CN211550645U - One-way valve for water inlet of water heater - Google Patents
One-way valve for water inlet of water heater Download PDFInfo
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- CN211550645U CN211550645U CN202020078436.3U CN202020078436U CN211550645U CN 211550645 U CN211550645 U CN 211550645U CN 202020078436 U CN202020078436 U CN 202020078436U CN 211550645 U CN211550645 U CN 211550645U
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- check valve
- water inlet
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Abstract
The utility model provides a check valve for water inlet of a water heater, which belongs to the field of water heaters and heating. The water heater solves the problem that a water inlet valve is required to be detached during pollution discharge, which is very inconvenient because a pollution discharge outlet is not independently arranged on a water tank in the water heater designed by the prior art. This check valve for water heater is intake is equipped with the check valve case including the hollow disk seat that is equipped with delivery port and water inlet in the disk seat, and the cover is equipped with case spring, its characterized in that on the check valve case: the water outlet of the valve seat is provided with a water outlet connecting pipe communicated with a water tank in the water heater in a sealing manner, one side of the water outlet connecting pipe is provided with a sewage draining outlet, and a blocking cover and the like are detachably arranged on the sewage draining outlet. This check valve for water heater intaking's advantage lies in: when in pollution discharge, only the blocking cover matched with the pollution discharge port on the water inlet valve needs to be opened, and the pollution discharge is carried out under the condition that the water inlet valve does not need to be dismounted.
Description
Technical Field
The utility model belongs to water heater and heating field especially relates to one kind be used for in the water heater with water tank complex check valve.
Background
The existing water heaters generally comprise air energy water heaters and electric water heaters, the air energy water heaters are mostly placed on balconies or toilets, after the water heaters are operated for a long time, dirt inside the water tank is deposited at the bottom of the water tank and needs to be removed, in addition, the electric water heaters can also generate dirt such as scale and the like after the water heaters are operated for a long time, but the water tanks in the existing water heaters are not provided with sewage discharge outlets, so that the operation can be carried out only after the check valves for water inlet are detached during sewage discharge, and the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solve the check valve for water heater intaking of above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model discloses a check valve for water heater intake, including the hollow disk seat that is equipped with delivery port and water inlet, be equipped with the check valve core in the disk seat, the cover is equipped with the case spring on the check valve core, and the delivery port of disk seat is sealed be equipped with the play water takeover of the water tank intercommunication in the water heater, has seted up the drain on one side of play water takeover, detachably is equipped with the shutoff lid on the drain.
In the check valve for water inlet of the water heater, the connecting seat is convexly arranged on the sewage draining outlet in the outward direction and is connected with the plugging cover through the screw connection component.
In foretell water heater check valve for intaking, the spiro union subassembly is including locating the inboard connecting seat internal thread of connecting seat and locating the shutoff lid outside rather than complex shutoff lid external screw thread, and the cover is equipped with the sealing member on the position that is close to the one end of keeping away from the disk seat on the shutoff lid external screw thread on the shutoff lid.
In the check valve for water inlet of the water heater, one end of the internal thread of the connecting seat, which is close to the valve seat, is basically flush with the end surface of one end of the connecting seat, which is close to the valve seat.
In the check valve for water inlet of the water heater, the outer side upper ring of the blocking cover is provided with the outwards convex outer blocking cover positioning ring, and the sealing element is arranged on the part, positioned between the outer blocking cover positioning ring and the inner thread of the connecting seat, of the blocking cover.
In foretell water heater check valve for intaking, the spiro union subassembly is including locating the inside shutoff lid internal thread of shutoff lid and locating the connecting seat outside rather than the complex connecting seat external screw thread, and the cover is equipped with the sealing member on the position that is close to on the connecting seat external screw thread and is adjacent to the one end of disk seat on the position.
In the water inlet check valve for the water heater, the upper ring on the outer side of the sealing cover is provided with the sealing cover inner positioning ring which protrudes inwards.
In the check valve for water inlet of the water heater, one end of the external thread of the connecting seat, which is close to the valve seat, is basically flush with the end surface of one end of the connecting seat, which is close to the valve seat.
In the check valve for water inlet of the water heater, the inner side of the outer port of the water outlet connecting pipe is provided with the connecting thread, and the width of the sewage outlet is basically the same as the length of the part between one end, close to the valve seat, of the connecting thread on the water outlet connecting pipe and the end connected with the valve seat.
In the check valve for water inlet of the water heater, the valve seat is also provided with a pressure relief opening communicated with the pressure relief valve; the water inlet on the valve seat is provided with a water inlet connecting pipe.
Compared with the prior art, this check valve for water heater intake's advantage lies in:
1. the arrangement of the sewage draining port solves the problem that the sewage can be drained smoothly only by opening the blocking cover matched with the sewage draining port under the condition that the one-way valve is not removed;
2. connecting seat and the setting that the shutoff lid adopted the spiro union subassembly on the drain need not just can open the shutoff lid with the help of other instruments and only need lean on hand's strength when the blowdown, and after the blowdown was accomplished, also only need the hand to twist the shutoff lid, and after screwing up, just can intake again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 provides a schematic cross-sectional view of an embodiment of a one-way safety valve of the present invention.
Fig. 2 provides a schematic diagram of the operation of the one-way safety valve of fig. 1 in normal water intake.
Fig. 3 provides a schematic diagram of the one-way relief valve of fig. 1 operating during blowdown.
In the figure, a water outlet 101, a water inlet 102, a valve seat 103, a one-way valve core 104, a valve core spring 105, a water outlet connecting pipe 106, a sewage outlet 107, a sealing cover 108, a connecting seat 109, a connecting seat internal thread 110, a sealing cover external thread 111, a sealing element 112, a sealing cover external positioning ring 113, a connecting thread 114, a pressure relief opening 115, a pressure relief valve 116, a water inlet connecting pipe 117 and a sealing groove 118.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Example 1
This check valve for water heater intaking, including the hollow disk seat 103 that is equipped with delivery port 101 and water inlet 102, be equipped with check valve core 104 in the disk seat 103, the cover is equipped with case spring 105, its characterized in that on the check valve core 104: the water outlet 101 of the valve seat 103 is hermetically provided with a water outlet connecting pipe 106 communicated with a water tank in the water heater, one side of the water outlet connecting pipe 106 is provided with a sewage outlet 107, and the sewage outlet 107 is detachably provided with a blocking cover 108.
It should be noted that the water heater may be an air energy water heater or an electric water heater, as long as a water tank is arranged inside the water heater.
Preferably, a connecting seat 109 is convexly arranged on the sewage discharge outlet 107 in the outward direction, and the connecting seat 109 is connected with the plugging cover 108 through a screw assembly.
As shown in fig. 1, the screw assembly includes a connecting seat internal thread 110 disposed inside the connecting seat 109 and a blocking cover external thread 111 disposed outside the blocking cover 108 and engaged therewith, and a sealing member 112 is sleeved on a portion of the blocking cover 108 close to an end of the blocking cover external thread 111 far from the valve seat 103.
As shown in fig. 3, the sealing groove 118 for accommodating the sealing member 112 is correspondingly provided at the position of the blocking cover 108 where the sealing member 112 is provided.
Additionally, one end of the connecting seat internal thread 110 close to the valve seat 103 is substantially flush with the end surface of the connecting seat 109 close to the valve seat 103, so as to enhance the connection firmness of the two.
Additionally, an outward convex outer sealing cover positioning ring 113 is arranged on the outer side upper ring of the sealing cover 108, the sealing element 112 is arranged on a position, located between the outer sealing cover positioning ring 113 and the connecting seat internal thread 110, on the sealing cover 108, and the arrangement of the outer sealing cover positioning ring 113 is convenient for detecting whether the sealing cover 108 and the connecting seat 109 are screwed in place or not after being screwed with each other through the outer sealing cover thread 111 and the connecting seat internal thread 110.
In addition, the inner side of the outer end opening of the water outlet connecting pipe 106 is provided with a connecting thread 114, the width of the sewage discharge port 107 is basically the same as the length of the part between one end of the water outlet connecting pipe 106, which is close to the valve seat 103, and the end connected with the valve seat 103 from the connecting thread 114, so that the sewage discharge capacity is improved as much as possible, the discharge of large dirt in the water tank is facilitated, the blockage of the large dirt on the sewage discharge port 107 during sewage discharge is reduced, the discharge of the large dirt is avoided, and the discharge of the sewage in the water outlet connecting pipe 106 is facilitated, so that the dirt is prevented from being accumulated in the water outlet connecting pipe 106 during sewage discharge, and the normal water inflow is prevented.
Additionally, the water inlet 102 of the valve seat 103 is provided with a water inlet connection pipe 117 for facilitating connection with an external water pipe.
Example 2
This embodiment is substantially the same as embodiment 1 except that: the screw assembly here includes a sealing cap internal thread (not shown) disposed inside the sealing cap 108 and a connecting seat external thread (not shown) disposed outside the connecting seat 109 and engaged therewith, and a sealing member 112 is sleeved on a portion of the connecting seat 109 close to one end of the connecting seat external thread adjacent to the valve seat 103.
Additionally, an inwardly projecting inner closure retention ring (not shown) is provided around the outside of the closure cap 108.
Additionally, the end of the connection block external thread adjacent the valve seat 103 is substantially flush with the end face of the connection block 109 adjacent the end of the valve seat 103.
Example 3
As shown in fig. 1 to 3, the present embodiment is substantially the same as embodiments 1 and 2, except that: the check valve is added with a pressure relief port 115 which is communicated with a pressure relief valve 116, and the check valve is a one-way safety valve.
The working principle is as follows: as shown in fig. 2, when water is normally supplied, the water enters the one-way valve core 104 from the water inlet 102 on the valve seat 103, enters the water outlet pipe 106 from the water outlet 101, and flows into the water tank of the water heater through the water outlet pipe 106, and the blocking cover 108 is screwed on the connecting seat 109 arranged on the sewage discharge port 107, so that the water entering the water tank cannot be discharged from the sewage discharge port 107; as shown in fig. 3, when discharging sewage, water flows from the water tank to the water outlet connection pipe 106, and since the valve is a one-way valve, the sewage does not flow from the water inlet 102 on the valve seat 103 to the water inlet connection pipe 117, and at this time, the plugging cover 108 is only required to be unscrewed to discharge the sewage, and after the sewage is discharged, the plugging cover 108 is screwed down.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the water outlet 101, the water inlet 102, the valve seat 103, the check valve core 104, the valve core spring 105, the water outlet connection pipe 106, the sewage outlet 107, the blocking cover 108, the connecting seat 109, the connecting seat internal thread 110, the blocking cover external thread 111, the sealing member 112, the blocking cover external positioning ring 113, the connecting thread 114, the pressure relief opening 115, the pressure relief valve 116, the water inlet connection pipe 117, the sealing groove 118, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a water heater check valve for intaking, is including hollow disk seat (103) that are equipped with delivery port (101) and water inlet (102), disk seat (103) in be equipped with check valve case (104), check valve case (104) on the cover be equipped with case spring (105), its characterized in that: the water outlet (101) of the valve seat (103) is hermetically provided with a water outlet connecting pipe (106) communicated with a water tank in the water heater, one side of the water outlet connecting pipe (106) is provided with a sewage outlet (107), and the sewage outlet (107) is detachably provided with a blocking cover (108).
2. The check valve for water inlet of the water heater as claimed in claim 1, wherein a connecting seat (109) is convexly arranged on the sewage outlet (107) in an outward direction, and the connecting seat (109) is connected with the blocking cover (108) through a screw assembly.
3. The check valve for water inlet of the water heater according to claim 2, wherein the screw connection component comprises a connecting seat internal thread (110) arranged on the inner side of the connecting seat (109) and a blocking cover external thread (111) arranged on the outer side of the blocking cover (108) and matched with the connecting seat internal thread, and a sealing element (112) is sleeved on a part of the blocking cover (108) close to one end of the blocking cover external thread (111) far away from the valve seat (103).
4. The check valve for water inlet of water heater as claimed in claim 3, wherein the end of the connecting seat internal thread (110) close to the valve seat (103) is substantially flush with the end surface of the connecting seat (109) close to the valve seat (103).
5. The check valve for water inlet of water heater according to claim 3, wherein the outer side of the sealing cover (108) is provided with an outwardly convex outer sealing cover positioning ring (113), and the sealing member (112) is arranged on the sealing cover (108) at a position between the outer sealing cover positioning ring (113) and the inner thread (110) of the connecting seat.
6. The check valve for water inlet of the water heater as claimed in claim 2, wherein the screw connection component comprises a sealing cover internal thread arranged on the inner side of the sealing cover (108) and a connecting seat external thread arranged on the outer side of the connecting seat (109) and matched with the sealing cover internal thread, and a sealing element (112) is sleeved on a part of the connecting seat (109) close to one end of the connecting seat external thread adjacent to the valve seat (103).
7. The check valve for water inlet of water heater as claimed in claim 6, wherein the outer side of the sealing cover (108) is provided with an inward-protruding inner positioning ring of the sealing cover.
8. The check valve for water inlet of water heater as claimed in claim 6, wherein the end of the connecting seat external thread near the valve seat (103) is substantially flush with the end surface of the connecting seat (109) near the end of the valve seat (103).
9. The check valve for water inlet of the water heater according to any one of claims 1 to 8, characterized in that a connecting thread (114) is arranged at the inner side of the outer end opening of the water outlet connecting pipe (106), and the width of the sewage draining outlet (107) is basically the same as the length of the part between one end of the connecting thread (114) on the water outlet connecting pipe (106), which is close to the valve seat (103), and the connecting end of the connecting thread (114) and the valve seat (103).
10. The check valve for water inlet of the water heater as claimed in claim 1, wherein the valve seat (103) is further provided with a pressure relief port (115) communicated with the pressure relief valve (116); and a water inlet connecting pipe (117) is arranged at a water inlet (102) on the valve seat (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078436.3U CN211550645U (en) | 2020-01-14 | 2020-01-14 | One-way valve for water inlet of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078436.3U CN211550645U (en) | 2020-01-14 | 2020-01-14 | One-way valve for water inlet of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550645U true CN211550645U (en) | 2020-09-22 |
Family
ID=72491945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020078436.3U Active CN211550645U (en) | 2020-01-14 | 2020-01-14 | One-way valve for water inlet of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550645U (en) |
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2020
- 2020-01-14 CN CN202020078436.3U patent/CN211550645U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee after: Zhejiang Zhongguang Electric Appliance Group Co.,Ltd. Address before: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee before: ZHEJIANG ZHONGGUANG ELECTRIC APPLIANCES Co.,Ltd. |