CN209213251U - A kind of bellows easy to assembly - Google Patents

Abstract

The utility model relates to a kind of bellowss easy to assembly, including ripple tube body, the both ends of ripple tube body are bonded with ring flange, the outside of ripple tube body is socketed with protecting tube, the both ends of protecting tube, which pass through, is welded with clamping pipe, the inner surface of clamping pipe is bonded with backing plate, and the inside of backing plate is equipped with limit spring, and backing plate is connected with positioning plate by limit spring；Ripple tube body is protected by the protecting tube of outside socket, the both ends of ripple tube body are fixed on the inside of clamping pipe by backing plate, limit spring and positioning plate simultaneously, limit spring passes through elastic deformation, so that positioning plate is close to the outer surface at ripple tube body both ends, retention bead is fastened on the inside of limiting slot simultaneously, so that ripple tube body is contracted in the inside of protecting tube, protection of the protecting tube to ripple tube body is increased, increases the safety that ripple tube body uses.

Description

A kind of bellows easy to assembly

Technical field

The utility model belongs to Bellows Technology field, and in particular to a kind of bellows easy to assembly.

Background technique

Bellows refers to that bellows is mainly used in compensation pipes with along the component for folding wrinkle piece progress folding retractable The effects of thermal deformation, damping, absorption line sedimentation and deformation, it is widely used in petrochemical industry, instrument, space flight, chemical industry, electric power, cement, smelting The industries such as gold.

Existing bellows during use, bellows have folding retractable position it is more soft, be easy by External compression increases the damage of bellows so that deformation occurs for bellows, while airtight performance difference is asked when bellows connects Topic.

Utility model content

To solve the above-mentioned problems in the prior art, the utility model provides a kind of bellows easy to assembly, tool It is high there is bellows usage safety performance, while connecting the good feature of airtight performance.

To achieve the above object, the utility model provides the following technical solutions: a kind of bellows easy to assembly, including wave Line tube body, the both ends of the ripple tube body are bonded with ring flange, and the outside of the ripple tube body is socketed with protecting tube, The both ends of the protecting tube, which pass through, is welded with clamping pipe, and the inner surface of the clamping pipe is bonded with backing plate, the backing plate Inside limit spring is installed, the backing plate is connected with positioning plate by limit spring, and the table close to backing plate is managed in the clamping Face is bonded with retention bead, and the both ends of the ripple tube body offer limiting slot, and the retention bead is fastened on limiting slot Inside, the ring flange one end engaging have sealing ring.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the surface of described ring flange one end Mounting groove is offered, the sealing ring is fastened on the inside of mounting groove, and the sealing ring is internally provided with cavity, the sealing Ring is double circular ring structures, and the section of sealing ring is U-shaped structure.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the ripple tube body are wave Shape tubular structure.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the backing plate and positioning plate are / 5th ring structures, and there are five the limit spring between backing plate and positioning plate is respectively provided with.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the retention bead are blocky knot Structure, it is each it is described clamping pipe internal surface retention bead be arranged altogether there are four.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the protecting tube are tubulose knot Structure, the one third with a thickness of clamping tube wall thickness of the protection tube wall.

The bellows optimal technical scheme easy to assembly as one kind of the utility model, the ring flange are ring junction Structure, and the surface of ring flange offers circular hole.

Compared with prior art, the utility model has the beneficial effects that

(1) ripple tube body is protected by the protecting tube of outside socket, while the both ends of ripple tube body pass through pad Plate, limit spring and positioning plate are fixed on the inside of clamping pipe, and limit spring is by elastic deformation, so that positioning plate is close to ripple The outer surface at tube body both ends, while retention bead is fastened on the inside of limiting slot, so that ripple tube body is contracted in protecting tube Inside, increase protection of the protecting tube to ripple tube body, increase the safety that ripple tube body uses.

(2) sealing ring is fastened on inside the mounting groove that ring flange end surface opens up, and increases the convenience of sealing ring installation, The sealing ring of double circular ring structures simultaneously, improves the stability that sealing ring is fastened on inside mounting groove, increases sealing ring and flange The fixing of disk connection, while the cavity being arranged inside sealing ring, improve the elastically-deformable intensity of sealing ring, increase bellows sheet Airtightness when body is connect with equipment increases the convenience that ripple tube body uses.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of the utility model；

Fig. 2 is ring flange, clamping pipe and seal ring structure schematic diagram in the utility model；

Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A；

Fig. 4 is that clamping pipe, backing plate, limit spring, the positioning plate in the utility model be red and retention bead structural schematic diagram；

Fig. 5 is the enlarged structure schematic diagram in Fig. 4 at B；

In figure: 1, ripple tube body；2, ring flange；3, clamping pipe；4, protecting tube；5, backing plate；6, limit spring；7, it positions Plate；8, retention bead；9, limiting slot；10, sealing ring；11, cavity；12, mounting groove.

Specific embodiment

In conjunction with Fig. 1-5, the bellows easy to assembly of the utility model includes ripple tube body 1, and the two of ripple tube body 1 End is bonded with ring flange 2, and the outside of ripple tube body 1 is socketed with protecting tube 4, and the both ends of protecting tube 4, which pass through, to be welded and fixed There is clamping pipe 3, the inner surface of clamping pipe 3 is bonded with backing plate 5, and the inside of backing plate 5 is equipped with limit spring 6, and backing plate 5 passes through limit Spring 6 is connected with positioning plate 7, and being clamped pipe 3 close to the surface bonding of backing plate 5 has retention bead 8, and the both ends of ripple tube body 1 are equal Limiting slot 9 is offered, retention bead 8 is fastened on the inside of limiting slot 9, and one end engaging of ring flange 2 has sealing ring 10.

In the present embodiment, ripple tube body 1 is protected by the protecting tube 4 of external socket, while ripple tube body 1 Both ends the inside of clamping pipe 3 is fixed on by backing plate 5, limit spring 6 and positioning plate 7, limit spring 6 by elastic deformation, So that positioning plate 7 is close to the outer surface at 1 both ends of ripple tube body, while retention bead 8 is fastened on the inside of limiting slot 9, so that Ripple tube body 1 is contracted in the inside of protecting tube 4, increases protection of the protecting tube 4 to ripple tube body 1, increases bellows sheet The safety that body 1 uses.

Specifically, the surface of 2 one end of ring flange offers mounting groove 12, sealing ring 10 is fastened on the inside of mounting groove 12, Sealing ring 10 is internally provided with cavity 11, and sealing ring 10 is double circular ring structures, and the section of sealing ring 10 is U-shaped structure.

In the present embodiment, sealing ring 10 is fastened on inside the mounting groove 12 that 2 end surface of ring flange opens up, and increases sealing ring The convenience of 10 installations, while the sealing ring 10 of double circular ring structures, improve sealing ring 10 be fastened on it is steady inside mounting groove 12 It is qualitative, increase the fixing that sealing ring 10 is connect with ring flange 2, while the cavity 11 being arranged inside sealing ring 10, improves sealing The elastically-deformable intensity of ring 10 increases airtightness when ripple tube body 1 is connect with equipment, increases what ripple tube body 1 used Convenience.

Specifically, ripple tube body 1 is waveform tubular structure.

In the present embodiment, the ripple tube body 1 of waveform tubular structure, so that ripple tube body 1 carries out folding retractable.

Specifically, backing plate 5 and positioning plate 7 are 1/5th ring structures, and the limit between backing plate 5 and positioning plate 7 There are five spring 6 is respectively provided with.

In the present embodiment, by the backing plate 5 and positioning plate 7 of 1/5th ring structures, while backing plate 5 and positioning plate 7 it Between limit spring 6 be respectively provided with there are five, increase the stability that contacts with ripple tube body 1 of positioning plate 7.

Specifically, retention bead 8 is block structure, the retention bead 8 of each clamping 3 inner surface of pipe is altogether there are four settings.

In the present embodiment, by the retention bead 8 of block structure, increases retention bead 8 and be fastened on inside limiting slot 9 just Victory.

Specifically, protecting tube 4 be tubular structure, 4 tube wall of protecting tube with a thickness of clamping 3 pipe thickness of pipe three/ One.

In the present embodiment, protecting tube 4 be tubular structure, and 4 tube wall of protecting tube with a thickness of clamping 3 pipe thickness of pipe three / mono-, increase the convenience that clamping pipe 3 is mounted on 1 both ends of ripple tube body.

Specifically, ring flange 2 is ring structure, and the surface of ring flange 2 offers circular hole.

In the present embodiment, in order to reduce the difficulty of the connection of ring flange 2.

The working principle and process for using of the utility model: in use, user is external equipment and the two of ripple tube body 1 End connection, sealing ring 10 is squeezed at this time and deformation occurs, so that working as wave between 10 fixed flange 2 of sealing ring and equipment When the equipment of 1 one end of line tube body needs mobile, ring flange 2 is pulled down, so that one end of ripple tube body 1 is separated with clamping pipe 3, Retention bead 8 and limiting slot 9 separate simultaneously, and positioning plate 7 is separated with the surface of ripple tube body 1, while ripple tube body 1 carries out Folding stretching, when 1 one end of ripple tube body equipment when not in use, ripple tube body 1 is carried out folding shrinking, while bellows 1 one end of ontology is fastened on the inside of clamping pipe 3, and retention bead 8 is fastened on the inside of limiting slot 9 at this time, and limit spring 6 makes fixed Position plate 7 is close to the outer surface of ripple tube body 1.

Elaborate many details in the above description in order to fully understand the utility model.But above description It is only the preferred embodiment of the utility model, the utility model can be come with being much different from other way described herein Implement, therefore the utility model is not limited by specific implementation disclosed above.Any those skilled in the art exist simultaneously It does not depart under technical solutions of the utility model ambit, it is all practical new to this using the methods and technical content of the disclosure above Type technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.It is all without departing from this The content of utility model technical solution any is simply repaired according to the technical essence of the utility model is made to the above embodiment Change, equivalent variations and modification, in the range of still falling within technical solutions of the utility model protection.

Claims (7)

1. a kind of bellows easy to assembly, including ripple tube body (1), it is characterised in that: the two of the ripple tube body (1) End is bonded with ring flange (2), and the outside of the ripple tube body (1) is socketed with protecting tube (4), and the two of the protecting tube (4) End is by being welded with clamping pipe (3), and the inner surface of the clamping pipe (3) is bonded with backing plate (5), the backing plate (5) Inside is equipped with limit spring (6), and the backing plate (5) is connected with positioning plate (7) by limit spring (6), and (3) are managed in the clamping Surface bonding close to backing plate (5) has retention bead (8), and the both ends of the ripple tube body (1) offer limiting slot (9), The retention bead (8) is fastened on the inside of limiting slot (9), and one end engaging of the ring flange (2) has sealing ring (10).

2. one kind according to claim 1 bellows easy to assembly, it is characterised in that: described ring flange (2) one end Surface offers mounting groove (12), and the sealing ring (10) is fastened on the inside of mounting groove (12), the sealing ring (10) it is interior Portion is provided with cavity (11), and the sealing ring (10) is double circular ring structures, and the section of sealing ring (10) is U-shaped structure.

3. one kind according to claim 1 bellows easy to assembly, it is characterised in that: the ripple tube body (1) is Waveform tubular structure.

4. one kind according to claim 1 bellows easy to assembly, it is characterised in that: the backing plate (5) and positioning plate It (7) is 1/5th ring structures, and there are five the limit spring (6) between backing plate (5) and positioning plate (7) is respectively provided with.

5. one kind according to claim 1 bellows easy to assembly, it is characterised in that: the retention bead (8) is block Shape structure, the retention bead (8) of each described clamping pipe (3) inner surface is altogether there are four settings.

6. one kind according to claim 1 bellows easy to assembly, it is characterised in that: the protecting tube (4) is tubulose Structure, the one third with a thickness of clamping pipe (3) pipe thickness of protecting tube (4) tube wall.

7. one kind according to claim 1 bellows easy to assembly, it is characterised in that: the ring flange (2) is annular Structure, and the surface of ring flange (2) offers circular hole.