CN208074323U - Watertight connector for connecting reduced pipe - Google Patents

Watertight connector for connecting reduced pipe Download PDF

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Publication number
CN208074323U
CN208074323U CN201820355792.8U CN201820355792U CN208074323U CN 208074323 U CN208074323 U CN 208074323U CN 201820355792 U CN201820355792 U CN 201820355792U CN 208074323 U CN208074323 U CN 208074323U
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China
Prior art keywords
pipeline section
attaching nut
cylinder pipeline
wall
screw thread
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CN201820355792.8U
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Chinese (zh)
Inventor
焦自权
焦子硕
冯志强
王侨
孙勇敢
夏义江
韩鑫
李遵伟
柳存根
许春明
黄新欢
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Qinzhou University
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Qinzhou University
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Abstract

The utility model discloses a kind of watertight connectors for connecting reduced pipe, including joint body, further include attaching nut, joint body includes the taper convex body of inner hollow, taper convex body includes straight cylinder pipeline section and tapered cylinder pipeline section, taper convex body is threadedly coupled by the way that the connection screw thread on the outer wall of straight cylinder pipeline section is arranged with Large Diameter Pipeline tubing, and tapered cylinder pipeline section is connect by the attaching nut with tubule diameter pipes.The utility model is when in use, for Large Diameter Pipeline tubing by be arranged be threadedly coupled in the connection screw thread on straight cylinder pipeline section outer wall, by tubule diameter pipes are then threadedly coupled by tapered cylinder pipeline section with attaching nut, realize the tubing connection of different tube diameters, it is easy to operate, time saving and energy saving, and used taper convex body structure is compact, the ring type seal of attaching nut and setting that is used cooperatively with taper convex body makes tubing be close-coupled on connector, the good airproof performance of connection can simultaneously sustain the pressure that liquid in pipe generates.

Description

Watertight connector for connecting reduced pipe
Technical field
The utility model is related to a kind of pipes connecting joints, and in particular to a kind of watertight connection for connecting reduced pipe Part.
Background technology
With the development of urban construction, tubing can be used in many fields and industry, general tubing has natural gas Pipe, supply pipe, blow-off pipe and hose for various purposes.It, as needed will be different in the fields such as building, chemical industry, machinery The tubing of caliber is attached, especially hose, it is often necessary to be attached the hose of Large Diameter Pipeline and pipe with small pipe diameter.For reducing The connection of hose, general connector are attached, and connector one end is big and the other end is small, and when use covers the different hose of caliber respectively At the both ends of connector, fastened again with clip after finally using cloth waste cladding.This connection type is not only cumbersome, and ties The case where structure is thin, cannot bear pressure larger in pipe, and junction often leaks, it is inconvenient to use.
And for above-mentioned defect, do not occur the report in relation to pipe reducer in the prior art, therefore, research Go out that a kind of overpressure simple in structure, bearing is big, durable and pipe reducer easy to operate will be conducive to improve The development in this field of tubing.
Utility model content
In view of the above-mentioned deficiencies, the technical problem to be solved by the utility model is to provide a kind of simple in structure, operation sides Just the watertight connector for connecting reduced pipe.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
Watertight connector for connecting reduced pipe, including joint body, further include attaching nut, the joint body packet The taper convex body of inner hollow is included, the taper convex body includes as the straight cylinder pipeline section at Large Diameter Pipeline end and as pipe with small pipe diameter end Tapered cylinder pipeline section, straight cylinder pipeline section are integrally formed with tapered cylinder pipeline section;The taper convex body is by being arranged in straight cylinder pipe Connection screw thread on the outer wall of section is threadedly coupled with Large Diameter Pipeline tubing, and tapered cylinder pipeline section passes through the attaching nut and pipe with small pipe diameter Tubing connects.
In said program, for the ease of holding and operating, taper that can be between straight cylinder pipeline section and tapered cylinder pipeline section One annular fixed block is installed on convex body.
In said program, tapered cylinder pipeline section and attaching nut for being connected to tubule diameter pipes on taper convex body Concrete structure can be:Connection screw thread is evenly arranged on the outer wall of tapered cylinder pipeline section, the attaching nut is existed by setting Screw thread on attaching nut's inner wall is threadedly coupled with tapered cylinder pipeline section, and the circular hole in attaching nut is in conical structure and edge The direction of circular hole minimum-value aperture extends, and the conical structure matches with tapered cylinder pipeline section size.
In said program, in order to further increase the air-tightness that tapered cylinder pipeline section is connect with tubing, it can be tied in cone It is equipped with annular slotted hole in the circular hole of structure, ring type seal is installed in the annular slotted hole.
The invention also discloses tapered cylinder pipeline section and the companies for being connected to tubule diameter pipes on taper convex body Another specific implementation structure of connected nut:The taper convex body further includes hollow connection tube, and the hollow connection tube is arranged On the outer wall of tapered cylinder pipeline section and one end of hollow sleeve is fixed on annular fixed block, uniform in the inner wall of hollow sleeve It is provided with connection screw thread;The attaching nut passes through the screw thread that is arranged on the outer wall of attaching nut and tapered cylinder pipeline section screw thread Connection.
In said program, in order to facilitate the operation with the rigidity of increase attaching nut, it can be installed on the outer wall of attaching nut There are annular lug, the outer wall integrated molding of the annular lug and attaching nut.
The beneficial effects of the utility model are:
1) the watertight connector of the utility model is mainly made of joint body and attaching nut, used joint body For the taper convex body of inner hollow, taper convex body is divided into integrally formed straight cylinder pipeline section and the diminishing tapered cylinder of internal diameter Pipeline section, when in use:Large Diameter Pipeline tubing is threadedly coupled by the way that the connection screw thread on straight cylinder pipeline section outer wall is arranged, And tubule diameter pipes are then threadedly coupled by tapered cylinder pipeline section with attaching nut, realize the tubing of different tube diameters Connection, it is easy to operate, time saving and energy saving;
2) the taper convex body structure that uses is compact, is used cooperatively with taper convex body attaching nut and setting it is annular close Seal, tubing are close-coupled on connector, the good airproof performance not only connected and the pressure that can sustain liquid in pipe generation, It is simple in structure, easy to use, and can reuse, is highly practical.
Description of the drawings
Fig. 1 is this for connecting a kind of structural schematic diagram when the watertight connector of reduced pipe uses.
Fig. 2 is this for connecting another structural schematic diagram when watertight connector of reduced pipe uses.
Fig. 3 is a kind of structural schematic diagram of the joint body.
Fig. 4 is the cross-sectional view of the attaching nut to match with Fig. 3 center tap ontologies.
Fig. 5 is another cross-sectional view of attaching nut in Fig. 4.
Fig. 6 is another structural schematic diagram of the joint body.
Fig. 7 is the cross-sectional view of the attaching nut to match with Fig. 6 center tap ontologies.
Fig. 8 is another cross-sectional view of attaching nut in Fig. 7.
Figure label is:1, joint body, 1-1, taper convex body, 1-2, connection screw thread, 1-3, annular fixed block, 1-4, in Empty connecting tube, 2, attaching nut, 2-1, annular lug, 3, ring type seal, 4, Large Diameter Pipeline tubing, 5, tubule diameter pipes, 6, spiral shell Line, 7, circular hole, 8, annular slotted hole, 9, straight cylinder pipeline section, 10, tapered cylinder pipeline section.
Specific implementation mode
Embodiment 1
Watertight connector for connecting reduced pipe, including joint body 1 and attaching nut 2.As shown in Figure 6, described to connect Head ontology 1 includes the taper convex body 1-1 of hollow connection tube 1-4 and inner hollow.The taper convex body 1-1 includes being used as Large Diameter Pipeline The straight cylinder pipeline section 9 at end and tapered cylinder pipeline section 10 as pipe with small pipe diameter end, straight cylinder pipeline section 9 and 10 one of tapered cylinder pipeline section Molding.Wherein tapered cylinder pipeline section 10 is that setting is gradually reduced in caliber successively, further:Justify in straight cylinder pipeline section 9 and taper One annular fixed block 1-3 is installed on the taper convex body 1-1 between spool piece 10.The hollow connection tube 1-4 is set in taper On the outer wall of cylinder pipeline section 10 and one end of hollow sleeve is fixed on annular fixed block 1-3.On the inner wall of hollow sleeve It is even to be provided with connection screw thread 1-2.
As shown in Figure 7, Figure 8, the attaching nut 2 is justified by the screw thread 6 being arranged on the outer wall of attaching nut 2 with taper 10 screw thread 6 of spool piece connects.In order to increase the rigidity of attaching nut 2 and convenient for holding and operating, specifically in the outer of attaching nut 2 Annular lug 2-1, the annular lug 2-1 are installed on wall and the outer wall of attaching nut 2 is integrally formed.
As shown in Figure 1, the taper convex body 1-1 by the connection screw thread 1-2 that is arranged on the outer wall of straight cylinder pipeline section 9 with 4 screw thread 6 of Large Diameter Pipeline tubing connects, and tapered cylinder pipeline section 10 is connect by the attaching nut 2 with tubule diameter pipes 5.In order to increase The air-tightness for adding connection is arranged with ring type seal 3 in the junction of attaching nut 2 and tapered cylinder pipeline section 10.Use spanner Taper convex body 1-1 and attaching nut 2 firmly are tightened respectively, for Large Diameter Pipeline tubing 4 by the way that the outer wall in straight cylinder pipeline section 9 is arranged On connection screw thread 1-2 screw threads 6 be connected to one end of taper convex body 1-1, the other end of taper convex body 1-1 then passes through attaching nut Screw thread 6 in 2 is connect with the connection screw thread 1-2 in hollow connection tube 1-4 with tapered cylinder pipeline section 10, realizes two calibers not With tubing connection, it is compact-sized, air-tightness is good, simple and quick.
Embodiment 2
For connect the watertight connector of reduced pipe with it is in embodiment 1 except that:The tapered cylinder pipeline section 10 On structure and used attaching nut 2 structure it is different.As shown in figure 3, on the outer wall of tapered cylinder pipeline section 10 Even to be provided with connection screw thread 1-2, the attaching nut 2 passes through the screw thread 6 and tapered cylinder pipe that are arranged on 2 inner wall of attaching nut Section 10 screw threads 6 connection.As shown in Figure 4, Figure 5, the circular hole 7 in attaching nut 2 is in conical structure and along 7 minimum-value aperture of circular hole Direction extend, the conical structure matches with 10 size of tapered cylinder pipeline section.Further, in order to enhance this connector Air-tightness, annular slotted hole 8 is specifically equipped in the circular hole of conical structure 7, ring packing is installed in the annular slotted hole 8 Circle 3.
As shown in Fig. 2, the taper convex body 1-1 by the connection screw thread 1-2 that is arranged on the outer wall of straight cylinder pipeline section 9 with 4 screw thread 6 of Large Diameter Pipeline tubing connects, and tapered cylinder pipeline section 10 is connect by the attaching nut 2 with tubule diameter pipes 5.In order to increase The air-tightness for adding connection is arranged with ring type seal 3 in attaching nut 2 and the junction of annular fixed block 1-3.
Concrete operations are:First 4 screw thread 6 of Large Diameter Pipeline tubing is connected on the outer wall of straight cylinder and with spanner by taper convex body 1-1 is tightened;Then tubule diameter pipes 5 are inserted into the circular hole 7 of attaching nut 2 and are tightened;Attaching nut 2 is finally sleeved on taper On cylinder pipeline section 10, spanner be used in combination that attaching nut 2 is tightened on taper convex body 1-1.The watertight connector of this structure is real Show the connection of the two different tubing of caliber, it is compact-sized, air-tightness is good, simple and quick.
The taper convex body 1-1 of above-mentioned use, annular fixed block 1-3, hollow connection tube 1-4, attaching nut 2 and annular lug 2-1 can be stainless steel or plastic material.
It these are only the embodiment for illustrating the utility model, be not intended to limit the utility model, for this field For technical staff, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. the watertight connector for connecting reduced pipe, including joint body (1), it is characterised in that:Further include attaching nut (2), the joint body (1) includes the taper convex body (1-1) of inner hollow, and the taper convex body (1-1) includes as big pipe The straight cylinder pipeline section (9) at diameter end and tapered cylinder pipeline section (10) as pipe with small pipe diameter end, straight cylinder pipeline section (9) and tapered cylinder pipe Section (10) is integrally formed;Connection screw thread (1- of the taper convex body (1-1) by setting on the outer wall of straight cylinder pipeline section (9) 2) it is connect with Large Diameter Pipeline tubing (4) screw thread (6), tapered cylinder pipeline section (10) passes through the attaching nut (2) and tubule diameter pipes (5) it connects.
2. the watertight connector according to claim 1 for connecting reduced pipe, it is characterised in that:In straight cylinder pipeline section (9) an annular fixed block (1-3) is installed on the taper convex body (1-1) between tapered cylinder pipeline section (10).
3. the watertight connector according to claim 2 for connecting reduced pipe, it is characterised in that:Tapered cylinder pipeline section (10) connection screw thread (1-2) is evenly arranged on outer wall, the attaching nut (2) is by being arranged in attaching nut (2) inner wall On screw thread (6) connect with tapered cylinder pipeline section (10) screw thread (6), the circular hole (7) in attaching nut (2) be in conical structure And extend along the direction of circular hole (7) minimum-value aperture, the conical structure matches with tapered cylinder pipeline section (10) size.
4. the watertight connector according to claim 3 for connecting reduced pipe, it is characterised in that:In conical structure It is equipped with annular slotted hole (8) in circular hole (7), ring type seal (3) is installed in the annular slotted hole (8).
5. the watertight connector according to claim 2 for connecting reduced pipe, it is characterised in that:The taper convex body (1-1) further includes hollow connection tube (1-4), and the hollow connection tube (1-4) is set on the outer wall of tapered cylinder pipeline section (10) And one end of hollow sleeve is fixed on annular fixed block (1-3), and connection screw thread (1- is evenly arranged in the inner wall of hollow sleeve 2);Screw thread (6) and tapered cylinder pipeline section (10) spiral shell of the attaching nut (2) by setting on the outer wall of attaching nut (2) Line (6) connects.
6. the watertight connector according to claim 1 for connecting reduced pipe, it is characterised in that:In attaching nut (2) Outer wall on annular lug (2-1) is installed, the annular lug (2-1) and the outer wall of attaching nut (2) are integrally formed.
CN201820355792.8U 2018-03-15 2018-03-15 Watertight connector for connecting reduced pipe Active CN208074323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820355792.8U CN208074323U (en) 2018-03-15 2018-03-15 Watertight connector for connecting reduced pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820355792.8U CN208074323U (en) 2018-03-15 2018-03-15 Watertight connector for connecting reduced pipe

Publications (1)

Publication Number Publication Date
CN208074323U true CN208074323U (en) 2018-11-09

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ID=64046136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820355792.8U Active CN208074323U (en) 2018-03-15 2018-03-15 Watertight connector for connecting reduced pipe

Country Status (1)

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CN (1) CN208074323U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180328A (en) * 2018-03-15 2018-06-19 钦州学院 For connecting the watertight connector of reduced pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180328A (en) * 2018-03-15 2018-06-19 钦州学院 For connecting the watertight connector of reduced pipe

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