CN216201458U

CN216201458U - Rubber sealing joint

Info

Publication number: CN216201458U
Application number: CN202122774723.5U
Authority: CN
Inventors: 江易高
Original assignee: YANGZHOU GAOXIN RUBBER & PLASTIC CO LTD
Current assignee: YANGZHOU GAOXIN RUBBER & PLASTIC CO LTD
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-04-05
Anticipated expiration: 2031-11-13

Abstract

The utility model discloses a rubber sealing joint, which belongs to the technical field of rubber joints and comprises a rubber corrugated pipe, wherein connecting ends are symmetrically protruded at two ends of the rubber corrugated pipe, a side sealing gasket is arranged on the side surface of each connecting end, a sealing ring is protruded at the top end of the inner side surface of each side sealing gasket, a connecting flange is sleeved on the outer surface of each connecting end, a sealing groove is formed in the bottom end of the outer side surface of each connecting flange, the sealing rings are embedded in the sealing grooves, connecting support plates are fixedly welded on the periphery of the sealing grooves, and a buffer mechanism for buffering deformation impact force is fixedly connected between the connecting support plates; a reinforced rubber layer is arranged between the bending parts of the rubber corrugated pipe; it can realize relying on external elastic mechanism buffering elastic deformation, reduces the damage to rubber joint self, and then improves its life, strengthens the protection of buckling department simultaneously, can reduce the probability of revealing of transported substance article.

Description

Rubber sealing joint

Technical Field

The utility model relates to the technical field of rubber joints, in particular to a rubber sealing joint.

Background

At present in chemical industry, biology and all kinds of industrial and mining enterprises, often need carry out the transport such as steam, materials such as acid and alkali lye with the help of the pipe-line equipment, in order to improve the convenience that the pipe-line equipment connects, improve the pipeline simultaneously to the ability of resisting of flexible deformation and distortion, current main way is to connect through two supplementary pipelines of two flange rubber joint equipment in pipeline hookup location department, thereby the elastic deformation ability that possesses through two flange rubber joint self realizes resisting the flexible deformation and the distortion that the pipe-line equipment produced because of factors such as expend with heat and contract with cold in service, reach the purpose that improves pipe-line equipment operating stability and reliability.

However, the existing double-flange rubber joint only depends on the elastic deformation capacity of rubber to buffer the pressure in the pipeline, when the pressure is large, the elastic deformation of the rubber is not enough for buffering, and the rubber is bent for a long time to buffer the deformation, so that the bent part is easy to break, and the leakage of conveyed articles is caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a rubber sealing joint which can realize the purpose of buffering the elastic deformation by an external elastic mechanism, reduce the damage to the rubber joint per se, further prolong the service life of the rubber joint, strengthen the protection of a bent part and reduce the leakage probability of conveyed articles.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a rubber sealing joint, includes rubber bellows, rubber bellows both ends symmetric bulge has the link, the link side is provided with the side seal pad, the protruding sealing washer that has in side seal pad medial surface top, the link surface has cup jointed flange, the seal groove has been seted up to flange lateral surface bottom, the sealing washer imbed in inside the seal groove, the peripheral fixed welding of seal groove has the connection extension board, fixedly connected with is used for the buffer gear of deformation impact force buffering between the connection extension board.

Furthermore, a reinforcing rubber layer is arranged between the bending positions of the rubber corrugated pipe, the thickness of the reinforcing rubber layer is one half of that of the rubber corrugated pipe, and the reinforcing rubber layer is made of natural rubber NR.

Furthermore, buffer gear including swing joint in connect the inside adjusting screw of extension board, adjusting screw both ends respectively threaded connection have outer fixation nut and interior fixation nut, outer fixation nut with interior fixation nut set up in connect the extension board both sides, adjusting screw is keeping away from outer fixation nut one end fixed welding has the connection curb plate, two fixed welding has buffer spring between the connection curb plate.

Further, the elastic coefficient of the buffer spring is larger than that of the rubber corrugated pipe.

Furthermore, the outer diameters of the connecting side plate and the buffer spring are the same, and the outer diameter of the connecting side plate is slightly smaller than that of the connecting support plate.

Furthermore, at least three groups of connecting support plates and buffer mechanisms are arranged, and the multiple groups of connecting support plates and buffer mechanisms are uniformly and circumferentially arrayed on the periphery of the rubber corrugated pipe.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is provided with the side seal pad, the sealing washer cooperatees with the seal groove, and when flange passed through screw and pipeline flange joint, the shrink extrusion force extrusion side seal pad of accessible screw, and then make the sealing washer abundant to the inside embedding of seal groove, realize the abundant sealing between the pipeline, and then make to be connected inseparabler between the device and the pipeline, avoid the inside fluid of pipeline or liquid to take place to leak.

(2) This scheme is provided with buffer gear and connects the extension board and cooperate for the different length demands of the device suitability, simultaneously through be provided with buffer spring between two adjusting screw, when the device takes place flexible deformation and distortion, can transmit the impact force to buffer spring on, through retransmitting to the rubber bellows surface after buffer spring buffering, make the deformation volume that rubber bellows produced less, and then reduce rubber bellows's deformation damage, improve its life.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a connecting flange according to the present invention;

FIG. 3 is a schematic view of the rubber bellows of the present invention;

FIG. 4 is a schematic view of a buffering mechanism according to the present invention;

FIG. 5 is a side cross-sectional structural view of the present invention.

The reference numbers in the figures illustrate:

1. a rubber bellows; 2. a connecting end; 3. a side gasket; 4. a seal ring; 5. a connecting flange; 6. a sealing groove; 7. connecting the support plate; 8. adjusting the screw rod; 9. an outer fixing nut; 10. an internal fixation nut; 11. connecting the side plates; 12. a buffer spring; 13. a reinforcing rubber layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-5, a rubber sealing joint includes a rubber bellows 1, wherein two ends of the rubber bellows 1 are symmetrically protruded with a connecting end 2, a side sealing gasket 3 is disposed on a side surface of the connecting end 2, a sealing ring 4 is protruded on a top end of an inner side surface of the side sealing gasket 3, a connecting flange 5 is sleeved on an outer surface of the connecting end 2, a sealing groove 6 is disposed at a bottom end of an outer side surface of the connecting flange 5, the sealing ring 4 is embedded inside the sealing groove 6, a connecting support plate 7 is fixedly welded on a periphery of the sealing groove 6, and a buffer mechanism for buffering deformation impact force is fixedly connected between the connecting support plates 7.

Referring to fig. 3 and 5, in order to improve the structural strength of the rubber bellows 1, a reinforcing rubber layer 13 is disposed between the bent portions of the rubber bellows 1, the thickness of the reinforcing rubber layer 13 is half of the thickness of the rubber bellows 1, and the reinforcing rubber layer 13 is made of natural rubber NR, so that the deformation capability of the reinforcing rubber layer 13 can be improved, the rubber bellows can meet the deformation requirement, and meanwhile, a double-layer protection is formed with the rubber bellows 1, so that the condition that the bent portions are broken and the conveyed articles are leaked can be avoided.

Referring to fig. 1, buffer gear includes swing joint in the inside adjusting screw 8 of connection extension board 7, through there are outer fixation nut 9 and interior fixation nut 10 at adjusting screw 8 both ends difference threaded connection, and outer fixation nut 9 and interior fixation nut 10 set up in connecting extension board 7 both sides, can adjust rubber bellows 1's extension length as required, and then adjust the device's overall length, make things convenient for the different environment of adaptation, through keeping away from outer fixation nut 9 one end fixed welding at adjusting screw 8 and having connection curb plate 11, fixed welding has buffer spring 12 between two connection curb plates 11 simultaneously, usable buffer spring 12 carries out the impact force buffering of deforming.

Referring to fig. 4, the elastic coefficient of the buffer spring 12 is greater than that of the rubber bellows 1, so that the influence of the elastic deformation of the rubber bellows 1 on the buffer spring 12 can be reduced, and the stability of the buffer spring 12 can be improved.

Referring to fig. 5, the outer diameters of the connecting side plate 11 and the buffer spring 12 are the same, and the outer diameter of the connecting side plate 11 is slightly smaller than the outer diameter of the connecting support plate 7, so that the device can be conveniently placed, and deformation buffering of the buffer spring 12 due to influence of external resistance is avoided.

Referring to fig. 1, at least three groups of connecting support plates 7 and buffering mechanisms are arranged, and the groups of connecting support plates 7 and the buffering mechanisms are uniformly and circumferentially arrayed on the periphery of the rubber corrugated pipe 1, so that multi-directional deformation buffering can be realized, and resetting of the device is further facilitated.

The working principle is as follows: when the connecting flange 5 is connected with the pipeline flange through the screws, the side sealing gasket 3 can be extruded through the contraction extrusion force of the screws, so that the sealing ring 4 is fully embedded into the sealing groove 6, the pipelines are fully sealed, the device is connected with the pipelines more tightly, and fluid or liquid in the pipelines is prevented from leaking;

secondly, can adjust the position of connecting extension board 7 for adjusting screw 8 as required, and inject its position through outer fixation nut 9 and interior fixation nut 10, and then adjust the extension length of rubber bellows 1, make the device can adapt to different length demands, simultaneously through being provided with buffer spring 12 between two adjusting screw 8, when the device takes place flexible deformation and distortion, can transmit the impact force to buffer spring 12 on, transmit to rubber bellows 1 surface after the buffer through buffer spring 12 buffering, make the deformation volume that rubber bellows 1 produced less, and then reduce the deformation damage of rubber bellows 1, improve its life.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A rubber sealing joint comprises a rubber corrugated pipe (1), and is characterized in that: rubber bellows (1) both ends symmetric bulge has link (2), link (2) side is provided with side seal pad (3), the protruding sealing washer (4) that has in side seal pad (3) medial surface top, connecting flange (5) have been cup jointed to link (2) surface, seal groove (6) have been seted up to connecting flange (5) lateral surface bottom, sealing washer (4) imbed in inside seal groove (6), the peripheral fixed welding of seal groove (6) has connection extension board (7), fixedly connected with is used for the buffer gear of deformation impact force buffering between connection extension board (7).

2. A rubber sealing joint as defined in claim 1, wherein: a reinforcing rubber layer (13) is arranged between the bending positions of the rubber corrugated pipe (1), the thickness of the reinforcing rubber layer (13) is one half of that of the rubber corrugated pipe (1), and the reinforcing rubber layer (13) is made of Natural Rubber (NR).

3. A rubber sealing joint as defined in claim 1, wherein: buffer gear include swing joint in connect inside adjusting screw (8) of extension board (7), adjusting screw (8) both ends respectively threaded connection have outer fixation nut (9) and interior fixation nut (10), outer fixation nut (9) with interior fixation nut (10) set up in connect extension board (7) both sides, adjusting screw (8) are keeping away from outer fixation nut (9) one end fixed welding has connection curb plate (11), two fixed welding has buffer spring (12) between connection curb plate (11).

4. A rubber sealing joint as defined in claim 3, wherein: the elastic coefficient of the buffer spring (12) is larger than that of the rubber corrugated pipe (1).

5. A rubber sealing joint as defined in claim 3, wherein: the outer diameters of the connecting side plate (11) and the buffer spring (12) are the same, and the outer diameter of the connecting side plate (11) is slightly smaller than that of the connecting support plate (7).

6. A rubber sealing joint as defined in claim 1, wherein: the connecting support plates (7) and the buffer mechanisms are at least provided with three groups, and the multiple groups of connecting support plates (7) and the buffer mechanisms are uniformly and circumferentially arrayed on the periphery of the rubber corrugated pipe (1).