CN220286777U - Concealed differential pressure liquid outlet valve - Google Patents
Concealed differential pressure liquid outlet valve Download PDFInfo
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- CN220286777U CN220286777U CN202321001059.3U CN202321001059U CN220286777U CN 220286777 U CN220286777 U CN 220286777U CN 202321001059 U CN202321001059 U CN 202321001059U CN 220286777 U CN220286777 U CN 220286777U
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- liquid outlet
- flow passage
- outlet valve
- joint
- pipe
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- 239000007788 liquid Substances 0.000 title claims abstract description 119
- 238000007789 sealing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010079 rubber tapping Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model belongs to the technical field of valves, in particular to a hidden differential pressure liquid outlet valve, which comprises: the three-way pipe joint is provided with two joint mounting parts, a joint inner pipe and a valve assembling part, an inner flow passage is formed in the joint inner pipe, an outer flow passage is formed at the outer side of the joint inner pipe, and the valve assembling part is communicated with the inner flow passage or the outer flow passage; the differential pressure liquid outlet valve core is arranged on the valve assembly part; wherein, pressure differential play liquid case includes: the liquid outlet support piece is arranged at the outer end part of the valve assembly part in a sealing way; and the liquid outlet valve plate is used for controlling the water flow of the inner runner or the outer runner. The utility model can be arranged at any position of the branch of the pipe-in-pipe pipeline, can increase the liquid outlet resistance of the inner flow passage or the outer flow passage, is convenient for generating internal and external pressure difference, and is beneficial to realizing the liquid flow between the inner flow passage and the outer flow passage of the branch. The pressure difference liquid outlet valve is particularly suitable for the environment that the pressure difference liquid outlet valve core is inconvenient to set at the tail end of the branch, and can be hidden in a wall when being arranged in the middle of the branch.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a hidden differential pressure liquid outlet valve.
Background
At present, with the gradual improvement of life quality, people are increasingly paying attention to the quality of living water.
The pipeline of common household domestic water comprises a main pipeline for entering a household and a plurality of branches divided into rooms. It is known that when one branch is in water outlet, water in the pipeline generally reaches the user end only through the main pipeline and the branch, no water flow is formed in other branches, and water flow is formed in the main pipeline generally from the water inlet end to the area where the connecting end of the branch is located, and no water flow is formed in the main pipeline at the tail end. This results in the water in the long-term unused branch remaining in the tube and then slowly deteriorating until the next use, leaving a portion of the deteriorated water, which is harmful to the physical health of the user when being used for a long time.
In order to solve the above problems, the applicant designs a differential pressure type pipe-in-pipe liquid outlet pipeline system, the main structure of which comprises a main pipeline and a plurality of branches, wherein the main pipeline consists of a pipe-in-pipe and a pipe joint, and the specific structure of the pipe-in-pipe and the pipe joint can be seen in the utility model CN 207922346U. The main pipeline is provided with an inner main runner and an outer main runner, and the liquid inlet ends of the inner main runner and the outer main runner are communicated with each other and form a pipeline liquid inlet end; the branches are distributed on the main pipeline and are provided with an inner branch flow passage and an outer branch flow passage, and the tail ends of the inner branch flow passage and the outer branch flow passage are communicated with each other to form a pipeline liquid outlet end; the inner branch flow passage and the inner main flow passage are communicated with each other to form an inner flow passage, and the outer branch flow passage and the outer main flow passage are communicated with each other to form an outer flow passage. The system utilizes the characteristic that the inner and outer runners at the tail ends of the pipelines are mutually communicated, when one branch or a plurality of branches are discharged, if the pressure difference is generated between the inner and outer runners, the water in the inner and outer runners can flow mutually, namely, other unopened branches can realize internal flow by utilizing the pressure difference, and the effect of preventing dead water is achieved by auxiliary discharge.
In order to realize the pressure difference type pipe-in-pipe liquid outlet pipeline system, a pressure difference liquid outlet valve is urgently needed to be designed so as to realize the pressure difference of the inner flow channel and the outer flow channel.
Disclosure of Invention
The utility model aims to provide a hidden type differential pressure liquid outlet valve with a simple structure.
The purpose of the utility model is realized in the following way:
a concealed differential pressure liquid outlet valve for installation on a tube-in-tube line having an inner flow passage and an outer flow passage, comprising:
the three-way pipe joint is provided with joint installation parts of two connecting pipe middle pipes, a joint inner pipe arranged between the two joint installation parts and a valve assembly part, wherein an inner flow passage is formed in the joint inner pipe, an outer flow passage is formed at the outer side of the joint inner pipe, and the valve assembly part is communicated with the inner flow passage or the outer flow passage; and
the differential pressure liquid outlet valve core is arranged on the valve assembly part;
wherein, pressure differential play liquid case includes:
the liquid outlet support piece is arranged at the outer end part of the valve assembly part in a sealing way; and
and the liquid outlet valve plate is used for controlling the water flow of the inner runner or the outer runner.
Preferably, the differential pressure liquid outlet valve core further comprises a liquid outlet spring, and the liquid outlet spring is arranged between the liquid outlet supporting piece and the liquid outlet valve plate and used for resetting the liquid outlet valve plate.
Preferably, a partition part is arranged in the valve assembly part, the partition part is used for forming two partition channels, one ends of the two partition channels are arranged in the valve assembly part, and the other ends of the two partition channels are respectively communicated with the inner flow channel or the outer flow channel of the corresponding joint installation part;
the liquid outlet valve plate is arranged at one end of at least one separation channel.
Preferably, the liquid outlet valve plate is provided with an annular guide side wall part and a sealing bottom part positioned at one end of the guide side wall part, and the guide side wall part extends into the inner cavity of the liquid outlet support piece and moves along the inner wall of the liquid outlet support piece; the sealing bottom is adapted to be disposed on the separation channel.
Preferably, the sealing bottom is provided with a liquid outlet diversion channel.
Preferably, when the valve fitting portion communicates with the outer flow passage, the partition portion is an annular partition plate provided outside the joint inner pipe for partitioning the outer flow passage.
Preferably, when the valve fitting portion communicates with the inner flow passage, the partition portion has an extension wall that communicates the joint inner tube and the valve fitting portion, and an inner partition plate provided in the extension wall for partitioning the inner flow passage.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
the hidden pressure difference liquid outlet valve can be arranged at any position of a branch of a pipe-in-pipe pipeline, can increase liquid outlet resistance of an inner flow passage or an outer flow passage, is convenient for generating internal and external pressure difference, and is beneficial to realizing liquid flow between the inner flow passage and the outer flow passage of the branch. The pressure difference liquid outlet valve is particularly suitable for the environment that the pressure difference liquid outlet valve core is inconvenient to set at the tail end of the branch, and the pressure difference liquid outlet valve is arranged in the middle of the branch, can be hidden in a wall, can not be seen by a user, and is attractive and simple in appearance.
Drawings
FIG. 1 is a schematic diagram of a first hidden differential pressure outlet valve for controlling an outer flow channel according to the present utility model.
Fig. 2 is a schematic structural diagram of a second hidden type differential pressure liquid outlet valve for controlling an external flow channel according to the present utility model.
Fig. 3 is a schematic structural diagram of a third hidden type differential pressure liquid outlet valve for controlling an external flow channel according to the present utility model.
Fig. 4 is a schematic structural diagram of a first hidden type differential pressure liquid outlet valve for controlling an inner flow channel according to the present utility model.
Fig. 5 is a schematic structural diagram of a second hidden type differential pressure liquid outlet valve for controlling an inner flow channel according to the present utility model.
The meaning indicated by the reference numerals in the figures:
2-branch; 4-a differential pressure liquid outlet valve core;
12-an inner flow passage; 13-an outer flow channel;
21-a liquid outlet end of the pipeline; 22-a three-way pipe joint; 221-a joint mounting section; 222-a valve fitting; 223-separate channels; 224-partitions; 2241-extending walls; 2242-inner partition plate; 23-common linker;
41-a liquid outlet support; 42-a liquid outlet valve plate; 422-balance holes; 43-a liquid outlet diversion channel; 44-a liquid outlet spring;
Detailed Description
The utility model is further described with reference to the following specific examples:
embodiment one:
as shown in fig. 1, the hidden pressure difference liquid outlet valve of the present embodiment is mainly disposed at the liquid outlet end of the branch 2 of the pipe-in-pipe pipeline, and is used for controlling the liquid flow in the outer flow channel, and making the inner and outer flow channels generate pressure difference.
The pipe-in-pipe pipeline is composed of a pipe-in-pipe and a pipe-in-pipe joint, the pipe-in-pipe comprises an inner pipe, an outer pipe and a connecting part arranged between the inner pipe and the outer pipe, the inner pipe and the outer pipe are coaxially arranged, an inner flow channel is formed inside the inner pipe, and an outer flow channel is formed between the inner pipe and the outer pipe.
The liquid outlet end of the branch 2 is provided with a hidden pressure difference liquid outlet valve, a pipe in pipe and a common pipe joint 23 which are connected in sequence, wherein the hidden pressure difference liquid outlet valve is positioned in a wall and is used for increasing the liquid outlet resistance of an outer runner; the common pipe joint is arranged outside the wall, and liquid outlet equipment such as a shower head and the like is directly installed. Thus, the device is more attractive and convenient for installing common liquid outlet equipment.
The hidden differential pressure liquid outlet valve comprises a three-way pipe joint 22 and a differential pressure liquid outlet valve core 4, and the differential pressure liquid outlet valve core 4 is arranged on the branch pipe 2 through the three-way pipe joint 22.
The tee joint 22 is provided with two joint mounting parts 221 for connecting pipes, a joint inner pipe arranged between the two joint mounting parts 221 and a valve assembling part 222 for mounting the differential pressure liquid outlet valve core 4, wherein an inner flow passage is formed in the joint inner pipe and is communicated with the inner flow passage 12 of the branch 2; the outer side of the inner pipe of the joint forms an outer flow passage and is communicated with an outer flow passage 13 of the branch circuit 2.
The outside of the joint inner pipe is provided with a partition 224, the partition 224 is an annular partition plate arranged on the outside of the joint inner pipe, and is used for separating the outer flow passage and dividing the outer flow passage of the three-way pipe joint 22 into two parts, the partition is positioned in the valve assembling part 222, the valve assembling part 222 is provided with a separation passage 223 respectively communicated with the outer flow passage 13 corresponding to the joint mounting part 221, and the two parts are mutually communicated through the valve assembling part 222. That is, one ends of the two partition passages 223 are provided in the valve fitting portion 222, and the other ends of the two partition passages 223 communicate with the outer flow passages of the corresponding joint mounting portions 221, respectively.
The differential pressure tapping valve core 4 comprises a tapping support 41, a tapping spring 44 and a tapping valve plate 42.
The liquid outlet support 41 is similar to a valve cover, and is arranged at the outer end part of the valve assembly part 222 in a sealing way, the liquid outlet valve plate 42 and the liquid outlet spring 44 are arranged in the valve assembly part 222, and one end of the liquid outlet spring 44 is abutted against the liquid outlet valve plate 42, and the other end is abutted against the liquid outlet support 41.
The liquid outlet valve plate 42 has an annular guiding sidewall portion and a sealing bottom portion located at one end of the guiding sidewall portion, the guiding sidewall portion extends into the inner cavity of the liquid outlet support 41 and moves along the inner wall of the liquid outlet support 41, the sealing bottom portion is a plane, and the sealing bottom portion of the liquid outlet valve plate 42 is at least disposed on one of the separation channels 223 and is used for limiting the liquid flow of the outer flow channel.
The sealing bottom of the present embodiment mainly seals one partition passage 223, as shown in fig. 1, which mainly seals the partition passage 223 on the left side. In order to facilitate the reverse flow of the outer flow channel, the sealing bottom is provided with a liquid guiding channel 43, the liquid guiding channel 43 is an opening, which is opposite to the other separating channel 223, namely, the separating channel 223 on the right side, and at the same time, a part of the liquid guiding channel 43 is located in the separating channel 223 on the left side, so as to form a small backflow channel.
Embodiment two:
as shown in fig. 2, the structure of the present embodiment is substantially identical to that of the first embodiment, except that:
the sealing bottoms of the liquid outlet valve plates 42 can directly seal the two separation channels 223, but the liquid outlet flow guide channels 43 are arranged on the outer sides of the sealing bottoms corresponding to the separation parts, the liquid outlet flow guide channels 43 are grooves, and when the liquid outlet valve plates 42 are closed, the grooves can be communicated with the two separation channels 223 to realize reverse backflow.
Since a closed inner cavity is formed between the liquid outlet valve plate 42 and the liquid outlet supporting member 41, in order not to affect the movement of the liquid outlet valve plate 42, the liquid outlet valve plate 42 is provided with a balancing hole 422 for communicating the closed inner cavity with the external flow channel.
Embodiment III:
as shown in fig. 3, the structure of the present embodiment is substantially identical to that of the first embodiment, except that:
the diameter of the liquid outlet valve plate 42 is matched with the diameter of one separation channel 223, and the liquid outlet valve plate is movably arranged on the left separation channel 223, so that the liquid outlet resistance of the outer flow channel is increased.
Embodiment four:
as shown in fig. 4, the hidden pressure difference liquid outlet valve of the present embodiment is used to control the liquid flow in the inner flow channel, and make the inner flow channel and the outer flow channel generate a pressure difference.
The structure of the differential pressure liquid outlet valve core is the same as that of the first embodiment, and the difference is that the tee joint 22 is structured.
The tee joint 22 is provided with two joint mounting parts 221 for connecting pipes, a joint inner pipe arranged between the two joint mounting parts 221 and a valve assembling part 222 for mounting the differential pressure liquid outlet valve core 4, wherein an inner flow passage is formed in the joint inner pipe and is communicated with the inner flow passage 12 of the branch 2; the outer side of the inner pipe of the joint forms an outer flow passage and is communicated with an outer flow passage 13 of the branch circuit 2.
The partition 224 has an extension wall 2241 communicating the joint inner pipe with the valve fitting 222, and an inner partition 2242 provided in the extension wall 2241, the inner partition 2242 dividing the inner flow passage and dividing the inner flow passage of the three-way pipe joint 22 into two parts, the partition being located in the valve fitting 222 such that the valve fitting 222 is provided with partition passages 223 respectively communicating the inner flow passages 12 of the corresponding joint mounting parts 221, the two parts being communicated with each other by the valve fitting 222. That is, one ends of the two partition passages 223 are provided in the valve fitting portion 222, and the other ends of the two partition passages 223 communicate with the inner flow passages 12 of the corresponding joint mounting portions 221, respectively.
Fifth embodiment:
as shown in fig. 5, the tee 22 of this embodiment is substantially identical in construction to the fourth embodiment, except that,
the differential pressure liquid outlet valve core selects the differential pressure liquid outlet valve core in the third embodiment.
Example six:
this embodiment is substantially identical to the first embodiment in that:
the differential pressure tapping valve core 4 comprises a tapping support 41 and a tapping valve plate 42, wherein the tapping support 41 is arranged at the outer end part of the valve assembly part 222 in a sealing way. The liquid outlet valve plate 42 is a membrane and seals at least one of the separation passages 223.
Specifically, one end of the diaphragm is fixed to one side of the partition passage 223 through the liquid outlet support 41, and the other end thereof abuts against the partition passage 223 by itself, and when a water flow passes, the diaphragm deforms and opens the partition passage 223.
Preferably, the liquid outlet valve plate 42 is provided with the liquid outlet guide channel 43, and the liquid outlet guide channel 43 is a liquid outlet small hole.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. A concealed differential pressure liquid outlet valve for installation on a tube-in-tube line having an inner flow passage and an outer flow passage, comprising:
a three-way pipe joint (22) which is provided with joint mounting parts (221) of two connecting pipe middle pipes, a joint inner pipe arranged between the two joint mounting parts (221) and a valve assembling part (222), wherein an inner flow passage is formed in the joint inner pipe, an outer flow passage is formed at the outer side of the joint inner pipe, and the valve assembling part (222) is communicated with the inner flow passage or the outer flow passage; and
a differential pressure liquid outlet valve core (4) arranged on the valve assembly part (222);
wherein, pressure differential play liquid case (4) include:
a liquid outlet support (41) which is arranged at the outer end part of the valve assembly part (222) in a sealing way; and
and the liquid outlet valve plate (42) is used for controlling the water flow of the inner runner or the outer runner.
2. The hidden pressure differential liquid outlet valve according to claim 1, wherein: the differential pressure liquid outlet valve core (4) further comprises a liquid outlet spring (44), wherein the liquid outlet spring (44) is arranged between the liquid outlet support piece (41) and the liquid outlet valve plate (42) and is used for resetting the liquid outlet valve plate (42).
3. The hidden pressure differential liquid outlet valve according to claim 1, wherein: a partition part (224) is arranged in the valve assembly part (222), the partition part (224) is used for forming two partition channels (223), one ends of the two partition channels (223) are arranged in the valve assembly part (222), and the other ends of the two partition channels (223) are respectively communicated with an inner flow channel or an outer flow channel of the corresponding joint installation part (221);
the liquid outlet valve plate (42) is arranged at one end of at least one separation channel.
4. A hidden pressure differential outlet valve according to claim 3, wherein: the liquid outlet valve plate (42) is provided with an annular guide side wall part and a sealing bottom positioned at one end of the guide side wall part, and the guide side wall part extends into the inner cavity of the liquid outlet support piece (41) and moves along the inner wall of the liquid outlet support piece (41); the sealing bottom is intended to be arranged on the separation channel (223).
5. The hidden pressure differential outlet valve of claim 4, wherein: the sealing bottom is provided with a liquid outlet diversion channel (43).
6. A hidden pressure differential outlet valve according to any one of claims 3-5, wherein: the partition (224) is an annular partition plate provided outside the joint inner pipe for partitioning the outer flow passage when the valve fitting portion (222) communicates with the outer flow passage.
7. A hidden pressure differential outlet valve according to any one of claims 3-5, wherein: when the valve fitting portion (222) communicates with the inner flow passage, the partition portion (224) has an extension wall (2241) communicating the joint inner pipe and the valve fitting portion (222), and an inner partition (2242) provided in the extension wall (2241), the inner partition (2242) being for partitioning the inner flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001059.3U CN220286777U (en) | 2023-04-27 | 2023-04-27 | Concealed differential pressure liquid outlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001059.3U CN220286777U (en) | 2023-04-27 | 2023-04-27 | Concealed differential pressure liquid outlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286777U true CN220286777U (en) | 2024-01-02 |
Family
ID=89342559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321001059.3U Active CN220286777U (en) | 2023-04-27 | 2023-04-27 | Concealed differential pressure liquid outlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286777U (en) |
-
2023
- 2023-04-27 CN CN202321001059.3U patent/CN220286777U/en active Active
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| GR01 | Patent grant | ||
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