CN208634627U - A kind of bellows expansion joint - Google Patents

A kind of bellows expansion joint Download PDF

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Publication number
CN208634627U
CN208634627U CN201821061010.6U CN201821061010U CN208634627U CN 208634627 U CN208634627 U CN 208634627U CN 201821061010 U CN201821061010 U CN 201821061010U CN 208634627 U CN208634627 U CN 208634627U
Authority
CN
China
Prior art keywords
support bar
strut
fastening bolt
attachment base
expansion joint
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
CN201821061010.6U
Other languages
Chinese (zh)
Inventor
李曦
申大伟
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.)
Luoyang Meibo Industry And Trade Co Ltd
Original Assignee
Luoyang Meibo Industry And Trade 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 Luoyang Meibo Industry And Trade Co Ltd filed Critical Luoyang Meibo Industry And Trade Co Ltd
Priority to CN201821061010.6U priority Critical patent/CN208634627U/en
Application granted granted Critical
Publication of CN208634627U publication Critical patent/CN208634627U/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 bellows expansion joints, including flanged joint ring, first fastening bolt and convex block, bellows is installed on the inside of the flanged joint ring, and attachment base is installed on the outside of flanged joint ring, the adjusting sleeve is connected with each other by connecting rod and attachment base, and it adjusts and is separately installed with first support bar and second support bar on the inside of sleeve, the convex block is located at the inside of mounting groove, and convex block is connected with each other by reset spring and mounting groove, the junction of first strut and the second strut is equipped with the second fastening bolt, and second is connected with nut in fastening bolt.The bellows expansion joint, first support bar and second support bar constitute stretching structure with the first strut and the second strut respectively, it is convenient to complete that bellows expansion joint is fixed after axial, lateral position in bellows expansion joint, to facilitate the regulating effect for keeping the bellows expansion joint.

Description

A kind of bellows expansion joint
Technical field
The utility model relates to expansion joint technical field, specially a kind of bellows expansion joint.
Background technique
Bellows expansion joint is also known as expansion joint, is traditionally also compensator or telescopic joint or compensation pipes, conduit, container Deng axial, transverse direction and angular displacement commonly used in the connection between two pipelines improve the flexibility of connection.
Existing bellows expansion joint is after completing axial, transverse direction and angular displacement, it has not been convenient to which bellows expansion joint exists It completes progress position after adjusting to fix, to be easy to cause displacement failure of adjustment, reduces the accuracy that pipeline location is put. In view of the above-mentioned problems, carrying out innovative design on the basis of original blender.
Utility model content
The purpose of this utility model is to provide a kind of bellows expansion joints, mentioned above in the background art existing to solve Some bellows expansion joints are after completing axial, transverse direction and angular displacement, it has not been convenient to which bellows expansion joint completes adjusting Laggard line position sets fixation, thus the problem of being easy to cause displacement failure of adjustment, reducing the accuracy that pipeline location is put.
To achieve the above object, the utility model provides the following technical solutions: a kind of bellows expansion joint, including flange connects Ring, the first fastening bolt and convex block are connect, bellows, and the outside peace of flanged joint ring are installed on the inside of the flanged joint ring Equipped with attachment base, it is provided with adjusting sleeve on the inside of the attachment base, and adjusts and connecting rod, the tune is installed on the outside of sleeve It saves sleeve to be connected with each other by connecting rod and attachment base, and adjusts and be separately installed with first support bar and second on the inside of sleeve Strut, first fastening bolt is located at the outside of first support bar and second support bar, and the first fastening bolt passes through connection Seat, connecting rod and adjusting sleeve are connected with each other with first support bar and second support bar respectively, the first support bar and second It is connected separately with the first strut and the second strut on the inside of support rod, and offers through-hole in first support bar, and first Mounting groove is reserved on bar, the convex block is located at the inside of mounting groove, and convex block is connected with each other by reset spring and mounting groove, The junction of first strut and the second strut is equipped with the second fastening bolt, and is connected with nut in the second fastening bolt.
Preferably, the attachment base is U shape structure, and attachment base is in flanged joint ring spaced at equal angles around, and Attachment base is fixedly connected with flanged joint ring, is adjusted sleeve by connecting rod and attachment base and is constituted rotational structure, during connecting rod is Hollow structure.
Preferably, the first support bar is identical as second support bar structure, and first support bar and second support bar are equal For hollow structure, and through-hole is equidistantly distributed in first support bar and second support bar.
Preferably, there are two the number settings of first fastening bolt, and 2 the first fastening bolts are about adjusting sleeve Longitudinal centre line it is symmetrical, and the first fastening bolt is threadedly coupled with attachment base, and the diameter of the first fastening bolt is less than The aperture of connecting rod.
Preferably, first strut and the second strut internal structure are identical, and the first strut and the second strut respectively with First support bar and second support bar constitute stretching structure, and the right end of the first strut is " convex " font structure, the second strut Left end be U shape structure, the first strut and the second strut are with the second fastening bolt through connection.
Preferably, the convex block is connected together with through-hole, and convex block constitutes stretching structure by reset spring and mounting groove.
Compared with prior art, the utility model has the beneficial effects that the bellows expansion joint, is conveniently adjusted completion Expansion joint carries out angle and position is fixed,
1, first support bar and second support bar constitute stretching structure with the first strut and the second strut respectively, convenient in wave Line pipe expansion joint completes that bellows expansion joint is fixed after axial, lateral position, keeps the bellows to facilitate The regulating effect of expansion joint;
2, facilitate the first strut and the second strut through the second fastening bolt is connected between the first strut and the second strut Between rotated by the second fastening bolt, be conducive to the angular displacement for maintaining the bellows expansion joint, avoid the bellows Extra angle offset occurs for expansion joint, improves the accuracy that the bellows expansion joint carries out angular displacement adjusting;
3, first support bar and second support bar can carry out angular adjustment adjusting in sleeve, facilitate and meet the bellows Expansion joint carries out angular displacement to different directions, meets different angle connection needs, improves the bellows expansion joint Practicability.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the utility model attachment base mounting structure schematic diagram;
Fig. 3 is the utility model first support bar and the first fastening bolt attachment structure schematic diagram;
Fig. 4 is the utility model first support bar and the first strut attachment structure schematic diagram;
Fig. 5 is the first strut of the utility model and the second strut attachment structure schematic diagram.
In figure: 1, flanged joint ring;2, bellows;3, attachment base;4, sleeve is adjusted;5, connecting rod;6, first support bar; 7, second support bar;8, the first fastening bolt;9, the first strut;10, the second strut;11, through-hole;12, mounting groove;13, it resets Spring;14, convex block;15, the second fastening bolt;16, nut.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of bellows expansion joint, including flanged joint Ring 1, the first fastening bolt 8 and convex block 14, the inside of flanged joint ring 1 are equipped with bellows 2, and the outside of flanged joint ring 1 Attachment base 3 is installed, attachment base 3 is U shape structure, and attachment base 3 is in 1 spaced at equal angles around of flanged joint ring, and even Joint chair 3 is fixedly connected with flanged joint ring 1, is adjusted sleeve 4 by connecting rod 5 and attachment base 3 and is constituted rotational structure, connecting rod 5 For hollow structure, adjusting sleeve 4 is facilitated to be rotated by connecting rod 5, the inside of attachment base 3, which is provided with, adjusts sleeve 4, and adjusts The outside of section sleeve 4 is equipped with connecting rod 5, adjusts sleeve 4 and is connected with each other by connecting rod 5 and attachment base 3, and adjusts sleeve 4 Inside be separately installed with first support bar 6 and second support bar 7, first support bar 6 is identical as 7 structure of second support bar, and First support bar 6 and second support bar 7 are hollow structure, and equidistant point in first support bar 6 and second support bar 7 It is furnished with through-hole 11, the first strut 9 and the second strut 10 is facilitated to be installed in first support bar 6 and the inside of second support bar 7;
First fastening bolt 8 is located at the outside of first support bar 6 and second support bar 7, and the first fastening bolt 8 passes through and connects Joint chair 3, connecting rod 5 and adjusting sleeve 4 are connected with each other with first support bar 6 and second support bar 7 respectively, the first fastening bolt 8 Number setting there are two, and 2 the first fastening bolts 8 are symmetrical about the longitudinal centre line for adjusting sleeve 4, and first Fastening bolt 8 is threadedly coupled with attachment base 3, and the diameter of the first fastening bolt 8 is less than the aperture of connecting rod 5, is conducive to adjusting The first strut 9 and the second strut 10 in sleeve 4 are fixed, and the inside of first support bar 6 and second support bar 7 is separately connected There are the first strut 9 and the second strut 10, and offer through-hole 11 in first support bar 6, inside the first strut 9 and the second strut 10 Structure is identical, and the first strut 9 and the second strut 10 constitute stretching structure with first support bar 6 and second support bar 7 respectively, and And first the right end of strut 9 be " convex " font structure, the left end of the second strut 10 is U shape structure, the first strut 9 and the Two struts 10 with the second fastening bolt 15 through connection, facilitate the first strut 9 and the second strut 10 respectively with first support bar 6 Telescopic adjustment is carried out with second support bar 7, and is reserved with mounting groove 12 on the first strut 9;
Convex block 14 is located at the inside of mounting groove 12, and convex block 14 is connected with each other by reset spring 13 and mounting groove 12, convex Block 14 is connected together with through-hole 11, and convex block 14 constitutes stretching structure by reset spring 13 and mounting groove 12, is conducive to first Strut 9 and the second strut 10 are fixed with first support bar 6 and second support bar 7 respectively by convex block 14 and through-hole 11, the The junction of one strut 9 and the second strut 10 is equipped with the second fastening bolt 15, and is connected with nut in the second fastening bolt 15 16。
The bellows expansion joint: according to Fig. 1-4, being attached by flanged joint ring 1 with pipeline by working principle first, When needing to carry out stretching adjusting to the bellows expansion joint, it is only necessary to be manually pressed by convex block 14, convex block 14 drives reset spring 13 retract in mounting grooves 12, until convex block 14 is disconnected with through-hole 11, at this time manually by the first strut 9 and the second strut 10 from The inside of first support bar 6 and second support bar 7 pulls extraction, until in convex block 14 and first support bar 6 and second support bar 7 Through-hole 11 realign, convex block 14 stretches out mounting groove 12 under the drive of reset spring 13 at this time, thus convex block 14 again with Through-hole 11 is attached, the first strut 9 and the second strut 10 extracted out out of first support bar 6 and second support bar 7 at this time Fixation is arrived, so that the bellows expansion joint also completes stretching;
According to Fig. 1-5, when needing to carry out angular displacement adjusting to the bellows expansion joint, it is only necessary to unscrew the first fastening Bolt 8 and the second fastening bolt 15 then revolve first support bar 6 and second support bar 7 in the inside for adjusting sleeve 4 Turn, until second fastening bolt 15 is towards curved direction is needed at the 3 of 2 outside of bellows, then either manually or by flanged joint Ring 1 carries out bellows 2 to break winding song, and at this time under the drive of flanged joint ring 1, the first strut 9 and the second strut 10 pass through Second fastening bolt 15 is rotated, so that bending is formed between the first strut 9 and the second strut 10, and the first strut 9 and the Two struts 10 also drive first support bar 6 and second support bar 7 to be revolved in attachment base 3 by adjusting sleeve 4 and connecting rod 5 Turn, facilitates the angular displacement for adapting to the bellows expansion joint, after the angular displacement adjusting of the bellows expansion joint terminates, hand Dynamic the first fastening bolt 8 tightened on attachment base 3, so that the first fastening bolt 8, which passes through connecting rod 5 and adjusts sleeve 4, holds out against the Then one support rod 6 and second support bar 7 tighten the second fastening bolt 15,15 He of the second fastening bolt either manually or by nut 16 The U shape structure for being matched for clamping tightly 10 left end of the second strut between nut 16, thus the U shape of 10 left end of the second strut " convex " font structure of clamping first strut, 9 right end of structure, and then the bending to being formed between the first strut 9 and the second strut 10 Angle is fixed, and such a bellows expansion joint is convenient for people to use.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of bellows expansion joint, including flanged joint ring (1), the first fastening bolt (8) and convex block (14), feature exists In: it is equipped with bellows (2) on the inside of the flanged joint ring (1), and attachment base is installed on the outside of flanged joint ring (1) (3), it is provided on the inside of the attachment base (3) and adjusts sleeve (4), and adjusted and connecting rod (5) are installed on the outside of sleeve (4), The adjusting sleeve (4) is connected with each other by connecting rod (5) and attachment base (3), and is adjusted and be separately installed on the inside of sleeve (4) First support bar (6) and second support bar (7), first fastening bolt (8) are located at first support bar (6) and second support bar (7) outside, and the first fastening bolt (8) passes through attachment base (3), connecting rod (5) and adjusting sleeve (4) and supports respectively with first Bar (6) and second support bar (7) are connected with each other, and are connected separately on the inside of the first support bar (6) and second support bar (7) First strut (9) and the second strut (10), and through-hole (11) are offered in first support bar (6), and pre- on the first strut (9) There are mounting groove (12), the convex block (14) is located at the inside of mounting groove (12), and convex block (14) by reset spring (13) with Mounting groove (12) is connected with each other, and the junction of first strut (9) and the second strut (10) is equipped with the second fastening bolt (15), it and in the second fastening bolt (15) is connected with nut (16).
2. a kind of bellows expansion joint according to claim 1, it is characterised in that: the attachment base (3) is U shape Structure, and attachment base (3) is in flanged joint ring (1) spaced at equal angles around, and attachment base (3) and flanged joint ring (1) are fixed Connection adjusts sleeve (4) by connecting rod (5) and attachment base (3) and constitutes rotational structure, and connecting rod (5) is hollow structure.
3. a kind of bellows expansion joint according to claim 1, it is characterised in that: the first support bar (6) and second Support rod (7) structure is identical, and first support bar (6) and second support bar (7) are hollow structure, and first support bar (6) and through-hole (11) are equidistantly distributed on second support bar (7).
4. a kind of bellows expansion joint according to claim 1, it is characterised in that: of first fastening bolt (8) There are two number settings, and 2 the first fastening bolts (8) are symmetrical about the longitudinal centre line for adjusting sleeve (4), and first Fastening bolt (8) is threadedly coupled with attachment base (3), and the diameter of the first fastening bolt (8) is less than the aperture of connecting rod (5).
5. a kind of bellows expansion joint according to claim 1, it is characterised in that: first strut (9) and second Bar (10) internal structure is identical, and the first strut (9) and the second strut (10) respectively with first support bar (6) and second support bar (7) stretching structure is constituted, and the right end of the first strut (9) is " convex " font structure, the left end of the second strut (10) is " recessed " Font structure, the first strut (9) and the second strut (10) are with the second fastening bolt (15) through connection.
6. a kind of bellows expansion joint according to claim 1, it is characterised in that: the convex block (14) and through-hole (11) are blocked Connection is closed, and convex block (14) constitutes stretching structure by reset spring (13) and mounting groove (12).
CN201821061010.6U 2018-07-05 2018-07-05 A kind of bellows expansion joint Expired - Fee Related CN208634627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821061010.6U CN208634627U (en) 2018-07-05 2018-07-05 A kind of bellows expansion joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821061010.6U CN208634627U (en) 2018-07-05 2018-07-05 A kind of bellows expansion joint

Publications (1)

Publication Number Publication Date
CN208634627U true CN208634627U (en) 2019-03-22

Family

ID=65736877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821061010.6U Expired - Fee Related CN208634627U (en) 2018-07-05 2018-07-05 A kind of bellows expansion joint

Country Status (1)

Country Link
CN (1) CN208634627U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190322

Termination date: 20190705

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