CN211715994U - Joint pipe fitting that leakproofness is strong - Google Patents

Abstract

The utility model discloses a joint pipe fitting that leakproofness is strong, include the adapter tube and install the soft takeover at the adapter tube both ends, the coupling is installed with the junction of soft takeover to the adapter tube, the inside of coupling is provided with the seal groove, the terminal surface of adapter tube is managed inside the extending to seal groove below of joint, and is managed on the adapter tube and install the expansion ring with seal groove clearance department, the one end surface mounting of coupling has the rotary disk, and the curved surface ring is installed to the one end of rotary disk, inside the curved surface ring extended to the seal groove, and the inside of curved surface ring is provided with oblique decurrent radian face. The utility model discloses a be provided with a series of structures for when this joint pipe fitting that the leakproofness is strong can realize connecting between two hoses, guarantee the leakproofness of connecting, and realize the sealed effect of multilayer, satisfy the user demand.

Description

Joint pipe fitting that leakproofness is strong

Technical Field

The utility model relates to a pipe fitting technical field specifically is a joint pipe fitting that leakproofness is strong.

Background

The pipe is used as the main component of the pipeline, the connection among a plurality of pipes can form a pipeline which can play a practical role, and the actual pipe connection also has great difference according to the connection mode adopted by the different pipes, such as screw thread connection, flange connection, welding and the like.

In general temporary pipelines, hoses are mostly adopted for conveying media such as gas and liquid, and each hose needs to be connected by a clamping pipe fitting which can ensure the connection of the end faces of two hoses in the connection process, in the actual construction process, a rigid pipe with a specific length is often used, two ends of the rigid pipe are respectively connected with the end faces of the two hoses and tied up by using iron wires and the like as connecting parts to realize the sealing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint pipe fitting that leakproofness is strong to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a joint pipe fitting that leakproofness is strong, includes the adapter tube and installs the soft takeover at the adapter tube both ends, the adapter tube is installed with the junction of soft takeover and is connected the pipe, the inside of pipe joint is provided with the seal groove, the terminal surface of adapter tube is managed inside the extending to seal groove below of joint, and installs the expansion ring with seal groove clearance department on the adapter tube, the one end surface mounting of pipe joint has the rotary disk, and the curved surface ring is installed to the one end of rotary disk, inside the curved surface ring extended to the seal groove, and the inside of curved surface ring is provided with oblique decurrent radian face.

Preferably, the outer side surface of the curved ring is provided with a connecting thread, and the connecting thread is in threaded connection with the inside of the sealing groove.

Preferably, the surface of the expansion ring is provided with a top ring, and the flexible connecting pipe extends to the gap between the top ring and the curved ring.

Preferably, a pressure sealing ring is arranged at the gap between the tail end of the curved ring and the flexible connecting pipe.

Preferably, a diffusion sheet is disposed on one side surface of the pressure seal ring.

Preferably, the outer side surface of the pressure seal ring is provided with assembling lines.

Preferably, the surface of the pipe joint is provided with anti-slip lines.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this joint pipe fitting that leakproofness is strong through anti-skidding line, the coefficient of friction on multiplicable pipe joint surface realizes anti-skidding effect, is convenient for take and use to through the rotary disk, use with connecting thread combines, can do benefit to and apply the effort, drive the curved surface ring and carry out rotary motion, and then the motion in position about realizing, the business turn over seal groove of being convenient for reaches actual sealed effect, improves the installation effectiveness.

2. This joint pipe fitting that leakproofness is strong, through the apical ring, when the multiunit setting is on the expansion connects the ring, can realize the jack-up effect to soft takeover, be similar to multiunit mechanical seal body, reach certain expanded joint sealing effect, and use with the curved surface ring that has the radian face combines, the tight effect in top in position about the two can be realized, push up tightly and sealed soft takeover simultaneously, after the curved surface ring constantly gos deep into the seal groove, push up tightly and sealed effect to soft takeover is big more, do benefit to actual fixed seal installation.

3. This joint pipe fitting that leakproofness is strong, through pressure seal circle, can be in the terminal surface of soft takeover, and receive the extrusion of curved surface ring, can push up tightly and seal soft takeover's end, further fix soft takeover, and through the diffusion piece, can be under the pressurized condition, make the surface edge of diffusion piece can be better receive the expansion torque of ring and the tight moment in top of curved surface ring of stretching out deformation, do benefit to the better deformation of pressure seal circle and seal.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a partial enlarged view of A in FIG. 2;

fig. 4 is a top view of the pressure seal ring.

In the figure: 1. anti-skid lines; 2. a soft connecting pipe; 3. rotating the disc; 4. a bearing pipe; 5. a pipe joint; 6. expanding the connecting ring; 7. a top ring; 8. connecting threads; 9. a curved ring; 10. a pressure seal ring; 11. a sealing groove; 12. assembling lines; 13. and a diffusion sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the clamping pipe fitting with strong sealing performance of this embodiment includes a bearing pipe 4 and flexible connecting pipes 2 installed at two ends of the bearing pipe 4, the entire bearing pipe 4 has a connecting effect to the two flexible connecting pipes 2, the flexible connecting pipes 2 are flexible rubber pipelines for conveying flowing media, a pipe joint 5 is installed at the joint of the bearing pipe 4 and the flexible connecting pipes 2, and is a circular cylinder serving as a direct connecting part of the bearing pipe 4 and the flexible connecting pipes 2, a sealing groove 11 is provided inside the pipe joint 5, the sealing groove 11 is an annular groove body as a whole, there is a certain depth, the end surface of the bearing pipe 4 extends to the lower part of the sealing groove 11 through the inside of the pipe joint 5, the two are fixedly connected, an expansion ring 6 is installed at the gap between the bearing pipe 4 and the sealing groove 11, the outer diameter of the expansion ring 6 is larger than the outer diameter of the bearing pipe 4, so that the, the rotary disc 3 is installed on the surface of one end of the pipe joint 5, the curved surface ring 9 is installed on one end of the rotary disc 3, the curved surface ring 9 is a cylindrical barrel, the whole rotary disc 3 is an annular metal ring, the outer diameter of the rotary disc 3 is larger than that of the curved surface ring 9, the curved surface ring 9 extends into the sealing groove 11, the outer side surface of the curved surface ring 9 is provided with the connecting threads 8, the connecting threads 8 are connected with the inside of the sealing groove 11 through threads, when the rotary disc 3 is driven to rotate by external torque in practical use, the curved surface ring 9 synchronously rotates, and therefore the connecting threads slowly enter the inside of the sealing groove 11 through the threads to achieve a threaded connection effect, the inside of the curved surface ring 9 is provided with an obliquely downward cambered surface, so that the thickness of the inside of the curved surface ring 9 close to the rotary disc 3 is larger, the thickness of the inside of, form the effect of constantly pushing up tight below flexible coupling 2 downwards, the surface of expanded coupling ring 6 is provided with apical ring 7, be greater than the metal ring body that expanded coupling ring 6 for the external diameter in fact, and apical ring 7 is a plurality of, can push up tightly flexible coupling 2, reach expansion joint's effect, and be similar to multiunit mechanical seal, flexible coupling 2 extends to apical ring 7 and curved surface ring 9's clearance department, apical ring 7 uses with the curved surface ring 9 internal face combination that has the radian face this moment, carry out the top in upper and lower position tightly and sealed to flexible coupling 2 simultaneously.

Specifically, a pressure seal ring 10 is installed at a gap between the tail end of the curved ring 9 and the flexible connection pipe 2, is made of a soft rubber material, can be located on the surface of the tail end of the flexible connection pipe 2, and is extruded by the inner wall of the curved ring 9, so that the tail end of the flexible connection pipe 2 can be tightly pressed and sealed, and the flexible connection pipe 2 is further fixed.

Further, a side surface of pressure seal ring 10 is provided with diffusion piece 13, diffusion piece 13 is intermittent rubber piece, can be under the pressurized condition, make diffusion piece 13's surface edge can be better by the expansion torque of expanded joint ring 6 and the tightening force isomoment of curved surface ring 9 deform, do benefit to the better sealed of deforming of pressure seal ring 10, pressure seal ring 10 outside surface is provided with assembly line 12, can form a arch, raise the external diameter of pressure seal ring 10, do benefit to and curved surface ring 9 and contact each other, satisfy actual sealed demand.

Furthermore, the surface of the pipe joint 5 is provided with the anti-skid grains 1, the surface of the anti-skid grains 1 is concave-convex, the roughness is large, the surface friction coefficient of the pipe joint 5 can be directly increased, the anti-skid effect is further realized, and the manual application of the torque required by installation on the pipe joint 5 is facilitated.

The using method of the embodiment comprises the following steps: when two disconnected flexible connecting pipes 2 are connected, a single pipe joint 5 needs to be tightly held, acting force is applied to the single flexible connecting pipe 2, the outer diameter of an expansion ring 6 is slightly larger than the outer diameter of the flexible connecting pipe 2, the flexible connecting pipe 2 can be sleeved on the surface of the expansion ring 6 within the fatigue strength under the action of the material expansion performance of the flexible connecting pipe 2, the flexible connecting pipe 2 extends into a sealing groove 11 until the flexible connecting pipe is contacted with the inner wall of the end face of the sealing groove 11, meanwhile, a curved ring 9 and a pressure sealing ring 10 are sleeved on the surface of the flexible connecting pipe 2 and are plugged into the sealing groove 11, a connecting thread 8 on the outer surface of the curved ring 9 is in threaded connection with the sealing groove 11, a rotating moment is applied to the rotating disc 3 to drive the curved ring 9 to rotate, meanwhile, the curved ring 9 slowly enters the sealing groove 11, the horizontal position of the inner wall of the curved ring 9 slowly changes, the thick inner wall of the curved ring 9, until the thick inner wall contacts with the surface of the flexible connecting pipe 2 below, especially the position where the top ring 7 exists, because the thick inner wall of the curved ring 9 applies moment downward, and the top ring 7 on the expansion joint ring 6 is pressed and deformed, so as to achieve the sealing effect, at this moment, the top of the curved ring 9 contacts with the pressure seal ring 10, the curved ring 9 is positioned at the left side of the pressure seal ring 10, and the diffusion sheet 13 is also positioned at the left side of the pressure seal ring 10, the diffusion sheet 13 is firstly deformed by the extrusion of the curved ring 9 with large wall thickness, when the whole curved ring 9 is stressed and continues to move inward, the curved ring 9 pushes the pressure seal ring 10 to move forward until the pressure seal ring 10 contacts with the inner end wall surface of the seal groove 11 and deforms, when the flexible connecting pipe 2 has a small gap with the inner end wall surface of the seal groove 11, the deformed pressure seal ring 10 is filled to the, the sealing effect is achieved, therefore, the single flexible connecting pipe 2 is fixedly arranged in the pipe joint 5 on one side, the multi-layer sealing effect is achieved through the pressure sealing ring 10, the top ring 7 and the curved surface ring 9, then the other flexible connecting pipe 2 is arranged on the other pipe joint 5, and therefore the two flexible connecting pipes 2 are connected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a joint pipe fitting that leakproofness is strong, includes bearing pipe (4) and installs soft takeover (2) at bearing pipe (4) both ends, its characterized in that: coupling (5) are installed with the junction of flexible takeover (2) in bearing pipe (4), the inside of coupling (5) is provided with seal groove (11), the terminal surface of bearing pipe (4) is managed and is connected (5) inside extension to seal groove (11) below, and bearing pipe (4) are gone up and seal groove (11) clearance department installs expansion joint ring (6), the one end surface mounting of coupling (5) has rotary disk (3), and curved surface ring (9) are installed to the one end of rotary disk (3), curved surface ring (9) extend to inside seal groove (11), and the inside of curved surface ring (9) is provided with decurrent radian face.

2. The clamping pipe fitting with high sealing performance as claimed in claim 1, wherein: the outer side surface of the curved surface ring (9) is provided with a connecting thread (8), and the connecting thread (8) is connected with the inside of the sealing groove (11) through a thread.

3. The clamping pipe fitting with high sealing performance as claimed in claim 1, wherein: the surface of the expansion joint ring (6) is provided with a top ring (7), and the flexible connecting pipe (2) extends to the gap between the top ring (7) and the curved surface ring (9).

4. The clamping pipe fitting with high sealing performance as claimed in claim 1, wherein: and a pressure sealing ring (10) is arranged at the gap between the tail end of the curved surface ring (9) and the flexible connecting pipe (2).

5. The clamping pipe fitting with high sealing performance as claimed in claim 4, wherein: and a diffusion sheet (13) is arranged on one side surface of the pressure sealing ring (10).

6. The clamping pipe fitting with high sealing performance as claimed in claim 4, wherein: the outer side surface of the pressure sealing ring (10) is provided with assembling grains (12).

7. The clamping pipe fitting with high sealing performance as claimed in claim 4, wherein: the surface of the pipe joint (5) is provided with anti-skid grains (1).

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