CN108953700B - Automatic flow stopping device for pipe internal pressure and application thereof - Google Patents
Automatic flow stopping device for pipe internal pressure and application thereof Download PDFInfo
- Publication number
- CN108953700B CN108953700B CN201811018355.8A CN201811018355A CN108953700B CN 108953700 B CN108953700 B CN 108953700B CN 201811018355 A CN201811018355 A CN 201811018355A CN 108953700 B CN108953700 B CN 108953700B
- Authority
- CN
- China
- Prior art keywords
- hole
- flow
- valve body
- flow hole
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 55
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Check Valves (AREA)
Abstract
The invention provides an automatic flow stopping device for internal pressure of a pipe, which comprises a valve body, a through-flow hole arranged on the valve body and a valve core for opening and blocking the through-flow hole. Can realize from the terminal automatic shutoff of pipeline, the device utilizes the water pressure in the water pipe, and the displacement that utilizes the spring to carry out the separation blade like need not traditional water stop valve blocks, has effectively avoided the spring to damage the water leakage that leads to the fact, and device structure is simpler, and the sealing effect is good, need not to form the dismantlement, and other water intaking devices such as direct mount tap are automatic to open the end cap, when demolishing other devices such as tap, the end cap is automatic to be shutoff.
Description
Technical Field
The invention relates to the technical field of pipeline water stop valves, in particular to a water stop valve which automatically stops water by utilizing the internal pressure of a pipe without the aid of spring force, and particularly relates to an internal pressure automatic flow stop device of the pipe and application thereof.
Background
As is well known, many water stopping devices are currently available, and most common water taps, check valves and the like are one expression of the water stopping device.
The water stop valve of the faucet series is a water stop device which can realize the sealing of a pipeline by using a built-in spring without external force except for a structural electromagnetic valve which can realize the sealing of water by external force.
At present, no matter the check valve on the market is three-way or two-way, the valve core is basically arranged inside, then the valve core moves along the valve rod in a directional way, the force for plugging the pipeline is derived from the spring inside, the spring is used for a long time, the spring is rusted, on one hand, the water quality is influenced, meanwhile, the check valve is easy to fracture and lose efficacy, the phenomenon that the plugging port is dripped when the check valve is light and the phenomenon that the check valve cannot plug when the check valve is heavy occurs is light.
At present, in the pipeline installation process such as water heating, the temporary or permanent plugging at the tail end of the pipeline can be screwed into the plug, the plug is in threaded connection, the plug is in thermal connection, no matter what connection is, the plug needs to be removed when the plug is restarted, then other water taking devices such as a water tap are connected, in the process, the main valve on the pipeline also needs to be turned off, so that the water taking devices such as the water tap are convenient to install, meanwhile, the waste of water resources in the installation process of the water tap is avoided, but the installation position of the main valve on the common pipeline is more secret, and the main valve is also arranged in some places outdoors, so that the operation is very complicated.
In addition, the water tap can generate water leakage phenomenon when being used throughout the year, if the water tap is not repaired in time, the water resource waste can be caused, at present, when the traditional water pipe is used, the water tap or other water taking equipment is connected on the elbow or the tee joint, the elbow or the tee joint is generally in two forms, one is of a nested structure, the other is of a smooth wall structure, different forms are adopted according to different use requirements, the water tap is provided with nested structures and can be directly used, and the water tap is not provided with nested structures and can be connected by heat or external screw sleeves.
The above water stop is merely representative of flowing liquid, and a series of flows of liquid medium or gaseous medium are all commonly used in the description and expression of this scheme.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides an automatic flow stopping device for the internal pressure of a pipe and an application thereof:
Can realize from the terminal automatic shutoff of pipeline, the device utilizes the water pressure in the water pipe, and the displacement that utilizes the spring to carry out the separation blade like the traditional water stop valve is blockked, has effectively avoided the spring to damage the water leakage that causes, and device structure is simpler, and the sealing effect is good.
The plug is automatically opened by directly installing other water taking devices such as the tap and the like without disassembling, the plug is automatically plugged when the tap and other devices are disassembled, equipment is positioned at the tail end of a pipeline, the plug is not required to be disassembled when the tap and other devices are installed, the tap and other devices are directly connected with the tail end of a pipe orifice, the tap and other devices are generally in threaded connection, the tap and other devices are screwed into the pipeline, the push rod is pushed, and accordingly the valve core is opened by the push rod, and the pipeline is opened.
The installation need not to turn off the pipeline master valve, labour saving and time saving improves the efficiency of construction, and the dismantlement tap in-process, tap junction part outwards unscrews, and push rod external force withdraws gradually, and the medium pressure promotes the case removal for the sealing washer outwards removes, with main part sealing fit, and is provided with the guide bar, realizes directional removal, and the sealing effect of stagnant water is good.
The water stopping device can be independently installed and applied to the tail end of a water pipe, external threads arranged outside are utilized to be matched with the existing pipe fitting or the embedded threads of the joint, the installation and the use of a faucet are not affected, enough installation space for the length of the assembly screw teeth is reserved, and the assembly size can be adjusted according to actual requirements.
The water stop device can also be integrally used with a pipe or a joint, is used as a standard embedded piece, and is secondarily manufactured with a standard piece of a pipe fitting such as a tee joint, an elbow and the like, so as to manufacture the standard piece of the tee joint, the elbow and the like with the water stop function.
The technical scheme is that the automatic flow stopping device for the internal pressure of the pipe comprises a valve body, a through-flow hole arranged on the valve body and a valve core for opening and blocking the through-flow hole, wherein the valve core is pushed to automatically move along the medium flow direction in the pipe to block the through-flow hole by utilizing the medium pressure in the pipe, the medium pressure in the pipe is overcome by utilizing the acting force outside the pipe, and the valve core is moved along the opposite direction of the medium flow direction in the pipe to open the through-flow hole.
The technical scheme is similar to the working principle of the check valve in the traditional sense, but has essential difference, the check valve is used for preventing backflow, discharged medium is blocked by using spring pressure and the like, when the pressure in the pipe is greater than the spring pressure, the valve core is pushed away by the pressure in the pipe, and the opening of the pipeline is realized.
Preferably, the through hole comprises two sections, namely a first through hole and a second through hole, and a limiting step for limiting the valve core to move towards the direction of the second through hole is arranged between the first through hole and the second through hole.
Preferably, the valve core is provided with a push rod capable of pushing the valve core to move under the action of external force, and the push rod is positioned in the through hole and extends towards the opposite side of the valve core pressure bearing surface.
Preferably, a sealing device is arranged between the valve core and the first through flow hole, and the sealing device is a sealing ring sleeved on the valve core and moving along with the valve core or a sealing sleeve embedded in the first through flow hole.
Preferably, the inner wall of the first through-flow hole is provided with a taper, and the inner diameter of the first through-flow hole gradually becomes smaller from one side far away from the second through-flow hole to one side adjacent to the second through-flow hole.
Preferably, the first through hole is one or more of a circle, an ellipse or a polygon, the valve core can slide in the first through hole, and the second through hole is one or more of a circle, an ellipse or a polygon.
Preferably, the second through-flow hole is symmetrically provided with a reaming part for guiding and sliding the push rod, the push rod is positioned in the reaming part and slides, the tail part of one end of the push rod, which is far away from the valve core, is provided with a limiting protrusion, the valve body is provided with a groove for storing the limiting protrusion, and the limiting protrusion interferes with the boss to limit the moving distance of the push rod.
Preferably, the through-flow hole is positioned on the central axis of the valve body, the valve body is of a boss-shaped structure and comprises two sections of bosses with different external dimensions, and an external thread is arranged on one section of boss with a larger dimension on the valve body.
Preferably, the flow area of the first through-flow hole is larger than that of the second through-flow hole, the first through-flow hole is circular, the valve core is a baffle plate capable of moving into the first through-flow hole, the baffle plate is circular, and the second through-flow hole is hexagonal.
As a development application of the device, one end of the valve body far away from the valve core is further provided with a fixing table used for being matched with the pipe fitting, the fixing table and the valve body are integrally designed, the fixing table is one or more of a cylinder, a cone and a pyramid, the outer surface of the fixing table is provided with threads or anti-falling protrusions, the valve body with the fixing table is used for an inner wall insert of the pipe fitting, the pipe fitting is manufactured into an integral structure with the pipe fitting during pipe fitting manufacturing, and the pipe fitting comprises an elbow pipe fitting, a tee pipe fitting and a four-way pipe fitting.
The beneficial effect of adopting this technical scheme is:
1. Can realize from the terminal automatic shutoff of pipeline, the device utilizes the water pressure in the water pipe, and the displacement that utilizes the spring to carry out the separation blade like the traditional water stop valve is blockked, has effectively avoided the spring to damage the water leakage that causes, and device structure is simpler, and the sealing effect is good.
2. The plug is automatically opened by directly installing other water taking devices such as the tap and the like without disassembling, the plug is automatically plugged when the tap and other devices are disassembled, equipment is positioned at the tail end of a pipeline, the plug is not required to be disassembled when the tap and other devices are installed, the tap and other devices are directly connected with the tail end of a pipe orifice, the tap and other devices are generally in threaded connection, the tap and other devices are screwed into the pipeline, the push rod is pushed, and accordingly the valve core is opened by the push rod, and the pipeline is opened.
3. The installation need not to turn off the pipeline master valve, labour saving and time saving improves the efficiency of construction, and the dismantlement tap in-process, tap junction part outwards unscrews, and push rod external force withdraws gradually, and the medium pressure promotes the case removal for the sealing washer outwards removes, with main part sealing fit, and is provided with the guide bar, realizes directional removal, and the sealing effect of stagnant water is good.
4. The water stopping device can be independently installed and applied to the tail end of a water pipe, external threads arranged outside are utilized to be matched with the existing pipe fitting or the embedded threads of the joint, the installation and the use of a faucet are not affected, enough installation space for the length of the assembly screw teeth is reserved, and the assembly size can be adjusted according to actual requirements.
5. The water stop device can also be integrally used with a pipe or a joint, is used as a standard embedded piece, and is secondarily manufactured with a standard piece of a pipe fitting such as a tee joint, an elbow and the like, so as to manufacture the standard piece of the tee joint, the elbow and the like with the water stop function.
Drawings
Fig. 1 is a schematic view of the structure of the automatic flow stop device (through-flow state).
Fig. 2 is a schematic diagram of a structure of the automatic pipe internal pressure flow stop device (flow-through state).
Fig. 3 is a schematic diagram of an automatic flow stop device in the pipe internal pressure (flow stop state).
Fig. 4 is a schematic diagram of the structure of the automatic flow stop device in the pipe internal pressure (flow stop state).
Fig. 5 is a schematic view of the internal structure of the automatic pipe internal pressure flow stop device (flow state).
Fig. 6 is a schematic view of the internal structure of the automatic flow stop device (flow stop state) in the pipe internal pressure.
Fig. 7 is an exploded schematic view of the in-tube pressure automatic flow stop device.
Fig. 8 is a schematic view of the use structure of the automatic flow stop device with internal thread in pipe internal pressure (flow stop state).
Fig. 9 is a schematic view of the use structure of the automatic flow stop device with internal pressure in the pipe and the elbow with internal thread (through-flow state).
Fig. 10 is a schematic view of the construction of the automatic pipe internal pressure stop device as a pipe fitting.
Fig. 11 is a schematic view showing the internal structure of the automatic pipe internal pressure stop device as a pipe fitting.
Fig. 12 is a schematic view of a structure (through-flow state) of the automatic pipe internal pressure stop device as a fitting for fitting with a tee.
Fig. 13 is a schematic view of the structure of the automatic flow stop device for pipe fitting and tee fitting (flow stop state).
Fig. 14 is a schematic view of the structure of the automatic flow stop device for pipe fitting and elbow fitting in pipe internal pressure (flow stop state).
Fig. 15 is a schematic view of a structure (through-flow state) of the automatic pipe internal pressure stop device as a fitting for fitting with an elbow.
Detailed Description
For convenience of explanation, the automatic flow stop device for internal pressure of pipe and its application will be described in detail with reference to the accompanying drawings.
1, Implementation:
As shown in fig. 1-9, an automatic flow stopping device for pipe internal pressure comprises a valve body 1, a through-flow hole 2 arranged on the valve body 1, and a valve core 3 for opening and blocking the through-flow hole 2, wherein the through-flow hole 2 is blocked by pushing the valve core 3 to move along the flow direction of medium in the pipe automatically by utilizing the pressure of medium in the pipe, the through-flow hole 2 is opened by utilizing the external force of the pipe to overcome the pressure of the medium in the pipe by moving the valve core 3 along the reverse direction of the flow direction of the medium in the pipe, the technical scheme is that the flow stopping device is used for the tail end of a pipeline, whether the output end of the gas or the liquid is used, the greater the pressure in the pipeline is, the better the blocking effect is, the effect is required to be used when the flow stopping device is opened, the through-flow hole 2 comprises two sections, namely a first through-flow hole 2.1 and a second through-flow hole 2.2, a limiting step 4 for limiting the movement of the valve core 3 towards the direction of the second through-flow hole 2.2 is arranged between the first through-flow hole 2.1 and the second through-flow hole 2.2, when the medium pressure in the pipeline acts on the valve core, the pressure bearing surface of the valve core moves the valve core under the action of the pressure, the valve core is pushed into the first through hole, but not endlessly pushed, a limiting step is arranged to play a role in blocking, the valve core 3 is provided with a push rod 5 which can push the valve core 3 to move under the action of external force, the push rod 5 is positioned in the through hole 2 and extends towards the opposite side of the pressure bearing surface of the valve core 3, the push rod is mainly used for opening the valve core at the later stage, in addition, the push rod also adds an auxiliary function, provides a guide for the movement of the valve core, prevents the valve core from being deviated due to the acceptance unevenness, a sealing device 6 is arranged between the valve core 3 and the first through hole 2.1, the sealing device 6 is a sealing ring which is sleeved on the valve core 3 and moves along with the valve core 3, the sealing ring further improves the sealing effect, of course, the skilled person can also think that the sealing device can be used as a sealing sleeve embedded in the first through hole 2.1 in a fixed mode, the inner wall of the first through hole 2.1 is provided with taper, the inner diameter of the first through hole 2.1 is gradually reduced from one side far away from the second through hole 2.2 to one side close to the second through hole 2.2, the taper is generally set at an angle of 5+/-2 degrees, the sealing device is not limited to the angle, particularly, all the sealing device is related to a using field, 10 degrees, 20 degrees, 30 degrees and even 45 degrees are possible, for better sealing, the taper can be set at the first through hole, the higher the medium pressure is, the tighter the valve core is pushed, the greater the deformation degree of the sealing device is, the better the sealing effect is, the first through hole 2.1 is one or more of a circle, an ellipse or a polygon, the valve core 3 can slide in the first through hole 2.1, the second through-flow hole 2.2 is one or more of round, oval or polygonal, and is generally circular, but for further protection and more places, the second through-flow hole 2.2 can also be designed into other polygonal structures with the cross-section of the second through-flow hole, such as square, diamond and the like, of course, some combined patterns, such as a combination of rectangle and circle and the like, the second through-flow hole 2.2 is symmetrically provided with a reaming part 7 for guiding and sliding a push rod 5, the push rod can be divided into two groups, three groups, four groups or other groups, on one hand, push rod thrust and strength are ensured, the internal valve core can be pushed aside, on the other hand, the push rod 5 slides in the reaming part 7, the tail part of one end of the push rod 5, which is far away from the valve core 3, is provided with a limit protrusion 8, the valve body 1 is provided with a groove 11 for storing the limit protrusion 8, the limiting protrusion 8 interferes with the valve body 1 to limit the moving distance of the push rod 5, the through hole 2 is located on the central axis of the valve body 1, the valve body 1 is of a boss-shaped structure and comprises two bosses with different external dimensions, an external thread 9 is arranged on one boss with a larger dimension on the valve body 1, the through area of the first through hole 2.1 is larger than that of the second through hole 2.2, the first through hole 2.1 is circular, the valve core 3 is a baffle capable of moving into the first through hole 2.1, the baffle is circular, and the second through hole 2.2 is hexagonal. The device can be directly matched with a pipe joint with internal threads for use, and when in use, the device is directly matched and installed with the internal threads of the pipe joint by utilizing the external threads 9, and screwed into the pipe joint by the device, so that the tail end of the push rod is positioned in the pipe joint, and the device is convenient for installing water taking devices such as a later-stage faucet.
Example 2:
As shown in fig. 10-15: the automatic pipe internal pressure flow stopping device is not only a use value of an independent accessory, according to the structural characteristics of a product, the further research and development and application of the automatic pipe internal pressure flow stopping device are carried out, one end of the valve body 1 far away from the valve core 3 is also provided with a fixed table 10 used for being matched with a pipe fitting for installation, the fixed table 10 and the valve body 1 are integrally designed, the fixed table 10 is one or more of a cylinder, a cone and a pyramid, the outer surface of the fixed table 10 is provided with threads or anti-drop protrusions, the water stopping device can also be integrally used with a pipe or a joint, and can be used as a standard embedded part to be secondarily manufactured with the standard parts of the pipe fitting such as a tee joint, an elbow and the like, so that the standard parts such as the tee joint and the elbow with the water stopping function are manufactured.
While the foregoing embodiments have been described with respect to the preferred embodiments of the present invention, it will be apparent that many variations are possible in the inventive concepts herein, and it should be understood that any variations that fall within the inventive concepts herein are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides an automatic stop device of intraductal pressure, includes valve body (1), sets up through-flow hole (2) on valve body (1), and is used for opening and shutoff through-flow hole (2) case (3), characterized by: utilize intraductal medium pressure, promote case (3) and move through-hole (2) shutoff along intraductal medium flow direction automatically, utilize intraductal medium pressure to overcome, case (3) remove through-hole (2) to open along intraductal medium flow direction's opposite direction, through-hole (2) are first through-hole (2.1) and second through-hole (2.2) respectively, are equipped with limit step (4) that limit case (3) moved towards second through-hole (2.2) direction between first through-hole (2.1) and second through-hole (2.2), be equipped with on case (3) push rod (5) that can promote case (3) and remove under the exogenic action, push rod (5) are located through-hole (2) to extend towards the opposite of case (3) pressurized surface, symmetrically be equipped with on second through-hole (2.2) and be used for push rod (5) direction and gliding afterbody (7), push rod (5) are located in portion (7) and slide, push rod (5) are equipped with limit step (4) that limit case (3) moved towards second through-hole (2.2) direction, be equipped with limit boss (8) and limit valve body (8), be equipped with one end (8) and limit valve body (1) are moved under the effect, limit case (8), are equipped with one end (8) and are moved under the effect, and are limited by limit groove (8, and are used for limiting valve body (1) The valve core (3) can slide in the first through flow hole (2.1) by one or more of ellipse or polygon, and the second through flow hole (2.2) is one or more of circle, ellipse or polygon.
2. The automatic pipe internal pressure flow stop device according to claim 1, wherein: a sealing device (6) is arranged between the valve core (3) and the first through flow hole (2.1), and the sealing device (6) is a sealing ring sleeved on the valve core (3) and moving along with the valve core (3) or a sealing sleeve embedded in the first through flow hole (2.1).
3. The automatic pipe internal pressure flow stop device according to claim 1, wherein: the inner wall of the first through-flow hole (2.1) is provided with a taper, and the inner diameter of the first through-flow hole (2.1) gradually becomes smaller from one side far away from the second through-flow hole (2.2) to one side close to the second through-flow hole (2.2).
4. The automatic pipe internal pressure flow stop device according to claim 1, wherein: the through-flow hole (2) is located on the central axis of the valve body (1), the valve body (1) is of a boss-shaped structure and comprises two sections of bosses with different external dimensions, and an external thread (9) is arranged on one section of boss with a larger dimension on the valve body (1).
5. The automatic pipe internal pressure flow stop device according to claim 1, wherein: the flow area of the first through-flow hole (2.1) is larger than that of the second through-flow hole (2.2), the first through-flow hole (2.1) is circular, the valve core (3) is a baffle plate capable of moving into the first through-flow hole (2.1), the baffle plate is circular, and the second through-flow hole (2.2) is hexagonal.
6. Use of an automatic flow stop device for internal pressure of a pipe according to claim 1, characterized in that: the valve is characterized in that one end, far away from the valve core (3), of the valve body (1) is further provided with a fixing table (10) used for being matched with and installed with a pipe fitting, the fixing table (10) and the valve body (1) are integrally designed, the fixing table (10) is one or more of a cylinder, a cone and a pyramid, threads or anti-falling protrusions are arranged on the outer surface of the fixing table (10), the valve body (1) with the fixing table (10) is used for an inner wall mosaic piece of the pipe fitting, and when the pipe fitting is manufactured, the pipe fitting is of an integral structure with the pipe fitting, and comprises an elbow pipe fitting, a tee pipe fitting and one of four-way pipe fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018355.8A CN108953700B (en) | 2018-09-03 | 2018-09-03 | Automatic flow stopping device for pipe internal pressure and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018355.8A CN108953700B (en) | 2018-09-03 | 2018-09-03 | Automatic flow stopping device for pipe internal pressure and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953700A CN108953700A (en) | 2018-12-07 |
| CN108953700B true CN108953700B (en) | 2024-05-17 |
Family
ID=64475573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811018355.8A Active CN108953700B (en) | 2018-09-03 | 2018-09-03 | Automatic flow stopping device for pipe internal pressure and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953700B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999334A (en) * | 2019-03-14 | 2019-07-12 | 广州市一森生物科技有限公司 | A kind of Medical check valve and its injecting method using negative pressure return |
| CN113464690A (en) * | 2021-05-31 | 2021-10-01 | 中铁建华南建设有限公司 | A switching structure and slip casting equipment for slip casting equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010004778A1 (en) * | 2010-01-14 | 2011-07-21 | MAHLE International GmbH, 70376 | Valve e.g. discharge valve for controlling oil flow through outlet opening of crank case ventilation system in motor vehicle, has valve plate arranged at guided housing by clip connection to control central passage of housing |
| CN202402718U (en) * | 2011-12-19 | 2012-08-29 | 杨玉宁 | Check valve for pipeline |
| CN202746680U (en) * | 2012-08-30 | 2013-02-20 | 台州阳春机电有限公司 | Stop valve of self-priming pump |
| CN208670168U (en) * | 2018-09-03 | 2019-03-29 | 黄艺强 | A kind of pipe internal pressure automatic flow-stop device |
-
2018
- 2018-09-03 CN CN201811018355.8A patent/CN108953700B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010004778A1 (en) * | 2010-01-14 | 2011-07-21 | MAHLE International GmbH, 70376 | Valve e.g. discharge valve for controlling oil flow through outlet opening of crank case ventilation system in motor vehicle, has valve plate arranged at guided housing by clip connection to control central passage of housing |
| CN202402718U (en) * | 2011-12-19 | 2012-08-29 | 杨玉宁 | Check valve for pipeline |
| CN202746680U (en) * | 2012-08-30 | 2013-02-20 | 台州阳春机电有限公司 | Stop valve of self-priming pump |
| CN208670168U (en) * | 2018-09-03 | 2019-03-29 | 黄艺强 | A kind of pipe internal pressure automatic flow-stop device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953700A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108953700B (en) | Automatic flow stopping device for pipe internal pressure and application thereof | |
| JP3178849U (en) | Quick installation structure of water supply equipment | |
| CN201007377Y (en) | Automatically water cut-off valve | |
| CN206309970U (en) | A kind of heating temperature-sensing valve | |
| CN208670168U (en) | A kind of pipe internal pressure automatic flow-stop device | |
| CN204784797U (en) | Add hot type valve | |
| CN204852483U (en) | Intelligence water conservation switch based on memory alloy | |
| US9273453B2 (en) | Drain clean-out assembly and method of using | |
| CN205760082U (en) | A kind of integrated type valve filter element | |
| CN208503642U (en) | A kind of drainpipe fixation kit for building | |
| CN207064920U (en) | A kind of Explosion proof joint of stainless steel flexible hose water inlet end | |
| CN219345529U (en) | Large-caliber center line butterfly valve with hollow valve plate | |
| CN213629089U (en) | Constant pressure water-saving valve | |
| CN220037475U (en) | Engine water drain valve | |
| US11906341B2 (en) | Meter box having adjustable length meter couplings | |
| CN210623684U (en) | Cold and hot water tap | |
| CN204530872U (en) | Window tap | |
| CN219796255U (en) | Rotary angle valve | |
| CN204327999U (en) | Movable joint angle valve | |
| CN210687169U (en) | Novel straight-through valve | |
| CN219975551U (en) | Anti-freezing faucet with riveting structure | |
| CN207848659U (en) | water pipe joint assembly | |
| CN219655490U (en) | Valve connecting piece | |
| CN219080521U (en) | Water inlet assembly of toilet | |
| CN210716445U (en) | Water pipe connector convenient to install |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |