CN202301927U - Plug - Google Patents

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Publication number
CN202301927U
CN202301927U CN201120322185XU CN201120322185U CN202301927U CN 202301927 U CN202301927 U CN 202301927U CN 201120322185X U CN201120322185X U CN 201120322185XU CN 201120322185 U CN201120322185 U CN 201120322185U CN 202301927 U CN202301927 U CN 202301927U
Authority
CN
China
Prior art keywords
plug
hole
threaded mandrel
software
pipeline
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
Application number
CN201120322185XU
Other languages
Chinese (zh)
Inventor
徐天亮
尹志忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Meishan Iron and Steel Co Ltd
Nanjing Meishan Metallurgy Development Co Ltd
Shanghai Meishan Baosteel Group Co Ltd
Original Assignee
Shanghai Meishan Iron and Steel Co Ltd
Nanjing Meishan Metallurgy Development Co Ltd
Shanghai Meishan Baosteel Group Co Ltd
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 Shanghai Meishan Iron and Steel Co Ltd, Nanjing Meishan Metallurgy Development Co Ltd, Shanghai Meishan Baosteel Group Co Ltd filed Critical Shanghai Meishan Iron and Steel Co Ltd
Priority to CN201120322185XU priority Critical patent/CN202301927U/en
Application granted granted Critical
Publication of CN202301927U publication Critical patent/CN202301927U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a plug. The plug comprises a threaded mandrel, a taper shaft with an internal thread and a soft body expansion material, wherein the threaded mandrel is in threaded connection with the taper shaft; a through hole is formed at the center of the soft body expansion material; the threaded mandrel penetrates through the through hole at the center of the soft body expansion material; an inner tape hole matched with the taper shaft is formed in one end of the soft body expansion material; and the taper of the inner taper hole is smaller than the inner taper of the taper shaft. The plug disclosed by the utility model has the advantages of wide application range, safety for use and favorable sealing performance and can be mounted at any position of a pipeline; and the conditions that the plug suddenly falls off and slides off the deep part of the pipeline and cannot be taken out can be avoided.

Description

A kind of plug
Technical field
The utility model relate to a kind of when preventing pipeline cutting, polishing magazine such as abrasive particle pollute the instrument of pipeline, relate in particular to a kind of plug.
Background technique
The rate of fault majority of hydraulic pressure, lubrication system be since oil cleanliness undesirable due to; When system maintenances such as pipeline cutting, polishing, repair welding, replacing sealing; If fail abrasive dust, metal chip that operation produces are in time handled totally,, directly have influence on the Security of system with the secondary pollution that causes system; The quality of pipeline construction, efficient are difficult to be guaranteed, so need when construction, stop up pipeline.
Traditional obstruction has the edge of a knife of use cloth to stop up; But dried cloth catches fire easily, be stained with water unavoidably when stopping up extruding water can flow in the pipeline, mostly existing edge of a knife cloth is the leftover pieces that roll off the production line in the clothing factory; It is many that the inside is mingled with foreign material, directly can bring foreign material into pipeline in the blocking pipe; Plug possibly take place fail all to take out at ducted edge of a knife cloth, cause edge of a knife cloth through the pump whole system of having smashed after stain; Adopt Plastic cap to stop up in addition, but Plastic cap can only a size, and dimensional changes is little, inserts not enter sometimes, the tension of inserting sometimes again is difficult to extract, at high temperature plug boiling hotization easily also.
The model utility content
The purpose of the utility model is to the problems referred to above, and a kind of novel plug is provided.
Be to realize above-mentioned purpose, the method that the utility model adopts is:, a kind of plug, plug comprises threaded mandrel; Tapped tapering axle, the software material that rises; Said threaded mandrel is connected with the tapering male thread, and the said software material central position of rising is processed with through hole, and threaded mandrel passes the rise through hole of material central position of software; A rise end of material of software is provided with the internal taper hole that matches with said tapering axle, and the tapering of said internal taper hole is less than the inner taper of said tapering axle.
A kind of improvement as the utility model; Said tapering axle central position is provided with step hole, and the threaded mandrel external diameter is identical with the hole diameter base dimension of said step hole, and both match; In the macropore of said step hole, be provided with screw plug, said macropore and screw plug Spielpassung.
As a kind of improvement of the utility model, said threaded mandrel right-hand member is provided with the axle rotating handles.
As a kind of improvement of the utility model, the rise the other end of material of said software is provided with mounting hole, is provided with nut in the mounting hole, and nut matches with threaded mandrel.
As a kind of improvement of the utility model, said plug also comprises fixed cover, the matching with fixed cover of said mounting hole.
As a kind of improvement of the utility model, said fixed cover is provided with the fixed cover handle.
As a kind of improvement of the utility model, the base dimension of the internal diameter of through hole is identical with the base dimension of threaded mandrel external diameter, both Spielpassung.
As a kind of improvement of the utility model, the internal diameter of said mounting hole and fixed cover interference fit.
The utility model reaches following beneficial effect through above setting:
Applied widely, safe in utilization, good seal performance, this plug can be installed in the arbitrary position of pipeline, plug can not take place fall suddenly, the situation that the plug landing can't be taken out to the pipeline depths.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the right elevation of the utility model;
Schematic representation when Fig. 3 is the use of the utility model;
Each member is among the figure:
1 axle rotating handles, 3 pipelines to be processed, 5 tapering axles, 7 softwares rise material, 9 fixed covers, 11 fixed cover handles, 21 screw plugs, 24 softwares rise material inner taper hole, 25 nuts, 27, threaded mandrel.
Embodiment
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described.
Like the described a kind of plug of Fig. 1, said plug comprises threaded mandrel 27, tapering axle 5, the software material 7 that rises, and said threaded mandrel 27 links to each other with tapering axle 5; Tapering axle 5 central positions are processed with step hole, and step hole comprises aperture and macropore, and the base dimension of the internal diameter of aperture is the external diameter base dimension of threaded mandrel 27; Both are Spielpassung, and macropore is processed with internal thread, and internal thread matches with screw plug 21; After axle is passed the tapering axle, screw in screw plug 21, and fastening.This moment, threaded mandrel 27 formed an assembly with tapering axle 5, axially can rotate each other between threaded mandrel 27 and the tapering axle 5, was limited but move axially.
Said software material 7 central positions of rising are processed with through hole; The base dimension of the internal diameter of through hole is identical with the base dimension of threaded mandrel 27 external diameters; Both Spielpassung; Threaded mandrel 27 passes the rise through hole of material 7 central positions of software, and software material 7 left ends that rise are provided with internal taper hole 24, and the tapering of said internal taper hole 24 is less than the inner taper of the axis of cone 5.
Said software material 7 right-hand members that rise are provided with mounting hole, are provided with nut in the mounting hole, and nut matches with threaded mandrel 27, also is provided with fixed cover 9 in the mounting hole, the internal diameter of mounting hole and fixed cover 9 interference fit.
Threaded mandrel 27 right-hand members as shown in Figure 2 are provided with axle rotating handles 1, and fixed cover 9 is provided with fixed cover handle 11.
The software of the utility model material 7 that rises can be selected materials such as nitrile rubber for use, for needing the high situation of account temperature, can select the material of fluorine rubber for use, satisfies different usage requirements.
The tapering in the inner taper hole 24 of material 7 is less than the external taper of tapering axle 5 because software rises; When tapering axle 5 moved right, software rose by material 7 inner taper holes 24 by tapering axle 5 spreadings, and the rise external diameter of material 7 of software increases; And produce interference with the inwall of pipeline 3 to be processed; The frictional force that interference produces makes plug be stuck in the pipeline, and the software material 7 that rises forms sealing area with the contacted part of the inwall of pipeline 3 to be processed, with pipeline 3 to be processed be divided into district to be processed, seal area, by the zone of protection.
The pollution of carrying out pipeline cutting, polishing generation in district to be processed is kept off in the outside by seal area, after cutting, the polishing.After cleaning district to be processed with kerosene, remove plug and clear up pollution once more, can not cause the problem of pipeline secondary pollution when solving construction, guarantee the quality of construction.
At first inner-walls of duct to be processed is cleared up during practical implementation, the plug of packing into, hand-held fixed cover 9, threaded mandrel 27 in the pipeline 3 to be processed of packing into, keeps plug and pipeline to be processed 3 almost coaxials to get final product.
Secondly mandrel rotating handles 1, under the effect of nut 25, threaded mandrel 27 moves right along axis direction.The tapering in the inner taper hole 24 of material 7 is less than the external taper of tapering axle 5 because software rises, so when tapering axle 5 moved right, software rose by the inner taper hole 24 of material 7 by tapering axle 5 spreadings, software material 7 external diameters that rise swell, and contact with pipeline 3 to be processed gradually.
At last, when hand mandrel rotating handles 1 was had any problem, hand-held fixed cover handle 11 mandrel rotating handleses 1 were fastened on plug in the pipeline 3 to be processed.
Need only counter-rotation axle rotating handles 1 during dismounting, when treating that plug becomes flexible, promptly extensible.
The utility model goes for the operation with the pipeline to be processed of certain diameter dimensional range, can satisfy the usage requirement of actual different size scope according to the internal diameter of the pipeline size sectional making of different size in actual use.
The utility model can be installed in the situation of arbitrary position, and is vertical at pipeline, district to be processed below the position the situation that plug falls suddenly can not take place in the frictional force of material 7 and pipeline 3 to be processed because software rises.Vertical at pipeline, the situation that the plug landing can't be taken out to the pipeline depths can not take place in position up, district to be processed yet.
Under individual cases, this plug also is used as the effect of cutting off fluid in the low system of pipeline pressure.
The above; It only is the preferred embodiment of the utility model; Be not to be the utility model to be done the restriction of any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that the technical spirit of the utility model is done.

Claims (8)

1. plug; It is characterized in that: said plug comprises threaded mandrel (27); Tapped tapering axle (5), the software material (7) that rises; Said threaded mandrel (27) is threaded with tapering axle (5), and said software material (7) central position of rising is processed with through hole, and threaded mandrel (27) passes the rise through hole of material (7) central position of software; A rise end of material (7) of software is provided with the internal taper hole (24) that matches with said tapering axle (5), and the tapering of said internal taper hole (24) is less than the inner taper of said tapering axle (5).
2. a kind of plug according to claim 1; It is characterized in that: said tapering axle (5) central position is provided with step hole; Threaded mandrel (27) external diameter is identical with the hole diameter base dimension of said step hole; Both match, and in the macropore of said step hole, are provided with screw plug (21), said macropore and screw plug (21) Spielpassung.
3. a kind of plug according to claim 1 and 2 is characterized in that: said threaded mandrel (27) right-hand member is provided with axle rotating handles (1).
4. a kind of plug according to claim 1 and 2 is characterized in that: the rise the other end of material (7) of said software is provided with mounting hole, is provided with nut (25) in the mounting hole, and nut (25) matches with threaded mandrel (27).
5. a kind of plug according to claim 4 is characterized in that: said plug also comprises fixed cover (9), the matching with fixed cover (9) of said mounting hole.
6. a kind of plug according to claim 5 is characterized in that: said fixed cover (9) is provided with fixed cover handle (11).
7. a kind of plug according to claim 1 and 2 is characterized in that: the base dimension of the internal diameter of through hole is identical with the base dimension of threaded mandrel (27) external diameter, both Spielpassung.
8. a kind of plug according to claim 5 is characterized in that: the internal diameter of said mounting hole and fixed cover (9) interference fit.
CN201120322185XU 2011-08-31 2011-08-31 Plug Expired - Fee Related CN202301927U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120322185XU CN202301927U (en) 2011-08-31 2011-08-31 Plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120322185XU CN202301927U (en) 2011-08-31 2011-08-31 Plug

Publications (1)

Publication Number Publication Date
CN202301927U true CN202301927U (en) 2012-07-04

Family

ID=46370825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120322185XU Expired - Fee Related CN202301927U (en) 2011-08-31 2011-08-31 Plug

Country Status (1)

Country Link
CN (1) CN202301927U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112518242A (en) * 2020-11-20 2021-03-19 中国电子科技集团公司第十四研究所 Dust-free hole opening method for cold plate runner
CN114012316A (en) * 2021-11-15 2022-02-08 中国电子科技集团公司第二十九研究所 Metal rubber composite jig for preventing liquid cooling runner redundancy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112518242A (en) * 2020-11-20 2021-03-19 中国电子科技集团公司第十四研究所 Dust-free hole opening method for cold plate runner
CN112518242B (en) * 2020-11-20 2022-03-08 中国电子科技集团公司第十四研究所 Dust-free hole opening method for cold plate runner
CN114012316A (en) * 2021-11-15 2022-02-08 中国电子科技集团公司第二十九研究所 Metal rubber composite jig for preventing liquid cooling runner redundancy

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20160831