CN215568858U - Sealing joint for PP pipe - Google Patents

Abstract

The utility model discloses a sealing joint for a PP (polypropylene) pipe, which comprises a first pipeline, a second pipeline and a connecting sleeve, wherein the first pipeline and the second pipeline are the same in size, L-shaped clamping grooves distributed annularly are formed in opposite surfaces of the first pipeline and the second pipeline, L-shaped clamping blocks enter the L-shaped clamping grooves when the first pipeline and the second pipeline are inserted into slots through the L-shaped clamping grooves formed in the outer side walls of the first pipeline and the second pipeline, the L-shaped clamping blocks are clamped in the L-shaped clamping grooves by rotating the connecting sleeve, and therefore the phenomenon that the first pipeline, the second pipeline and the connecting sleeve are slipped is effectively avoided.

Description

Sealing joint for PP pipe

Technical Field

The utility model relates to the technical field of PP pipes, in particular to a sealing joint for a PP pipe.

Background

The PP pipe is a non-toxic, sanitary, high temperature resistant and recyclable pipe type, is mainly applied to an indoor cold and hot water supply system of a building, and is also widely applied to a heating system.

The existing PP pipe is influenced by constructors and pipe joints in the actual installation and use process, the PP pipe is generally in a threaded connection mode, but the PP pipe is easily slipped in a long-time use mode, so that the situation of poor sealing can be caused, and the situation of leakage occurs at the joint of the PP pipe and the pipe joint.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, namely the problems in the background art, the utility model provides a sealing joint for a PP pipe, which comprises a first pipeline, a second pipeline and a connecting sleeve, wherein the first pipeline and the second pipeline are the same in size, L-shaped clamping blocks which are distributed annularly are fixedly arranged on opposite surfaces of the first pipeline and the second pipeline, a slot which is spliced with the first pipeline and the second pipeline is formed in the inner side wall of the connecting sleeve, an L-shaped clamping groove which is matched with the L-shaped clamping blocks is formed in the inner side wall of the slot, a clamping component is fixedly arranged on the outer side wall of the connecting sleeve, a connecting sleeve ring is fixedly arranged on the inner side wall of the connecting sleeve, and the outer side wall of the connecting sleeve is attached to the inner side walls of the first pipeline and the second pipeline.

Preferably, the joint subassembly includes two lantern rings, sleeve pipe and annular piece, two the lantern ring cup joints respectively on first pipeline and second pipeline, the sleeve pipe cup joints on adapter sleeve, annular piece and adapter sleeve fixed mounting are passed through at sheathed tube inside wall middle part, two the inside wall of the lantern ring rotates installs the snap ring, two the opposite face fixed mounting of snap ring have with L shape fixture block assorted stopper, two the lateral wall and the sheathed tube inside wall spiro union of the lantern ring.

Preferably, the outer side wall of the connecting lantern ring is fixedly provided with a sealing rubber sleeve.

Preferably, the outer side walls of the two lantern rings are fixedly provided with the screwing blocks.

Preferably, the pipe wall of the connecting sleeve is the same as the pipe walls of the first pipeline and the second pipeline.

Preferably, the inner diameters of the two snap rings are the same as the outer diameters of the first pipeline and the second pipeline, and the inner diameters of the two lantern rings are the same as the outer diameter of the connecting sleeve.

The beneficial technical effects of the utility model are as follows: a sealing joint for a PP pipe is characterized in that an L-shaped clamping block enters the L-shaped clamping groove through the L-shaped clamping groove arranged on the outer side wall of a first pipeline and a second pipeline when the first pipeline and the second pipeline are inserted into a slot, the L-shaped clamping block is clamped in the L-shaped clamping groove by rotating a connecting sleeve, so that the first pipeline, the second pipeline and the connecting sleeve are effectively prevented from slipping, the positions between the first pipeline and the connecting sleeve and between the second pipeline and the connecting sleeve can be limited by arranging a clamping component, the first pipeline and the second pipeline are prevented from being separated from the connecting sleeve, the price reduction and tight connection performance are further realized, the disassembly and assembly are convenient, the inner side end of the connecting sleeve can be shielded by arranging the connecting sleeve, the connecting sleeve is effectively prevented from being sealed with the first pipeline and the second pipeline, the connecting sleeve can be supported, and the firm strength is further increased, the sealing rubber sleeve is fixedly arranged on the outer side wall of the connecting sleeve, so that the sealing strength between the connecting sleeve and the first pipeline and between the connecting sleeve and the second pipeline is further increased.

Drawings

Fig. 1 shows a schematic structural diagram of the present invention.

Fig. 2 shows a partial exploded view of the present invention.

Fig. 3 shows a schematic view of the inventive bushing and connecting bushing connection.

Figure 4 shows a schematic of the collar and snap ring construction of the present invention.

Reference numeral 1, first pipeline, 2, second pipeline, 3, adapter sleeve, 4, L shape fixture block, 5, slot, 6, L shape draw-in groove, 7, the adapter sleeve ring, 8, the lantern ring, 9, sleeve pipe, 10, annular piece, 11, snap ring, 12, sealing rubber sleeve, 13, twist piece, 14, stopper.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The utility model provides a sealing joint for a PP pipe, which comprises a first pipeline 1, a second pipeline 2 and a connecting sleeve 3, wherein the first pipeline 1 and the second pipeline 2 are the same in size, L-shaped clamping blocks 4 distributed annularly are fixedly arranged on opposite surfaces of the first pipeline 1 and the second pipeline 2, two ends of the inner side wall of the connecting sleeve 3 are provided with inserting grooves 5 inserted with the first pipeline 1 and the second pipeline 2, the inner side wall of each inserting groove 5 is provided with an L-shaped clamping groove 6 matched with the L-shaped clamping block 4, the outer side wall of the connecting sleeve 3 is fixedly provided with a clamping component, the inner side wall of the connecting sleeve 3 is fixedly provided with a connecting sleeve ring 7, the outer side wall of the connecting sleeve ring 7 is attached to the inner side walls of the first pipeline 1 and the second pipeline 2, the first pipeline 1 and the second pipeline 2 are PP pipes in the prior art, when the first pipeline 1 and the second pipeline 2 are spliced, the first pipeline 1 and the second pipeline 2 are respectively inserted into the slot 5, the L-shaped clamping block 4 enters the L-shaped clamping groove 6, the L-shaped clamping block 4 is clamped in the L-shaped clamping groove 6 by rotating the connecting sleeve 3, the L-shaped clamping block 4 is enabled to have a horizontal restraining force, and further the phenomenon of slipping is avoided, then the positions of the first pipeline 1 and the second pipeline 2 and the connecting sleeve 3 are limited by the clamping component, further the first pipeline 1 and the second pipeline 2 are prevented from being separated from the slot 5, and the use stability is improved.

Specifically, the clamping assembly comprises two lantern rings 8, a sleeve 9 and an annular block 10, the two lantern rings 8 are respectively sleeved on a first pipeline 1 and a second pipeline 2, the sleeve 9 is sleeved on a connecting sleeve 3, the middle part of the inner side wall of the sleeve 9 is fixedly installed with the connecting sleeve 3 through the annular block 10, snap rings 11 are rotatably installed on the inner side walls of the two lantern rings 8, limit blocks 14 matched with L-shaped fixture blocks 4 are fixedly installed on opposite surfaces of the two snap rings 11, the outer side walls of the two lantern rings 8 are in threaded connection with the inner side wall of the sleeve 9, when the first pipeline 1 is connected with the second pipeline 2, the two lantern rings 8 are firstly respectively sleeved on the first pipeline 1 and the second pipeline 2 to be spliced, when the L-shaped fixture blocks 4 are clamped in the L-shaped clamping grooves 6, the two lantern rings 8 are respectively slid to enable the limit blocks 14 to be inserted into the L-shaped clamping grooves 6, the position of the L-shaped fixture block 4 is limited, then the lantern ring 8 is rotated, the lantern ring 8 is in threaded connection with the inner wall of the sleeve 9, the lantern ring 8 is sleeved on the connecting sleeve 3, the snap ring 11 is attached to the end face of the connecting sleeve 3, and then the position of the connecting sleeve 3 is limited.

Specifically, the outer side wall of the connection sleeve ring 7 is fixedly provided with a sealing rubber sleeve 12, so that the sealing performance between the connection sleeve ring 7 and the first pipeline 1 and the second pipeline 2 is improved.

Particularly, two the lateral wall fixed mounting of lantern ring 8 has and screws up piece 13, conveniently screws and moves lantern ring 8.

Specifically, the pipe wall of the connecting sleeve 3 is the same as that of the first pipeline 1 and the second pipeline 2, so that the tight connection performance is improved.

Specifically, the inner diameters of the two snap rings 11 are the same as the outer diameters of the first pipe 1 and the second pipe 2, and the inner diameters of the two collars 8 are the same as the outer diameter of the connection sleeve 3, so that the tight connection performance is increased.

The working principle is as follows: when the utility model is used, when a first pipeline 1 and a second pipeline 2 are connected, firstly, two lantern rings 8 are respectively sleeved on the first pipeline 1 and the second pipeline 2 to be spliced, the first pipeline 1 and the second pipeline 2 are respectively inserted into the slot 5, the sealing rubber ring 12 is jointed with the outer walls of the first pipeline 1 and the second pipeline 2, the L-shaped clamping block 4 enters the L-shaped clamping groove 6, the L-shaped clamping block 4 is clamped in the L-shaped clamping groove 6 by rotating the connecting sleeve 3, so that the L-shaped clamping block 4 has a horizontal restraining force to avoid the phenomenon of slipping, then the two lantern rings 8 are respectively slid, the limiting block 14 is inserted into the L-shaped clamping groove 6 to limit the position of the L-shaped clamping block 4, then the lantern ring 8 is rotated to lead the lantern ring 8 to be in threaded connection with the inner wall of the sleeve 9, the lantern ring 8 is sleeved on the connecting sleeve 3, the snap ring 11 is jointed with the end face of the connecting sleeve 3 to limit the position of the connecting sleeve 3, and further avoid first pipeline 1 and second pipeline 2 to break away from the slot, increase stability in use.

While the utility model has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the utility model. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims (6)

1. The utility model provides a sealing joint for PP pipe which characterized in that: including first pipeline (1), second pipeline (2) and adapter sleeve (3), the size of first pipeline (1) and second pipeline (2) is the same, the equal fixed mounting of opposite face of first pipeline (1) and second pipeline (2) has L shape fixture block (4) that the annular distributes, slot (5) of pegging graft mutually with first pipeline (1) and second pipeline (2) are seted up to the inside wall of adapter sleeve (3), the inside wall of slot (5) is seted up with L shape fixture block (4) assorted L shape draw-in groove (6), the lateral wall fixed mounting of adapter sleeve (3) has the joint subassembly, the inside wall fixed mounting of adapter sleeve (3) has the adapter sleeve ring (7), the lateral wall of adapter sleeve ring (7) all laminates with the inside wall of first pipeline (1) and second pipeline (2).

2. The sealing joint for the PP pipe according to claim 1, wherein: the joint subassembly includes two lantern rings (8), sleeve pipe (9) and annular piece (10), two the lantern ring (8) cup joints respectively on first pipeline (1) and second pipeline (2), sleeve pipe (9) cup joint on adapter sleeve (3), the inside wall middle part of sleeve pipe (9) is through annular piece (10) and adapter sleeve (3) fixed mounting, two snap ring (11), two are installed in the inside wall rotation of the lantern ring (8) the opposite face fixed mounting of snap ring (11) has stopper (14) with L shape fixture block (4) assorted, two the lateral wall of the lantern ring (8) and the inside wall spiro union of sleeve pipe (9).

3. The sealing joint for the PP pipe according to claim 1, wherein: and a sealing rubber sleeve (12) is fixedly arranged on the outer side wall of the connecting lantern ring (7).

4. The sealing joint for the PP pipe as claimed in claim 2, wherein: and the outer side walls of the two lantern rings (8) are fixedly provided with screwing blocks (13).

5. The sealing joint for the PP pipe according to claim 1, wherein: the pipe wall of the connecting sleeve (3) is the same as the pipe walls of the first pipeline (1) and the second pipeline (2).

6. The sealing joint for the PP pipe as claimed in claim 2, wherein: the inner diameters of the two snap rings (11) are the same as the outer diameters of the first pipeline (1) and the second pipeline (2), and the inner diameters of the two lantern rings (8) are the same as the outer diameter of the connecting sleeve (3).

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