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CN2842131Y - Pipe connection structure with sword iron - Google Patents

Pipe connection structure with sword iron Download PDF

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Publication number
CN2842131Y
CN2842131Y CN 200520057273 CN200520057273U CN2842131Y CN 2842131 Y CN2842131 Y CN 2842131Y CN 200520057273 CN200520057273 CN 200520057273 CN 200520057273 U CN200520057273 U CN 200520057273U CN 2842131 Y CN2842131 Y CN 2842131Y
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CN
China
Prior art keywords
tubing
connecting sleeve
connect
annular recess
inner annular
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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
CN 200520057273
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Chinese (zh)
Inventor
蔡海华
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Individual
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Individual
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Publication date
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Priority to CN 200520057273 priority Critical patent/CN2842131Y/en
Application granted granted Critical
Publication of CN2842131Y publication Critical patent/CN2842131Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a pipe connecting structure with locking bars. Two pipes can be sealed by a connecting sleeve and a sealing ring, and outer annular grooves are arranged at the periphery of the ends of the pipes needing to be connected. The inner periphery of the connecting sleeve is provided with inner annular grooves, and locking holes communicated with the inner annular grooves are correspondingly arranged at the periphery of the connecting sleeve, locking bars are arranged between the inner annular grooves and the outer annular grooves, and the locking bars have a suitable size of outside diameter which can freely insert the locking bars and simultaneously can prevent the relative movement of the pipes and the connecting sleeve. The two pipes are mutually positioned by the connecting structure via the match among the locking holes, the locking bars, the outer annular grooves and the inner annular grooves, the two pipes can be connected firmly, the outer shape of the connecting sleeve having simple and beautiful appearance is reduced, the utility model has the advantages of less material consumption, no need of screw bolts and screw holes, simple and quick disassembly and assembly, no need of any tool, simple structure and long service life, cost is reduced, disassembly and assembly can be carried out when the locking bars are inserted in or pulled out, and the utility model is suitable for the connection of various pipes without the limitation of installing environment and can resist high pressure.

Description

A kind of with lock pipe connecting structure
Technical field: the utility model relates to a kind of pipe connecting structure, particularly a kind of pipe connecting structure that can utilize bolt firmly to connect.
Background technique: in daily life or the production process, water delivery, the tubing of usefulness such as oil transportation all needs certain connected element that they are interconnected to seal, at present to plastic cement, metal, tubing such as aluminium-plastic composite pipe or steel-plastic composite pipe has various linkage structure, these linkage structures all have certain shortcoming: as for the plastic cement pipe, the plastic-aluminum steel-plastic composite pipe is easy to wear out when adopting glue bonding, soundness is poor, sealing is poor, and the expensive special device of the bonding plastic cement Guan Zexu of employing hot melt, the cost height, install, operation inconvenience, the difficult control of hot melting temperature, it is long that connect hours is installed, and the yielding seepage of connection mouth can not dismounting after the connection, and sealing is poor, more can't adopt this method during particular surroundings; Easy-to-rust seepage, dismounting inconvenience, the special-purpose disassemblerassembler of need, cost height when adopting screw thread, welding etc. to connect for small-caliber metallic, then dismounting inconvenience when the heavy caliber metal tube adopts special joint to connect, complex structure, profile are very much not attractive in appearance, and all exist and install because of carelessness or precision easily causes sealing poor when not enough.Also there is certain narrow limitation in above-mentioned linkage structure, the tubing that is different bores, unlike material, different pipe internal pressures need be with different linkage structures, the disclosed ZL01215204.8 of Patent Office of the People's Republic of China, ZL01215205.6, three of ZL01277056.6 provide and have solved this circumscribed pipe connecting structure, but have complicated integral structure, profile is big and attractive in appearance inadequately, dismounting is convenient and swift inadequately, connect sealing reliability not enough, shortcoming such as bit-stopping structure is complicated and big between the tubing.In addition, disclosed this patent of ZL03247246.3 patent of Patent Office of the People's Republic of China has realized that by connecting sleeve and seal ring the self-locking of tubing is tightly connected, but still have certain shortcoming: since connecting sleeve be enclosed within on the tubing must be with stop bits such as bolts, otherwise be easy to when between the tubing external force being arranged throw off, therefore connecting sleeve and tubing all must have screw, increase processing cost and cost of material, simultaneously, mount and dismount time-consumingly and inconvenient, the connecting sleeve profile is big not attractive in appearance yet.
Summary of the invention: the purpose of this utility model is to provide a kind of and firmly connects both can guarantee between the tubing sealing time, and dismounting is simple and efficient and profile is succinct attractive in appearance and with lock the pipe connecting structure that can reduce cost greatly again.
The purpose of this utility model can be achieved as follows: this with lock pipe connecting structure, mainly form by two tubing and connecting sleeve, seal with interior sealing or external sealed or simultaneously by connecting sleeve and seal ring between two tubing, it is characterized in that: described tubing is waited to connect the end periphery and be provided with at least 1 circle inner annular recess outside seal area, simultaneously described connecting sleeve also to be provided with at least 1 circle outer annular recess interior week corresponding with the inner annular recess of tubing; The periphery of connecting sleeve is provided with the lockhole that communicates with outer annular recess and has 1 at least, the bolt that inserts through lockhole is placed in the space that forms between outer annular recess and the inner annular recess, and the external diameter size of bolt can freely be inserted the space of inner annular recess and outer annular recess formation and can stop tubing and connecting sleeve axially relatively moving again simultaneously for bolt.
As further improvement of the utility model: sealing is the end to be connect that the two ends of interior cover is inserted in two tubing respectively between two tubing of this with lock pipe connecting structure, in the two ends of cover and waiting to connect at least 1 seal ring respectively being arranged between the end of two tubing, connecting sleeve entangles the end to be connect of two tubing.
As further improvement of the utility model: external sealed is the end to be connect that connecting sleeve is entangled two tubing between two tubing of this with lock pipe connecting structure, waiting to connect between end and the connecting sleeve two ends and respectively be with at least 1 seal ring at two tubing.
As further improvement of the utility model: between two tubing of this with lock pipe connecting structure simultaneously in external sealed be the end to be connect that the two ends of interior cover is inserted in two tubing respectively, in the two ends of cover and waiting to connect at least 1 seal ring respectively being arranged between the end of two tubing, connecting sleeve entangles the end to be connect of two tubing, simultaneously waiting to connect between end and the connecting sleeve two ends and also respectively be with at least 1 seal ring at two tubing.
As further improvement of the utility model: the lockhole of this with lock pipe connecting structure is an inclined hole, and promptly the central axis of the central axis of lockhole and connecting sleeve (3) is non-intersect.
As further improvement of the utility model: an end of the bolt of this with lock pipe connecting structure is provided with the wedge mouth, and the other end is provided with the afterbody that adapts with the lockhole port.
The utility model is ingenious at interior sealing, external sealed or the interior external sealed realized between the tubing by seal ring and cooperating of tubing, connecting sleeve and interior cover, guarantees enough sealings between the tubing.Simultaneously, by tubing wait connect the end with connecting sleeve be respectively equipped with corresponding inner annular recess and outer annular recess, and the lockhole on connecting sleeve inserts bolt in the space of inner annular recess and outer annular recess formation, realized the mutual location between two tubing, two tubing can not separated, thereby guarantee that two tubing are in stable being tightly connected.This linkage structure can be dwindled the boundary dimension of connecting sleeve and succinctly attractive in appearance greatly, and consumptive material is few, does not need bolt and processing screw hole, greatly reduce cost, the installation and removal simple and fast only needs insertion or extracts bolt out promptly dismantled and assembled, need not any instrument, also can reduce the dismounting cost simultaneously.Therefore, the utility model structure is very simple, is suitable for using in the various tubing connections, is not subjected to the restriction of installation environment, connects firmly between the tubing, and long service life can tolerate any high pressure, adds that profile is very little and attractive in appearance, is good environment-friendly products.
Description of drawings:
Fig. 1 is the inside and outside sealed structural representation of with lock pipe connecting structure of the utility model;
Fig. 2 is the inner seal structure schematic representation of with lock pipe connecting structure of the utility model;
Fig. 3 is the outer seal configuration schematic representation of with lock pipe connecting structure of the utility model;
Fig. 4 is the perspective view of with lock pipe connecting structure of the utility model;
Fig. 5 is the connecting sleeve structural representation of with lock pipe connecting structure of the utility model;
Fig. 6 is the pipe structure schematic representation of with lock pipe connecting structure of the utility model;
Fig. 7 is another structural representation of tubing of with lock pipe connecting structure of the utility model;
Fig. 8 is the bolt structural representation of with lock pipe connecting structure of the utility model;
Embodiment: the utility model is described in further detail below in conjunction with accompanying drawing:
In Fig. 1, with lock pipe connecting structure during external sealed in showing, the two ends of cover 7 in the waiting to connect of two tubing 11,12 is inserted in respectively in the end, in the waiting to connect 1 seal ring 10 respectively arranged between the end of cover 7 two ends and two tubing 11,12, in the seal groove 13 of cover 7, seal ring 10 also can be established 2,3 even more a plurality of to increase sealing in seal ring 10 was enclosed within.The end to be connect of two tubing 11,12 is then entangled at the two ends of connecting sleeve 3, waiting to connect between end and connecting sleeve 3 two ends and also respectively be with 1 seal ring 10 simultaneously at two tubing 11,12, seal ring 10 is enclosed within the seal groove 13 of interior cover 7, seal ring 10 is enclosed within the seal groove 13 of two tubing 11,12, and same sealing circle 10 also can be established 2,3 even more a plurality of to increase sealing.Week also be provided with positive stop 9 in the connecting sleeve 3, rise spacing and positioning action tubing.When water flowing or oil, seal ring is owing to be subjected to the compressing of left and right sides pressure, add that seal ring has elasticity, seal ring can only be along its radial direction distortion, make the outer rim of seal ring get tighter tighter to the interior wall pressure of siphunculus, the inner edge of seal ring is also pressed tighter tightlyer to the periphery of tubing simultaneously, thereby two tubing have been played extraordinary connection seal action, has so just realized the interior external sealed that tubing connects.Simple in fact here interior sealing or external sealed are enough, the interior sealing of a pipe connecting structure with lock as shown in Figure 2 and the external sealed situation of with lock pipe connecting structure shown in Figure 3, external sealed just when preventing especially big pressure, increases sealing in carrying out simultaneously.
In Fig. 1, tubing 11,12 is waited to connect the end periphery and be provided with 1 circle inner annular recess 41 outside seal area, and inner annular recess 41 also can be provided with 2 circles, 3 circle even multi-turns more, and tubing just is provided with inner annular recess 41,42 as shown in Figure 7, to increase the steadiness that connects.Simultaneously connecting sleeve 3 also to be provided with 1 circle outer annular recess 61 interior week corresponding with the inner annular recess 41 of tubing, same, outer annular recess 61 can be provided with that 2 circles, 3 enclose even multi-turn more, so that corresponding with inner annular recess 41,42 etc.The periphery of connecting sleeve 3 is provided with the lockhole 5 that communicates with outer annular recess 61, and the lockhole 5 of connecting sleeve 3 every ends has only 1 in the drawings, and corresponding same outer annular recess also can be established 2,3 even more a plurality of lockhole 5.The bolt 8 that inserts through lockhole 5 is placed in the space that forms between outer annular recess 61 and the inner annular recess 41, the external diameter size of bolt 8 can freely be inserted the space of inner annular recess 41 and outer annular recess 61 formation and can stop tubing 11,12 and connecting sleeve 3 axially relatively moving again simultaneously for bolt, and promptly the external diameter of bolt 8 is a Spielpassung with the space that ring groove 41 and outer annular recess 61 form preferably.Here, the length of bolt 8 is week in the space that forms of inner annular recess 41 and outer annular recess 61 just preferably, if lockhole 5 more certainly, also can insert many and short bolt 8 from different lockholes, until be inserted into fill up till.
From as can be known above-mentioned, by bolt 8 after lockhole 5 is inserted into the space that inner annular recess 41 and outer annular recess 61 form, two tubing will be separated from each other vertically, unless bolt is squeezed into pulverizing, otherwise can't separate, therefore two tubing just can firmly link together.Mount and dismount simply, only need insertion or extraction bolt promptly dismantled and assembled, need not any instrument, moment can finish.Total is simple, and the connecting sleeve profile is little and attractive in appearance.
With lock pipe connecting structure when interior sealing has been shown among Fig. 2, compared to Figure 1, lacked outer seal configuration, the end to be connect of two tubing 11,12 is inserted at the two ends of cover 7 respectively promptly, in the waiting to connect 1 seal ring 10 respectively arranged between the end of cover 7 two ends and two tubing 11,12, connecting sleeve 3 entangles the end to be connect of two tubing 11,12.
Compared to Figure 1 with lock pipe connecting structure, lacked inner seal structure when among Fig. 3 external sealed being shown, and promptly connecting sleeve 3 entangles the end to be connect of two tubing 11,12, two tubing 11,12 wait connect the end and connecting sleeve 3 two ends between respectively be with 1 seal ring 10.
In addition, for bolt 5 can smooth and easyly be inserted between inner annular recess 41 and the outer annular recess 61 fast, lockhole 5 preferably is processed as an inclined hole, make that the central axis of the central axis of lockhole 5 and connecting sleeve 3 is non-intersect, the central axis that is lockhole 5 can not overlap with arbitrary diameter of connecting sleeve 3 cross sections, preferably be exactly lockhole 5 be level and smooth with being connected of jointing place, outer annular recess 61 bottom, rather than the turnover.Like this, bolt just can very successfully insert.
A schematic perspective view of with lock pipe connecting structure has been shown among Fig. 4.The schematic perspective view of connecting sleeve has been shown among Fig. 5, has shown simultaneously in its lockhole 5 and also be inserted with bolt.Two ends have been shown among Fig. 6 the tubing 11 of inner annular recess 41.Then show the tubing 11 that has two circle inner annular recess 41 and seal groove 13 among Fig. 7.
Bolt 8 structures have been shown among Fig. 8, and the one end is provided with the wedge mouth, and the other end is provided with the afterbody 14 that adapts with lockhole 5 ports, the afterbody 14 of bolt 8 port of shutoff lockhole 5 just like this, when particularly matching, be difficult to find out the port that lockhole 5 is arranged, to increase aesthetic property.Simultaneously bolt 8 must have suitable toughness and rigidity, should bending can insert again in the lockhole, can adopt with soft plastic strip or with soft metal bar etc.

Claims (6)

1. with lock pipe connecting structure, mainly form by two tubing (11,12) and connecting sleeve (3), seal with interior sealing or external sealed or simultaneously by connecting sleeve (3) and seal ring (10) between two tubing (11,12), it is characterized in that: described tubing (11,12) is waited to connect the end periphery and be provided with at least 1 circle inner annular recess (41,42) outside seal area, simultaneously described connecting sleeve (3) also to be provided with at least 1 circle outer annular recess (61) interior week corresponding with the inner annular recess (41,42) of tubing; The periphery of connecting sleeve (3) is provided with the lockhole (5) that communicates with outer annular recess (61) and has 1 at least, the bolt (8) that inserts through lockhole (5) is placed in the space that forms between outer annular recess (61) and the inner annular recess (41,42), and the external diameter size of bolt can freely be inserted the space of inner annular recess (41,42) and outer annular recess (61) formation and can stop tubing (11,12) and connecting sleeve (3) axially relatively moving again simultaneously for bolt.
2, with lock pipe connecting structure according to claim 1, it is characterized in that: sealing is the end to be connect that the two ends of interior cover (7) is inserted in two tubing (11,12) respectively between described two tubing (11,12), in the waiting to connect at least 1 seal ring (10) respectively arranged between the end of the cover two ends of (7) and two tubing (11,12), connecting sleeve (3) entangles the end to be connect of two tubing (11,12).
3, with lock pipe connecting structure according to claim 1, it is characterized in that: external sealed is the end to be connect that connecting sleeve (3) is entangled two tubing (11,12) between described two tubing (11,12), two tubing (11,12) wait connect the end and connecting sleeve (3) two ends between respectively be with at least 1 seal ring (10).
4, with lock pipe connecting structure according to claim 1, it is characterized in that: simultaneously interior external sealed is the end to be connect that the two ends of interior cover (7) is inserted in two tubing (11,12) respectively between described two tubing (11,12), in the waiting to connect at least 1 seal ring (10) respectively arranged between the end of the cover two ends of (7) and two tubing (11,12), connecting sleeve (3) entangles the end to be connect of two tubing (11,12), simultaneously waiting to connect between end and connecting sleeve (3) two ends and also respectively be with at least 1 seal ring (10) at two tubing (11,12).
5, with lock pipe connecting structure according to claim 1, it is characterized in that: described lockhole (5) is an inclined hole, and promptly the central axis of the central axis of lockhole (5) and connecting sleeve (3) is non-intersect.
6, with lock pipe connecting structure according to claim 1, it is characterized in that: an end of bolt (8) is provided with the wedge mouth, and the other end is provided with the afterbody (14) that adapts with lockhole (5) port.
CN 200520057273 2005-04-25 2005-04-25 Pipe connection structure with sword iron Expired - Fee Related CN2842131Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520057273 CN2842131Y (en) 2005-04-25 2005-04-25 Pipe connection structure with sword iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520057273 CN2842131Y (en) 2005-04-25 2005-04-25 Pipe connection structure with sword iron

Publications (1)

Publication Number Publication Date
CN2842131Y true CN2842131Y (en) 2006-11-29

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ID=37446013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520057273 Expired - Fee Related CN2842131Y (en) 2005-04-25 2005-04-25 Pipe connection structure with sword iron

Country Status (1)

Country Link
CN (1) CN2842131Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644401A (en) * 2013-11-21 2014-03-19 无锡睿网科技有限公司 Pipeline union joint
CN105546242A (en) * 2016-02-29 2016-05-04 苏州市永通不锈钢有限公司 Stainless steel pipe connecting piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644401A (en) * 2013-11-21 2014-03-19 无锡睿网科技有限公司 Pipeline union joint
CN105546242A (en) * 2016-02-29 2016-05-04 苏州市永通不锈钢有限公司 Stainless steel pipe connecting piece

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061129

Termination date: 20110425