CN211716008U

CN211716008U - Plastic pipe joint

Info

Publication number: CN211716008U
Application number: CN202020022131.0U
Authority: CN
Inventors: 杨跃明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-20
Anticipated expiration: 2030-01-06

Abstract

The utility model provides a plastic pipe joint for connecting plastic pipes, which comprises a first inner pipe, wherein a first claw is arranged on the periphery of the first inner pipe, the first claw comprises a plurality of openable claw pieces, and a first bolt capable of moving back and forth on the claw pieces is arranged on the first claw; after the plastic pipe is sleeved on the first inner pipe, when the first bolt rotates anticlockwise, the plastic pipe is fixed on the first inner pipe, and when the first bolt rotates clockwise, the plastic pipe is loosened. The plastic pipe joint of this structure compares with the coupling of current structure, and its structure is comparatively simple, and production and use cost are lower, and simultaneously, the operation is also comparatively convenient, need not to take off first bolt from first jack catch, only needs rotatory first bolt can realize the connection to the plastic tubing, and the plastic tubing after connecting can not loosen and take off, connects the reliability splendid.

Description

Plastic pipe joint

Technical Field

The utility model relates to a coupling field, in particular to plastic tubing connects.

Background

In recent years, with the development of science and technology and the advancement of society, plastic pipe joints for connecting two plastic pipes together are widely used, and at present, the types of the pipe joints used in the market are dozens.

At present, a plurality of pipe joints are used, and the following problems are generally existed, firstly, the structure is complex, and the production and use cost is high. Secondly, the connection is not firm, and when the pressure in the plastic pipe is high, the plastic pipe is easy to fall off from the pipe joint, which is the most prominent problem existing in the current pipe joint. Finally, many pipe joints still have the inconvenient problem of operation when being connected with the plastic tubing, and two staff's cooperation is usually just can accomplish the connection, consequently, leads to the problem such as use cost height.

In summary, how to provide a pipe joint with simple structure, reliable connection, convenient operation and low use cost becomes a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the plastic pipe joint has the advantages of simple structure, firm connection, convenient operation and low use cost.

The utility model discloses a solution is realized like this: the utility model provides a plastic pipe joint for connecting plastic pipes, which comprises a first inner pipe, wherein a first claw is arranged on the periphery of the first inner pipe, the first claw comprises a plurality of openable claw pieces, and a first bolt capable of moving back and forth on the claw pieces is arranged on the first claw; after the plastic pipe is sleeved on the first inner pipe, when the first bolt rotates anticlockwise, the plastic pipe is fixed on the first inner pipe, and when the first bolt rotates clockwise, the plastic pipe is loosened. The plastic pipe joint of this structure compares with the coupling of current structure, and its structure is comparatively simple, and production and use cost are lower, and simultaneously, the operation is also comparatively convenient, need not to take off first bolt from first jack catch, only needs rotatory first bolt can realize the connection to the plastic tubing, and the plastic tubing after connecting can not loosen and take off, connects the reliability splendid.

The utility model discloses an another technical scheme lies in on above-mentioned basis, be equipped with the external screw thread on the first jack catch, be equipped with on the first bolt with external screw thread complex internal thread.

Another technical scheme of the utility model lies in on above-mentioned basis, the plastic tubing connects still includes the spacer, first jack catch with the one end of first inner tube all fixed set up in on the spacer.

The utility model discloses an another technical scheme lies in on above-mentioned basis, the periphery of stating first bolt still is equipped with the antislip strip that a plurality of even intervals set up, even interval sets up a plurality of lug on the spacer.

Another technical scheme of the utility model lies in on above-mentioned basis, the plastic tubing connects still includes the second inner tube, first inner tube and second inner tube set up respectively in the both sides of spacer, and the coincidence of the central line of first inner tube and second inner tube.

The utility model discloses a further technical scheme lies in on above-mentioned basis, the periphery of second inner tube is equipped with the second jack catch, the second jack catch includes that a plurality of can open and shut the claw lamella.

Another technical scheme of the utility model lies in on above-mentioned basis, the periphery of second jack catch is equipped with the second bolt that can round trip movement on the claw lamella.

The utility model discloses a another technical scheme lies in on above-mentioned basis, the periphery of second jack catch is equipped with the external screw thread, the inside of second bolt is equipped with complex internal thread with it.

Another technical solution of the present invention is on the basis of the above, the diameter of the first inner tube is equal to that of the second inner tube, or the diameter of the first inner tube is greater than that of the second inner tube.

The utility model discloses an another technical scheme lies in on above-mentioned basis, the periphery of second bolt is equipped with the second antislip strip that a plurality of even intervals set up, and the plastic tubing cover is located back on the second inner tube, during the counter-clockwise rotation of second bolt, fix the plastic tubing on the second inner tube.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

Fig. 1 is a schematic structural view of a plastic pipe joint according to the present invention;

fig. 2 is a schematic front view of a plastic pipe joint according to the present invention;

FIG. 3 is a left side view of FIG. 2;

fig. 4 is a schematic sectional view of a plastic pipe joint according to the present invention.

The corresponding relation of the reference signs is as follows:

1 first inner tube 2 first jaw 3 first bolt

4 first antislip strip 5 spacer 6 second antislip strip

7 second bolt 8 second jaw 9 second inner tube

10 bump

Detailed Description

The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

The embodiment of the present invention is as follows, please refer to the plastic pipe joint shown in fig. 1 to 4, which is used for connecting a plastic pipe, and specifically comprises a first inner pipe 1, a first claw 2 is arranged on the periphery of the first inner pipe 1, the first claw 2 comprises a plurality of claw pieces capable of opening and closing, and the plurality of claw pieces capable of opening and closing are evenly distributed, a first bolt 3 capable of moving back and forth on the claw piece is further arranged on the first claw 2, specifically, after an end of the plastic pipe is sleeved on the first inner pipe 1, the first bolt 3 rotates counterclockwise, at this time, taking fig. 2 as an example, the first bolt 3 moves right, the first bolt 3 gradually presses the plurality of claw pieces on the first claw 2, the plurality of claw pieces gradually close, and presses the periphery of the plastic pipe, so that the first bolt is firmly fixed on the periphery of the first inner pipe 1, and when the first bolt 3 rotates clockwise, the first bolt 3 moves left, at this time, the plurality of claws on the first claw 2 are gradually opened, and at this time, the plastic pipe is released from the first inner pipe 1. The plastic pipe joint of this structure compares with the coupling of current structure, and its structure is comparatively simple, and production and use cost are lower, and simultaneously, the operation is also comparatively convenient, need not to take off first bolt 3 from first jack catch 2, only needs rotatory first bolt 3 can realize the connection to the plastic tubing, and the plastic tubing after connecting can not loosen and take off, connects the reliability splendid.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4, the first jaw 2 is provided with an external thread, the inside of the first bolt 3 is provided with an internal thread matched with the external thread, and when the first bolt 3 is rotated, the first bolt 3 moves left and right along the external thread.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 4, the plastic pipe joint further includes a spacer 5, the first jaw 2 and one end of the first inner pipe 1 are both fixedly disposed on the spacer 5, and taking fig. 2 as an example, the left ends of the first jaw 2 and the first inner pipe 1 are both fixedly disposed on the right side of the spacer 5.

On the basis of the above embodiment, in another embodiment of the utility model, as shown in fig. 1 to fig. 3, for conveniently rotating first bolt 3, the periphery of first bolt 3 still is equipped with a plurality of first antislip strips 4 that even intervals set up, and first antislip strip 4 can also play the effect of strengthening its structural strength simultaneously. In addition, the periphery of the spacer 5 is also provided with a plurality of projections 10.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, the plastic pipe joint further includes a second inner pipe 9, the second inner pipe 9 is disposed on the other side of the spacer 5, i.e. on the left side shown in fig. 2, and the center lines of the first inner pipe 1 and the second inner pipe 9 coincide with each other. In other embodiments, the centerlines of the first and second inner tubes 1, 9 may also be parallel.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, a second claw 8 is further disposed on the periphery of the second inner tube 9, and the second claw 8 has the same or similar structure as the first claw 2, and also includes a plurality of openable claw flaps.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, the second bolt 7 capable of moving back and forth on the claw piece is also arranged on the periphery of the second claw 8. Specifically, the outer periphery of the second jaw 8 is provided with an external thread, the inner part of the second bolt 7 is provided with an internal thread matched with the external thread, when the second bolt 7 rotates counterclockwise, taking fig. 2 as an example, the second bolt 7 moves leftwards, the second bolt 7 gradually extrudes a plurality of jaw pieces on the second jaw 8, the jaw pieces are gradually closed, and pressure is applied to the periphery of the plastic pipe, so that the plastic pipe is firmly fixed on the periphery of the second inner pipe 9, when the second bolt 7 rotates clockwise, namely the second bolt 7 moves rightwards, at this time, the jaw pieces on the second jaw 8 gradually open, and at this time, the plastic pipe is loosened from the second inner pipe 9.

On the basis of the above embodiment, in another embodiment of the present invention, in one embodiment, the diameters of the first inner pipe 1 and the second inner pipe 9 are equal, that is, the inner pipes are used for connecting plastic pipes with the same size. In another embodiment, the diameter of the first inner tube 1 and the diameter of the second inner tube 9 may also be unequal, i.e. for connecting together plastic tubes of different sizes.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 4, the second bolt 7 has the same or similar structure as the first bolt 3, that is, the periphery thereof is provided with a plurality of second anti-slip strips 6 arranged at uniform intervals, and the second anti-slip strips 6 play a role of anti-slip and strengthening the structural strength.

As mentioned earlier, the plastic tubing joint of this structure, compare with the coupling of current structure, its structure is comparatively simple, and production and use cost are lower, and simultaneously, the operation is also comparatively convenient, need not to take off first bolt 3 from first jack catch 2, only needs rotatory first bolt 3 can realize the connection to the plastic tubing, and the plastic tubing after the connection can not loosen and take off, connects the reliability splendid. In a word, it has simple structure, connects firm, convenient operation and use cost low advantage, has wide market prospect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A plastic pipe joint is used for connecting plastic pipes and is characterized by comprising a first inner pipe (1), wherein a first clamping jaw (2) is arranged on the periphery of the first inner pipe (1), the first clamping jaw (2) comprises a plurality of openable and closable jaw pieces, and a first bolt (3) capable of moving back and forth on the jaw pieces is arranged on the first clamping jaw (2);

after the plastic pipe is sleeved on the first inner pipe (1), when the first bolt (3) rotates anticlockwise, the plastic pipe is fixed on the first inner pipe (1), and when the first bolt (3) rotates clockwise, the plastic pipe is loosened.

2. A plastic pipe joint according to claim 1, characterized in that the first jaw (2) is provided with an external thread and the first bolt (3) is provided with an internal thread cooperating with the external thread.

3. The plastic pipe joint according to claim 2, characterized in that it further comprises a spacer (5), the first jaw (2) and one end of the first inner pipe (1) being both fixedly arranged on the spacer (5).

4. The plastic pipe joint according to claim 3, wherein the periphery of the first bolt (3) is further provided with a plurality of first anti-slip strips (4) which are uniformly spaced, and the spacer (5) is provided with a plurality of lugs (10) which are uniformly spaced.

5. The plastic pipe joint according to claim 4, further comprising a second inner pipe (9), wherein the first inner pipe (1) and the second inner pipe (9) are respectively disposed at both sides of the spacer (5), and the center lines of the first inner pipe (1) and the second inner pipe (9) coincide.

6. Plastic pipe joint according to claim 5, wherein the second inner pipe (9) is provided with a second jaw (8) at its periphery, said second jaw (8) comprising a number of openable and closable jaw flaps.

7. Plastic pipe joint according to claim 6, characterized in that the periphery of the second jaw (8) is provided with a second bolt (7) that can move back and forth over the jaw.

8. The plastic pipe joint according to claim 7, wherein the second jaw (8) is externally threaded on its outer periphery and the second bolt (7) is internally threaded for engagement therewith.

9. The plastic pipe joint according to claim 8, wherein the first inner pipe (1) and the second inner pipe (9) have the same diameter, or the first inner pipe (1) has a larger diameter than the second inner pipe (9).

10. The plastic pipe joint according to claim 9, characterized in that the periphery of the second bolt (7) is provided with a plurality of second anti-slip strips (6) which are arranged at regular intervals, and after the plastic pipe is sleeved on the second inner pipe (9), the plastic pipe is fixed on the second inner pipe (9) when the second bolt (7) rotates anticlockwise.