CN201162895Y - Screw connection sealing structure and its fixture - Google Patents

Screw connection sealing structure and its fixture Download PDF

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Publication number
CN201162895Y
CN201162895Y CNU2007201865860U CN200720186586U CN201162895Y CN 201162895 Y CN201162895 Y CN 201162895Y CN U2007201865860 U CNU2007201865860 U CN U2007201865860U CN 200720186586 U CN200720186586 U CN 200720186586U CN 201162895 Y CN201162895 Y CN 201162895Y
Authority
CN
China
Prior art keywords
groove
seal ring
seal
utility
model
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
CNU2007201865860U
Other languages
Chinese (zh)
Inventor
徐先锋
赵明祥
钱金明
赵小虎
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.)
ZHEJIANG DUN'AN VALVE CO Ltd
Original Assignee
ZHEJIANG DUN'AN VALVE 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 ZHEJIANG DUN'AN VALVE CO Ltd filed Critical ZHEJIANG DUN'AN VALVE CO Ltd
Priority to CNU2007201865860U priority Critical patent/CN201162895Y/en
Application granted granted Critical
Publication of CN201162895Y publication Critical patent/CN201162895Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a threaded connection sealing structure, which comprises an external threaded connection part. A slot is arranged at the middle section of the threaded connection part; a seal ring is positioned inside the slot; a skid resistance layer is arranged at the bottom of the slot; the skid resistance layer is a toothed surface or a patterned surface. The utility model also discloses an assembly for assembling the seal ring in the sealing structure, which comprises a base and a tapered guide sleeve. A vertical central through hole is positioned in the base; a concave groove that is communicated with the central through hole is arranged at the top of the base; a telescopic unit is positioned inside the concave groove; the telescopic unit comprises a pressing block and a spring that is positioned in the concave groove to topple the pressing block to the central through hole. Therefore, the utility model effectively saves the time for installation and assembly, improves the assembly efficiency. Besides, because the seal ring can be conveniently bushed to the external threaded connection part via the assembly, the utility model saves the coiling of filler in a conventional assembly method, avoids the defect in sealing performance due to the improper coiling of filler in the conventional assembly method and realizes convenient processing, excellent sealing performance and outstanding practical performance.

Description

A kind of seal with screwed joint structure and frock thereof
Technical field
The utility model relates to a kind of pipe fitting sealing configuration and frock thereof by being threaded.
Background technique
Run into the situation that pipe fitting and pipe fitting etc. assemble by being threaded through regular meeting in daily life; as being connected of water pipe and water tap; traditional installation fit is for tightly wrapping raw meal belt or other packing at the outside thread place of a pipe fitting; screw in the internal thread of another pipe fitting, reach the purpose that connects and seal.But exist not enough like this: sealing effect and raw material between the pipe fitting have direct relation, raw meal belt twines and has lacked the sealing effect that can influence between the pipe fitting, how twined to make between the pipe fitting and can't screw cooperation fully, screw out two pipe fittings this moment again, then raw meal belt is damaged, in order to guarantee sealing effect, must use new raw meal belt again.Therefore traditional fit operation is more loaded down with trivial details, and efficient is low, and sealability is owing to the operation reason differs greatly, and sealing effect is poor.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of seal with screwed joint structure, can effectively solve traditional fit complex operation, and efficient is low to differ greatly the problem of sealing effect difference with sealability owing to operating reason.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: a kind of seal with screwed joint structure, comprise the outside thread joint, and it is characterized in that: the middle part of outside thread joint is provided with fluting, is provided with seal ring in the fluting.
Further, the fluting bottom is provided with skid resistant course, and skid resistant course is the flank of tooth or annular knurl face.
Further, seal ring is made by teflon.
Another purpose of the present utility model provides a kind of frock that is used to assemble above-mentioned seal with screwed joint structure, can be so that the seal ring simple installation in the above-mentioned seal with screwed joint structure.
To achieve these goals, the frock that the utility model provides is characterized in that: comprise pedestal and coniform guide sleeve, pedestal is provided with vertical central through bore, and the pedestal top is provided with the groove that communicates with central through bore, is provided with expansion device in the groove.
Further, the pedestal top evenly is provided with four grooves, is provided with expansion device in each groove.
Further, expansion device comprises briquetting and is located in the groove the spring of briquetting top to central through bore.
Further, also be provided with the horizontally-guided bar of active cross-under on groove walls in the groove, slotted wall is provided with the perforation of sliding for guide rod, and briquetting is fixedly connected on the guide rod front end, and spring is through on the guide rod.
Further, guide rod is fixedlyed connected with briquetting by screw thread.
The utility model is owing to adopted technique scheme, effectively saved the installation installation time, improved efficiency of assembling, by frock can be easy seal ring is inserted in the outside thread joint, saved the winding of packing in traditional fit, and the middle part of outside thread joint is with seal ring and has effectively improved the sealability that pipe fitting connects, avoided in traditional fit the improper sealability that influences of twining owing to packing, the utility model is easy to process, good seal performance, practical.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the schematic representation of a kind of seal with screwed joint structure of the utility model;
Structural representation when Fig. 2 is the assembling of a kind of frock of the utility model;
Fig. 3 is that the utility model cooperates schematic representation with internal thread tube piece.
Embodiment
As shown in Figure 1 to Figure 3, the embodiment of a kind of seal with screwed joint structure of the utility model, comprise pipe fitting 1, pipe fitting 1 is provided with outside thread joint 11, and the middle part of outside thread joint 11 is provided with fluting 2, and the degree of depth of fluting 2 is greater than footpath, 11 ends of outside thread, be provided with seal ring 3 in the fluting 2, seal ring 3 is made by teflon, and the width of fluting 2 is greater than the width of seal ring 3, and seal ring 3 is embedded in the fluting 2.The 2 bottom cylindricals of slotting are provided with skid resistant course 21, making fluting 2 bottoms by gear hobbing or annular knurl is the flank of tooth or annular knurl face, increased the frictional force between seal ring 3 and the pipe fitting 1, prevented that effectively two pipe fittings that cooperatively interact from influencing sealability owing to seal ring 3 with pipe fitting 1 slide relative takes place.
A kind of frock of assembling seal ring in the utility model seal with screwed joint structure, comprise pedestal 41 and coniform guide sleeve 46, pedestal 41 is provided with vertical central through bore 42, and pedestal 41 tops evenly are provided with four grooves 48 that communicate with central through bore 42, are provided with expansion device in each groove 48.Expansion device comprises briquetting 43 and is located in the groove 48 spring 45 of briquetting 43 tops to central through bore 42, also be provided with the horizontally-guided bar 44 of active cross-under on groove walls in the groove 48, slotted wall is provided with the perforation 47 of sliding for guide rod 44, briquetting 43 is fixedly connected on guide rod 44 front ends by screw thread, and spring 45 is through on the guide rod 44.
Finish the fluting of pipe fitting 1 earlier and carry out gear hobbing or annular knurl in the bottom of fluting 2, again pipe fitting 1 is embedded guide sleeve 46 tail ends, seal ring 3 is enclosed within on the guide sleeve 46, again guide sleeve 46 front ends are placed and four briquettings 43 between, seal ring 3 is positioned on briquetting 43 end faces, pressure pipe part 1 moves down pipe fitting 1 and guide sleeve 46 downwards, this moment, spring 45 was compressed, briquetting 43 outwards moves along guide rod 44, while is owing to pipe fitting 1 and guide sleeve 46 moving down, make seal ring 3 move up and be placed in the fluting 2 of pipe fitting 1, finish the assembling of seal ring 3 with respect to pipe fitting 1 and guide sleeve 46.

Claims (8)

1, a kind of seal with screwed joint structure comprises outside thread joint (11), it is characterized in that: the middle part of described outside thread joint (11) is provided with fluting (2), is provided with seal ring (3) in the described fluting (2).
2, seal with screwed joint structure according to claim 1 is characterized in that: described fluting (2) bottom is provided with skid resistant course (21), and described skid resistant course (21) is the flank of tooth or annular knurl face.
3, seal with screwed joint structure according to claim 1 is characterized in that: described seal ring (3) is made by teflon.
4, a kind of frock that is used to assemble seal with screwed joint structure described in claim 1 is characterized in that:
Comprise pedestal (41) and coniform guide sleeve (46), described pedestal (41) is provided with vertical central through bore (42), and described pedestal (41) top is provided with the groove (48) that communicates with described central through bore (42), and described groove is provided with expansion device in (48).
5, frock according to claim 4 is characterized in that: described pedestal (41) top evenly is provided with four grooves (48), and each groove is provided with expansion device in (48).
6, according to claim 4 or 5 described frocks, it is characterized in that: described expansion device comprises briquetting (43) and is located in the groove (48) the spring (45) of briquetting (43) top to central through bore (42).
7, frock according to claim 6, it is characterized in that: also be provided with the horizontally-guided bar (44) of active cross-under on groove walls in the described groove (48), slotted wall is provided with the perforation (47) of sliding for guide rod (44), described briquetting (43) is fixedly connected on guide rod (44) front end, and described spring (45) is through on the guide rod (44).
8, frock according to claim 7 is characterized in that: described guide rod (44) is fixedlyed connected with described briquetting (43) by screw thread.
CNU2007201865860U 2007-12-29 2007-12-29 Screw connection sealing structure and its fixture Expired - Fee Related CN201162895Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201865860U CN201162895Y (en) 2007-12-29 2007-12-29 Screw connection sealing structure and its fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201865860U CN201162895Y (en) 2007-12-29 2007-12-29 Screw connection sealing structure and its fixture

Publications (1)

Publication Number Publication Date
CN201162895Y true CN201162895Y (en) 2008-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201865860U Expired - Fee Related CN201162895Y (en) 2007-12-29 2007-12-29 Screw connection sealing structure and its fixture

Country Status (1)

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CN (1) CN201162895Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101699104A (en) * 2009-11-12 2010-04-28 江苏光芒科技发展有限公司 Thread sealing method
CN102717283A (en) * 2012-06-26 2012-10-10 江苏汤臣汽车零部件有限公司 Speed reducer shell assembling plane milling tool
CN107676489A (en) * 2017-10-12 2018-02-09 江苏广鸿环境工程有限公司 The automatic Load adjusting apparatus of ultra-clean demister in a kind of desulfurizing tower

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101699104A (en) * 2009-11-12 2010-04-28 江苏光芒科技发展有限公司 Thread sealing method
CN102717283A (en) * 2012-06-26 2012-10-10 江苏汤臣汽车零部件有限公司 Speed reducer shell assembling plane milling tool
CN102717283B (en) * 2012-06-26 2014-04-02 江苏汤臣汽车零部件有限公司 Speed reducer shell assembling plane milling tool
CN107676489A (en) * 2017-10-12 2018-02-09 江苏广鸿环境工程有限公司 The automatic Load adjusting apparatus of ultra-clean demister in a kind of desulfurizing tower
CN107676489B (en) * 2017-10-12 2019-04-19 江苏广鸿环境工程有限公司 The automatic Load of ultra-clean demister adjusts device in a kind of desulfurizing tower

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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: 20081210

Termination date: 20141229

EXPY Termination of patent right or utility model