CN114484029B

CN114484029B - Faucet capable of being provided with air gap device

Info

Publication number: CN114484029B
Application number: CN202011272895.6A
Authority: CN
Inventors: 陈瑞骞; 陈瑞庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2024-06-18
Anticipated expiration: 2040-11-13
Also published as: CN114484029A

Abstract

The invention discloses a tap capable of being provided with an air gap device, which comprises a base, a main body and a control valve, wherein a containing chamber is formed in the base, the air gap device is arranged in the containing chamber according to the containing chamber, the main body is arranged at the top edge of the base, and the control valve is arranged in the main body; a slit is formed between the base and the body, the slit communicates with the chamber, and air is allowed to enter or leave the chamber through the slit, so that the overall appearance of the faucet is not provided with a visually noticeable vent, and the integrity of the appearance can be maintained.

Description

Faucet capable of being provided with air gap device

Technical Field

The present invention relates to an assembly of a drinking device; in particular to an innovative structure of a faucet provided with an air gap device.

Background

In the process of treating water by the reverse osmosis water treatment equipment, wastewater is discharged by utilizing a drainage pipeline, and an air gap device is arranged on a water pipe on the upstream of the drainage pipeline of the wastewater to prevent the wastewater from entering a water system through the drainage pipeline due to siphoning.

US7011106B2 discloses a faucet having an air gap device comprising a body defining an inlet, an outlet, a valve chamber between the inlet and the outlet, an air gap chamber opening at a first end of the body, wherein a vent opening enters the air gap chamber through a wall of the body, and a valve chamber for controlling the flow of liquid from the inlet to the outlet; the air gap device comprises a seat body and an air gap structure, and the seat body and the air gap structure are positioned in the air gap chamber.

The foregoing conventional technology has found in practical experience that the following problems and disadvantages still exist: the vent penetrates through the wall located on one side of the main body, and when the air gap device is not arranged in the air gap chamber, the movable cover is arranged on the main body and used for blocking the vent, and whether the cover is arranged on the main body or not, the vent or the cover breaks the appearance integrity of the faucet.

Disclosure of Invention

The main object of the present invention is to provide a faucet with an air gap device.

In order to achieve the above purpose, the invention adopts the following technical scheme:

A faucet for providing an air gap device, comprising:

the base is internally provided with a containing chamber, an air gap device is arranged in the containing chamber, and the containing chamber extends to the bottom end of the base;

the main body is arranged at the top edge of the base, a valve chamber, a first channel and a second channel are formed in the main body, the first channel is communicated with the valve chamber and the accommodating chamber, the second channel is communicated with the valve chamber and the outside of the main body, so that a water inlet pipe is communicated with the first channel, a water outlet pipe is communicated with the second channel, and water enters the valve chamber through the water inlet pipe and flows out through the water outlet pipe;

a control valve provided in the valve chamber, whereby the flow of water from the first passage to the second passage is controlled;

the support block is arranged between the base and the main body, so that a narrow gap is formed between the base and the main body, the narrow gap is communicated with the containing chamber through at least one connecting channel, and the narrow gap is communicated with a space outside the faucet, so that air enters or leaves the containing chamber through the narrow gap.

The main effect and advantage of the present invention is that a narrow gap is formed between the base and the main body, air can enter or leave the chamber through the narrow gap, the overall appearance of the faucet is not provided with a vent which is visually attractive, and the integrity of the appearance can be maintained.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is an exploded perspective view of a first embodiment of the present invention with an air gap device.

Fig. 3 is a schematic cross-sectional view of a first embodiment of the present invention, showing a use state of the air gap device.

FIG. 4 is an enlarged view of a portion of FIG. 3 showing the base and body abutment portions.

Fig. 5 is a schematic view showing the air flow state of the structure shown in fig. 4.

Fig. 6 is a schematic cross-sectional view of a first embodiment of the present invention, showing a use state in which the air gap device is not provided.

Fig. 7 is an exploded perspective view of a second embodiment of the present invention with an air gap device.

FIG. 8 is an enlarged partial cross-sectional view of a second embodiment of the invention showing the abutment of the base and body.

Fig. 9 is a perspective view of a base according to a third embodiment of the present invention.

FIG. 10 is an enlarged partial cross-sectional view of a third embodiment of the present invention showing the abutment of the base and body.

Fig. 11 is a perspective view of a base according to a fourth embodiment of the present invention.

Fig. 12 is a perspective view of a base of a fifth embodiment of the present invention.

Fig. 13 is a top view of a base of a fifth embodiment of the present invention.

FIG. 14 is an enlarged partial cross-sectional view of a fifth embodiment of the present invention showing the abutment of the base and body.

FIG. 15 is an enlarged partial cross-sectional view of a sixth embodiment of the invention showing the abutment of the base and body.

Detailed Description

The drawings illustrate several embodiments of the faucet of the present invention for providing an air gap device, but these embodiments are for illustrative purposes only and are not limited to this configuration in the patent application.

As shown in fig. 1 to 6, the embodiment of the faucet with the air gap device comprises a base 10, a main body 20, a control valve 30 and a plurality of supporting blocks 71, wherein a chamber 11 is formed inside the base 10, an air gap device 40 is disposed in the chamber 11 according to the configuration, the chamber 11 extends at the bottom end of the base 10, the main body 20 is disposed at the top edge of the base 10, a valve chamber 21, a first channel 22 and a second channel 23 are formed inside the main body 20, the first channel 22 is communicated with the valve chamber 21 and the chamber 11, the second channel 23 is communicated with the outside of the valve chamber 21 and the main body 20, a water inlet pipe 50 is communicated with the first channel 22, a water outlet pipe 60 is communicated with the second channel 23, water enters the valve chamber 21 through the water inlet pipe 50 and flows out through the water outlet pipe 60, the control valve 30 is disposed in the valve chamber 21, according to the configuration, the control valve 30 is a prior art of related art, and the detailed construction of the control valve 30 is omitted.

Each supporting block 71 is arranged between the base 10 and the main body 20, so that the base 10 and the main body 20 are separated up and down, a narrow gap 73 is formed between the base 10 and the main body 20, and the narrow gap 73 is communicated with the space outside the faucet 01; further, each supporting block 71 is selectively disposed at the top end of the base 10, a plurality of communication channels 72 are respectively formed between each supporting block 71, each communication channel 72 is respectively communicated with the chamber 11 and the slit 73, a first surface 24 is formed at the bottom end of the main body 20, a groove 25 is formed in the main body 20, the groove 25 extends upward from the first surface 24 to the inside of the main body 20, the groove 25 is communicated with the chamber 11, the main body 20 forms an abutment surface 26 at one end of the groove 25 far away from the first surface 24, each supporting block 71 respectively enters the groove 25 and abuts against the abutment surface 26, so that the supporting block 71 supports the main body 20, a side groove wall 27 is formed at the peripheral side of the main body 20, and each supporting block 71 is laterally opposite to the side groove wall 27.

The distance between the bottom end and the top end of the supporting block 71 in the height direction is defined as a first height H1, the distance between the first surface 24 and the abutting surface 26 in the height direction is defined as a second height H2, the first height H1 is greater than the second height H2, so that a narrow gap 73 is formed between the first surface 24 and the top end of the base 10, the narrow gap 73 is communicated with the accommodating chamber 11 through the connecting channel 72, and air enters or leaves the accommodating chamber 11 through the connecting channel 72 and the narrow gap 73; the difference between the first height H1 and the second height H2 is preferably 0.05 mm-2 mm, and the difference between the first height H1 and the second height H2 may be increased or decreased as required, in this example, the difference between the first height H1 and the second height H2 is 0.2mm.

As shown in fig. 3 to 5, the first embodiment can be disposed on a platform 80, and the air gap device 40 is disposed in the chamber 11, air can leave the chamber 11 through the connecting channel 72 and the slit 73 and flow to the outside of the base 10 and the main body 20 (as indicated by arrow symbol in fig. 5), air in the external environment can flow into the chamber 11 through the slit 73 and the connecting channel 72, the slit 73 has a space with a plurality of widths in the lateral direction, the dimension of the slit 73 in the height direction is miniaturized, the air flow is not affected, the overall appearance of the first embodiment has no ventilation opening which is easy to be noticed visually, and the integrity of the appearance can be maintained.

As shown in fig. 6, in the first embodiment, when the air gap device 40 is not provided, since the dimension of the slit 73 in the height direction is small, it is not necessary to additionally provide an object to shield or block the slit 73.

The supporting blocks 71 are arranged on the base 10 in a ring shape, the communication channels 72 are respectively formed between the adjacent supporting blocks 71, the abutting surface 26 and the side groove wall 27 are respectively matched to form a ring shape, and the supporting blocks 71 matched with the ring shape are matched, and the narrow gaps 73 are in a ring shape; accordingly, since the slit 73 is annular, in the first embodiment, the slit 73 can form the visual appearance of the annular abutting boundary between the base 10 and the main body 20.

The top end of the base 10 has an annular second surface 12, the second surface 12 is adjacent to the bottom end of the supporting block 71 and the outer side 13 of the base 10, the second surface 12 is opposite to the first surface 24, and a slit 73 is formed between the first surface 24 and the second surface 12.

As shown in fig. 7 and 8, the second embodiment is different from the first embodiment in that a supporting block 71 is disposed at the top end of the base 10, the supporting block 71 is approximately arc-shaped, a communication channel 72 is formed between two arc-shaped ends of the supporting block 71, a ring member 74 is looped around the supporting block 71, the ring member 74 is made of elastic material, and the ring member 74 abuts against the side slot wall 27, thereby improving the reliability of the lateral positioning of the main body 20; the support block 71 is recessed with a caulking groove 75 facing the direction side of the side groove wall 27, and the ring member 74 is inserted into the caulking groove 75, thereby positioning the ring member 74.

As shown in fig. 9 and 10, the third embodiment is mainly different from the first embodiment in that a ring member 74 is looped around each support block 71, the ring member 74 is made of elastic material, and the ring periphery of the ring member 74 abuts against the side groove wall 27, thereby improving the reliability of the lateral positioning of the main body 20.

The supporting block 71 and the side groove wall 27 can form a plurality of distances in the radial direction of the main body 20, when the main body 20 is arranged on the base 10, the supporting block 71, the annular piece 74 and the side groove wall 27 sequentially form an abutting relationship by utilizing the arrangement of the elastic annular piece 74, the positioning reliability of the main body 20 relative to the base 10 in the lateral direction can be improved, the stability of the main body 20 arranged on the base 10 can also be improved due to the elasticity of the annular piece 74, on the other hand, the requirement of the dimensional tolerance of the supporting block 71 and the groove 25 which are matched in the lateral direction can be reduced, the requirement of the manufacturing accuracy of the supporting block 71 and the groove 25 can be reduced, and the forming and manufacturing difficulty of the supporting block 71 and the groove 25 can be reduced, so that the forming and the manufacturing are easy to carry out.

Further, each supporting block 71 is recessed with a caulking groove 75 facing the direction side of the side groove wall 27, and the ring-shaped member 74 is inserted into the caulking groove 75, thereby positioning the ring-shaped member 74.

The number and specific shape of the support blocks 71 may be varied as desired, thereby constituting the fourth embodiment shown in fig. 11.

As shown in fig. 12 and 13, the fifth embodiment is different from the first embodiment in that a supporting block 71 is disposed at the top end of the base 10, the supporting block 71 is annular, a plurality of communication passages 72 are respectively formed at one end of the supporting block 71 facing the abutment surface 26, and each communication passage 72 is respectively communicated with the chamber 11 and the slit 73.

The supporting block 71 is concaved towards the side groove wall 27 to form a plurality of air passages 76, two ends of each air passage 76 extend to the top edge and the bottom edge of the supporting block 71 respectively, and each air passage 76 is communicated with each connecting passage 72 and the narrow gap 73 respectively.

As shown in fig. 14, if the fifth embodiment is optionally provided with the ring member 74 as in the third embodiment, when the support block 71 is selectively provided with the ring member 74, the air channel 76 faces the annular inner side of the chamber 11 through the ring member 74, and air can leave the chamber 11 through the connecting channel 72, the air channel 76 and the slit 73 to flow to the outside of the base 10 and the main body 20, and air in the external environment can also flow into the chamber 11 through the slit 73, the air channel 76 and the connecting channel 72.

As shown in fig. 15, the sixth embodiment is different from the first embodiment in that the supporting block 71 is selectively disposed at the bottom end of the main body 20, the top end of the base 10 forms the second surface 12, the base 10 forms a groove 14, the groove 14 extends downward from the second surface 12 into the base 10, the groove 14 is communicated with the chamber 11, the base 10 forms an abutment surface 15 at one end of the groove 14 away from the second surface 12, the supporting block 71 enters the groove 14 and abuts against the abutment surface 15, the base 10 forms a side groove wall 16 at the peripheral side of the groove 14, and the supporting block 71 is laterally opposite to the side groove wall 16.

The distance between the top and bottom ends of the support block 71 in the height direction is defined as a third height H3, the distance between the second surface 12 and the abutment surface 15 in the height direction is defined as a fourth height H4, and the third height H3 is greater than the fourth height H4, so that a slit 73 is formed between the second surface 12 and the bottom end of the main body 20.

The difference between the third height H3 and the fourth height H4 is 0.05mm to 2mm, and in this example, the difference between the third height H3 and the fourth height H4 is 0.2mm.

The sixth embodiment can also be changed to the main body 20 by disposing a supporting block 71, so as to form another changing embodiment, and the supporting block 71 is annular, and forms a connecting channel (not shown) and an air channel (not shown) in cooperation with the annular supporting block 71, wherein the annular supporting block 71, the connecting channel and the air channel are based on the application of the supporting block 71, the connecting channel 72 and the air channel 76 disclosed in the fifth embodiment, and those related to the application can easily be seen by persons in the related fields based on the fifth embodiment and the sixth embodiment.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A faucet for providing an air gap assembly, comprising:

the support block is used for forming a narrow gap between the base and the main body, the narrow gap is communicated with the accommodating chamber through at least one connecting channel, and the narrow gap is communicated with a space outside the faucet, so that air enters or leaves the accommodating chamber through the narrow gap;

The support block is arranged at the top end of the base, a first surface is formed at the bottom end of the main body, a groove is formed in the main body, the groove extends upwards from the first surface to the inside of the main body, the groove is communicated with the accommodating chamber, an abutting surface is formed at one end of the main body, far away from the first surface, of the groove, the support block enters the groove and abuts against the abutting surface, the support block supports the main body according to the abutting surface, a side groove wall is formed at the periphery of the groove, and the support block is laterally opposite to the side groove wall;

The distance between the bottom end and the top end of the supporting block in the height direction is defined as a first height, the distance between the first surface and the abutting surface in the height direction is defined as a second height, and the first height is larger than the second height, so that a narrow gap is formed between the first surface and the top end of the base.

2. The faucet with air gap device as set forth in claim 1, comprising a plurality of support blocks, each of the support blocks being disposed at intervals, a plurality of communication channels being formed between each of the support blocks, each of the communication channels being in communication with the chamber and the slit, respectively.

3. The faucet with air gap assembly as claimed in claim 2, wherein each support block is configured in a ring shape.

4. A tap provided with an air gap device as claimed in claim 3 wherein a ring member is looped around each support block, the ring member being of resilient material, the ring member abutting against the side channel walls, thereby increasing the reliability of lateral positioning of the body;

The side of each supporting block facing the side groove wall is respectively recessed with an embedded groove, and the annular piece is embedded in the embedded groove, so that the annular piece is positioned.

5. The faucet with air gap device as claimed in claim 1, wherein the supporting block is ring-shaped, and a plurality of communication channels are respectively formed at one end of the supporting block facing the abutting surface, and each communication channel is respectively communicated with the chamber and the slit.

6. The faucet with air gap assembly as recited in claim 5 wherein a ring is sleeved on the support block, the ring is made of elastic material and abuts against the side groove wall, thereby improving the reliability of the lateral positioning of the main body;

the supporting block is recessed towards the direction side of the side groove wall to form an embedded groove, and the annular piece is embedded in the embedded groove, so that the annular piece is positioned.

7. The faucet with air gap device as recited in claim 6 wherein the support block is recessed toward the side wall of the side wall to form a plurality of air passages, each of the air passages being in communication with each of the connecting passages and the slit.

8. The faucet with an air gap assembly as claimed in claim 1, wherein the difference between the first height and the second height is 0.05mm to 2mm.

9. A faucet for providing an air gap assembly, comprising:

A support block for forming a narrow gap between the base and the main body, the narrow gap being connected to the chamber via at least one connecting channel, and the narrow gap being connected to the space outside the faucet, so that air can enter or leave the chamber via the narrow gap

The support block is arranged at the bottom end of the main body, the top end of the base forms a second surface, the base forms a groove, the groove extends downwards from the second surface to the inside of the base, the groove is communicated with the accommodating chamber, the base forms an abutting surface at one end of the groove far away from the second surface, the support block enters the groove and abuts against the abutting surface, the base forms a side groove wall at the peripheral side of the groove, and the support block is laterally opposite to the side groove wall;

the distance between the top and bottom ends of the support block in the height direction is defined as a third height, the distance between the second surface and the abutment surface in the height direction is defined as a fourth height, and the third height is greater than the fourth height, so that a narrow gap is formed between the second surface and the bottom end of the main body.

10. The faucet with air gap device as claimed in claim 9, comprising a plurality of support blocks, wherein the support blocks are spaced apart, a plurality of communication channels are respectively formed between the support blocks, and each communication channel is respectively connected with the chamber and the slit.

11. The faucet with air gap assembly as recited in claim 10 wherein each support block is configured in a ring.

12. The faucet with air gap assembly as recited in claim 11 wherein a ring is looped around each support block, the ring being formed of resilient material, the ring abutting the side channel walls, thereby increasing the reliability of lateral positioning of the body;

13. The faucet with air gap as set forth in claim 9, wherein the supporting block is ring-shaped, and a plurality of communication channels are formed at one end of the supporting block facing the abutting surface, and each communication channel is connected to the chamber and the slit.

14. The faucet with air gap assembly as recited in claim 13 wherein a ring is sleeved on the support block, the ring being made of resilient material and abutting against the side walls of the channel, thereby improving the reliability of lateral positioning of the body;

15. The faucet with air gap assembly as recited in claim 14 wherein the support block is recessed toward the side wall of the side wall to form a plurality of air passages, each of the air passages being in communication with each of the connecting passages and the slit.