CN214008163U - Divide water collector valve and divide water collector - Google Patents
Divide water collector valve and divide water collector Download PDFInfo
- Publication number
- CN214008163U CN214008163U CN202022556523.8U CN202022556523U CN214008163U CN 214008163 U CN214008163 U CN 214008163U CN 202022556523 U CN202022556523 U CN 202022556523U CN 214008163 U CN214008163 U CN 214008163U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- water
- hole
- main pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sliding Valves (AREA)
Abstract
The application discloses divide water collector valve and divide water collector, divide water collector valve include the valve body that both ends link up and with valve body swivelling joint's case, the lateral wall of valve body is provided with the first through-hole of two at least inside and outside both sides of intercommunication valve body, the case bottom is located the valve body, the valve body is upwards worn out at the top, case the latter half is provided with opening blind hole down, the lateral wall of case is provided with a plurality of second through-holes that correspond with first through-hole, the inside and outside both sides of second through-hole intercommunication blind hole, the valve that this application discloses has two at least first through-holes and the second through-hole the same with first through-hole quantity, can communicate with the blind hole of case after first through-hole and the second through-hole intercommunication, the multiple-pass setting is for current single through-hole case flow increase, the problem that current valve.
Description
Technical Field
The utility model belongs to the technical field of warm logical equipment technique and specifically relates to a divide water collector valve and divide water collector.
Background
The branch water collector comprises branch water main pipe and water collection main pipe, the branch water main pipe is connected in pipe network system's delivery pipe, its main function is with coming from pipe network system's hot water through burying each room that needs floor heating to the distribution of ground heating coil under the floor, when hot water flows in ground heating coil, with heat transfer to the floor, the rethread floor is to indoor radiation heat transfer, branch water main pipe and water collection main pipe all are connected through the delivery pipe of valve with pipe network system, it leads to the water to mostly be a through-hole on the case of current branch water collector valve, a through-hole flow is less.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a divide water collector valve and divide water collector to it leads to the less problem of flow to set up a through-hole water-through on the case of solving current branch water collector valve.
The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a first aspect provides a divide water collector valve, include:
the upper end and the lower end of the valve body are communicated, and the outer side wall of the valve body is provided with at least two first through holes communicated with the inner side and the outer side of the valve body;
the valve element is connected with the valve body in a rotating and detachable mode, the bottom of the valve element is located in the valve body, the top of the valve element penetrates out of the valve body upwards, a blind hole with a downward opening is formed in the lower half portion of the valve element, a plurality of second through holes corresponding to the first through holes are formed in the side wall of the valve element, and the second through holes are communicated with the inner side and the outer side of the blind hole.
Preferably, the valve core is made of Teflon material, and the valve body is made of 304 stainless steel material.
Preferably, an axial limiting assembly is arranged between the valve core and the valve body.
Preferably, the axial limiting assembly comprises a limiting nut detachably connected with the top of the valve body and an annular retaining ring arranged on the outer side of the valve core, the outer diameter of the annular retaining ring is larger than the inner diameter of the valve body and smaller than or equal to the outer diameter of the valve body, the inner diameter of the lower half part of the limiting nut is equal to the outer diameter of the valve body, and the inner diameter of the top of the limiting nut is smaller than the outer diameter of the annular retaining ring.
Preferably, a first sealing ring is arranged between the outer side surface of the valve core and the inner side surface of the valve body.
Preferably, the outer side of the valve body is provided with an external thread for connecting with the water collecting and distributing device.
Preferably, the part of the valve core positioned in the valve body is cylindrical, and the top of the valve core is of a prismatic structure.
Preferably, a second sealing ring is arranged on the outer side of the bottom of the valve body.
Preferably, the valve body comprises an upper valve body and a lower valve body, and the upper valve body is connected with the lower valve body in a sealing mode.
The utility model discloses a second aspect provides a divide water collector, be responsible for and the valve including dividing, catchments, the valve is arbitrary above branch water collector valve, the valve is followed divide the water to be responsible for with the length direction who catchments and be responsible for sets up a plurality ofly, and follow with the axis vertically direction that divides the water to be responsible for or catchments to be responsible for runs through divide be responsible for or the person in charge that catchments, first through-hole is located divide the water to be responsible for or in the person in charge that catchments, the valve body with divide the water to be responsible for or the person in charge of threaded connection catchments.
The utility model discloses a divide water collector valve that first aspect provided, its beneficial effect is:
the utility model provides a divide water collector valve, including valve body and case, the valve body link up from top to bottom and the lateral wall of valve body is provided with two at least first through-holes that communicate the internal and external both sides of valve body, case and valve body swivelling joint, the case bottom is located in the valve body, the case top extends upwards and wears out the valve body, case the latter half is provided with the blind hole that the opening faces down, the lateral wall of case is provided with a plurality of second through-holes that correspond with first through-hole, the inside and outside both sides of blind hole are communicated to the second through-hole, this divides water collector valve to have the closure position, the intercommunication position and lies in the closure position and the regulation position between the intercommunication position, when rotating to the position that first through-hole aligns with the second through-hole time water collector valve lies in full open state, when this divides water collector valve to install on dividing the main pipe, the water in the main pipe of dividing gets into the blind hole through first through-hole and second through-hole, discharge pipe network system through the bottom of valve at last, when the water collecting and distributing device valve is arranged on the water collecting main pipe, water in a pipe network system enters the blind hole through the bottom of the valve, then enters the water collecting main pipe through the second through hole and the first through hole, when the second through hole rotates to a position completely attached to the inner wall of the valve, the first through hole is sealed by the outer side wall of the valve core, the second through hole is sealed by the inner wall of the valve, the valve is in a closed position at the moment, when the second through hole rotates to a position where the first through hole is overlapped with the second through hole, the valve is positioned at an adjusting position, the valve opening can be adjusted by adjusting the overlapping area of the first through hole and the second through hole, the water inflow or water outflow is controlled, the valve disclosed by the application is provided with at least two first through holes and second through holes with the same number as the first through holes, the first through holes can be communicated with the blind hole of the valve core, and the multi-hole valve core is arranged to increase the flow rate relative to the existing single-hole valve core, the problem of current valve adopt single through-hole design flow little is solved.
The utility model discloses a second aspect provides a divide water collector, its beneficial effect is:
the utility model provides a pair of divide water collector, be responsible for and the valve including dividing the water, collect water, the valve is more than divide the water collector valve, be responsible for or collect water the length direction who is responsible for along dividing the water and set up a plurality of above-mentioned valves, every valve all runs through the water diversion and is responsible for or collect water the person in charge along the axis vertically direction who is responsible for or collect water with dividing the water, first through-hole is located the water diversion and is responsible for or collect water the main pipe, the valve body is responsible for or collect water with dividing the water and is responsible for threaded connection, divide the water collector in this application use foretell branch water collector valve after, can realize the same beneficial effect with foretell branch water collector valve.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
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 is a valve body structure diagram shown in the embodiment of the present invention;
fig. 2 is a structure diagram of a water dividing and collecting device valve shown in the embodiment of the present invention;
fig. 3 is a cross-sectional view of the water distributor and collector valve shown in the embodiment of the present invention in a fully opened state;
fig. 4 is a cross-sectional view of the water distributor and collector valve in a fully closed state according to the embodiment of the present invention;
fig. 5 is a cross-sectional view of the split-type water distributor-collector valve shown in the embodiment of the present invention in a fully opened state.
In the figure: 1. a valve body; 2. a first through hole; 3. a valve core; 4. blind holes; 5. a second through hole; 6. a limit nut; 7. an annular retainer ring; 8. a first seal ring; 9. a third seal ring; 10. and a second seal ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1-5, a water collector valve provided by a first aspect of the present invention comprises a valve body 1 and a valve core 3, wherein the valve body 1 is vertically penetrated, the outer side wall of the valve body 1 is provided with at least two first through holes 2 communicating the inner side and the outer side of the valve body 1, the valve core 3 is rotatably connected with the valve body 1, the bottom of the valve core 3 is positioned in the valve body 1, the top of the valve core 3 extends upwards to penetrate out of the valve body 1, the lower half part of the valve core 3 is provided with a blind hole 4 with a downward opening, the side wall of the valve core 3 is provided with a plurality of second through holes 5 corresponding to the first through holes 2, the second through holes 5 communicate the inner side and the outer side of the blind hole 4, the water collector valve has a closed position, a communication position and an adjusting position between the closed position and the communication position, when the water collector valve is rotated to a position where the first through holes 2 and the second through holes 5 are aligned, the water collector valve is positioned in a fully opened state when the water collector valve is installed on a main water distributor, when the water collector valve is arranged on the water collecting main pipe, the water in the pipe network system enters the blind hole 4 through the bottom of the valve, then passes through the second through hole 5 and the first through hole 2 to enter the water collecting main pipe, when the second through hole 5 rotates to a position completely attached to the inner wall of the valve, the first through hole 2 is sealed by the outer side wall of the valve core 3, the second through hole 5 is sealed by the inner wall of the valve, the valve is in a closed position, when the first through hole 2 and the second through hole 5 are partially overlapped, the valve is in an adjusting position, the opening of the valve can be adjusted by adjusting the overlapping area of the first through hole 2 and the second through hole 5, the water inlet amount or the water outlet amount is controlled, the outer side of the valve is provided with a detachable connecting structure for connecting with the water distributing main pipe or the water collecting main pipe, the utility model discloses a valve has two at least first through-holes 2 and with the second through-hole 5 that first through-hole 2 quantity is the same, can communicate with blind hole 4 of case 3 behind first through-hole 2 and the 5 intercommunication of second through-hole, the multiple-pass setting has solved current valve and has adopted the little problem of single through-hole design flow for current single through-hole case flow increase.
Specifically, the valve body 1 may be a cylindrical structure, the interior of the valve body is hollow, two ends of the valve body are communicated, two first through holes 2 may be disposed on the outer side of the valve body 1, the two first through holes 2 are disposed on two sides of the valve body 1 at an interval of 180 degrees, the portion of the valve core 3 located inside the valve body 1 is cylindrical, the outer diameter of the portion is equal to the inner diameter of the valve body 1, the valve core 3 may be directly inserted into or pulled out from the top of the valve body 1, so as to facilitate the installation and detachment of the valve core 3, the top of the valve core 3 may be a prismatic structure, which facilitates the rotation of a tool, and may be a square or kidney-shaped structure, two second through holes 5 may be disposed on the outer side of the valve core 3, the two second through holes 5 are disposed on two sides of the valve core 3 at an interval of 180 degrees, the first through holes 2 are the same as the second through holes 5, when the valve is fully opened, the first through holes 2 and the second through holes 5 are completely overlapped, when the valve is completely closed, the first through hole 2 is completely closed by the outer side wall of the valve core 3, and the second through hole 5 is completely closed by the inner side wall of the valve body 1.
In order to prevent the valve core 3 from moving relative to the valve body 1 along the axial direction after the valve core 3 is inserted into the valve body 1, an axial limiting component can be arranged between the valve core 3 and the valve body 1.
Specifically, the axial limiting component may include a limiting nut 6 and an annular retaining ring 7 disposed outside the valve core 3, the annular retaining ring 7 may be an annular protrusion disposed outside the valve core 3, the annular protrusion is integrally formed with the valve core 3, the annular protrusion is disposed at a position corresponding to the top end of the valve core 3 and the top end of the valve body 1, an outer diameter of the annular protrusion is larger than an inner diameter of the valve body 1 and smaller than or equal to an outer diameter of the valve body 1, when the valve core 3 is inserted into the valve body 1, a bottom surface of the annular protrusion contacts with a top surface of the valve body 1, the limiting nut 6 includes a connecting portion at the bottom and a blocking portion at the top, the connecting portion is provided with an inner thread, the top of the valve body 1 is provided with an outer thread matching the connecting portion, the connecting portion is in threaded connection with the valve body 1, an inner diameter of the blocking portion is smaller than an outer diameter of the annular retaining ring 7, preferably, the inner diameter of the blocking portion is equal to the outer diameter of the valve core 3 above the annular retaining ring 7, after the valve core 3 is installed in the valve body 1, the limiting nut 6 is in threaded connection with the valve body 1, and the bottom surface of the blocking part of the limiting nut 6 is in contact with the top surface of the annular bulge, so that the axial movement of the valve core 3 can be limited.
The inside case 3 of tradition branch water collector valve is mostly metal material, uses for a long time and can be corroded, leads to 3 sealed untight and the problem that produces the leakage of case, greatly reduced the life of valve, foretell case 3 uses the special fluorine dragon material, valve body 1 uses 304 stainless steel materials, and special fluorine dragon is polytetrafluoroethylene's another name, and polytetrafluoroethylene has following characteristic: 1. the valve core is non-sticky, almost all substances are not adhered to the polytetrafluoroethylene coating, the adhesion speed of impurities such as scale and the like on the valve core 3 can be greatly reduced, and the cleaning period is prolonged; 2. Heat resistance: the polytetrafluoroethylene coating has excellent heat resistance and low temperature resistance, can resist high temperature to 300 ℃ in a short time, can be continuously used at the temperature of 240-260 ℃, has remarkable thermal stability, can work at a freezing temperature without embrittlement, does not melt at high temperature, and can be suitable for heating and ventilation pipelines such as floor heating and the like; 3. the sliding property is that the polytetrafluoroethylene coating has a lower friction coefficient, the friction coefficient changes when the load slides, but the numerical value is only between 0.05 and 0.15, and the lower friction coefficient can ensure that the polytetrafluoroethylene coating is smoother when the flow rate adjusting rotary valve core 3 is used; 4. moisture resistance: the polytetrafluoroethylene coating surface is not stained with water and oil, is not easy to be stained with solution during production operation, and can be cleaned by simple wiping if a small amount of dirt is adhered, so that the polytetrafluoroethylene coating is convenient to clean; 5. the valve core has excellent wear resistance, has the double advantages of wear resistance and non-adhesion under a certain load, and can greatly prolong the service life of the valve core 3; 6. the corrosion resistance is realized, the polytetrafluoroethylene is hardly corroded by medicines, the polytetrafluoroethylene can bear the effects of all strong acids (including aqua regia), strong oxidants, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃, parts can be protected from any kind of chemical corrosion, and the service life of the valve core 3 can be greatly prolonged; in addition, 304 stainless steel also has excellent corrosion resistance, so that the valve body 1 is connected with the water distribution main pipe or the water collection main pipe by using the stainless steel, and the valve core 3 in the valve body is made of Teflon, so that the service life of the valve can be greatly prolonged.
In order to prevent water from seeping out of the contact surface of the valve core 3 and the valve body 1, an annular groove can be formed in the outer side surface of the valve core 3, a first sealing ring 8 is arranged in the annular groove, the first sealing ring 8 can be an O-shaped sealing ring, the diameter of the O-shaped sealing ring is larger than the depth of the groove, and after the O-shaped sealing ring is installed, the O-shaped sealing ring is extruded between the groove and the inner side surface of the valve body 1 to achieve a sealing effect.
The outer side of the valve body 1 is also provided with an external thread used for being connected with the water collecting and distributing device, and a water distributing main pipe and a water collecting main pipe of the water collecting and distributing device are connected.
Preferably, foretell valve body 1 can split type design, including last valve body 101 and lower valve body 102, it is inboard that the bottom of going up valve body 101 can insert lower valve body 102 top, can set up third sealing washer 9 in the outside of last valve body 101 bottom insertion part, when inserting the inside back of lower valve body 102, third sealing washer 9 is located and accomplishes sealedly between the valve body 101 outside and the lower valve body 102 inboard, so set up and be convenient for process valve body 1, specifically, when valve body 1 is split type design, first through-hole 2 can set up in last valve body 101 outside, 3 bottoms of case are all located valve body 101.
The utility model provides a water dividing and collecting device, which comprises a water dividing main pipe, a water collecting main pipe and valves, wherein the valves are the water dividing and collecting device valves, a plurality of the valves are arranged along the length direction of the water dividing main pipe or the water collecting main pipe, each valve penetrates through the water dividing main pipe or the water collecting main pipe along the direction vertical to the axis of the water dividing main pipe or the water collecting main pipe, a first through hole 2 is positioned in the water dividing main pipe or the water collecting main pipe, mounting holes are arranged at the positions of the water distributing main pipe or the water collecting main pipe where the water distributing and collecting device valves are arranged, internal threads are arranged in the mounting holes, the valve body 1 is in threaded connection with the water distributing main pipe or the water collecting main pipe, when the valve body 1 is designed in a split mode, the upper valve body 101 is connected with a mounting hole in the top of the water distribution main pipe or the water collection main pipe, the lower valve body 102 is connected with a mounting hole in the bottom of the water distribution main pipe or the water collection main pipe, and after the valve body is mounted, the bottom of the upper valve body 101 is just in sealing connection with the top of the lower valve body 102.
The utility model discloses a divide water collector to use foretell branch water collector valve, foretell branch water collector valve have two at least first through-holes 2 and with the same second through-hole 5 of first through-hole 2 quantity, can communicate with blind hole 4 of case 3 after first through-hole 2 communicates with second through-hole 5, the multiple-pass hole sets up for current single through-hole case flow increase, has solved current valve and has adopted the little problem of single through-hole design flow.
In addition, the valve body of the water collecting and distributing device valve is made of 304 stainless steel, and the valve core is made of Teflon materials, so that the service life of the valve can be greatly prolonged, and the service life of the valve is the same as or similar to that of a geothermal pipe.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A manifold valve, comprising:
the valve comprises a valve body (1), wherein the upper end and the lower end of the valve body (1) are communicated, and the outer side wall of the valve body (1) is provided with at least two first through holes (2) which are communicated with the inner side and the outer side of the valve body (1);
the valve element (3) is connected with the valve body (1) in a rotating and detachable mode, the bottom of the valve element (3) is located in the valve body (1), the top of the valve element (3) upwards penetrates out of the valve body (1), a blind hole (4) with a downward opening is formed in the lower half portion of the valve element (3), a plurality of second through holes (5) corresponding to the first through holes (2) are formed in the side wall of the valve element (3), and the second through holes (5) are communicated with the inner side and the outer side of the blind hole (4).
2. The water dividing and collecting device valve according to claim 1, wherein the valve core (3) is made of teflon, and the valve body (1) is made of 304 stainless steel.
3. The water distributor-collector valve according to claim 1, wherein an axial limiting component is arranged between the valve core (3) and the valve body (1).
4. The water collector and divider valve according to claim 3, wherein the axial limiting assembly comprises a limiting nut (6) detachably connected with the top of the valve body (1) and an annular retaining ring (7) arranged on the outer side of the valve core (3), the outer diameter of the annular retaining ring (7) is larger than the inner diameter of the valve body (1) and smaller than or equal to the outer diameter of the valve body (1), the inner diameter of the lower half part of the limiting nut (6) is equal to the outer diameter of the valve body (1), and the inner diameter of the top of the limiting nut (6) is smaller than the outer diameter of the annular retaining ring (7).
5. The water distributor-collector valve according to claim 1, wherein a first sealing ring (8) is arranged between the outer side surface of the valve core (3) and the inner side surface of the valve body (1).
6. The water distributor-collector valve according to claim 1, characterized in that the valve body (1) is provided with an external thread on the outside for connecting with a water distributor-collector.
7. The water dividing and collecting device valve according to claim 1, wherein the part of the valve core (3) located in the valve body (1) is cylindrical, and the top of the valve core (3) is of a prismatic structure.
8. The water distributor-collector valve according to claim 1, characterized in that a second sealing ring (10) is arranged on the bottom outer side of the valve body (1).
9. The water distributor and collector valve according to any one of claims 1 to 8, wherein the valve body (1) comprises an upper valve body (101) and a lower valve body (102), and the upper valve body (101) is in sealing connection with the lower valve body (102).
10. A water dividing and collecting device, which comprises a water dividing main pipe, a water collecting main pipe and valves, and is characterized in that the valves are the water dividing and collecting device valves as claimed in any one of claims 1 to 9, the valves are arranged along the length direction of the water dividing main pipe and the water collecting main pipe, and penetrate through the water dividing main pipe or the water collecting main pipe along the direction perpendicular to the axis of the water dividing main pipe or the water collecting main pipe, and the first through hole (2) is positioned in the water dividing main pipe or the water collecting main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556523.8U CN214008163U (en) | 2020-11-06 | 2020-11-06 | Divide water collector valve and divide water collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556523.8U CN214008163U (en) | 2020-11-06 | 2020-11-06 | Divide water collector valve and divide water collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008163U true CN214008163U (en) | 2021-08-20 |
Family
ID=77303545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022556523.8U Expired - Fee Related CN214008163U (en) | 2020-11-06 | 2020-11-06 | Divide water collector valve and divide water collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082539A (en) * | 2021-12-15 | 2022-02-25 | 厦门卓霈科技有限公司 | Flow regulator |
-
2020
- 2020-11-06 CN CN202022556523.8U patent/CN214008163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082539A (en) * | 2021-12-15 | 2022-02-25 | 厦门卓霈科技有限公司 | Flow regulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214008163U (en) | Divide water collector valve and divide water collector | |
| CN208734973U (en) | A kind of Water flow control valve door with filtering function | |
| CN211503759U (en) | Domestic wastewater heat recovery device | |
| CN210373824U (en) | Energy-saving idle call prevents condensing refrigeration copper pipe | |
| CN208982751U (en) | A kind of anti-leakage valve faucet | |
| CN204592397U (en) | Anticreep safety water mixing valve | |
| CN116951108B (en) | Valve core self-cleaning type temperature control valve | |
| CN208533665U (en) | A kind of municipal drainage transformation device based on SWMM | |
| CN206112197U (en) | Electric valve convenient to installation | |
| CN212657280U (en) | Novel copper ball valve | |
| CN218606471U (en) | Double-layer water spray pipe assembly and cleaning equipment with same | |
| CN206439451U (en) | A kind of horizontal check valve | |
| CN220250108U (en) | Integrated all-stainless steel water separator | |
| CN218914149U (en) | Buried pipe joint | |
| CN201043778Y (en) | Geothermal water-heating integral set | |
| CN211372561U (en) | Water collecting and distributing device | |
| CN109323484A (en) | Wet radiation-convectionheat heat exchanger | |
| CN211344112U (en) | Valve for water distributing and collecting device | |
| CN211550867U (en) | Sealing ring type pipe-in-pipe mounting structure | |
| CN214146679U (en) | Automatic clear ball valve | |
| CN215981033U (en) | Anti-leakage fire valve | |
| CN215410856U (en) | Heat preservation pipe for underground heating | |
| CN220600772U (en) | Rotatable water pump joint with multiple water outlets | |
| CN215720971U (en) | Ball valve with good anti-corrosion effect | |
| CN211373290U (en) | Indoor heating and ventilation equipment with high heat utilization rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210820 Termination date: 20211106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |