CN112944096A - Pipeline end socket device for energy-saving and environment-friendly equipment - Google Patents

Pipeline end socket device for energy-saving and environment-friendly equipment Download PDF

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Publication number
CN112944096A
CN112944096A CN202110160204.1A CN202110160204A CN112944096A CN 112944096 A CN112944096 A CN 112944096A CN 202110160204 A CN202110160204 A CN 202110160204A CN 112944096 A CN112944096 A CN 112944096A
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CN
China
Prior art keywords
plate
block
pipeline
environment
energy
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.)
Pending
Application number
CN202110160204.1A
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Chinese (zh)
Inventor
陈琼
Original Assignee
陈琼
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 陈琼 filed Critical 陈琼
Priority to CN202110160204.1A priority Critical patent/CN112944096A/en
Publication of CN112944096A publication Critical patent/CN112944096A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10Means for stopping flow from or in pipes or hoses
    • F16L55/11Plugs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10Means for stopping flow from or in pipes or hoses
    • F16L55/11Plugs
    • F16L55/1141Plugs the plug being made of elastic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10Means for stopping flow from or in pipes or hoses
    • F16L55/115Caps

Abstract

The invention discloses a pipeline end enclosure device for energy-saving and environment-friendly equipment, which structurally comprises a handle, an end enclosure structure and a connecting ring, wherein the handle is embedded and fixed at the left side of the end enclosure structure, the inner side surface of the connecting ring is arranged at the outer side of the end enclosure structure, water flow enters a circulating groove from a movable mechanism and extrudes a spring, so that the pressure of a pressing plate on a laminating mechanism is enhanced, meanwhile, a friction strip is attached to the inner wall of a pipeline and extrudes a supporting block at the right side of a stress plate, so that the stress is uniform under the support of a ball body inside a wrapping plate, the friction strip at the outer side of the friction mechanism is prevented from being deviated, the problem of nonuniform lamination on the inner wall of the pipeline is avoided, when the water flow impacts on the surface of a blocking mechanism, a flow distribution plate is enabled to extrude a cylinder under the blocking of a compression hole, the impact on the laminating mechanism, the pressure of the water flow is converted into the attaching force to the pipeline, and the attaching mechanism is prevented from being easily detached from the interior of the pipeline.

Description

Pipeline end socket device for energy-saving and environment-friendly equipment
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a pipeline end socket device for energy-saving and environment-friendly equipment.
Background
The pipeline head's effect is the temporary pipeline of sealing, blocks up the foaming material inside the pipeline, overlaps the head body in the one end of waiting to fill foaming material's insulating tube, then fills the operation again, and the bleeder vent can carry out exhaust work, and the convenience is because the higher inside inflation of insulating tube that makes of foaming material temperature in the operation of filling, and the bleeder vent can exhaust again some foaming material.
But when the pipeline is inside for liquid, need carry out the shutoff to the bleeder vent, avoid liquid to flow, when adopting the rubber head to carry out the pipeline shutoff, the inside fluid pressure of pipeline can make the rubber head produce deformation, and the laminating power of rubber head and pipeline inner wall can be disturbed in deformation, and the frictional resistance that makes head and pipeline inner wall form can lose balance, causes the skew of rubber head, makes the rubber head break away from the pipeline when pressure grow.
Summary of the invention
The invention is realized by the following technical scheme: the utility model provides a pipeline head device for energy-concerving and environment-protective equipment, its structure includes handle, capping structure, go-between, the handle is inlayed admittedly in the capping structure left side, the inside side-mounting of go-between is in the capping structure outside, capping structure is equipped with flow distribution block, circulation groove, blocks piece, pressure mechanism, fixed slot, the circulation groove is located the flow distribution block outside, block that the piece inlays admittedly in the pressure mechanism left and right sides, the fixed slot laminating is in the pressure mechanism outside, flow distribution block and pressure mechanism are located same center axis, install in the fixed slot outside the go-between inboard, flow distribution block is trapezoidal cylinder shape, it is equipped with five to block the piece, and its inboard is the arc structure.
The invention further improves the structure, the pressure mechanism is provided with a movable mechanism, a spring, a laminating mechanism, a pressing plate and a filling groove, the inner side of the movable mechanism is in clearance fit with the outer side of the spring, the lower end of the movable mechanism is laminated on the inner side of the upper end of the pressing plate, the laminating mechanism is embedded and fixed on the outer side of the pressing plate, the filling groove is arranged on the inner side of the right end of the pressing plate, the lower end of the spring is clamped and fixed in the pressing plate, the stop blocks are embedded and fixed on the left side and the right side of the spring, the filling groove is of a structure with a smaller left side, and the pressing plate is made of rubber.
As a further improvement of the invention, the attaching mechanism is provided with a friction mechanism, a wrapping plate, a ball body and a fixed block, the friction mechanism is arranged on the left side of the wrapping plate, the ball body is clamped inside the wrapping plate, the fixed block is attached to the right side of the wrapping plate, the fixed block is embedded outside the pressing plate, the ball body is in a fixed state, and the wrapping plate is in a continuously bent arc-shaped structure.
As a further improvement of the invention, the friction mechanism is provided with a supporting block, a stress plate and a friction strip, the supporting block is attached to the right side of the stress plate, the friction strip is embedded and fixed on the left side of the stress plate, the supporting block is arranged on the left side of the wrapping plate, and the friction strip is of an arc-shaped structure and has the characteristic of large friction force.
As a further improvement of the invention, the movable mechanism is provided with a blocking mechanism, a bending plate and a deformation plate, the blocking mechanism is attached to the upper end of the bending plate, the deformation plate is embedded and fixed on the inner side of the lower end of the bending plate, the lower end of the bending plate is attached to the inner side of the upper end of the pressing plate, the deformation plate is of a telescopic structure, and the blocking mechanism is of a semicircular structure.
As a further improvement of the invention, the blocking mechanism is provided with a compression structure, a flow distribution plate, a reset plate and a cylinder, wherein the compression structure is embedded and fixed on the surface of the flow distribution plate, the reset plate is clamped and fixed on the left side and the right side of the cylinder, the cylinder is in clearance fit with the inner side of the flow distribution plate, the lower end of the flow distribution plate is attached to the upper end of the bending plate, the lower end of the reset plate is embedded and fixed in the bending plate, and the reset plate is made of aluminum alloy and has the characteristic of strong toughness.
As a further improvement of the invention, the compression structure is provided with a resistance plate, compression holes and circulation grooves, the compression holes penetrate through the resistance plate, the circulation grooves are positioned at two sides of the resistance plate, the resistance plate is embedded and fixed on the surface of the flow distribution plate, and the compression holes are in an hourglass shape with a small middle and large two ends.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. rivers move towards the runner direction in the flow distribution block, thereby rivers carry out the dispersion motion through blockking the piece, rivers are the even atress in the pressure mechanism then, rivers get into the runner from the moving mechanism, extrude the spring, thereby strengthen the pressure of pressing plate to laminating mechanism, the friction strip laminating is on the pipeline inner wall simultaneously, the supporting shoe extrusion to the atress board right side, thereby the atress is even under the inside spheroidal support of parcel board, prevent that the friction strip in the friction mechanism outside from producing the skew, avoid the uneven problem of laminating to the pipeline inner wall.
2. Rivers block when block mechanism surface impact, the compression structure on flow distribution plate surface blocks, extrude the resistance board in the follow runner groove, under the blocking of compression hole, reinforcing water is to compression structure's extrusion force, avoid water to directly flow through from flow distribution plate surface, make the flow distribution plate extrude the cylinder, make the flow distribution plate can reset through the bending force of reset plate, strengthen simultaneously and strike the laminating mechanism in the pressing plate outside, fill at the filling tank and block down, strengthen the laminating power of laminating mechanism to the pipeline, make the pressure transition of rivers become the laminating power to the pipeline, avoid laminating mechanism and pipeline inside to break away from the laminating easily.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline end socket device for energy-saving and environment-friendly equipment.
Fig. 2 is a schematic side view of a head structure according to the present invention.
Fig. 3 is a schematic side view of a press mechanism according to the present invention.
Fig. 4 is a schematic side view of a bonding mechanism according to the present invention.
Fig. 5 is a schematic perspective view of a friction mechanism according to the present invention.
Fig. 6 is a schematic perspective view of a movable mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a blocking mechanism according to the present invention.
FIG. 8 is a schematic view of a partial h-enlargement structure of a compression structure according to the present invention.
In the figure: the device comprises a handle-1, a head sealing structure-2, a connecting ring-3, a flow splitting block-21, a flow groove-22, a blocking block-23, a pressure mechanism-24, a fixing groove-25, a movable mechanism-24 a, a spring-24 b, a fitting mechanism-24 c, a pressing plate-24 d, a filling groove-24 e, a friction mechanism-c 1, a wrapping plate-c 2, a sphere-c 3, a fixing block-c 4, a supporting block-c 11, a stress plate-c 12, a friction strip-c 13, a blocking mechanism-a 1, a bending plate-a 2, a deformation plate-a 3, a compression structure-a 11, a flow splitting plate-a 12, a reset plate-a 13, a cylinder-a 14, a resistance plate-w 1, a compression hole-w 2 and a flow groove-w 3.
Detailed Description
The technology of the present invention is further described with reference to the accompanying drawings:
example 1:
as shown in fig. 1-5:
the invention relates to a pipeline end enclosure device for energy-saving and environment-friendly equipment, which structurally comprises a handle 1, an end enclosure structure 2 and a connecting ring 3, wherein the handle 1 is fixedly embedded at the left side of the end enclosure structure 2, the inner side surface of the connecting ring 3 is arranged at the outer side of the end enclosure structure 2, the end enclosure structure 2 is provided with a shunting block 21, a circulating groove 22, a blocking block 23, a pressure mechanism 24 and a fixing groove 25, the circulating groove 22 is positioned at the outer side of the shunting block 21, the blocking block 23 is fixedly embedded at the left side and the right side of the pressure mechanism 24, the fixing groove 25 is attached at the outer side of the pressure mechanism 24, the shunting block 21 and the pressure mechanism 24 are positioned on the same central axis, the inner side of the connecting ring 3 is arranged at the outer side of the fixing groove 25, the shunting block 21 is in a trapezoidal cylindrical shape, the blocking block 23 is provided with five blocks, the problem of uneven impact force of water is avoided.
The pressure mechanism 24 is provided with a movable mechanism 24a, a spring 24b, an attaching mechanism 24c, a pressing plate 24d and a filling groove 24e, the inner side of the movable mechanism 24a is in clearance fit with the outer side of the spring 24b, the lower end of the movable mechanism 24a is attached to the inner side of the upper end of the pressing plate 24d, the attaching mechanism 24c is embedded and fixed to the outer side of the pressing plate 24d, the filling groove 24e is installed on the inner side of the right end of the pressing plate 24d, the lower end of the spring 24b is clamped and fixed inside the pressing plate 24d, the blocking blocks 23 are embedded and fixed on the left side and the right side of the spring 24b, the filling groove 24e is of a structure with a small left side, and the pressing plate 24d is made of rubber, so that the filling groove 24e is filled, and the pressure of the pressing plate 24d on the attaching mechanism 24.
The attaching mechanism 24c is provided with a friction mechanism c1, a wrapping plate c2, a ball c3 and a fixing block c4, the friction mechanism c1 is installed on the left side of the wrapping plate c2, the ball c3 is clamped inside the wrapping plate c2, the fixing block c4 is attached to the right side of the wrapping plate c2, the fixing block c4 is fixedly embedded on the outer side of the pressing plate 24d, the ball c3 is in a fixed state, and the wrapping plate c2 is in a continuously bent arc-shaped structure, so that the acting force of the friction mechanism c1 on the wrapping plate c2 is more stable, and the friction mechanism c1 is prevented from shifting due to the blocking of the ball c 3.
The friction mechanism c1 is provided with a supporting block c11, a stress plate c12 and a friction strip c13, the supporting block c11 is attached to the right side of the stress plate c12, the friction strip c13 is embedded in the left side of the stress plate c12, the supporting block c11 is mounted on the left side of the wrapping plate c2, the friction strip c13 is of an arc-shaped structure and has the characteristic of large friction force, so that the friction strip c13 is attached to the inner wall of the pipeline and extrudes the supporting block c11 on the right side of the stress plate c12, and the stress is uniform under the support of a sphere c3 inside the wrapping plate c 2.
The embodiment has the following specific use modes and functions:
in the invention, the fixing groove 25 in the end enclosure structure 2 is used for placing a pipeline, so that the attaching mechanism 24c at the outer side of the pressure mechanism 24 is attached to the inner wall of the pipeline, meanwhile, the connecting ring 3 is attached to the outer wall of the pipeline, so that the attaching effect on the pipeline is enhanced, the filling groove 24e is filled, water flow moves towards the circulating groove 22 in the flow dividing block 21, so that the water flow is dispersedly moved by the stop block 23, and then the water flow is uniformly stressed in the pressure mechanism 24, and the water flow enters the circulation groove 22 from the movable mechanism 24a, the spring 24b is pressed, so that the pressure of the pressing plate 24d against the attaching mechanism 24c is strengthened, and the rubbing strip c13 is attached to the inner wall of the pipe, the supporting block c11 on the right side of the stress plate c12 is extruded, so that the stress is uniform under the support of the sphere c3 in the wrapping plate c2, the friction strip c13 on the outer side of the friction mechanism c1 is prevented from deviating, and the problem of nonuniform attachment to the inner wall of the pipeline is avoided.
Example 2:
as shown in fig. 6-8:
wherein, the activity mechanism 24a is equipped with arrestment mechanism a1, crooked board a2, deformation board a3, arrestment mechanism a1 laminating is in crooked board a2 upper end, deformation board a3 inlays to be fixed at crooked board a2 lower extreme inboard, the laminating of crooked board a2 lower extreme is inboard in pressing the upper end of board 24d, deformation board a3 is extending structure, arrestment mechanism a1 is semi-circular structure, and water flows to the right side from arrestment mechanism a1 left side, extrudees crooked board a2, with spring 24b atress block when avoiding crooked board a2 compression deformation.
The blocking mechanism a1 is provided with a compression structure a11, a shunt plate a12, a reset plate a13 and a cylinder a14, the compression structure a11 is embedded in the surface of the shunt plate a12, the reset plate a13 is clamped on the left and right sides of the cylinder a14, the cylinder a14 is in clearance fit with the inner side of the shunt plate a12, the lower end of the shunt plate a12 is attached to the upper end of the curved plate a2, the lower end of the reset plate a13 is embedded in the curved plate a2, the reset plate a13 is made of an aluminum alloy material and has a strong toughness property, so that the compression structure a11 in the shunt plate a12 is subjected to impact by force, the inner side of the shunt plate a 6368628 is attached to the cylinder a14 for extrusion, the cylinder a14 is compressed to the curved plate a2 through the reset plate a13, and meanwhile, the impact force of water in the shunt plate a12 is.
The compression structure a11 is provided with a resistance plate w1, a compression hole w2 and a flow groove w3, the compression hole w2 penetrates through the resistance plate w1, the flow groove w3 is positioned on two sides of the resistance plate w1, the resistance plate w1 is embedded on the surface of the flow distribution plate a12, the compression hole w2 is in an hourglass shape with a small middle and large two ends, so that the water stays in the flow groove w3 to press the resistance plate w1 when the water flow impacts, the blocking of the compression hole w2 enhances the pressing force of the water on the compression structure a11, and the water is prevented from directly flowing through the surface of the flow distribution plate a 12.
The embodiment has the following specific use modes and functions:
in the present invention, the water flow enters from the flow channel 22, impacts the movable mechanism 24a, presses the stopper mechanism a1 on the surface of the curved plate a2, so that the deformation plate a3 compresses the spring 24b, and when the water flow impacts on the surface of the blocking mechanism a1, the compression structure a11 on the surface of the shunt plate a12 blocks, the resistance plate w1 is pressed from the flow groove w3, under the blocking of the compression holes w2, the pressing force of water to the compression structure a11 is enhanced, the water is prevented from flowing directly from the surface of the flow distribution plate a12, so that the flow distribution plate a12 presses the cylinder a14, the branch flow plate a12 can be reset by the bending force of the reset plate a13, and simultaneously the impact to the attaching mechanism 24c outside the pressing plate 24d is strengthened, under filling groove 24e and filling and stopping, the laminating force of laminating mechanism 24c to the pipeline is strengthened, the pressure of rivers changes the laminating force to the pipeline, avoids laminating mechanism 24c and inside the pipeline to break away from the laminating easily.
The technical scheme of the invention is utilized, or a similar technical scheme is designed by a person skilled in the art based on the inspiration of the technical scheme of the invention, so that the technical effects are achieved, and the technical scheme and the method fall into the protection scope of the invention.

Claims (7)

1. The utility model provides a pipeline capping device for energy-concerving and environment-protective equipment, its structure includes handle (1), capping structure (2), go-between (3), handle (1) inlays admittedly in capping structure (2) left side, the inside side-mounting in capping structure (2) outside of go-between (3), its characterized in that:
head structure (2) are equipped with reposition of redundant personnel piece (21), circulation groove (22), block piece (23), pressure mechanism (24), fixed slot (25), circulation groove (22) are located reposition of redundant personnel piece (21) outside, block piece (23) and inlay solid in pressure mechanism (24) left and right sides, fixed slot (25) laminating is in pressure mechanism (24) outside, reposition of redundant personnel piece (21) are located same center axis with pressure mechanism (24), install in fixed slot (25) outside go-between (3) inboard.
2. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 1, wherein: the pressure mechanism (24) is provided with a movable mechanism (24a), a spring (24b), a fitting mechanism (24c), a pressing plate (24d) and a filling groove (24e), the inner side of the movable mechanism (24a) is in clearance fit with the outer side of the spring (24b), the lower end of the movable mechanism (24a) is fitted on the inner side of the upper end of the pressing plate (24d), the fitting mechanism (24c) is fixedly embedded on the outer side of the pressing plate (24d), the filling groove (24e) is installed on the inner side of the right end of the pressing plate (24d), the lower end of the spring (24b) is clamped inside the pressing plate (24d), and the blocking block (23) is fixedly embedded on the left side and the right side of the spring (24 b).
3. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 2, wherein: laminating mechanism (24c) are equipped with friction mechanism (c1), parcel board (c2), spheroid (c3), fixed block (c4), friction mechanism (c1) are installed in parcel board (c2) left side, spheroid (c3) block is inside parcel board (c2), fixed block (c4) laminating is on parcel board (c2) right side, fixed block (c4) are inlayed and are fixed in pressing the pressure board (24d) outside.
4. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 3, wherein: the friction mechanism (c1) is provided with a supporting block (c11), a stress plate (c12) and a friction strip (c13), the supporting block (c11) is attached to the right side of the stress plate (c12), the friction strip (c13) is embedded and fixed on the left side of the stress plate (c12), and the supporting block (c11) is installed on the left side of the wrapping plate (c 2).
5. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 2, wherein: the movable mechanism (24a) is provided with a blocking mechanism (a1), a bent plate (a2) and a deformation plate (a3), the blocking mechanism (a1) is attached to the upper end of the bent plate (a2), the deformation plate (a3) is embedded and fixed on the inner side of the lower end of the bent plate (a2), and the lower end of the bent plate (a2) is attached to the inner side of the upper end of the pressing plate (24 d).
6. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 5, wherein: the blocking mechanism (a1) is equipped with compression structure (a11), flow distribution plate (a12), resets board (a13), cylinder (a14), compression structure (a11) inlays admittedly on flow distribution plate (a12) surface, reset board (a13) block is in cylinder (a14) left and right sides, cylinder (a14) and flow distribution plate (a12) inboard clearance fit, flow distribution plate (a12) lower extreme laminating is in crooked board (a2) upper end.
7. The pipe end socket device for the energy-saving and environment-friendly equipment as claimed in claim 6, wherein: the compression structure (a11) is provided with a resistance plate (w1), a compression hole (w2) and a flow groove (w3), wherein the compression hole (w2) penetrates through the inside of the resistance plate (w1), the flow groove (w3) is positioned on two sides of the resistance plate (w1), and the resistance plate (w1) is embedded and fixed on the surface of the flow distribution plate (a 12).
CN202110160204.1A 2021-02-05 2021-02-05 Pipeline end socket device for energy-saving and environment-friendly equipment Pending CN112944096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110160204.1A CN112944096A (en) 2021-02-05 2021-02-05 Pipeline end socket device for energy-saving and environment-friendly equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110160204.1A CN112944096A (en) 2021-02-05 2021-02-05 Pipeline end socket device for energy-saving and environment-friendly equipment

Publications (1)

Publication Number Publication Date
CN112944096A true CN112944096A (en) 2021-06-11

Family

ID=76242549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110160204.1A Pending CN112944096A (en) 2021-02-05 2021-02-05 Pipeline end socket device for energy-saving and environment-friendly equipment

Country Status (1)

Country Link
CN (1) CN112944096A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200376304Y1 (en) * 2004-11-10 2005-03-11 김학선 Pipe closing device for pipe laying
CN104390091A (en) * 2014-10-10 2015-03-04 蔡多谋 Self-sealing and self-locking water pressure expansion plug
CN107110188A (en) * 2014-12-16 2017-08-29 20艾玛20公司 The sealing-plug in the hole in closure wall etc.
CN110307436A (en) * 2019-07-11 2019-10-08 周纯 A kind of PVC pipeline tail portion end-sealing device
CN210484981U (en) * 2019-06-24 2020-05-08 泉州市燃气有限公司 Emergency plugging device with protection and fixing functions for natural gas pipeline
CN210950412U (en) * 2019-12-10 2020-07-07 李爱平 Anti-leakage safety plugging device for pressure fluid pipeline

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200376304Y1 (en) * 2004-11-10 2005-03-11 김학선 Pipe closing device for pipe laying
CN104390091A (en) * 2014-10-10 2015-03-04 蔡多谋 Self-sealing and self-locking water pressure expansion plug
CN107110188A (en) * 2014-12-16 2017-08-29 20艾玛20公司 The sealing-plug in the hole in closure wall etc.
CN210484981U (en) * 2019-06-24 2020-05-08 泉州市燃气有限公司 Emergency plugging device with protection and fixing functions for natural gas pipeline
CN110307436A (en) * 2019-07-11 2019-10-08 周纯 A kind of PVC pipeline tail portion end-sealing device
CN210950412U (en) * 2019-12-10 2020-07-07 李爱平 Anti-leakage safety plugging device for pressure fluid pipeline

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