CN208381582U - High stability corrugated combined compensator - Google Patents

Abstract

The utility model discloses a kind of high stability corrugated combined compensators, including loading pipe, core pipe, sealing gland, anti-decylization, airtight and watertight padding, bellows, adapter tube and ring flat-plate, the core pipe is sleeved on inside loading pipe, it is disposed with anti-decylization from inside to outside between the loading pipe and core pipe, airtight and watertight padding and sealing gland, the loading pipe and core pipe outer surface are separately connected annulate lamella, the ring flat-plate is respectively connected with adapter tube, it is described to take over the both ends for being connected to the bellows for being sleeved on loading pipe and core pipe surface, the utility model realizes double sealing structure, and first of sealing has self-tightening performance, pipeline is realized in axial direction and spins up compensation, effectively increase bellows stability, prevent product premature failure, product easy access and reinforcing sealing.

Description

High stability corrugated combined compensator

Technical field

The utility model relates to bellows expansion joint field, the tool being combined more particularly to a kind of sleeve and bellows There is the compensator for preventing letting out, axial direction and turn compensate.

Background technique

It is important that metal corrugated pipe expansion joint is widely used in the national economy such as electric power, metallurgy, chemical industry, building, food, pharmacy Industry, with compensation conduit system because of the displacement for generation of expanding with heat and contract with cold.Sleeve expansion joint is for compensating pipeline because of medium temperature Piping displacement caused by changing, relative to FlexbleJoint, sleeve expansion joint is to have very much on solving the problems, such as impact of water hammer Effect, in order to be safely operated heat distribution pipe network, leakage problem becomes more important, common sleeve expansion joint, seals for single-chamber, tolerance High temperature, high pressure ability are relatively weak, are easy to happen leakage.When medium is high-temperature steam, single entry seal chamber leakage problem is especially It is prominent, using the reciprocating hermetic of superposition bellows and sleeve, the reliability of sealing can be improved, to solve high temperature, high steam Pipe network provides a kind of ideal compensation device, in the actual moving process of pipeline, typically nose balance, but certain Special occasions, in addition the influence of mechanical erection error and pipe arrangement structure, there is also a small amount of rotation direction torques, to be easy to draw Play outer cover ripple tube failure；And use the compound form of double-sleeve structure, then in processing and installation there are coaxial precision problem, And product structure is complicated；The utility model is namely based on the Technological improvement plan that above situation is made.

Utility model content

The shortcomings that the utility model is overcome in the prior art provides a kind of high stability corrugated combined compensation Device.

Realize the technical solution of the utility model aim are as follows: a kind of high stability corrugated combined compensator, packet Loading pipe, core pipe, sealing gland, anti-decylization, airtight and watertight padding, bellows, adapter tube and ring flat-plate are included, the core pipe is sleeved on loading pipe Inside is disposed with anti-decylization, airtight and watertight padding and sealing gland, the filler from inside to outside between the loading pipe and core pipe Pipe and core pipe outer surface are separately connected annulate lamella, and the ring flat-plate is respectively connected with adapter tube, and the adapter tube, which is connected to be sleeved on, to be filled out The both ends of the bellows on expects pipe and core pipe surface.

Preferably, the high stability corrugated combined compensator further includes packing press ring and pressure spring, the filler pressure Ring and pressure spring are arranged between loading pipe and core pipe, and airtight and watertight padding is successively arranged in the packing press ring and pressure spring from inside to outside Between sealing gland.

Preferably, the high stability corrugated combined compensator further includes armour ring, and the armour ring is fixed on bellows In the annular groove of outer surface.

Preferably, the high stability corrugated combined compensator further includes round steel ring, and the round steel ring is arranged in core Tube outer surface and be located at anti-decylization on the left of.

Preferably, the high stability corrugated combined compensator further includes Taper Pipe, and the Taper Pipe is connected to loading pipe Left-hand end.

Preferably, the high stability corrugated combined compensator further includes rotary sealing appts, the rotatory sealing Device is arranged between core pipe and ring flat-plate.

Preferably, the rotary sealing appts include sealing ring flat-plate, sealing baffle, sealing material and sealing bolt, described close Seal ring plate is fixedly connected on ring flat-plate, slidably connects between the ring flat-plate and core pipe, between sealing ring flat-plate and the core pipe It is slidably equipped with sealing baffle, the sealing ring flat-plate, sealing baffle, core pipe and ring flat-plate form seal chamber, set in the seal chamber There is sealing material, described sealing bolt one end is connected to sealing baffle, and the other end passes through the sealing material and is fixed on ring flat-plate.

Preferably, the high stability corrugated combined compensator further includes gusset, and the gusset is respectively used to reinforce Bonding strength between ring flat-plate and loading pipe, between ring flat-plate and sealing ring flat-plate.

The utility model compared with prior art, remarkable advantage: anti-decylization, airtight and watertight padding, packing press ring, pressure spring and close Sealed cover constitutes first of sealing, and pressure spring has the effect of stabilized seal performance, bellows, adapter tube, ring flat-plate and rotatory sealing Device is built into second sealing, to realize double sealing structure；Since core pipe itself can retreat and rotate, then pass through Bellows and rotary sealing appts may be implemented pipeline in axial direction and the compensation spun up, adapted to pipeline particular application Under demand；Product, which is equipped with armour ring, can effectively improve bellows stability, and it is pre- effectively to control compensation rate equipped with round steel ring Anti- product premature failure is equipped with sealing bolt convenient for product and further overhauls and reinforce sealing.

The utility model is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Specific embodiment

As shown in Figure 1, a kind of high stability corrugated combined compensator, including loading pipe 2, core pipe 13, sealing gland 7, anti-decylization 4, airtight and watertight padding 5, packing press ring 6, pressure spring 14, bellows 8, adapter tube 10 and ring flat-plate 11, the core pipe 13 are sleeved on Inside loading pipe 2, anti-decylization 4, airtight and watertight padding 5, filler pressure are disposed between the loading pipe 2 and core pipe 13 from inside to outside Ring 6, pressure spring 14 and sealing gland 7, the loading pipe 2 and 13 outer surface of core pipe are separately connected annulate lamella 11, and the ring flat-plate 11 is It is connected with adapter tube 10, the adapter tube 10 is connected to the both ends for being sleeved on the bellows 8 on 13 surface of loading pipe 2 and core pipe.

The high stability corrugated combined compensator further includes rotary sealing appts, the rotary sealing appts setting Between core pipe 13 and ring flat-plate 11, the rotary sealing appts include sealing ring flat-plate 16, sealing baffle 18, sealing material 17 and sealing Bolt 19, the sealing ring flat-plate 16 are fixedly connected on ring flat-plate 11, slidably connect between the ring flat-plate 11 and core pipe 13, institute It states and is slidably equipped with sealing baffle 18, the sealing ring flat-plate 16, sealing baffle 18, core pipe 13 between sealing ring flat-plate 16 and core pipe 13 Seal chamber is formed with ring flat-plate 11, is equipped with sealing material 17 in the seal chamber, described 19 one end of sealing bolt is connected to sealing baffle 18, the other end passes through the sealing material 17 and is fixed on ring flat-plate 11.

The high stability corrugated combined compensator further includes gusset 12, armour ring 9, round steel ring 3 and Taper Pipe 1, described Gusset 12 is respectively used between enforced loop plane 11 and loading pipe 2, the bonding strength between ring flat-plate 11 and sealing ring flat-plate 16, the armour Ring 9 is fixed in 8 outer surface annular groove of bellows, and the setting of round steel ring 3 is in 13 outer surface of core pipe and is located at 4 left side of anti-decylization Side, the Taper Pipe 1 are connected to the left-hand end of loading pipe 2.

In the present embodiment, anti-decylization 4, airtight and watertight padding 5, packing press ring 6, pressure spring 14 and sealing gland 7 are constituted first Sealing, and pressure spring 14 has the effect of stabilized seal performance, bellows 8, adapter tube 10, ring flat-plate 11 and rotary sealing appts are built into the Two sealings, to realize double sealing structure；Since core pipe 13 itself can retreat and rotate, then pass through 8 He of bellows Rotary sealing appts may be implemented pipeline in axial direction and the compensation spun up, adapt to the demand under pipeline particular application； Product, which is equipped with armour ring 9, can effectively improve bellows stability, can effectively control compensation rate prevention product equipped with round steel ring 3 and mention Preceding failure is equipped with sealing bolt 19 convenient for product and further overhauls and reinforce sealing.

Other than the above embodiments, other not described embodiments should be also within the protection scope of the utility model. Specific embodiment as described herein is only to give an example to the spirit of the present invention, the utility model technical field Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but Without departing from the spirit of the present application or beyond the scope of the appended claims.Although herein through specific Term is illustrated, but a possibility that be not excluded for using other terms, the use of these items is only for easily describing and Explain the essence of the utility model, being construed as any additional limitation is disagreed with the spirit of the present invention 's.

Claims (6)

1. a kind of high stability corrugated combined compensator, which is characterized in that including loading pipe (2), core pipe (13), sealing pressure (7), anti-decylization (4), airtight and watertight padding (5), bellows (8), adapter tube (10) and ring flat-plate (11) are covered, the core pipe (13), which is sleeved on, fills out Expects pipe (2) is internal, is disposed with anti-decylization (4), airtight and watertight padding from inside to outside between the loading pipe (2) and core pipe (13) (5) it is separately connected annulate lamella (11) with sealing gland (7), the loading pipe (2) and core pipe (13) outer surface, the ring flat-plate (11) It is respectively connected with adapter tube (10), the adapter tube (10) is connected to the bellows for being sleeved on loading pipe (2) and core pipe (13) surface (8) both ends.

2. a kind of high stability corrugated combined compensator according to claim 1, which is characterized in that the high stable Property corrugated combined compensator further include packing press ring (6) and pressure spring (14), the packing press ring (6) and pressure spring (14) setting Between loading pipe (2) and core pipe (13), and sealing is successively arranged in from inside to outside and fills out for the packing press ring (6) and pressure spring (14) Expect between (5) and sealing gland (7).

3. high stability corrugated combined compensator according to claim 1, which is characterized in that the high stability set Tube wave line combined compensator further includes armour ring (9), and the armour ring (9) is fixed in the annular groove of bellows (8) outer surface.

4. high stability corrugated combined compensator according to claim 1, which is characterized in that the high stability set Tube wave line combined compensator further includes round steel ring (3), and round steel ring (3) setting is in core pipe (13) outer surface and is located at anti-decylization (4) left side.

5. high stability corrugated combined compensator according to claim 1, which is characterized in that the high stability set Tube wave line combined compensator further includes Taper Pipe (1), and the Taper Pipe (1) is connected to the left-hand end of loading pipe (2).

6. a kind of high stability corrugated combined compensator according to claim 1, which is characterized in that the high stable Property corrugated combined compensator further include rotary sealing appts, the rotary sealing appts are arranged in core pipe (13) and ring flat-plate (11) between.