Rubber connecting pipe convenient and rapid in butt joint

Abstract

The utility model discloses a rubber connecting pipe convenient and quick in butt joint, which comprises a rubber pipe and a butt joint pipe, an annular fixing seat is arranged at one end of the rubber pipe opposite to the butt joint pipe, an annular connecting block is arranged at one end of the butt joint pipe opposite to the rubber pipe, and the annular connecting block and the butt joint pipe are inserted into the annular fixing seat and are clamped and positioned. An annular sealing ring is fixedly connected to the annular inner wall, away from the rubber pipe, of the annular fixing base and abuts against the annular side wall of the butt joint pipe in a sealed contact mode. The butt joint pipe and the annular connecting block are inserted into the annular fixing seat, so that the annular protrusion is inserted into the annular clamping groove, the rubber pipe is inserted into the circular open groove, and the sealing effect at the joint of the butt joint pipe and the rubber pipe is improved in cooperation with an annular sealing ring of a corrosion-resistant rubber product; meanwhile, a spring in a circular groove in a cylindrical bulge drives a cylindrical clamping block to penetrate through a circular through hole, so that the butt joint pipe and the rubber pipe can be conveniently and quickly butt-jointed and positioned, the structure is simple, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber connecting pipes, in particular to a rubber connecting pipe which can be conveniently and quickly connected. Background Art

[0002] Rubber connecting pipes refer to pipes used to transport gas or liquid, and are used in various home appliances, medical equipment, and automobiles. When used in the automotive field, rubber connecting pipes are mainly used to connect the engine and air filter, the engine and radiator system, and the automobile air-conditioning system. They have excellent properties such as high temperature resistance, oil resistance, and corrosion resistance.

[0003] The existing rubber connecting pipe needs to be fixed by a threaded structure during actual use, which is inconvenient for quick docking and has poor sealing effect at the interface. A rubber connecting pipe that is convenient for quick docking is proposed to solve the above problems. Utility Model Content

[0004] In response to the deficiencies and defects in the existing technology, the utility model proposes a rubber connecting tube that is convenient and quick to connect, which is used to solve the technical problems that the existing rubber connecting tubes in the background technology need to be fixed using a threaded structure during actual use, which is inconvenient for quick connection and has poor sealing effect at the interface.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A rubber connecting tube for convenient and quick docking comprises a rubber tube and a docking tube, wherein an annular fixing seat is provided at one end of the rubber tube facing the docking tube, and an annular connecting block is provided at one end of the docking tube facing the rubber tube, the annular connecting block and the docking tube are inserted into the annular fixing seat and clamped in position, an annular sealing ring is fixedly connected to the annular inner wall of the annular fixing seat away from the rubber tube, the annular sealing ring is in sealing contact with the annular side wall of the docking tube, a positioning mechanism is provided on the annular side wall of the docking tube located in the annular fixing seat, and the positioning mechanism is arranged through the annular inner wall of the annular fixing seat.

[0007] Preferably, an annular protrusion is provided on the inner wall of the annular fixing seat facing the annular connecting block, and an annular groove and a circular groove are provided on the side wall of the annular connecting block facing the rubber tube. The circular groove is connected to the docking tube, the annular protrusion is inserted in the annular groove, and one end of the rubber tube located in the annular fixing seat is inserted in the circular groove.

[0008] Preferably, the rubber tube and the annular fixing seat are integrally formed, the annular connecting block and the butt tube are integrally formed, the annular protrusion and the annular fixing seat are integrally formed, and the annular sealing ring is a corrosion-resistant rubber product.

[0009] Preferably, the positioning mechanism includes four cylindrical protrusions arranged on the inner annular side wall of the annular fixing seat on the docking tube, and the four cylindrical protrusions are distributed in a cross shape. The four cylindrical protrusions are provided with circular grooves on the side walls facing the annular fixing seat, and springs are fixedly connected to the inner walls of the four circular grooves. A cylindrical clamping block is fixedly connected to the four springs, and four circular through holes distributed in a cross shape are provided on the annular inner wall of the annular fixing seat, and the four cylindrical clamping blocks are respectively arranged to pass through the four circular through holes.

[0010] Preferably, the cylindrical protrusion and the butt-jointing tube are integrally formed, and one end of the four cylindrical blocks outside the annular fixing seat is arc-shaped.

[0011] Preferably, annular limit grooves are provided on the annular inner walls of the four circular grooves, and annular limit blocks are fixedly connected to the annular side walls of the four cylindrical blocks close to the springs. The four annular limit blocks are respectively inserted into the four annular limit grooves and slide against each other.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] By inserting the butt joint pipe and the annular connecting block into the annular fixing seat, the annular protrusion is inserted into the annular clamping groove, and the rubber tube is inserted into the circular slot. The annular sealing ring of the corrosion-resistant rubber product is used to improve the sealing effect at the interface between the butt joint pipe and the rubber tube. At the same time, the spring in the circular groove on the cylindrical protrusion drives the cylindrical clamping block to pass through the circular through hole, which makes it convenient to quickly connect and position the butt joint pipe and the rubber tube. The structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional split structure of a rubber connecting pipe for convenient and quick docking proposed by the utility model;

[0015] Figure 2 This is a perspective schematic diagram of a rubber connecting pipe for convenient and quick docking proposed by the utility model;

[0016] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0017] In the figure: 1 rubber tube, 2 butt pipe, 3 annular fixing seat, 4 annular connecting block, 5 annular sealing ring, 6 annular protrusion, 7 annular groove, 8 circular slot, 9 cylindrical protrusion, 10 circular groove, 11 spring, 12 cylindrical block, 13 circular through hole, 14 annular limiting groove, 15 annular limiting block. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-3 , a rubber connecting tube for convenient and quick docking, comprising a rubber tube 1 and a butt tube 2, the rubber tube 1 is provided with an annular fixing seat 3 at one end facing the butt tube 2, and an annular connecting block 4 is provided at one end facing the rubber tube 1, the annular connecting block 4 and the butt tube 2 are inserted in the annular fixing seat 3 and clamped in position, an annular protrusion 6 is provided on the inner wall of the annular fixing seat 3 facing the annular connecting block 4, an annular card groove 7 and a circular groove 8 are provided on the side wall of the annular connecting block 4 facing the rubber tube 1, the circular groove 8 is communicated with the butt tube 2, the annular protrusion 6 is inserted in the annular card groove 7, one end of the rubber tube 1 located in the annular fixing seat 3 is inserted in the circular groove 8, the rubber tube 1 and the annular fixing seat 3 are integrally formed, and the annular connecting block 4 and the butt tube 2 are The annular protrusion 6 and the annular fixing seat 3 are integrally formed. The annular sealing ring 5 is a corrosion-resistant rubber product. The annular connecting block 4 on the butt joint 2 is inserted into the annular fixing seat 3 on the rubber tube 1, so that the arc-shaped end faces of the four cylindrical blocks 12 are in contact with the annular inner wall of the annular fixing seat 3, and the four cylindrical blocks 12 are forced to compress the spring 11 in the circular groove 10. The four cylindrical blocks 12 slide against the annular inner wall of the annular fixing seat 3 until the annular protrusion 6 is inserted into the annular groove 7 on the annular connecting block 4, and the rubber tube 1 in the annular fixing seat 3 is inserted into the circular slot 8. The annular sealing ring 5 of the corrosion-resistant rubber product is used to improve the sealing effect at the interface between the butt joint 2 and the rubber tube 1.

[0021] The annular fixing seat 3 is fixedly connected with an annular sealing ring 5 on the annular inner wall away from the rubber tube 1, and the annular sealing ring 5 is in sealing contact with the annular side wall of the butt joint 2. A positioning mechanism is provided on the annular side wall of the butt joint 2 located in the annular fixing seat 3, and the positioning mechanism is arranged through the annular inner wall of the annular fixing seat 3. The positioning mechanism includes four cylindrical protrusions 9 arranged on the annular side wall of the butt joint 2 located in the annular fixing seat 3. The four cylindrical protrusions 9 are arranged in a cross shape. The four cylindrical protrusions 9 are arranged in a cross shape. A circular groove 10 is provided on the side wall of the four cylindrical protrusions 9 facing the annular fixing seat 3. Springs 11 are fixedly connected on the inner walls of the four circular grooves 10. A cylindrical block 12 is fixedly connected to the four springs 11. Four circular through holes 13 distributed in a cross shape are provided on the annular inner wall of the annular fixing seat 3. The four cylindrical blocks 12 respectively penetrate the four circular through holes 13. The cylindrical protrusions 9 and the butt joint 2 are integrally formed. The four cylindrical blocks 12 are located on a side wall outside the annular fixing seat 3. The ends are all in an arc shape. After a small rotation of the rubber tube 1, the four cylindrical blocks 12 are respectively arranged opposite to the four circular through holes 13. The compressed spring 11 elastically resets and drives the four cylindrical blocks 12 to penetrate the four circular through holes 13 respectively, which makes it convenient to quickly dock the butt joint 2 with the rubber tube 1. The structure is simple and the operation is convenient. When disassembling, only the four cylindrical blocks 12 are pressed to separate from the circular through holes 13. After a small rotation of the rubber tube 1, the four cylindrical blocks 12 are respectively arranged opposite to the circular through holes 13. The shaped through hole 13 is misaligned, and the rubber tube 1 can be separated from the docking tube 2 by pulling. An annular limiting groove 14 is provided on the annular inner wall of the four circular grooves 10, and the four cylindrical clamping blocks 12 are fixedly connected with an annular limiting block 15 on the annular side wall close to the spring 11. The four annular limiting blocks 15 are respectively inserted into the four annular limiting grooves 14 and slide against each other. When the annular limiting block 15 moves in the annular limiting groove 14, it can effectively provide limiting for the cylindrical clamping block 12 in the circular groove 10.

[0022] When the utility model is in use, the annular connecting block 4 on the butt-jointed pipe 2 is inserted into the annular fixing seat 3 on the rubber tube 1, so that the arc-shaped end faces of the four cylindrical clamping blocks 12 are in contact with the annular inner wall of the annular fixing seat 3, and the four cylindrical clamping blocks 12 are subjected to force to compress the spring 11 in the circular groove 10, and the four cylindrical clamping blocks 12 slide against the annular inner wall of the annular fixing seat 3 until the annular protrusion 6 is inserted into the annular groove 7 on the annular connecting block 4, and the rubber tube 1 in the annular fixing seat 3 is inserted into the circular slot 8, and the annular sealing ring 5 of the corrosion-resistant rubber product is matched. Improve the sealing effect of the interface between the butt joint pipe 2 and the rubber tube 1. After slightly rotating the rubber tube 1, the four cylindrical blocks 12 are respectively arranged opposite the four circular through holes 13. The compressed spring 11 elastically resets and drives the four cylindrical blocks 12 to penetrate the four circular through holes 13 respectively, so that the butt joint pipe 2 and the rubber tube 1 can be quickly and conveniently docked and positioned. The structure is simple and the operation is convenient. When disassembling, only the four cylindrical blocks 12 are pressed to separate from the circular through holes 13. After slightly rotating the rubber tube 1, the four cylindrical blocks 12 are misaligned with the circular through holes 13, and the rubber tube 1 is pulled to separate from the butt joint pipe 2.

[0023] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rubber connecting pipe for convenient and quick docking, comprising a rubber pipe (1) and a docking pipe (2), characterized in that: An annular fixing seat (3) is provided at one end of the rubber tube (1) facing the butt-joint tube (2), and an annular connecting block (4) is provided at one end of the butt-joint tube (2) facing the rubber tube (1). The annular connecting block (4) and the butt-joint tube (2) are inserted into the annular fixing seat (3) and clamped for positioning. An annular sealing ring (5) is fixedly connected to the annular inner wall of the annular fixing seat (3) away from the rubber tube (1). The annular sealing ring (5) is in sealing contact with the annular side wall of the butt-joint tube (2). A positioning mechanism is provided on the annular side wall of the butt-joint tube (2) located in the annular fixing seat (3), and the positioning mechanism is arranged to penetrate the annular inner wall of the annular fixing seat (3).

2. A rubber connecting pipe for convenient and quick docking according to claim 1, characterized in that: An annular protrusion (6) is provided on the inner wall of the annular fixing seat (3) facing the annular connecting block (4), and an annular groove (7) and a circular slot (8) are provided on the side wall of the annular connecting block (4) facing the rubber tube (1). The circular slot (8) is connected to the butt joint tube (2), the annular protrusion (6) is inserted into the annular groove (7), and one end of the rubber tube (1) located in the annular fixing seat (3) is inserted into the circular slot (8).

3. The rubber connecting pipe for convenient and quick docking according to claim 2, characterized in that: The rubber tube (1) and the annular fixing seat (3) are integrally formed, the annular connecting block (4) and the butt-jointed pipe (2) are integrally formed, the annular protrusion (6) and the annular fixing seat (3) are integrally formed, and the annular sealing ring (5) is a corrosion-resistant rubber product.

4. The rubber connecting pipe for convenient and quick docking according to claim 1, characterized in that: The positioning mechanism comprises four cylindrical protrusions (9) arranged on the butt joint tube (2) and located on the inner annular side wall of the annular fixing seat (3), the four cylindrical protrusions (9) are arranged in a cross-shaped distribution, the four cylindrical protrusions (9) are provided with circular grooves (10) on the side walls facing the annular fixing seat (3), the inner walls of the four circular grooves (10) are fixedly connected with springs (11), the four springs (11) are fixedly connected with cylindrical clamping blocks (12), the annular inner wall of the annular fixing seat (3) is provided with four circular through holes (13) distributed in a cross-shaped distribution, and the four cylindrical clamping blocks (12) are respectively arranged to pass through the four circular through holes (13).

5. The rubber connecting pipe for convenient and quick docking according to claim 4, characterized in that: The cylindrical protrusion (9) and the butt-joint pipe (2) are integrally formed, and one end of the four cylindrical clamping blocks (12) located outside the annular fixing seat (3) is all arranged in an arc shape.

6. The rubber connecting pipe for convenient and quick docking according to claim 4, characterized in that: Annular limiting grooves (14) are provided on the annular inner walls of the four circular grooves (10), and annular limiting blocks (15) are fixedly connected to the annular side walls of the four columnar clamping blocks (12) close to the spring (11). The four annular limiting blocks (15) are respectively inserted into the four annular limiting grooves (14) and slide against each other.

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