes:
the main body 63, the middle section of the main body 63 is concave, a channel is formed in the main body, the air cavity 61 and the water cavity 62 are divided at two sides of the channel, the air cavity 61 is positioned at the upper side of the water cavity 62, one end of the water cavity 62 is an open port, and one end of the water cavity 62 is closed;
a cover 64, the cover 64 being detachably attached to the open port of the air chamber 61.
As can be seen from this embodiment, the water storage tank 6 comprises a main body 63 and a sealing cover 64, the main body 63 is formed by casting, the middle section of the main body 63 is recessed to form a channel in the forming process, the water cavity 62 and the air cavity 61 are respectively formed at the lower side and the upper side of the channel, the water cavity 62 and the air cavity 61 are communicated together through the channel, and then the air source generated in the water cavity 62 escapes into the air cavity 61 from the channel, one end of the air cavity 61 is an open end and is connected with the sealing cover 64, and one end of the water cavity 62 is a closed end and is connected with the water inlet pipe 41 and the water outlet pipe 51;
the main body 63 is formed by casting, so that the preparation is simple, the cost is low, and meanwhile, one end of the water cavity 62 is connected with the detachable sealing cover 64, so that the protection component 7 and the voltage regulation control component in the main body 63 are convenient to maintain.
Example 5:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
The outer air tube 331 is arranged on the sealing cover 64 and is communicated with the air cavity 61.
In this embodiment, it can be seen that the external air pipe 8331 is connected to the cover 64 and is connected to the inner side of the air cavity 61, when an emergency that the air source is insufficient occurs in the main body 63 by the external air pipe 8331, the external air source can be connected to the main body 63 to supply air, meanwhile, one side of the external air pipe 8331 is connected with the barometer 9, the external air pipe 8331 is sealed under the daily non-use condition, and the air pressure in the main body 63 is detected, so that the air source in the main body 63 is conveniently judged by a worker, whether the air source is supplemented by the air valve is determined, and when the air is supplemented, the barometer 9 is taken down and then connected with the external air source.
Example 6:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
The mounting box 1 includes:
a case 11, the case 11 being provided with a movable door 111;
the base 12, including bottom plate and buffer layer in the base 12, the bottom plate sets up in the buffer layer both sides;
wherein the mounting bracket 2 is arranged in the box 11, and the display is arranged on the box 11.
As can be seen in this embodiment, the mounting box 1 comprises a box body 11 and a base 12;
the movable door 111 is arranged on the box body 11, so that the installation and maintenance of the water inlet assembly, the water outlet assembly, the pressure stabilizing device 3 and the water supply device are facilitated, the base 12 is arranged at the bottom of the box body 11, the base 12 is composed of a bottom plate and a buffer layer, the bottom plate is attached to two sides of the buffer layer, the bottom plate is made of metal, the buffer layer is made of rubber materials, the base 12 plays a role in supporting the box body 11 and damping the box body 11, further noise generated by tremble is eliminated, the installation support 2 is installed in the box body 11 and used for fixing the water inlet assembly, the water outlet assembly, the pressure stabilizing device 3 and the water supply device, the display is installed on the outer side of the box body 11, and flow change can be observed more intuitively by workers;
the box 11 protects the water inlet assembly, the water outlet assembly, the pressure stabilizing device 3 and the water supply device, the base 12 supports and dampens and reduces noise to the box 11, and the structure of the installation box 1 is simple and convenient to manufacture.
Example 7:
the embodiment provides a mute double-cavity non-negative pressure water supply device, which has the following technical characteristics besides the technical scheme of the embodiment.
And a sound absorbing sheet 13, wherein the sound absorbing sheet 13 is attached to the inner side wall surface of the installation box 1 and the inner side wall surface of the movable door 111.
As can be seen from this embodiment, the sound absorbing sheet 13 is obtained by purchasing and adhered to the inner side wall surface of the case 11 and the inner side surface of the movable door 111 by glue;
the sound absorbing sheet 13 can absorb noise generated by the water inlet assembly, the water outlet assembly, the pressure stabilizing device 3 and the water supply device during operation. The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.

Claims (7)

1. A silent double-chamber non-negative pressure water supply device, comprising:
the mounting box (1) is internally provided with a plurality of mounting brackets (2);
the pressure stabilizing device (3), the pressure stabilizing device (3) comprises a connecting pipe (31), a pressure stabilizing tank (32) and a vacuum inhibitor (33), and the vacuum inhibitor (33) is connected with an air pipe (331);
the water supply device comprises a water inlet component (4), a water outlet component (5) and a water storage tank (6), wherein an air cavity (61) and a water cavity (62) are arranged in the water storage tank (6), a channel is arranged between the air cavity (61) and the water cavity (62), the water inlet component (4) and the water outlet component (5) are both connected to the water cavity (62), and the air cavity (61) is connected with an air pipe (331);
the water inlet assembly, the water outlet assembly, the pressure stabilizing device (3) and the water supply device are all arranged in the installation box (1) and are fixed through a plurality of installation brackets (2);
the connecting pipe (31) is used for connecting the pressure stabilizing tank (32) to the water outlet pipe (51), and the water outlet pipe (51) is connected with a household water pipeline and is connected with the water storage tank (6).
2. The silent dual-chamber non-negative pressure water supply apparatus as claimed in claim 1, further comprising:
the protection assembly (7), the protection assembly (7) include floating plug (71) and pole setting (72), floating plug (71) put in water cavity (62) to move in the passageway, pole setting (72) one end set up in water cavity (62) internal connection floating plug (71), the other end runs through the passageway and extends to in air cavity (61).
3. A silent double-chamber non-negative pressure water supply apparatus as defined in claim 2, further comprising:
the display assembly comprises an inductor (141) and a receiver (142), wherein the inductor (141) is arranged on the floating plug (71), and the receiver (142) is arranged on the installation box (1) and is connected with a display;
wherein the receiver (142) receives the sensor (141) signal and displays the flow data via a display.
4. A silent double-chamber non-negative pressure water supply device according to claim 3, characterized in that the water reservoir (6) comprises:
the main body (63), the middle section of the main body (63) is concave, a channel is formed in the main body, an air cavity (61) and a water cavity (62) are formed in the main body, the air cavity (61) is positioned on the upper side of the water cavity (62), one end of the water cavity (62) is an open port, and one end of the water cavity (62) is closed;
and the sealing cover (64) is detachably connected to the opening port of the air cavity (61).
5. The silent dual-chamber non-negative pressure water supply apparatus as claimed in claim 4, further comprising:
the outer connecting air pipe (331), the outer connecting air pipe (331) is arranged on the sealing cover (64) and communicated with the air cavity (61).
6. A silent double chamber non-negative pressure water supply device according to claim 5, characterized in that the mounting box (1) comprises:
the box body (11), the box body (11) is provided with a movable door (111);
the base (12) comprises a bottom plate and a buffer layer, wherein the bottom plate is arranged on two sides of the buffer layer;
the mounting bracket (2) is arranged in the box body (11), and the display is mounted on the box body (11).
7. The silent dual-chamber non-negative pressure water supply apparatus as defined in claim 6, further comprising:
the sound absorbing sheet (13) is attached to the inner side wall surface of the installation box (1) and the inner side wall surface of the movable door (111).
CN202321600282.XU 2023-06-20 2023-06-20 Mute type double-cavity non-negative pressure water supply equipment Active CN219909170U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321600282.XU CN219909170U (en) 2023-06-20 2023-06-20 Mute type double-cavity non-negative pressure water supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321600282.XU CN219909170U (en) 2023-06-20 2023-06-20 Mute type double-cavity non-negative pressure water supply equipment

Publications (1)

Publication Number Publication Date
CN219909170U true CN219909170U (en) 2023-10-27

Family

ID=88466509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321600282.XU Active CN219909170U (en) 2023-06-20 2023-06-20 Mute type double-cavity non-negative pressure water supply equipment

Country Status (1)

Country Link
CN (1) CN219909170U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A silent dual chamber non negative pressure water supply equipment

Effective date of registration: 20231215

Granted publication date: 20231027

Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd.

Pledgor: Yikun Smart Water Group Co.,Ltd.

Registration number: Y2023330003021

PE01 Entry into force of the registration of the contract for pledge of patent right