A kind of vibration proof sealed fitting device
Technical field
The present invention relates to pipe joint technical field, more particularly to a kind of vibration proof sealed fitting device.
Background technology
Pipe joint, particularly significant and common during the use of daily pipeline, key is played in the connection to various pipelines
Effect, the installation, collection and transport of pipeline are especially easy for, and save the use cost of pipeline, without single one
Root pipe, waste and old or local damage pipe, the utilization of processing progress again can be passed through, save the energy.
In the connection procedure of pipeline, especially in the connection procedure of high-pressure rubber pipe, vibrationproof performance and sealing to pipeline
Performance requirement is higher, because high-pressure rubber pipe is used as mine hydraulic support, oil field development, engineering construction, lifting transport, metallurgical forging
Pressure, mining equiment, ship, injection machine, agricultural machinery, various lathes and each industrial department mechanization, automation hydraulic pressure system
Petroleum base of the conveying with certain pressure and temperature in system(Such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil)And water
Base fluid body(Such as emulsion, oil-water emulsion, water)Deng the pipeline with liquid transmission.And during the use of high-pressure rubber pipe,
Whipping, percussion often occurs, the pipe joint position of high-pressure rubber pipe can be caused to loosen or oil leakage phenomenon, and due to whipping or
The unexpected pressurization of liquid in pipe can cause the danger of explosion to high-pressure rubber pipe during person's percussion, certain potential safety hazard be present.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of vibration proof sealed fitting device, its mesh
Be, vibrationproof performance and sealing property of the enhancing high-pressure rubber pipe at pipe joint link position, so as to reduce and avoid as far as possible
High-pressure rubber pipe fault rate when in use and explosion are dangerous, improve its service efficiency and service life.
The technical solution adopted in the present invention is:A kind of vibration proof sealed fitting device, including it is enclosed on sealing to be connected
Pipe joint outside the end of pipeline, pipe joint arrangement also include the pre-tightening apparatus that connection is plugged on pipe joint one end, and pipe joint leans on
Nearly pipe end position is additionally provided with the flange that is bent to sealing pipeline center position to be connected and curved to pipe joint outer wall direction
Bent groove;Plumbing chase corresponding with groove is additionally provided with the end position of sealing pipeline to be connected;Flange, groove and pipe
Road groove forms end annular seal space, and end annular seal space is internally connected with band;And pipe joint inwall and sealing pipeline to be connected
A vibration damping annular seal space is formed between outer wall, vibration damping annular seal space is connected with some evenly distributed O-ring seals.The present invention's
Pipe joint arrangement, set in pipe joint and pipe connection portion position and form end annular seal space and vibration damping annular seal space, respectively inside it
Place band and O-ring seal, and be provided with pre-tightening apparatus in one end of pipe joint so that high-pressure rubber pipe when vibrating,
High-pressure rubber pipe has preferable sealing property with pipe joint, while can enter the vibration that row buffering receives using pre-tightening apparatus, and
Using the compression performance slowing down vibration of O-ring seal, the vibration proof performance at pipe joint is improved, reduces high-pressure rubber pipe use
Fault rate, improve its service efficiency and service life.
Preferably, pre-tightening apparatus includes the housing being enclosed on outside pipeline to be connected, and housing is also set up close to one end of pipe joint
There is plug division;Housing is circumferentially additionally provided with some pretension chambers, and each pretension intracavitary is connected with regulation in turn respectively from outside to inside
Structure and stage clip, compression ring is additionally provided between pretension chamber and pipeline to be connected.The pre-pressing force for treating connecting pipe is realized, when
When pipeline is pressed by abruptly increase or the pipe die-offed, it can be eased by the stage clip and compression ring that are connected thereto, that is,
Institute's stage clip and compression ring play absorption tube pressure and fully separator tube pressure, reduce the probability of pipeline burst, improve its security
Can, effectively save hydraulic pressure or air pressure resource.
If preferably, several circumferential arrays of pretension chamber along housing, to play uniform cushioning effect.
Preferably, the quantity of pretension chamber is no less than three, so as to play preferable pre-pressing effect.
Preferably, bushing is also associated with inside the one end of housing away from pipe joint, improves the anti-wear performance of pre-tightening apparatus.
Preferably, compression ring is rubber ring or compressed sponge circle, to ensure that it stretches with compression ring with good
Performance.
Preferably, adjustment structure is bolt either screw or screwed handle, to adjust the pre- of pre-tightening apparatus
Clamp force.
Compared with prior art, the beneficial effects of the invention are as follows:The pipe joint arrangement of the present invention, connect in pipe joint and pipeline
Socket part position, which is set, forms end annular seal space and vibration damping annular seal space, respectively placement band and O-ring seal inside it, and
One end of pipe joint is provided with pre-tightening apparatus so that in vibration, high-pressure rubber pipe has preferably close high-pressure rubber pipe with pipe joint
Sealing property, while the vibration that row buffering receives can be entered using pre-tightening apparatus, and slow down and shake using the compression performance of O-ring seal
It is dynamic, the vibration proof performance at pipe joint is improved, reduces the fault rate that high-pressure rubber pipe uses, its service efficiency is improved and makes
Use the life-span.
Invention enhances vibrationproof performance and sealing property of the high-pressure rubber pipe at pipe joint link position, so as to reduce simultaneously
High-pressure rubber pipe fault rate when in use is avoided as far as possible and explosion is dangerous, improves its service efficiency and service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vibration proof sealed fitting device.
Embodiment
In order to deepen the understanding of the present invention, the present invention is further described with reference to the accompanying drawings and examples, the implementation
Example is only used for explaining the present invention, and protection scope of the present invention is not formed and limited.
As shown in figure 1, a kind of vibration proof sealed fitting device, including be enclosed on outside the end of sealing pipeline 1 to be connected
Pipe joint 2, pipe joint arrangement also include the pre-tightening apparatus 13 that connection is plugged on the one end of pipe joint 2, and pipe joint 2 is close to be connected close
The end position of tube sealing road 1 is additionally provided with the flange 21 that is bent to sealing pipeline center position to be connected and to the outer wall side of pipe joint 2
To the groove 22 of bending;Plumbing chase 11 corresponding with groove 22 is additionally provided with the end position 10 of sealing pipeline 1 to be connected;
Flange 21, groove 22 and plumbing chase 11 form end annular seal space 8, and end annular seal space 8 is internally connected with band 9;And pipe joint 2
A vibration damping annular seal space 10 is formed between inwall and the outer wall of sealing pipeline to be connected 1, vibration damping annular seal space 10 is connected with some equal
The O-ring seal 12 of even arrangement.The pipe joint arrangement of the present invention, sets in pipe joint 2 and the connecting portion of sealing pipeline 1 to be connected
Put and form end annular seal space 8 and vibration damping annular seal space 10, place band 9 and O-ring seal 12 inside it respectively, and in pipe
One end of joint 2 is provided with pre-tightening apparatus 13 so that in vibration, high-pressure rubber pipe has preferably close high-pressure rubber pipe with pipe joint
Sealing property, while the vibration that row buffering receives can be entered using pre-tightening apparatus 13, and slowed down using the compression performance of O-ring seal
Vibration, improve the vibration proof performance at pipe joint, reduce the fault rate that high-pressure rubber pipe uses, improve its service efficiency and
Service life.
In Fig. 1, pre-tightening apparatus 13 includes the housing 3 being enclosed on outside sealing pipeline 1 to be connected, and housing 3 is close to pipe
One end of joint 2 is additionally provided with plug division 31;Housing 3 is circumferential to be additionally provided with some pretension chambers 32, in each pretension chamber 32 from
It is outer to be connected with adjustment structure 4 and stage clip 5 in turn respectively to interior, pressure is additionally provided between pretension chamber 32 and sealing pipeline to be connected 1
Shrunk-on ring 6.The pre-pressing force for treating connecting pipe is realized, when pipeline is pressed by abruptly increase or the pipe die-offed, by being connected to it
On stage clip and compression ring can be eased, that is, institute's stage clip and compression ring play absorption tube pressure and fully separator tube pressure,
The probability of pipeline burst is reduced, improves its security performance, has effectively saved hydraulic pressure or air pressure resource.Several pretensions
Circumferential array of the chamber along housing, to play uniform cushioning effect.The quantity of pretension chamber is no less than three, so as to play preferably
Pre-pressing effect.
In addition, being also associated with bushing inside the one end of housing away from pipe joint, the anti-wear performance of pre-tightening apparatus is improved.Pressure
Shrunk-on ring is rubber ring or compressed sponge circle, to ensure it with compression ring with good telescopicing performance.Adjustment structure is spiral shell
Bolt either screw or screwed handle, to adjust the pretightning force of pre-tightening apparatus.
In general, in order to ensure the present invention result there is more excellent damping performance, band 9 and O-shaped sealing
The material of circle 12 is generally rubber, and preferred silica gel.In addition it is generally viscous with the connected mode of pipe joint and high-pressure rubber pipe
Connect.
Invention enhances vibrationproof performance and sealing property of the high-pressure rubber pipe at pipe joint link position, so as to reduce simultaneously
High-pressure rubber pipe fault rate when in use is avoided as far as possible and explosion is dangerous, improves its service efficiency and service life.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understand the spirit of the present invention, and make different amplification and change, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.