CN215928789U - Plastic pipe fitting connecting structure - Google Patents
Plastic pipe fitting connecting structure Download PDFInfo
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- CN215928789U CN215928789U CN202122395567.1U CN202122395567U CN215928789U CN 215928789 U CN215928789 U CN 215928789U CN 202122395567 U CN202122395567 U CN 202122395567U CN 215928789 U CN215928789 U CN 215928789U
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- locking
- plastic pipe
- sleeve
- connecting structure
- flange
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Abstract
The utility model discloses a plastic pipe connecting structure which comprises two pipes, two connecting pieces and a locking assembly, wherein the ends of the two pipes are respectively provided with an external thread; the connecting piece includes the sleeve, telescopic one end fixed mounting has flange, telescopic other end fixed mounting has the locking tooth, the setting of sleeve contour direction equipartition and interval is followed to the locking tooth, the surface of locking tooth has the inclined plane that inclination is the same, the sleeve is close to flange's one end inboard and is provided with the internal thread, the cooperation is connect soon with external screw thread to the internal thread, locking Assembly is used for locking two connecting pieces, is provided with the outer seal ring between two flanges. This plastics pipe connection structure has simple structure, the dismouting of being convenient for, advantage that stability is high.
Description
Technical Field
The utility model relates to the technical field of plastic pipe fittings, in particular to a plastic pipe fitting connecting structure.
Background
PVC, PPR, PPE plastic tubing of material, during the preparation, for the convenience of transportation and storage, generally make certain length according to certain national standard, consequently when using, need more than two pipe fittings to connect, the connected mode commonly used adopts the mode beading of hot melt with the end of two pipe fittings together. The disadvantages of the welding are direct welding, few contact surfaces and inconvenient replacement and equipment.
The existing connecting piece for connecting the two pipelines is convenient to connect, disassemble and assemble, but has poor connection firmness and stability and is easy to separate when in use.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a simple structure, the dismouting of being convenient for, the high plastics pipe connection structure of stability.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a plastic pipe connecting structure comprises two pipes, two connecting pieces and a locking assembly, wherein external threads are respectively arranged on the ends of the two pipes; the connecting piece includes the sleeve, telescopic one end fixed mounting has flange, telescopic other end fixed mounting has the locking tooth, the setting of sleeve contour direction equipartition and interval is followed to the locking tooth, the surface of locking tooth has the inclined plane that inclination is the same, the sleeve is close to flange's one end inboard and is provided with the internal thread, the cooperation is connect soon with external screw thread to the internal thread, locking Assembly is used for locking two connecting pieces, is provided with the outer seal ring between two flanges.
Like this, connect the external screw thread of connecting piece in the internal thread outside soon, be about to the end of connecting piece and pipe fitting be connected, the locking tooth sets up in the outside of pipeline, locks two flange and connecting piece through locking Assembly, realizes the connection to the pipeline. The outer sealing ring is arranged, so that the connecting position of the two connecting pieces can be better sealed.
The locking assembly comprises two locking rings, each locking ring is provided with an annular surface with the same inclined angle as the inclined surface, the locking rings are sleeved on the outer sides of the locking teeth, a plurality of through holes are formed in the two locking rings in a penetrating mode, the through holes are evenly distributed along the circumferential direction of the locking rings, the locking screws penetrate through the through holes, and the end portions, located on the outer sides of the through holes, of the locking screws are matched with locking nuts in a screwed mode. The locking ring is sleeved outside the two pipelines, then the sleeve is connected with the end of the pipeline through threads, then the locking screw penetrates through the through hole and then is connected with the locking nut in a rotating mode, the locking nut abuts against the locking ring, the annular surface of the locking ring moves along the inclined surface of the locking teeth, the locking teeth are tightly pressed through the locking ring, the locking teeth are tightly attached to the pipelines, and locking of the two connecting pieces is achieved.
Specifically, two nuts are screwed on the locking screw rod and are respectively positioned on the outer sides of the connecting flanges, and the two connecting flanges are tightly abutted through the screwed nuts, so that the two connecting flanges are tightly connected.
The locking teeth are fixedly provided with locking blocks opposite to the surface of the pipeline, the pipeline is provided with locking grooves opposite to the locking teeth, and the locking blocks are matched in the locking grooves in an inserted mode. The locking teeth are connected with the pipeline better.
Specifically, the locking teeth, the sleeve, the connecting flange and the locking ring are all made of plastic materials, and the locking teeth have certain elastic deformation capacity, so that the locking teeth can rotate outside the pipeline, and the locking block can be inserted into the locking groove.
The end parts opposite to the flanges are recessed inwards to form yielding grooves, and an inner sealing ring is arranged between the yielding grooves at the end parts of the two flanges. Sealing is better performed.
The end of the flange opposite to the pipeline extends to form a baffle ring, and the end of the baffle ring opposite to the pipeline is fixedly connected with an end sealing ring. Sealing is better performed.
To sum up, this plastics pipe connection structure has simple structure, the dismouting of being convenient for, advantage that stability is high.
Drawings
Fig. 1 is a schematic structural view of a plastic pipe connection structure according to the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is an isometric view of the connector and locking assembly of fig. 1.
Figure 4 is an isometric view of the connector and locking ring of figure 3.
Fig. 5 is a schematic view of another orientation of fig. 4.
Fig. 6 is a side view of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-6, a plastic pipe connection structure comprises two pipes 1, two connecting pieces and a locking assembly, wherein the ends of the two pipes are respectively provided with an external thread; the connecting piece includes sleeve 2, telescopic one end fixed mounting has flange 3, telescopic other end fixed mounting has locking tooth 4, the setting of sleeve contour direction equipartition and interval is followed to the locking tooth, the surface of locking tooth has the inclined plane that inclination is the same, the sleeve is close to flange's one end inboard and is provided with internal thread 5, the cooperation is connect soon with external screw thread to the internal thread, locking Assembly is used for locking two connecting pieces, is provided with outer seal ring 6 between two flanges.
Like this, connect the external screw thread of connecting piece in the internal thread outside soon, be about to the end of connecting piece and pipe fitting be connected, the locking tooth sets up in the outside of pipeline, locks two flange and connecting piece through locking Assembly, realizes the connection to the pipeline. The outer sealing ring is arranged, so that the connecting position of the two connecting pieces can be better sealed.
The locking assembly comprises two locking rings 7, each locking ring is provided with an annular surface with the same inclined angle as the inclined surface, the locking rings are sleeved on the outer sides of the locking teeth, a plurality of through holes are formed in the two locking rings in a penetrating mode, the through holes are evenly distributed along the circumferential direction of the locking rings, locking screws 8 penetrate through the through holes, and the end portions, located on the outer sides of the through holes, of the locking screws are connected with locking nuts 9 in a rotating mode. The locking ring is sleeved outside the two pipelines, then the sleeve is connected with the end of the pipeline through threads, then the locking screw penetrates through the through hole and then is connected with the locking nut in a rotating mode, the locking nut abuts against the locking ring, the annular surface of the locking ring moves along the inclined surface of the locking teeth, the locking teeth are tightly pressed through the locking ring, the locking teeth are tightly attached to the pipelines, and locking of the two connecting pieces is achieved.
Specifically, two nuts 10 are screwed on the locking screw rod and are respectively positioned on the outer sides of the connecting flanges, and the two connecting flanges are tightly abutted through screwing the nuts, so that the two connecting flanges are tightly connected.
The locking teeth are fixedly provided with locking blocks 11 opposite to the surface of the pipeline, the pipeline is provided with locking grooves opposite to the locking teeth, and the locking blocks are matched in the locking grooves in an inserted mode. The locking teeth are connected with the pipeline better.
Specifically, the locking teeth, the sleeve, the connecting flange and the locking ring are all made of plastic materials, and the locking teeth have certain elastic deformation capacity, so that the locking teeth can rotate outside the pipeline, and the locking block can be inserted into the locking groove.
The opposite end parts of the flanges are recessed inwards to form yielding grooves, and an inner sealing ring 12 is arranged between the yielding grooves at the end parts of the two flanges. Sealing is better performed.
The end of the flange opposite to the pipeline extends to form a baffle ring, and the end of the baffle ring opposite to the pipeline is fixedly connected with an end sealing ring. Sealing is better performed.
The principle is as follows:
the locking ring is sleeved outside the two pipelines, then the sleeve is connected with the end of the pipeline through threads, then the locking screw penetrates through the through hole and then is connected with the locking nut in a rotating mode, the locking nut abuts against the locking ring, the annular surface of the locking ring moves along the inclined surface of the locking teeth, the locking teeth are tightly pressed through the locking ring, the locking teeth are tightly attached to the pipelines, and locking of the two connecting pieces is achieved.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (5)
1. A plastic pipe connecting structure comprises two pipes, two connecting pieces and a locking assembly, and is characterized in that external threads are respectively arranged on the ends of the two pipes;
the connecting piece includes the sleeve, telescopic one end fixed mounting has flange, telescopic other end fixed mounting has the locking tooth, the setting of sleeve contour direction equipartition and interval is followed to the locking tooth, the surface of locking tooth has the inclined plane that inclination is the same, the sleeve is close to flange's one end inboard and is provided with the internal thread, the cooperation is connect soon with external screw thread to the internal thread, locking Assembly is used for locking two connecting pieces, is provided with the outer seal ring between two flanges.
2. The plastic pipe connecting structure according to claim 1, wherein the locking assembly comprises two locking rings, each locking ring has an annular surface with the same inclination angle as the inclined surface, the locking rings are sleeved outside the locking teeth, a plurality of through holes are formed in the two locking rings in a manner of facing each other, the through holes are uniformly distributed along the circumferential direction of the locking rings, the locking screws penetrate through the through holes, and the end parts of the locking screws, which are positioned outside the through holes, are matched with the locking nuts in a screwing manner.
3. A plastic pipe connecting structure as claimed in claim 2, wherein the locking teeth are fixedly provided with locking blocks on the surface facing the pipe, the pipe is provided with locking grooves facing the locking teeth, and the locking blocks are inserted and fitted in the locking grooves.
4. A plastic pipe connecting structure as claimed in claim 1, wherein the opposing ends of the flanges are recessed to form relief grooves, and an inner seal is disposed between the relief grooves at the ends of the two flanges.
5. A plastic pipe connecting structure as claimed in claim 1, wherein the flange is extended to form a stop ring opposite to the end of the pipe, and the stop ring is fixedly connected with an end sealing ring opposite to the end of the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395567.1U CN215928789U (en) | 2021-09-30 | 2021-09-30 | Plastic pipe fitting connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395567.1U CN215928789U (en) | 2021-09-30 | 2021-09-30 | Plastic pipe fitting connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928789U true CN215928789U (en) | 2022-03-01 |
Family
ID=80406197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122395567.1U Active CN215928789U (en) | 2021-09-30 | 2021-09-30 | Plastic pipe fitting connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928789U (en) |
-
2021
- 2021-09-30 CN CN202122395567.1U patent/CN215928789U/en active Active
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