CN205824475U - Seal plug - Google Patents

Seal plug Download PDF

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Publication number
CN205824475U
CN205824475U CN201620782248.2U CN201620782248U CN205824475U CN 205824475 U CN205824475 U CN 205824475U CN 201620782248 U CN201620782248 U CN 201620782248U CN 205824475 U CN205824475 U CN 205824475U
Authority
CN
China
Prior art keywords
seal
plug
conical
conical seal
deformation
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
CN201620782248.2U
Other languages
Chinese (zh)
Inventor
朱炜坚
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.)
Wenzhou Sancheng Stainless Steel Standard Parts Co Ltd
Original Assignee
Wenzhou Sancheng Stainless Steel Standard Parts 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 Wenzhou Sancheng Stainless Steel Standard Parts Co Ltd filed Critical Wenzhou Sancheng Stainless Steel Standard Parts Co Ltd
Priority to CN201620782248.2U priority Critical patent/CN205824475U/en
Application granted granted Critical
Publication of CN205824475U publication Critical patent/CN205824475U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of seal plug, its drip irrigation device is to include plug body, the through hole of axially extending and through upper and lower end face it is shaped with on described plug body, described plug body one end is provided with the portion of screwing, the other end is provided with conical seal, the described portion that screws is provided with threaded joints between conical seal, and described conical seal is shaped with the deformation groove of axially extending and through sidewall.Clamping screws portion, when being screwed in by threaded joints in installing hole, conical seal can gradually taper up generation elastic deformation by deformation groove during deeply, the laminating installing hole inwall so that conflicting in the lateral wall of conical seal, thus it is effectively improved sealing effectiveness.And conical seal can produce the elastic deformation of larger size range by deformation groove, and therefore the size range of adaptive installing hole is bigger, effectively reduces the matching requirements of the conical surface, thus reduces the machining accuracy of seal plug, advantageously reduces processing cost.

Description

Seal plug
Technical field
This utility model relates to a kind of machanical fastener, more specifically, it relates to a kind of seal plug.
Background technology
At present, notification number is that the Chinese patent of CN203811016U discloses a kind of seal plug, and it includes one and heat exchange The pipe mouth of pipe forms the taper plug of interference fit, and described plug is shaped with the through hole of axially extending and through upper and lower end face;Plug Top be shaped with a collar flange highlighting and covering heat exchanger tube seal-weld toward outer circumference surface direction, also by angle welding close Gap between collar flange and clad tubesheet, or by setting seal washer closed circular flange under the flange with compound Gap between tube sheet.This plug is due to the design of the conical surface, although can during plug is filled in hole wall increasingly Laminating, but plug does not have deformability, and therefore its size fit is limited in scope, thus requires the assembly precision of the conical surface relatively Height, is unfavorable for improving the sealing effectiveness of this structure plug.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of seal plug, this seal plug Head can produce the preferable elastic packing of sealing effectiveness.
For achieving the above object, this utility model provides following technical scheme: a kind of seal plug, include plug this Body, described plug body is shaped with the through hole of axially extending and through upper and lower end face, and described plug body one end is provided with the portion of screwing, The other end is provided with conical seal, described in screw portion and be provided with threaded joints, described conical seal between conical seal On be shaped with the deformation groove of axially extending and through sidewall.
By using technique scheme, clamping screws portion, when threaded joints being screwed in installing hole, and conical seal Generation elastic deformation can be gradually tapered up, so that the lateral wall of conical seal is supported by deformation groove during deeply Touch laminating installing hole inwall, thus be effectively improved sealing effectiveness.And conical seal can produce bigger chi by deformation groove The elastic deformation of very little scope, therefore the size range of adaptive installing hole is bigger, effectively reduces the matching requirements of the conical surface, thus reduces The machining accuracy of seal plug, advantageously reduces processing cost.
This utility model is further arranged to: the axial wall thickness dimension of described conical seal keeps consistent.
By using technique scheme, sidewall homogeneous deformation axial when enabling conical seal stress, make taper Sealing can fully be fitted installing hole inwall, is conducive to improving sealing effectiveness.
This utility model is further arranged to: described deformation groove is provided with two.
By using technique scheme, strengthen the deformability of conical seal, enable conical seal to produce more Deformation degree on a large scale, thus further enhance the elastic deformation ability of conical seal so that it is the scope of application expands further Greatly.
This utility model is further arranged to: two deformation grooves are symmetricly set in conical seal opposite sides.
By using technique scheme, enable conical seal homogeneous deformation, thus close when being conducive to its deformation Envelope stability.
This utility model is further arranged to: described in the portion of screwing be outer-hexagonal shape structure.
By using technique scheme, it is applicable to spanner and from outside, seal plug is tightened.
This utility model is further arranged to: described in the portion of screwing be interior hexgonal structure.
By using technique scheme, it is applicable to inner hexagon spanner and seal plug is tightened.
This utility model is further arranged to: described plug body is made of stainless steel.
By using technique scheme, rustless steel is to have the weak corrosive mediums such as resistance to air, steam, water or have stainless Property steel grade, it is possible to expand seal plug the scope of application.
In sum, this utility model has the advantages that seal plug clamping is rotated by use spanner, and screws Portion is provided with threaded joints between conical seal, is therefore screwing portion with spanner clamping, is being screwed in by threaded joints and install In hole, and threaded with it, and conical seal can gradually taper up by deformation groove during seal plug gos deep into Produce elastic deformation, the laminating installing hole inwall so that conflicting in the lateral wall of conical seal, thus it is effectively improved sealing effectiveness. And conical seal can produce the elastic deformation of larger size range, therefore the size model of adaptive installing hole by deformation groove Enclose bigger, effectively reduce the matching requirements of the conical surface, thus reduce the machining accuracy of seal plug, advantageously reduce processing cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of plug body;
Fig. 2 is the cross-sectional view screwing portion's the second embodiment.
Reference: 1, plug body;11, through hole;12, portion is screwed;13, conical seal;131, deformation groove;14, spiral shell Stricture of vagina connecting portion.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is further described.The most identical parts phase Same reference represents.It should be noted that the word "front", "rear" used in describing below, "left", "right", " on " and D score refers to the direction in accompanying drawing, and word " bottom surface " and " end face ", " interior " and " outward " refer respectively to towards or away from specific The direction at component geometry center.
A kind of seal plug, with reference to shown in Fig. 1, includes plug body 1, plug body 1 is shaped with axially extending and passes through The through hole 11 of logical upper and lower end face, after being fixedly mounted by seal plug, conducting medium can circulate from through hole 11, for avoid medium from The junction of seal plug and installing hole is revealed, and the end that seal plug inserts installing hole arranges conical seal 13, taper Being shaped with the deformation groove 131 of axially extending and through sidewall on sealing 13, such conical seal 13 can be according to deformation groove 131 Produce circumferentially contracted deformation, thus conflict and be fitted in installing hole.
With reference to shown in Fig. 1, it is provided with the portion of screwing 12 at plug body 1 relative to the other end of conical seal 13, screws portion 12 can select to arrange in outer-hexagonal shape structure according to installation position, or arrange in interior hexgonal structure with reference to shown in Fig. 2, then Seal plug clamping is rotated by the spanner using adaptation, and screws and be provided with threaded joints between portion's 12 to conical seal 13 14, therefore screwing portion 12 with spanner clamping, threaded joints 14 is being screwed in installing hole, and threadeds with it, and taper Sealing 13 can gradually taper up generation elastic deformation by deformation groove 131 during seal plug gos deep into, so that cone The lateral wall conflict laminating installing hole inwall of shape sealing 13, thus it is effectively improved sealing effectiveness.And conical seal 13 energy Enough elastic deformations being produced larger size range by deformation groove 131, therefore the size range of adaptive installing hole is bigger, effectively drops The matching requirements of the low conical surface, thus reduce the machining accuracy of seal plug, advantageously reduce processing cost.
Additionally, with reference to shown in Fig. 1, the axial wall thickness dimension of conical seal 13 keeps consistent from top to bottom, it is possible at cone Sidewall axial during shape sealing 13 stress can homogeneous deformation, make conical seal 13 can fully fit installing hole inwall, Be conducive to improving sealing effectiveness.
The outline of conical seal 13 can be with curved structure, when the outline evagination of conical seal 13 is curved Time, it is possible to form ring-type linear sealing with installing hole inwall, thus by reducing contact area, improve sealing effectiveness.
Deformation groove 131 is also provided with a plurality of, is preferably provided with two, it is possible to effectively strengthen the deformation of conical seal 13 Ability, makes conical seal 13 can produce larger range of deformation degree, thus further enhances the bullet of conical seal 13 Property deformability so that it is the scope of application expands further;And two to be symmetricly set in conical seal 13 relative for deformation groove 131 Both sides, make conical seal 13 can stress time homogeneous deformation, thus be conducive to its deformation time sealing stability.
Plug body 1 is preferably made of stainless steel, owing to rustless steel is to have the weak corrosive mediums such as resistance to air, steam, water Or there is the steel grade of rustless property, therefore, it is possible to expand the scope of application of seal plug.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned Embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It is right to it should be pointed out that, For those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, These improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (7)

1. a seal plug, includes plug body (1), described plug body (1) is shaped with axially extending and through up and down The through hole (11) of end face, described plug body (1) one end is provided with the portion of screwing (12), and the other end is provided with conical seal (13), its Feature is: described in screw portion (12) and be provided with threaded joints (14), described conical seal between conical seal (13) (13) the deformation groove (131) of axially extending and through sidewall it is shaped with on.
Seal plug the most according to claim 1, is characterized in that: described conical seal (13) axially wall thickness dimension keeps Unanimously.
Seal plug the most according to claim 1 and 2, is characterized in that: described deformation groove (131) is provided with two.
Seal plug the most according to claim 3, is characterized in that: two deformation grooves (131) are symmetricly set in cone seal Portion (13) opposite sides.
Seal plug the most according to claim 1, is characterized in that: described in screw portion (12) be outer-hexagonal shape structure.
Seal plug the most according to claim 1, is characterized in that: described in screw portion (12) be interior hexgonal structure.
Seal plug the most according to claim 1, is characterized in that: described plug body (1) is made of stainless steel.
CN201620782248.2U 2016-07-25 2016-07-25 Seal plug Expired - Fee Related CN205824475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620782248.2U CN205824475U (en) 2016-07-25 2016-07-25 Seal plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620782248.2U CN205824475U (en) 2016-07-25 2016-07-25 Seal plug

Publications (1)

Publication Number Publication Date
CN205824475U true CN205824475U (en) 2016-12-21

Family

ID=57560516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620782248.2U Expired - Fee Related CN205824475U (en) 2016-07-25 2016-07-25 Seal plug

Country Status (1)

Country Link
CN (1) CN205824475U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107896270A (en) * 2017-12-27 2018-04-10 匀加速科技有限公司 Waterproof mobile phone side switch
CN107946909A (en) * 2017-11-30 2018-04-20 江西洪都航空工业集团有限责任公司 A kind of blanking cover for portable installation
CN107948384A (en) * 2017-12-27 2018-04-20 匀加速科技有限公司 Mobile phone side key
CN108166999A (en) * 2017-09-18 2018-06-15 招商局重庆交通科研设计院有限公司 A kind of antifreeze fire proof construction of the waterproof of tunnel in cold area
CN109737118A (en) * 2019-02-12 2019-05-10 安徽合力股份有限公司 A kind of thermometric expanding plug for closed type hydraulic oil tank
CN111336159A (en) * 2018-12-19 2020-06-26 株式会社斗山 Plug for fluid occlusion

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166999A (en) * 2017-09-18 2018-06-15 招商局重庆交通科研设计院有限公司 A kind of antifreeze fire proof construction of the waterproof of tunnel in cold area
CN108166999B (en) * 2017-09-18 2023-10-27 招商局重庆交通科研设计院有限公司 Waterproof, antifreezing and fireproof structure of tunnel in cold region
CN107946909A (en) * 2017-11-30 2018-04-20 江西洪都航空工业集团有限责任公司 A kind of blanking cover for portable installation
CN107896270A (en) * 2017-12-27 2018-04-10 匀加速科技有限公司 Waterproof mobile phone side switch
CN107948384A (en) * 2017-12-27 2018-04-20 匀加速科技有限公司 Mobile phone side key
CN111336159A (en) * 2018-12-19 2020-06-26 株式会社斗山 Plug for fluid occlusion
CN111336159B (en) * 2018-12-19 2022-10-21 股份公司摩拓乐 Plug for blocking fluid
CN109737118A (en) * 2019-02-12 2019-05-10 安徽合力股份有限公司 A kind of thermometric expanding plug for closed type hydraulic oil tank
CN109737118B (en) * 2019-02-12 2024-02-09 安徽合力股份有限公司 Temperature-measuring and air-discharging plug for closed hydraulic oil tank

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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

Granted publication date: 20161221

Termination date: 20190725

CF01 Termination of patent right due to non-payment of annual fee