CN217272725U - Connecting device of plastic sounding pipe - Google Patents
Connecting device of plastic sounding pipe Download PDFInfo
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- CN217272725U CN217272725U CN202220774885.0U CN202220774885U CN217272725U CN 217272725 U CN217272725 U CN 217272725U CN 202220774885 U CN202220774885 U CN 202220774885U CN 217272725 U CN217272725 U CN 217272725U
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Abstract
The utility model discloses a connecting device of plastics sounding pipe belongs to the building engineering field. The connecting device comprises a left connector, a right connector, an outer sleeve and two plastic hollow round pipes to be connected. And the left joint is butted with the right joint, and then the connection of the two plastic sounding pipes to be connected is completed through the limit of the outer sleeve on the right joint and the screw connection of the outer sleeve and the left joint. The utility model discloses satisfying under the condition that plastics sounding pipe atress required, utilizing the characteristic of plastics, developing a light in weight, can batch production, and can guarantee that the on-the-spot installation is swift, convenient, firm connecting device, fine solution unreliable, deformation, the scheduling problem that leaks when plastics sounding pipe and outer bushing.
Description
Technical Field
The utility model relates to a construction engineering field, concretely relates to connecting device of plastics sounding pipe.
Background
The industrial standard of the high-strength steel-plastic acoustic pipe is set in the transportation department, and JT/T871-2013, namely the high-strength steel-plastic acoustic pipe for the concrete cast-in-place pile, adopts a clamp-press type casing pipe connection mode as a joint, adopts a plastic acoustic pipe as a main body, adopts a steel casing pipe for forming a rib at the joint of the joint, arranges a sealing ring in the rib, and utilizes hydraulic pliers for extrusion, so that the problems that the steel casing pipe and the plastic are easy to fall off, the hydraulic pliers cannot be extruded in place, and water is easy to leak exist are solved, and the problems that the product has great quality problems and is difficult to popularize and apply although the industrial standard exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the connecting device overcomes the problems that in the prior art, a steel sleeve and plastic are easy to fall off, a hydraulic clamp cannot extrude to a position, and water is easy to leak, uses the characteristics of plastic for reference of the connecting mode of a water supply pipeline in the field of civil buildings, develops the connecting mode of the plastic sounding pipe, develops the connecting device which has light weight, can be produced in a factory under the condition of meeting the axial stress requirement of the plastic sounding pipe, and can ensure that the field installation is rapid, convenient and firm.
The purpose of the utility model is realized like this. The utility model provides a connecting device of a plastic sounding pipe, which comprises a left joint, a right joint, an outer sleeve and two plastic sounding pipes to be connected; wherein, the left joint, the right joint and the outer sleeve are all hollow plastic round pipes; marking the two plastic sound measuring tubes to be connected as a left connecting tube to be connected and a right connecting tube to be connected respectively, wherein the outer diameter and the wall thickness of the left connecting tube to be connected and the outer diameter D of the right connecting tube to be connected are the same 0 And wall thickness d of pipe to be connected 0 ；
Recording one end face of the left joint as an insertion end of a left to-be-connected pipe, sequentially dividing the left joint into an insertion area A1 and a non-insertion area A2 along the axial direction from the insertion end, and arranging a convex rib on the inner wall at the junction of the insertion area A1 and the non-insertion area A2; the inner diameter of the left joint insertion area A1 and the outer diameter D of the pipe to be connected 0 Similarly, the inner diameter of non-insertion region a2 is 1mm to 3mm smaller than the inner diameter of insertion region a 1; the length of the insertion region A1 is more than or equal to 25mm, the length of the non-insertion region A2 is more than or equal to 20mm, and the outer wall of the non-insertion region A2 is provided with external threads;
recording one end face of the right joint as an insertion end of a right pipe to be connected, sequentially dividing the right joint into an insertion area B1 and a non-insertion area B2 along the axial direction from the insertion end, opening a sealing ring groove on the outer wall close to the tail end of the non-insertion area B2, installing a sealing ring in the sealing ring groove, and sleeving another sealing ring on the outer wall of a non-insertion area B2 at the joint of the insertion area B1 and the non-insertion area B2; the inner diameter of the insertion region B1 and the outer diameter D of the pipe to be connected 0 Similarly, the outer diameter of non-inset region B2 is at least 0.3mm less than the inner diameter of non-inset region a 2; the length of the non-insertion region B2 is at least 1mm less than the length of the non-insertion region a2, and the length of the insertion region B1 is the same as the length of the insertion region a 1;
the inner wall of the outer sleeve is fully distributed with internal threads corresponding to the external threads, the inner diameter of the tail part of one end is reduced to form an annular tail part, and the inner diameter of the annular tail part is D 1 ，D 1 The outer diameter of the tube is more than 0.3mm and less than the outer diameter of the insertion area B1 by more than 2.0 mm; the length of the outer sleeve is the sum of the length of the external thread part, the length of the insertion area B1 and the length of the annular tail part; a plurality of strip-shaped bulges along the axial direction are uniformly distributed on the outer wall of the outer sleeve;
the left connecting pipe to be connected is compounded in an insertion area A1 of the left connector through a bonding agent, the right connecting pipe to be connected is compounded in an insertion area B1 of the right connector through the bonding agent, a non-insertion area B2 is sleeved in the non-insertion area A2, an outer sleeve is sleeved outside the left connector and the right connector, the inner wall of the annular tail portion is clamped on the end face of the insertion end of the right connector, and internal threads on the outer sleeve are locked with external threads of the left connector.
Preferably, the width and height of the convex rib are both larger than 3mm, d 0 ＝3mm-5mm，D 0 ＝50-70mm。
Preferably, the length of the annular tail portion is from 3mm to 5 mm.
Preferably, the thread height of the internal thread and the external thread is 3mm-5 mm.
Preferably, the adhesive is a pvc pipe adhesive.
The beneficial effects of the utility model reside in that:
1. most of the water supply pipelines in the civil building field are horizontally connected in a water pipe connection mode, the requirement on the outer diameter of a joint is not high, and the bridge pile foundation sounding pipes are vertically connected on site and need to be transported in length, so that the diameter of the joint is as small as possible under the condition that the joint meets the stress, and the packing and transportation are convenient;
2. on the premise of ensuring the pulling force between the left joint pipe and the right joint pipe and the pipe to be connected, the length of the left joint pipe or the right joint pipe inserted into the pipe to be connected is as short as possible so as to reduce the joint cost, and the length of the joint pipe inserted into the pipe to be connected is more than or equal to 2.5 cm by taking the reference of the field of water pipes; the length of the joint inserted into the pipe to be connected is as short as possible, so that the cost is reduced;
3. adopt multiple design to reduce job site operation's the degree of difficulty, include:
(1) the sealing rings adopt double sealing rings to ensure that the connecting part still does not leak water under the condition that field operation workers are not in place for connection;
(2) the left joint and the right joint are designed by considering a limiting and guiding device, so that workers can simply install in factories and on sites, and human errors are reduced as much as possible; the limiting device is a convex rib, and the guiding device is arranged at D 2 And D 0 A gap of 6 is left between the two parts, and the gap plays a role in guiding;
(3) the outer side of the outer sleeve is provided with the convex rib which can be tightened by a crescent spanner, so that the problem that a worker is not connected in place is solved;
(4) the left connector and the pipe to be connected, the right connector, the outer sleeve and the pipe to be connected are connected well in a factory, and a construction site only needs to tighten the screw openings of the left connector pipe and the outer sleeve, so that the problem of connection of the on-site hydraulic pliers is solved, and the aims of factory production and on-site assembly are fulfilled.
Drawings
FIG. 1 is an exploded sectional view of the connecting device of the present invention;
FIG. 2 is an exploded view of the connecting device of the present invention;
FIG. 3 is an assembled cross-sectional view of the connecting device of the present invention;
fig. 4 is an external schematic view of the connection device according to the present invention after assembly.
Fig. 5 is a schematic diagram of the state of the present invention when it leaves the factory.
Wherein, 1, a left joint; 2. a right connector; 3. an outer sleeve; 4. a left pipe to be connected; 5. a right pipe to be connected; 6. an external thread; 7. an internal thread; 8. a seal ring; 9. a rib is protruded; 10. strip-shaped bulges; 11. a circular tail.
Detailed Description
The present invention will be described in detail by way of examples.
Fig. 1 is a structural exploded sectional view of the connecting device of the present invention, and fig. 2 is a structural exploded schematic view of the connecting device of the present invention. As can be seen from fig. 1 and 2, the utility model relates to a connecting device for plastic sounding pipes, which is characterized in that the connecting device comprises a left joint 1, a right joint 2, an outer sleeve 3 and two plastic sounding pipes to be connected; wherein, the left joint 1, the right joint 2 and the outer sleeve 3 are all hollow plastic round pipes; marking two to-be-connected plastic sound measuring tubes as a left to-be-connected tube 4 and a right to-be-connected tube 5 respectively, wherein the outer diameter and the wall thickness of the left to-be-connected tube 4 and the right to-be-connected tube 5 are the same, and marking the outer diameter D of the to-be-connected tube respectively 0 And wall thickness d of pipe to be connected 0 。
In this embodiment, d 0 ＝3mm-5mm，D 0 ＝50-70mm。
One end face of the left joint 1 is an insertion end of the left to-be-connected pipe 4, the left joint 1 is sequentially divided into an insertion area A1 and a non-insertion area A2 along the axial direction from the insertion end, and a convex rib 9 is arranged on the inner wall of the junction of the insertion area A1 and the non-insertion area A2. The inner diameter of the insertion area A1 of the left joint 1 and the outer diameter D of the pipe to be connected 0 Similarly, the inner diameter of non-insertion region a2 is at least 1mm to 3mm less than the inner diameter of insertion region a 1; the length of the insertion area A1 is more than or equal to 25mm, the length of the non-insertion area A2 is more than or equal to 20mm, and the outer wall of the non-insertion area A2 is provided with an external thread 6.
In this embodiment, the rib width and the rib height of the rib 9 are both greater than 3 mm. The convex rib 9 has a limiting effect on the insertion depth of the left to-be-connected pipe 4. The length of the insertion region a1 is designed by trial and error so that the adhesive bond strength of the insertion region a1 and the two pipes to be joined is greater than 300 kg.
Recording an end face of the right joint 2 as an insertion end of a right pipe 5 to be connected, sequentially dividing the right joint 2 into an insertion area B1 and a non-insertion area B2 along the axial direction from the insertion end, opening a sealing ring groove on the outer wall close to the tail end of the non-insertion area B2, installing a sealing ring 8 in the sealing ring groove, and sleeving another sealing ring on the outer wall of a non-insertion area B2 at the joint of the insertion area B1 and the non-insertion area B2A seal ring 8; the inner diameter of the insertion region B1 and the outer diameter D of the pipe to be connected 0 Similarly, the outer diameter of non-inset region B2 is at least 0.3mm less than the inner diameter of non-inset region a 2; the length of non-insertion region B2 is at least 1mm less than the length of non-insertion region a2, and the length of insertion region B1 is the same as the length of insertion region a 1.
The gap between the outer diameter of the non-insertion region B2 and the non-insertion region A2 facilitates insertion and enables the non-insertion region B2 to play a guiding role in the insertion process; the length of the non-insertion region B2 is set to facilitate the compression of the seal ring 8 when the left joint 1 is connected with the right joint 2.
In the present embodiment, the portion of the left joint 1 having the male screw 6 is reinforced on the inner wall, and the portion of the right joint 2 having the gasket groove is reinforced on the inner wall. The purpose of the several reinforcing parts is to make the wall thickness of the notch larger than d after grooving 0 So as to be beneficial to stress.
The inner wall of the outer sleeve (3) is fully distributed with internal threads 7 corresponding to the external threads 6, the inner diameter of the tail part of one end is reduced to form an annular tail part 11, and the inner diameter of the annular tail part 11 is recorded as D 1 ，D 1 The outer diameter of the right pipe 5 to be connected is more than 0.3mm and is less than the outer diameter of the insertion area B1 by more than 2.5 mm; the length of the outer sleeve 3 is the sum of the length of the part of the external thread 6, the length of the insertion area B1 and the length of the annular tail part 11; a plurality of strip-shaped bulges along the axial direction are uniformly distributed on the outer wall of the outer sleeve 3;
in this embodiment, the length of the portion of the annular tail 11 is 3mm to 5 mm.
The left connecting pipe 4 to be connected is compounded in an insertion area A1 of the left connector 1 through a bonding agent, the right connecting pipe 5 to be connected is compounded in an insertion area B1 of the right connector 2 through the bonding agent, a non-insertion area B2 is sleeved in a non-insertion area A2, the outer sleeve 3 is sleeved outside the left connector 1 and the right connector 2, the inner wall of the annular tail portion 11 is clamped on the end face of the insertion end of the right connector 2, and the internal thread 7 on the outer sleeve 3 is locked with the external thread 6 of the left connector 1.
In the present embodiment, the height of the internal thread 7 and the external thread 6 is 3mm to 5 mm. The adhesive is a PVC pipe adhesive.
The restriction of the internal diameter at the annular tail 11 is convenient for moving and plays a role in limiting. Namely, after the left joint 1 and the right joint 2 are connected, the left joint 1 and the right joint 2 which are subjected to axial tension do not fall off through the limit. The purpose of arranging a plurality of strip-shaped bulges on the outer wall of the outer sleeve 3 is to facilitate the screwing of the outer sleeve by a special crescent spanner. In this embodiment, the height of the projections is 3 mm.
Fig. 3 is an assembly sectional view of the connecting device of the present invention, and fig. 4 is an external schematic view of the connecting device of the present invention after assembly.
Fig. 5 is a schematic diagram of the present invention leaving the factory. It can be seen from the figure that one end of a pipe to be connected, namely a plastic sounding pipe, is marked as a female end, the female end is inserted into a left connector 1, the other end is marked as a male end, an outer sleeve 3 is sleeved on the male end, then the male end is inserted into a right connector, and then two sealing rings 8 are installed at specified positions, namely the work is well connected in a factory. The construction site only needs to be in butt joint with other pipes to be connected, specifically, the female end corresponds to the male end, the outer sleeve 3 is limited firstly, and then the outer sleeve 3 and the screw thread of the left connector 1 are tightened. Because the main connection is carried out in the factory, the reliability of the connection is ensured, and the possibility of water leakage and falling is reduced.
Claims (5)
1. The connecting device of the plastic sounding pipe is characterized by comprising a left joint (1), a right joint (2), an outer sleeve (3) and two plastic sounding pipes to be connected; wherein the left joint (1), the right joint (2) and the outer sleeve (3) are all hollow plastic round pipes; marking two plastic sound measuring tubes to be connected as a left connecting tube (4) to be connected and a right connecting tube (5) to be connected respectively, wherein the outer diameter and the wall thickness of the left connecting tube (4) to be connected and the right connecting tube (5) to be connected are the same, and marking the outer diameter D of the left connecting tube and the outer diameter D of the right connecting tube as the outer diameter of the right connecting tube 0 And wall thickness d of pipe to be connected 0 ；
Recording one end face of the left joint (1) as an insertion end of a left to-be-connected pipe (4), sequentially dividing the left joint (1) into an insertion area A1 and a non-insertion area A2 along the axial direction from the insertion end, and arranging a convex rib (9) on the inner wall of the junction of the insertion area A1 and the non-insertion area A2; the inner diameter of the insertion area A1 of the left joint (1) and the outer diameter D of the pipe to be connected 0 Similarly, the inner diameter of non-insertion region A2 is greater than that of insertion region A1Is 1mm to 3mm smaller; the length of the insertion region A1 is more than or equal to 25mm, the length of the non-insertion region A2 is more than or equal to 20mm, and the outer wall of the non-insertion region A2 is provided with an external thread (6);
recording one end face of the right connector (2) as an insertion end of a right to-be-connected pipe (5), sequentially dividing the right connector (2) into an insertion area B1 and a non-insertion area B2 from the insertion end along the axial direction, forming a sealing ring groove on the outer wall close to the tail end of the non-insertion area B2, arranging a sealing ring (8) in the sealing ring groove, and sleeving another sealing ring (8) on the outer wall of a non-insertion area B2 at the joint of the insertion area B1 and the non-insertion area B2; the inner diameter of the insertion region B1 and the outer diameter D of the pipe to be connected 0 Similarly, the outer diameter of non-insertion region B2 is at least 0.3mm less than the inner diameter of non-insertion region a 2; the length of the non-insertion region B2 is at least 1mm less than the length of the non-insertion region a2, and the length of the insertion region B1 is the same as the length of the insertion region a 1;
the inner wall of the outer sleeve (3) is fully distributed with internal threads (7) corresponding to the external threads (6), the inner diameter of the tail part at one end is reduced to form an annular tail part (11), and the inner diameter of the annular tail part (11) is recorded as D 1 ，D 1 The outer diameter of the right pipe (5) to be connected is more than 0.3mm and is less than the outer diameter of the insertion area B1 by more than 2.0 mm; the length of the outer sleeve (3) is the sum of the length of the external thread (6), the length of the insertion area B1 and the length of the annular tail part (11); a plurality of strip-shaped bulges along the axial direction are uniformly distributed on the outer wall of the outer sleeve (3);
the left side is treated the connecting pipe (4) and is compounded in the insertion area A1 of left joint (1) through the binder, the right side is treated the connecting pipe (5) and is compounded in the insertion area B1 of right joint (2) through the binder, non-insertion area B2 suit is in non-insertion area A2, outer tube (3) suit is outside left joint (1) and right joint (2), and the inner wall card of cyclic annular afterbody (11) is on the terminal surface of right joint (2) insertion end, internal thread (7) on outer tube (3) and external screw thread (6) of left joint (1) lock.
2. A plastic sounding pipe connection device according to claim 1, characterized in that the rib width and rib height of the ribs (9) are both greater than 3mm, d 0 ＝3mm-5mm，D 0 ＝50-70mm。
3. A plastic sounding pipe connection according to claim 1, characterized in that the length of the ring-shaped tail (11) part is 3-5 mm.
4. The plastic acoustic pipe connection according to claim 1, wherein the thread height of the internal thread (7) and the external thread (6) is 3mm to 5 mm.
5. A plastic acoustic pipe coupling apparatus according to claim 1, wherein said adhesive is pvc pipe adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220774885.0U CN217272725U (en) | 2022-04-02 | 2022-04-02 | Connecting device of plastic sounding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220774885.0U CN217272725U (en) | 2022-04-02 | 2022-04-02 | Connecting device of plastic sounding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217272725U true CN217272725U (en) | 2022-08-23 |
Family
ID=82875090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220774885.0U Active CN217272725U (en) | 2022-04-02 | 2022-04-02 | Connecting device of plastic sounding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217272725U (en) |
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2022
- 2022-04-02 CN CN202220774885.0U patent/CN217272725U/en active Active
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