CN218326405U - Emergency pressure relief device of pipe fitting pressure test equipment - Google Patents
Emergency pressure relief device of pipe fitting pressure test equipment Download PDFInfo
- Publication number
- CN218326405U CN218326405U CN202222643117.4U CN202222643117U CN218326405U CN 218326405 U CN218326405 U CN 218326405U CN 202222643117 U CN202222643117 U CN 202222643117U CN 218326405 U CN218326405 U CN 218326405U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure
- pressure relief
- wall
- movable block
- 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
Images
Abstract
The utility model discloses an emergency pressure relief device of pipe pressure test equipment, which comprises two plug devices fixed at two ends of a pipe to be tested and a tightening rope tied between the plug devices at two ends, wherein the tightening rope has no elasticity; the end cap device is connected with a cover cap, a pressure measuring pipe is arranged on the outer wall of the cover cap, a water pressure gauge is arranged at one end, away from the cover cap, of the pressure measuring pipe, a pressure relief pipe is arranged on the outer side of the cover cap, a pressure relief structure is matched through the pressure relief pipe, one end, away from the end cap device, of the cover cap is connected with a one-way valve, and one end, away from the cover cap, of the one-way valve is provided with a connecting pipe; this device can be increased to the passive pressure release when dangerous pressure at pipe fitting internal pressure, also can carry out quick pressure release through manual operation's mode, avoids appearing the phenomenon of tube explosion, lets the more safe controllable of pressure testing process.
Description
Technical Field
The utility model relates to an emergent pressure relief device of pipe fitting pressure testing equipment.
Background
The purpose of pipe fitting pressure testing is the water pressure resistant effect of detection pipe fitting, and the mode of its test is that carry out the shutoff to the both ends of pipe fitting, then carry water towards the pipe fitting in, establish water pressure in the pipe fitting, water pressure establishes to test water pressure to keep certain time, observe whether there is the infiltration scheduling problem in the pipe fitting.
In the conventional technology, a water pump is used as a water supply device, a hose is used for supplying water to a tested pipe fitting, plugging is carried out through plugging equipment, pressure relief is carried out after water pressure rises to dangerous water pressure, and a pressure relief valve is adopted for pressure relief.
But the pressure release flow of relief valve is limited, and when water supply equipment can't stop supplying water, the inflow is greater than the pressure release flow, leads to the pipe explosion, and unable timely pressure release when relief valve structure trouble also can lead to the phenomenon of pipe explosion.
Therefore, the emergency pressure relief device of the pipe pressure testing equipment is designed, wherein the two ends of the pipe can be plugged, and the pressure can be manually and quickly relieved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can realize the shutoff to the both ends of pipe fitting to the emergent pressure relief device of the pipe fitting pressure testing equipment that can manual quick pressure release.
In order to solve the above problem, the utility model adopts the following technical scheme:
an emergency pressure relief device of pipe pressure test equipment comprises two plug devices fixed at two ends of a pipe to be tested and a tightening rope bound between the plug devices at the two ends, wherein the tightening rope is inelastic; the utility model discloses a pressure-measuring pipe, including end cap device, pressure-measuring pipe, check valve, connecting pipe, end cap device, pressure-measuring pipe, the outside of shroud is provided with pressure-relief pipe, through pressure-relief pipe cooperation has pressure relief structure, the shroud is kept away from the one end of end cap device is connected with the check valve, the check valve is kept away from the one end of shroud is equipped with the connecting pipe, one side connecting pipe department detachable cooperation has the end cover, and the connecting pipe department detachable cooperation of opposite side has the hose.
Preferably, the plug device comprises a shell, a connecting hole is formed in the left side of the shell, the cover cap is in threaded connection with the connecting hole, a clamping groove is formed in the inner wall of the shell, a sealing gasket is clamped in the clamping groove, and the sealing gasket is provided with an annular groove for inserting a pipe fitting to be tested; the outer wall of the shell is annularly provided with a plurality of bolt holes, bolts are screwed into the bolt holes, and the tightening ropes are wound on the bolts.
Preferably, the inner wall of the sealing gasket is provided with a conical guide surface, and the guide surface is connected with the annular groove.
And the guide surface is adopted, so that the assembly with the tested pipe fitting is facilitated.
Preferably, the pressure relief structure includes an end socket disposed at a terminal end of the pressure relief pipe, the end socket has an inner pipe portion, the inner pipe portion is inserted into the pressure relief pipe, an axial through pressure relief hole is disposed at an axial center of the end socket, a recessed hole is disposed at an upper end of the inner pipe portion, an inner diameter of the recessed hole is larger than an inner diameter of the inner pipe portion, the pressure relief structure further includes a movable block disposed in the pressure relief pipe, a seal ring is clamped at an outer wall of the movable block, the seal ring contacts with an inner wall of the pressure relief pipe to form a seal therewith, a spring is positioned in the recessed hole, an insertion shaft is disposed at a lower end of the movable block, the insertion shaft is inserted into the spring, a plurality of drainage grooves are annularly disposed on the inner wall of the pressure relief pipe, when the movable block is located above the drainage grooves, the pressure relief groove is sealed, when the movable block is pushed to slide downward after water pressure is increased, the drainage grooves are exposed, and water is discharged from the pressure relief hole after passing through the drainage grooves; a positioning pin is inserted into the outer wall of the pressure relief pipe and penetrates through the inner pipe part, and a pull ring is arranged at one end of the positioning pin.
In a normal state, when the water pressure reaches the warning position, the spring is compressed, the movable block moves downwards, and water passes through the drainage groove and then is discharged through the pressure relief hole to complete pressure relief.
Too big when water supply equipment's filtration leads to pressure to increase fast, and the drainage efficiency during the pressure release is not enough to under the unable in time condition of closing of water supply equipment, through pulling out the locating pin, make the end by rush out under hydraulic effect, make the pressure release pipe unblocked completely, improve pressure release efficiency, avoid appearing the booster phenomenon.
Preferably, the cap has a cannula portion inserted into the seal and interference fitted with the seal.
Among the above-mentioned technical scheme, the intubate part is inserted to sealed the pad in to the cooperation mode is interference fit, and first is to sealed pad play an effect that expands outward, lets sealed pad more firm in the draw-in groove.
And secondly, water enters the pipe inserting part, and after the water enters the pipe inserting part, the water is directly conveyed to the tested pipe fitting through the sealing gasket, so that the water seepage probability of the contact position of the cover cap and the shell is reduced.
The test method is as follows:
firstly, install the end cap device in the both ends of being tested the pipe fitting, then will tighten the rope winding, the rope of tightening after the winding completion forms the protection in the outside of pipe fitting to form spacingly to the end cap device at both ends, when the water pressure in the pipe fitting increases, can avoid the end cap device to be washed out under hydraulic effect, secondly when the pipe fitting takes place to burst, can avoid bold pipe fitting piece to splash.
After the plug device is installed, the connecting pipe on one side is sealed through the end cover, the hose is in butt joint with water supply equipment, water is input into the pipe fitting through the hose after being pressurized, the reading of the water pressure meter is observed, water supply is stopped after the water pressure is tested, a certain time is kept, the state of the pipe fitting is observed, and the pipe fitting passes the test when the pipe fitting is not damaged or leaks.
The purpose of adjusting the pressure relief pressure value is achieved by adjusting the wire diameter and the length of the spring.
The beneficial effects of the utility model are that: this device can be increased to the passive pressure release when dangerous pressure at pipe fitting internal pressure, also can carry out quick pressure release through manual operation's mode, avoids appearing the phenomenon of bursting, lets more safe controllable of pressure testing process, is fit for using widely.
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 schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the plug device;
FIG. 3 is a partial cross-sectional view at A;
figure 4 is a cross-sectional view of the plug device.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, 2, 3 and 4, the emergency pressure relief device of a pipe pressure test device comprises two plug devices 1 fixed at two ends of a pipe to be tested, and a tightening rope 2 tied between the plug devices 1 at the two ends, wherein the tightening rope 2 has no elasticity; the plug device 1 is connected with a cover cap 3, the outer wall of the cover cap 3 is provided with a pressure measuring tube 31, one end of the pressure measuring tube 31, which is far away from the cover cap 3, is provided with a water pressure gauge 32, the outer side of the cover cap 3 is provided with a pressure relief tube 33, a pressure relief structure 4 is matched with the pressure relief tube 33, the end of the cover cap 3, which is far away from the plug device 1, is connected with a one-way valve 344, the end of the one-way valve 344, which is far away from the cover cap 3, is provided with a connecting tube 35, one side the detachable matching of the connecting tube 35 is provided with an end cover 311, and the detachable matching of the connecting tube 35 on the other side is provided with a hose 312.
In a preferred embodiment of the present invention, the plug device 1 includes a housing 11, a connecting hole 12 is disposed on the left side of the housing 11, the cover 3 is in threaded connection with the connecting hole 12, a clamping groove 13 is disposed on the inner wall of the housing 11, a sealing gasket 14 is clamped in the clamping groove 13, and the sealing gasket 14 has an annular groove 15 for inserting a pipe to be tested; a plurality of bolt holes 16 are annularly formed in the outer wall of the housing 11, bolts 17 are screwed into the bolt holes 16, and the binding rope 2 is wound around the bolts 17.
In a preferred embodiment of the present invention, the inner wall of the sealing pad 14 has a tapered guiding surface 144, and the guiding surface 144 is connected to the annular groove 15.
And the guide surface is adopted, so that the assembly with the tested pipe fitting is facilitated.
In a preferred embodiment of the present invention, the pressure relief structure 4 includes an end 41 disposed at the end of the pressure relief pipe 33, the end 41 has an inner pipe portion 42, the inner pipe portion 42 is inserted into the pressure relief pipe 33, an axial center of the end 41 is provided with a pressure relief hole 43 penetrating axially, an upper end of the inner pipe portion 42 is provided with a concave hole 44, an inner diameter of the concave hole 44 is larger than an inner diameter of the inner pipe portion 42, the pressure relief structure 4 further includes a movable block 45 disposed in the pressure relief pipe 33, an outer wall of the movable block 45 is provided with a sealing ring 46, the sealing ring 46 contacts the inner wall of the pressure relief pipe 33 and forms a seal therewith, a spring 47 is positioned in the concave hole 44, a lower end of the movable block 45 is provided with an insertion shaft 48, the insertion shaft 48 is inserted into the spring 47, a plurality of annular grooves 333 are disposed on the inner wall of the pressure relief pipe 33, when the movable block 45 is located above the water drainage groove 333, the pressure relief pipe 33 is closed, after the movable block 45 pushes the movable block 45 to slide downwards, the drainage groove 333 is exposed from the drainage hole 333; a positioning pin 49 is inserted into the outer wall of the pressure release pipe 33, the positioning pin 49 passes through the inner pipe portion 42, and an end of the positioning pin 49 is provided with a pull ring 491.
In a normal state, when the water pressure reaches the warning position, the spring is compressed, the movable block moves downwards, and water passes through the water drainage groove and then is discharged through the pressure relief hole to complete pressure relief.
Too big when water supply equipment's filtration, lead to pressure to increase fast, and drainage efficiency during the pressure release is not enough to under the unable circumstances in time of closing of water supply equipment, through pulling out the locating pin, make the end by the rush-out under hydraulic effect, make the pressure release pipe can be unblocked completely, improve pressure release efficiency, avoid appearing the tube explosion phenomenon.
In a preferred embodiment of the present invention, the cover 3 has an insertion tube portion 388, and the insertion tube portion 388 is inserted into the sealing pad 14 and is in interference fit with the sealing pad 14.
Among the above-mentioned technical scheme, the intubate part is inserted to sealed in filling up to the cooperation mode is interference fit, and first is to sealed the effect that expands outward that plays one, lets sealed the pad more firm in the draw-in groove.
And secondly, water is fed through the pipe inserting part, and after the water is fed into the pipe inserting part, the water is directly conveyed to a tested pipe fitting through the sealing gasket, so that the water seepage probability of the contact position of the cover cap and the shell is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an emergent pressure relief device of pipe fitting pressure testing equipment which characterized in that: the device comprises two plug devices fixed at two ends of a pipe fitting to be tested and a tightening rope bound between the plug devices at the two ends, wherein the tightening rope is inelastic; the end cap device is connected with the shroud, the outer wall department of shroud is provided with the pressure-measuring pipe, that one end that the shroud was kept away from to the pressure-measuring pipe is provided with the water pressure gauge, the outside of shroud is provided with the pressure release pipe, through the pressure release pipe cooperation has pressure relief structure, the shroud is kept away from that one end of end cap device is connected with the check valve, the check valve is kept away from that one end of shroud is equipped with the connecting pipe.
2. The emergency pressure relief device of a pipe pressure testing apparatus according to claim 1, wherein: the plug device comprises a shell, a connecting hole is formed in the left side of the shell, the cover cap is in threaded connection with the connecting hole, a clamping groove is formed in the inner wall of the shell, a sealing gasket is clamped in the clamping groove, and the sealing gasket is provided with an annular groove for inserting a pipe fitting to be tested; the outer wall of the shell is annularly provided with a plurality of bolt holes, bolts are screwed into the bolt holes, and the tightening ropes are wound on the bolts.
3. The emergency pressure relief device of a pipe pressure testing apparatus according to claim 2, wherein: the inner wall of the sealing gasket is provided with a conical guide surface, and the guide surface is connected with the annular groove.
4. The emergency pressure relief device of a pipe pressure testing apparatus according to claim 1, wherein: the pressure relief structure comprises an end head arranged at the tail end of the pressure relief pipe, wherein the end head is provided with an inner pipe part, the inner pipe part is inserted into the pressure relief pipe, an axially-penetrating pressure relief hole is formed in the axis of the end head, a concave hole is formed in the upper end of the inner pipe part, the inner diameter of the concave hole is larger than that of the inner pipe part, a movable block arranged in the pressure relief pipe is clamped at the outer wall of the movable block, a sealing ring is clamped on the outer wall of the movable block and is in contact with the inner wall of the pressure relief pipe to form sealing, a spring is positioned in the concave hole, an insertion shaft is arranged at the lower end of the movable block and is inserted into the spring, a plurality of drainage grooves are annularly arranged on the inner wall of the pressure relief pipe, when the movable block is positioned above the drainage grooves, the pressure relief pipe is sealed, when the movable block is pushed to move downwards after water pressure is increased, the drainage grooves are exposed, and water is discharged from the pressure relief hole after passing through the drainage grooves; a positioning pin is inserted into the outer wall of the pressure relief pipe and penetrates through the inner pipe part, and a pull ring is arranged at one end of the positioning pin.
5. The emergency pressure relief device of a pipe pressure testing apparatus according to claim 2, wherein: the cover has a cannula portion that is inserted into the gasket and is in interference fit with the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643117.4U CN218326405U (en) | 2022-10-09 | 2022-10-09 | Emergency pressure relief device of pipe fitting pressure test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643117.4U CN218326405U (en) | 2022-10-09 | 2022-10-09 | Emergency pressure relief device of pipe fitting pressure test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218326405U true CN218326405U (en) | 2023-01-17 |
Family
ID=84824157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222643117.4U Active CN218326405U (en) | 2022-10-09 | 2022-10-09 | Emergency pressure relief device of pipe fitting pressure test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218326405U (en) |
-
2022
- 2022-10-09 CN CN202222643117.4U patent/CN218326405U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218326405U (en) | Emergency pressure relief device of pipe fitting pressure test equipment | |
| CN109283063A (en) | A kind of packer Withstand test device | |
| CN102980718B (en) | On-line pressure detecting method and device thereof | |
| CN108871700B (en) | Ship stern shaft seal inspection device | |
| CN202661238U (en) | Positioning fixture device for single tube hydrostatic test | |
| CN212391427U (en) | Real-time pressing device of pipeline magnetic flux leakage detector | |
| CN219327892U (en) | Internal expansion type plugging head | |
| CN202974549U (en) | Online pressure detection device | |
| CN207832579U (en) | A kind of sebific duct manufacture pressurize testing improvement structure | |
| CN203188963U (en) | In-pipe packer for oil drivepipe leakproofness detection | |
| CN210291075U (en) | Safe convenient GIS equipment inflation connecting device | |
| CN209745550U (en) | Two-way pressure test device of back pressure valve | |
| CN218883357U (en) | Pipe fitting pressure testing shutoff pressure release equipment | |
| CN210264613U (en) | High-pressure sealing device for cable passing through wellhead | |
| CN215722607U (en) | Safe quick-operation joint | |
| CN111271533A (en) | Quick pressure-resistant sealing device for pagoda type water joint | |
| CN211527736U (en) | Anti-bouncing device for oil pipe air-tight seal detection | |
| CN217765799U (en) | Hydraulic test fixture | |
| CN219405054U (en) | Pressurizing device of adhesive tape vulcanizing machine | |
| CN215508358U (en) | Plain noodles steel wire drawing equipment | |
| CN211696804U (en) | Sealing tool for pressure test | |
| CN216242853U (en) | Water hose interface assembly | |
| CN219558592U (en) | Fire pump adapter | |
| CN217051637U (en) | Quick oil filling device for towed line array sonar | |
| CN215178413U (en) | Leakproofness verifying attachment of RIC dactylotheca pipe seal section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |