Pipe connecting component

Abstract

The utility model discloses a pipe connecting component, and belongs to the technical field of pipeline connection. The core tube comprises a core tube body and a connecting column fixedly connected to the interior of the core tube body. An inserting cavity is formed between the outer wall of the connecting column and the core pipe body, the inner wall of the connecting column is provided with an internal thread, a plurality of locking pieces are arranged at the end of the core pipe body in a circumferential array mode, the outer portion of the core pipe body is in threaded connection with a thread sleeve, and an annular structure driving face which is obliquely arranged is formed in the thread sleeve. According to the quick pipe connecting device, the beneficial effects that the quick pipe connecting device can be used for quickly connecting pipes, and the sealing performance and the connecting reliability are good are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to a pipe connecting component. Background Art

[0002] When irrigating crops, vegetation or other temporary drainage, the problem of insufficient length of water pipes is often encountered, and splicing is needed to extend the pipeline. In order to facilitate storage after use, hoses are usually used. The connection between traditional hoses is usually made of a section of hard pipe transition connection, and steel wire is wrapped around the end of the hose to fix it to the hard pipe. In this way, there is water leakage at the pipe joint position. Not only the reliability of the pipe connection cannot be guaranteed, but the steel wire is also easy to scratch the pipeline when moving the pipeline. Utility Model Content

[0003] The utility model aims to overcome the defects of the prior art and provide a pipe connecting component which can quickly connect pipes and has good sealing performance.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The pipe connecting component disclosed in the utility model comprises:

[0006] A core tube, the core tube comprising a core tube body and a connecting column fixedly connected to the core tube body;

[0007] An insert cavity is formed between the outer wall of the connecting column and the core tube body, the inner wall of the connecting column has an internal thread, and a plurality of locking plates are arranged in a circumferential array at the end of the core tube body, wherein a threaded sleeve is connected to the outer thread of the core tube body, and an inclined annular structure driving surface is formed inside the threaded sleeve for synchronously driving the deformation of the plurality of locking plates to neck the insert cavity.

[0008] Furthermore, the thickness of the locking piece is smaller than the thickness of the end connected to the core tube body, and the end of the locking piece is fixedly connected with at least one protruding tooth on the side of the plug-in cavity.

[0009] Furthermore, a first sealing member is provided on the outer wall at the end of the connecting column.

[0010] Furthermore, a first groove is provided on the outer wall of the end of the connecting column, a first sealing member is installed in the first groove, and the first sealing member is an elastic sealing ring.

[0011] Furthermore, a second sealing member is provided on the end surface of the connecting column.

[0012] Furthermore, a second groove is provided on the end surface of the terminal end of the connecting column, a second sealing member is installed in the second groove, and the second sealing member is an elastic sealing ring.

[0013] Furthermore, the connecting columns are symmetrically fixedly connected to both ends of the core tube body.

[0014] Furthermore, a boss is formed in the middle of the core tube body, and the outer diameter of the boss is larger than the outer diameter of the screw sleeve.

[0015] In the above technical solution, the pipe connecting component provided by the utility model has the following beneficial effects:

[0016] The pipe connecting component designed by the utility model has an inserting cavity formed between the outer wall of the connecting column and the core tube body. During assembly, the end of the pipe is inserted into the inserting cavity, and a plurality of locking plates are arranged in a circumferential array at the end of the core tube body. The outer thread of the core tube body is connected with a screw sleeve. When the screw sleeve is threadedly connected to the core tube body, the screw sleeve synchronously drives the plurality of locking plates to deform through the driving surface, so that the inserting cavity is necked and the pipe inserted in the inserting cavity is tightly held, thereby completing the quick connection of the pipeline. Secondly, the inner wall of the connecting column has an internal thread, and the internal thread is used to connect hard pipes. The core tube can selectively connect two pipes of different materials through the internal thread, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a front view of the pipe connecting component disclosed in the utility model;

[0019] Figure 2 This is a schematic diagram of the state of the pipe connecting component connected to the pipe disclosed in the utility model;

[0020] Figure 3 It is a front view of the pipe installation assembly disclosed in the utility model;

[0021] Figure 4 It is a partial cross-sectional view of the pipe installation assembly disclosed in the utility model.

[0022] Description of reference numerals:

[0023] 1. Core tube body; 2. Screw sleeve; 3. First sealing member; 4. Second sealing member; 5. Soft pipe; 6. Hard pipe;

[0024] 101, connecting column; 102, plug-in cavity; 103, locking piece; 104, convex tooth;

[0025] 201, driving surface;

[0026] 601. Limiting surface. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figure 1 As shown:

[0029] The utility model pipe connecting component comprises: a core pipe;

[0030] The core tube includes a core tube body 1 and a connecting column 101;

[0031] The two ends of the core tube body 1 are symmetrically fixed with connecting columns 101;

[0032] An inserting cavity 102 is formed between the outer wall of the connecting column 101 and the core tube body 1. During assembly, the end of the tube is inserted into the inserting cavity 102. In addition, the inner wall of the connecting column 101 has an internal thread, through which the core tube can selectively connect two tubes of different materials.

[0033] There are a plurality of locking pieces 103 arranged in a circumferential array at the end of the core tube body 1, that is, the plurality of locking pieces 103 are covered on the outside of the connecting column 101, wherein the outer surface of the core tube body 1 is threadedly connected with a screw sleeve 2, and an inclined annular structure driving surface 201 is formed inside the screw sleeve 2. When the screw sleeve 2 is threadedly connected to the core tube body 1, the screw sleeve 2 is displaced along the axis of the core tube body 1, and the screw sleeve 2 synchronously drives the plurality of locking pieces 103 to deform through the driving surface 201, so that the plug-in cavity 102 is necked and tightly holds the pipe plugged in the plug-in cavity 102;

[0034] Preferably, the thickness of the locking piece 103 is smaller than the thickness of the connection end with the core tube body 1, so that the plug-in cavity 102 forms a conical cavity. The end with a larger diameter of the conical cavity is located at the end of the locking piece 103, which is convenient for the insertion of the soft tube 5. The end of the locking piece 103 is located on the side of the plug-in cavity 102 and is fixedly connected with at least one convex tooth 104. The convex tooth 104 contacts the outer wall of the soft tube 5 to prevent the soft tube 5 from detaching from the connecting column 101, thereby ensuring a firm lock.

[0035] See also Figure 2 As shown:

[0036] Preferably, a first sealing member 3 is provided on the outer wall at the end of the connecting column 101, and a first groove is provided on the outer wall at the end of the connecting column 101. The first sealing member 3 is installed in the first groove. The first sealing member 3 is an elastic sealing ring, which abuts against the inner wall of the pipe inserted in the plug-in cavity 102 through the first sealing member 3 to ensure the sealing when the pipe is connected.

[0037] Preferably, a second sealing member 4 is provided on the end face of the connecting column 101, a second groove is provided on the end face of the connecting column 101, a second sealing member 4 is installed in the second groove, and the second sealing member 4 is an elastic sealing ring. When the inner wall of the connecting column 101 is connected to the pipe, in order to ensure the sealing between the pipe and the connecting column 101, the second sealing member 4 is in sealing contact with the connecting end face of the pipe.

[0038] See also Figure 1 As shown:

[0039] Preferably, a boss is formed in the middle of the core tube body 1, and the outer diameter of the boss is larger than the outer diameter of the screw sleeve 2. By setting the outer diameter of the boss larger than the outer diameter of the screw sleeve 2, it is easy to grasp and manually tighten the screw sleeve 2;

[0040] See also Figure 3 As shown:

[0041] When installing the pipes, the pipe installation assembly includes a soft pipe 5 and a hard pipe 6, and a pipe connecting member, through which two adjacent soft pipes 5 are transitionally connected and the soft pipe 5 and the hard pipe 6 are transitionally connected;

[0042] See also Figure 3 , 4 As shown:

[0043] The pipe connecting component includes a core pipe, which has a core pipe body 1 and a connecting column 101 fixedly connected to the core pipe body 1. The core pipe body 1 is plug-in connected to the soft pipe 5 through the connecting column 101 and is threadedly connected to the hard pipe 6 through the connecting column 101. A faucet is fixedly connected to the end of the hard pipe 6.

[0044] When the two ends of the core tube body 1 are transitionally connected to two adjacent soft pipes 5, the core tube body 1 is connected to the soft pipe 5 in the form of a plug-in connection through the connecting column 101, and the outer wall of the soft pipe 5 can be deformed by the screw sleeve 2 and the locking plate 103 to make the plug-in cavity 102 shrink and hold the plugged soft pipe 5 tightly, or the connecting column 101 is exposed to the outside and the soft pipe 5 is locked by the stainless steel throat clamp in the prior art.

[0045] When one end of the core tube body 1 is plug-connected with the soft pipe 5 through the connecting column 101, and the other end is threadedly connected with the hard pipe 6 through the connecting column 101, a faucet is installed at the end of the hard pipe 6, and a protrusion is formed on the outside of the hard pipe 6. The side wall of the protrusion forms a limited surface 601, and the limited surface 601 is in sealing contact with the end surface of the connecting column 101, so as to realize the transition connection of two pipes of different materials. A faucet is fixedly connected to the end of the hard pipe 6, and the water flow is timely closed by the faucet. Of course, the faucet can also be a valve that can be manually closed in the prior art:

[0046] In the above technical solution, the pipe connecting component provided by the utility model has the following beneficial effects:

[0047] The pipe connecting component designed by the utility model has an inserting cavity formed between the outer wall of the connecting column and the core tube body. During assembly, the end of the pipe is inserted into the inserting cavity, and a plurality of locking plates are arranged in a circumferential array at the end of the core tube body. The outer thread of the core tube body is connected with a screw sleeve. When the screw sleeve is threadedly connected to the core tube body, the screw sleeve synchronously drives the plurality of locking plates to deform through the driving surface, so that the inserting cavity is necked and the pipe inserted in the inserting cavity is tightly held, thereby completing the quick connection of the pipeline. Secondly, the inner wall of the connecting column has an internal thread, and the internal thread is used to connect hard pipes. The core tube can selectively connect two pipes of different materials through the internal thread, which is convenient to use.

[0048] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pipe connecting member, characterized in that: include: A core tube, the core tube comprising a core tube body (1) and a connecting column (101) fixedly connected to the inside of the core tube body (1); An insert cavity (102) is formed between the outer wall of the connecting column (101) and the core tube body (1), the inner wall of the connecting column (101) has an internal thread, and a plurality of locking plates (103) are arranged in a circumferential array at the end of the core tube body (1), wherein the outer thread of the core tube body (1) is connected to a screw sleeve (2), and an inclined annular structure driving surface (201) is formed inside the screw sleeve (2) for synchronously driving the plurality of locking plates (103) to deform so as to shrink the insert cavity (102).

2. The pipe connecting member according to claim 1, characterized in that; The thickness of the locking piece (103) is smaller than the thickness of the end connected to the core tube body (1), and the end of the locking piece (103) is located on the side of the insertion cavity (102) and is fixedly connected to at least one protruding tooth (104).

3. The pipe connecting member according to claim 1, characterized in that ； A first sealing member (3) is provided on the outer wall of the end of the connecting column (101).

4. The pipe connecting member according to claim 3, It is characterized by: The outer wall at the end of the connecting column (101) is provided with a first groove, in which a first sealing member (3) is installed, and the first sealing member (3) is an elastic sealing ring.

5. The pipe connecting member according to claim 1, characterized in that ； A second sealing member (4) is provided on the end surface of the connecting column (101).

6. The pipe connecting member according to claim 5, It is characterized by: The end surface of the connecting column (101) is provided with a second groove, and a second sealing member (4) is installed in the second groove. The second sealing member (4) is an elastic sealing ring.

7. The pipe connecting member according to any one of claims 1 to 6, characterized in that ； The connecting columns (101) are symmetrically fixedly connected to both ends of the core tube body (1).

8. The pipe connecting member according to claim 7, characterized in that: A boss is formed in the middle of the core tube body (1), and the outer diameter of the boss is greater than the outer diameter of the screw sleeve (2).

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