CN212389882U - Pipeline connecting piece with good sealing effect - Google Patents

Abstract

The utility model discloses a possess sealed effectual conduit coupling spare, including outer pipe box, last pipeline, pipeline and interior subassembly down, the internal thread has been seted up on the both ends inner wall of outer pipe box, the upper thread has been seted up on the lower extreme surface of last pipeline, the lower thread has been seted up on the upper end surface of pipeline down, lower screw thread and last screw thread connect with the internal thread on the outer pipe box inner wall respectively soon, subassembly in having cup jointed at the middle part of outer pipe box, and the upper end and the lower extreme of subassembly in are connected with last pipeline, lower pipeline respectively, interior subassembly includes rubber circle, last ring body, spring, lower ring body and lower rubber circle, go up the upper surface of rubber circle butt fusion in last ring body, the lower surface of rubber circle butt fusion in ring body down, go up through spring interconnect between ring body and the lower ring body. Effectively improve the leakproofness, and this structure does not adopt bolted connection, simplifies the structure to less pipeline trompil's step reduces the pipeline processing step.

Description

Pipeline connecting piece with good sealing effect

Technical Field

The utility model relates to a pipe connection spare technical field especially relates to a possess sealed effectual pipe connection spare.

Background

The pipe hoop, the inner pipe hoop, the equal-diameter straight pipe connection, the different-diameter pipe hoop, the different-diameter straight pipe connection, the movable joint, the equal-diameter straight pipe connection, the convenient folding and assembly, the core supplementing, the straight line different-diameter connection, the equal-diameter elbows with various angles, the turning of various angles and the different-diameter elbows, the diameter changing, the pipe plug, the blocking of one end of the pipeline, the equal-diameter tee joint, the main pipe, the different-diameter tee joint, the equal-diameter cross joint, the different-diameter cross joint, the valve, the control of the on-off or the size of water flow, but the pipeline connecting pieces increase the connection tightness by winding raw rubber tape in the connecting process, but cover on threads after the raw rubber tape is wound, lead to threaded connection degree of difficulty between the pipeline big, and the raw rubber belt winding number of turns is few, it is poor all to lead to the leakproofness to twine inhomogeneously, carry out pipe connection through the rubber packing ring, need trompil on pipe connection spare, through bolt locking connection rubber packing ring, pipe connection spare needs processing, operating procedure is many, the structure is complicated, and also can have the gap between rubber packing ring and the bolt gap, lead to the leakproofness poor, therefore the urgent need for a simple structure, sealed effectual pipe connection spare.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a possess sealed effectual conduit coupling, effectively improve the leakproofness, and this structure does not adopt bolted connection, simplifies the structure to the step of less pipeline trompil reduces the pipeline processing step, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline connecting piece with a good sealing effect comprises an outer pipe sleeve, an upper pipeline, a lower pipeline and an inner component, wherein inner threads are formed on the inner walls of two ends of the outer pipe sleeve, an upper thread is formed on the outer surface of the lower end of the upper pipeline, a lower thread is formed on the outer surface of the upper end of the lower pipeline, the lower thread and the upper thread are respectively screwed with the inner threads on the inner wall of the outer pipe sleeve, the inner component is sleeved in the middle of the outer pipe sleeve, and the upper end and the lower end of the inner component are respectively connected with the upper pipeline and the lower pipeline;

interior subassembly includes rubber circle, last ring body, spring, lower ring body and lower rubber circle, go up the rubber circle and weld in the upper surface of last ring body, rubber circle welds in the lower surface of lower ring body down, go up through spring interconnect between ring body and the lower ring body.

Preferably, the upper end face of the upper rubber ring and the upper end face of the lower rubber ring are both provided with annular rubber convex edges.

Preferably, annular clamping grooves are formed in the lower end face of the upper pipeline and the upper end face of the lower pipeline, and rubber protruding edges at two ends of the inner assembly are connected to the middle portions of the two clamping grooves in an embedded mode.

Preferably, the spring between the upper and lower conduits is in compression.

Preferably, the diameters of the through holes in the upper pipeline, the lower pipeline, the upper rubber ring, the upper ring body, the lower ring body and the lower rubber ring are consistent.

Preferably, the outer walls of the upper rubber ring and the lower rubber ring are inclined planes, an inner bulge is arranged on the inner wall of the outer sleeve, and the inner bulge inner wall is tightly attached to the outer walls of the upper rubber ring and the lower rubber ring.

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

the utility model discloses a possesses sealed effectual conduit coupling spare, with the lower extreme that the lower pipeline inserted the outer pipe box soon, until the interior protrusion of lower pipeline upper end butt outer pipe box inner wall, and place interior subassembly in the outer pipe box down from last after, the protruding limit of rubber card of lower rubber circle is in the draw-in groove of pipeline up end down, and the interior arch is hugged closely to rubber circle lateral wall down, again with the upper pipe insert the outer pipe box soon, go up in the protruding limit card of rubber circle goes into the draw-in groove of pipeline, and the interior arch is hugged closely to the rubber circle lateral wall down, under the spring action of spring, go up ring body and lower ring body and promote the rubber circle to both ends respectively, make the rubber circle be in compression state, and the inclined plane and the interior protruding inclined plane butt of rubber circle, effectively improve the leakproofness, and this structure does not adopt bolted connection, the simplified structure, and the step of less pipeline trompil, reduce the pipe machining step.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is an axial cross-sectional view of the present invention;

fig. 4 is a structural diagram of the inner assembly of the present invention.

In the figure: 1. an outer pipe sleeve; 11. an internal thread; 12. screwing; 13. lower threads; 14. an inner bulge; 2. an upper pipeline; 3. a lower pipeline; 4. an inner component; 41. mounting a rubber ring; 42. an upper ring body; 43. a spring; 44. a lower ring body; 45. a lower rubber ring; 46. a rubber raised edge; 5. a clamping groove.

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.

Referring to fig. 1-3, a pipe connector with good sealing effect comprises an outer pipe sleeve 1, an upper pipe 2, a lower pipe 3 and an inner component 4, wherein inner threads 11 are formed on inner walls of two ends of the outer pipe sleeve 1, an upper thread 12 is formed on an outer surface of a lower end of the upper pipe 2, a lower thread 13 is formed on an outer surface of an upper end of the lower pipe 3, the lower thread 13 and the upper thread 12 are respectively screwed with the inner threads 11 on the inner wall of the outer pipe sleeve 1, the inner component 4 is sleeved in a middle of the outer pipe sleeve 1, an upper end and a lower end of the inner component 4 are respectively connected with the upper pipe 2 and the lower pipe 3, a spring 43 between the upper pipe 2 and the lower pipe 3 is in a compressed state, annular clamping grooves 5 are formed on a lower end surface of the upper pipe 2 and an upper end surface of the lower pipe 3, rubber convex edges 46 at two ends of the inner component 4 are respectively clamped and embedded in the middle of the two clamping grooves 5, until the upper end of the lower pipeline 3 is abutted to the inner bulge 14 of the inner wall of the outer sleeve 1, then the inner assembly 4 is placed in the outer sleeve 1 from top to bottom, the rubber bulge edge 46 of the lower rubber ring 45 is clamped into the clamping groove 5 of the upper end surface of the lower pipeline 3, the side wall of the lower rubber ring 45 is tightly attached to the inner bulge 14, the upper pipeline 2 is screwed into the outer sleeve 1, the rubber bulge edge 46 of the upper rubber ring 41 is clamped into the clamping groove 5 of the upper pipeline 2, the side wall of the lower rubber ring 45 is tightly attached to the inner bulge 14, the assembly of the pipeline connecting piece is completed, the outer walls of the upper rubber ring 41 and the lower rubber ring 45 are inclined planes, the inner bulge 14 is arranged on the inner wall of the outer sleeve 1, and the inner wall of the inner bulge 14 is tightly attached to the.

Referring to fig. 4, the inner assembly 4 includes an upper rubber ring 41, an upper ring 42, a spring 43, a lower ring 44 and a lower rubber ring 45, the upper rubber ring 41 is welded to the upper surface of the upper ring 42, the lower rubber ring 45 is welded to the lower surface of the lower ring 44, the upper ring 42 and the lower ring 44 are connected to each other by the spring 43, under the elastic force of the spring 43, the upper ring body 42 and the lower ring body 44 push the rubber rings to both ends, respectively, so that the rubber rings are in a compressed state, and the inclined plane of the rubber ring is abutted with the inclined plane of the inner bulge 14, thereby effectively improving the sealing property, and the structure does not adopt bolt connection, simplifying the structure, and the steps of opening holes of the pipeline are reduced, the pipeline processing steps are reduced, the through holes in the upper pipeline 2, the lower pipeline 3, the upper rubber ring 41, the upper ring body 42, the lower ring body 44 and the lower rubber ring 45 are consistent in aperture, and annular rubber convex edges 46 are arranged on the upper end face of the upper rubber ring 41 and the upper end face of the lower rubber ring 45.

In summary, the following steps: the lower pipe 3 is screwed into the lower end of the outer pipe sleeve 1 until the upper end of the lower pipe 3 is abutted against the inner bulge 14 of the inner wall of the outer pipe sleeve 1, then the inner component 4 is placed in the outer sleeve 1 from top to bottom, the rubber convex edge 46 of the lower rubber ring 45 is clamped in the clamping groove 5 on the upper end surface of the lower pipeline 3, the side wall of the lower rubber ring 45 is tightly attached to the inner bulge 14, the upper pipeline 2 is screwed into the outer pipe sleeve 1, the rubber convex edge 46 of the upper rubber ring 41 is clamped in the clamping groove 5 of the upper pipeline 2, the side wall of the lower rubber ring 45 is tightly attached to the inner bulge 14, under the elastic force of the spring 43, the upper ring body 42 and the lower ring body 44 push the rubber rings to both ends, respectively, so that the rubber rings are in a compressed state, and the inclined plane of the rubber ring is abutted against the inclined plane of the inner bulge 14, so that the sealing performance is effectively improved, the structure is simplified without adopting bolt connection, the steps of drilling the pipeline are reduced, and the pipeline processing steps are reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a possess sealed effectual pipe connection spare, includes outer pipe sleeve (1), upper pipe way (2), lower pipeline (3) and interior subassembly (4), its characterized in that: internal threads (11) are formed in the inner walls of the two ends of the outer pipe sleeve (1), upper threads (12) are formed in the outer surface of the lower end of the upper pipe (2), lower threads (13) are formed in the outer surface of the upper end of the lower pipe (3), the lower threads (13) and the upper threads (12) are respectively screwed with the internal threads (11) in the inner wall of the outer pipe sleeve (1), an inner component (4) is sleeved in the middle of the outer pipe sleeve (1), and the upper end and the lower end of the inner component (4) are respectively connected with the upper pipe (2) and the lower pipe (3);

interior subassembly (4) include rubber ring (41), go up ring body (42), spring (43), lower ring body (44) and lower rubber ring (45), go up rubber ring (41) and weld in the upper surface of last ring body (42), lower rubber ring (45) weld in the lower surface of lower ring body (44), go up between ring body (42) and the lower ring body (44) through spring (43) interconnect.

2. The pipe joint with good sealing effect according to claim 1, wherein: and annular rubber convex edges (46) are arranged on the upper end surface of the upper rubber ring (41) and the upper end surface of the lower rubber ring (45).

3. The pipe joint with good sealing effect according to claim 1, wherein: annular clamping grooves (5) are formed in the lower end face of the upper pipeline (2) and the upper end face of the lower pipeline (3), and rubber protruding edges (46) at two ends of the inner component (4) are connected to the middle portions of the two clamping grooves (5) in an embedded mode respectively.

4. The pipe joint with good sealing effect according to claim 1, wherein: the spring (43) between the upper pipe (2) and the lower pipe (3) is in a compressed state.

5. The pipe joint with good sealing effect according to claim 1, wherein: the diameter of the through holes in the upper pipeline (2), the lower pipeline (3), the upper rubber ring (41), the upper ring body (42), the lower ring body (44) and the lower rubber ring (45) is consistent.

6. The pipe joint with good sealing effect according to claim 1, wherein: the outer walls of the upper rubber ring (41) and the lower rubber ring (45) are inclined planes, an inner bulge (14) is arranged on the inner wall of the outer sleeve (1), and the inner wall of the inner bulge (14) is tightly attached to the outer walls of the upper rubber ring (41) and the lower rubber ring (45).

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