Connecting composite rubber pipe convenient to splice

Abstract

The utility model discloses a connecting composite rubber pipe convenient to splice, which comprises two splicing pieces, one splicing piece comprises a first cylinder, the first cylinder is fixedly arranged at one end of a rubber pipe main body, a first annular plate is arranged at the front end of the first cylinder, and a second annular plate is arranged at the rear end of the first annular plate. The first annular plate is provided with four first rectangular through holes which are distributed in an annular array mode with the circle center of the first annular plate as the circle center, four connecting pieces which are distributed in an annular array mode with the circle center of the first annular plate as the circle center of the first annular plate are rotationally installed on the back face of the first annular plate, and the four connecting pieces penetrate through the four first rectangular through holes respectively. According to the connecting composite rubber pipe convenient to splice, a connecting piece of one splicing piece penetrates through a second rectangular through hole of the other splicing piece, then a third cylinder is rotated, then the connecting piece can be pushed outwards through a guide plate, the connecting piece is buckled to the edge of the second rectangular through hole, the two splicing pieces are locked together, and the splicing piece can be conveniently spliced. Therefore, splicing of the two rubber pipe bodies is completed, and the operation process is simple and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting composite hoses, and particularly relates to a connecting composite hose which is convenient to splicing. Background Art

[0002] A hose is a rubber hose extruded and formed from polymer chemical raw materials through processes such as vulcanization, and is commonly used for transporting gases, liquids, slurries or granular materials. For larger-diameter hoses currently available, flange connections are usually adopted during splicing. During the splicing process of the hose, multiple bolts need to be tightened for connection and fixation, and the operation of splicing the hose is very cumbersome.

[0003] Therefore, we design a connecting composite hose which is convenient to splicing here. Content of the Utility Model

[0004] The purpose of the utility model is to provide a connecting composite hose which is convenient to splicing for the deficiencies of the prior art, so as to solve the problems put forward in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A connecting composite hose which is convenient to splicing, including two splicing parts. One of the splicing parts includes a first cylinder, the first cylinder is fixedly installed at one end of the hose body, a first annular plate is installed at the front end of the first cylinder, four first rectangular through holes are formed in the first annular plate and are distributed in a circular array with the center of the first annular plate as the center of the circle. Four connecting pieces are rotatably installed on the back of the first annular plate and are distributed in a circular array with the center of the first annular plate as the center of the circle. The four connecting pieces respectively pass through the four first rectangular through holes. On the side of the four first rectangular through holes far from the center of the first annular plate, V-shaped elastic pieces are installed, and the V-shaped elastic pieces press the connecting pieces on the side of the first rectangular through holes close to the center of the first annular plate.

[0006] The other splicing part includes a second cylinder, the second cylinder is fixedly installed at the other end of the hose body, a second annular plate is installed at the front end of the second cylinder, four second rectangular through holes are formed in the second annular plate and are distributed in a circular array with the center of the second annular plate as the center of the circle. A third cylinder is rotatably installed on the outer side of the second cylinder, and four guide plates are installed on the outer side of the front end of the third cylinder and are distributed in a circular array with the axis of the third cylinder as the center of the circle.

[0007] Preferably, the connecting piece is composed of a rotating column and a stop block. The rotating column passes through the first rectangular through hole, and one end is rotatably installed on the back of the first annular plate, and the stop block is installed at the other end of the rotating column and on the side far from the center of the first annular plate.

[0008] Preferably, the guide plate is a long strip-shaped arc plate. The inner arc surface of the guide plate is fixed to the outer side of the third cylinder, and one end of the outer arc surface of the guide plate is provided with a slope, and the other end is provided with a raised limit block.

[0009] Preferably, a circular protrusion is provided at the edge of the circular hole on the front surface of the first circular plate, a circular depression that can cooperate with the circular protrusion on the first circular plate is provided at the edge of the circular hole on the front surface of the second circular plate, and a sealing ring is provided in the circular depression.

[0010] Compared with the prior art, the present utility model provides a connection composite rubber hose that is easy to assemble, and has the following beneficial effects:

[0011] For the connection composite rubber hose that is easy to assemble, by passing the connecting member of one splicing member through the second rectangular through-hole of another splicing member, and then rotating the third cylinder, the connecting member can be pushed outwards by the guiding plate, and the connecting member can be buckled at the edge of the second rectangular through-hole, so that the two splicing members are locked together, thereby completing the splicing of the two hose bodies, and the operation process is simple and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a side sectional view of the first cylinder and the first circular plate of the present utility model;

[0014] Figure 3 is a front view structure diagram of the second arc-shaped plate of the present utility model;

[0015] Figure 4 is a schematic diagram of the structure of the connecting member of the present utility model;

[0016] Figure 5 is a schematic diagram of the docking of two splicing members of the present utility model;

[0017] Figure 6 is a schematic diagram of the locking of two splicing members of the present utility model.

[0018] Reference numerals: 1, first cylinder; 2, first circular plate; 2-1, first rectangular through-hole; 3, connecting member; 31, rotating column; 32, stop block; 4, V-shaped elastic sheet; 5, second cylinder; 6, third cylinder; 7, guiding plate; 8, second circular plate; 8-1, second rectangular through-hole; 9, sealing ring; 10, hose body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-6 , in this embodiment: A connection composite hose that is easy to splice includes two splicing parts. Please refer to Figure 1 and Figure 2 . One of the splicing parts includes a first cylinder 1, the first cylinder 1 is fixedly installed at one end of the hose body 10, a first annular plate 2 is installed at the front end of the first cylinder 1, and four first rectangular through holes 2-1 are formed on the first annular plate 2 and are distributed in a circular array centered on the center of the first annular plate 2. Four connecting parts 3 are rotatably installed on the back of the first annular plate 2 and are distributed in a circular array centered on the center of the first annular plate 2. The four connecting parts 3 respectively pass through the four first rectangular through holes 2-1. On the side of the four first rectangular through holes 2-1 far from the center of the first annular plate 2, V-shaped elastic pieces 4 are installed, and the V-shaped elastic pieces 4 press the connecting parts 3 on the side of the first rectangular through holes 2-1 close to the center of the first annular plate 2. In the case of no other external force squeezing the connecting parts 3, the connecting parts 3 will deflect a certain angle towards the center of the first annular plate 2 under the extrusion of the V-shaped elastic pieces 4.

[0021] Please refer to Figure 4 . The connecting part 3 is composed of a rotating column 31 and a stopper 32. The rotating column 31 passes through the first rectangular through hole 2-1, and one end is rotatably installed on the back of the first annular plate 2. The stopper 32 is installed at the other end of the rotating column 31 and on the side far from the center of the first annular plate 2. The edges and corners of the rotating columns 31 of the four connecting parts 3 close to the center of the first annular plate 2 are rounded.

[0022] Please refer to Figure 1 , Figure 3 and Figure 5 . The other splicing part includes a second cylinder 5, the second cylinder 5 is fixedly installed at the other end of the hose body 10, a second annular plate 8 is installed at the front end of the second cylinder 5, and four second rectangular through holes 8-1 are formed on the second annular plate 8 and are distributed in a circular array centered on the center of the second annular plate 8. When the two splicing parts are butted, the four connecting parts 3 that deflect a certain angle towards the center of the first annular plate 2 can respectively pass through the four second rectangular through holes 8-1. A third cylinder 6 is rotatably installed on the outside of the second cylinder 5, and four guide plates 7 are installed on the outside of the front end of the third cylinder 6 and are distributed in a circular array centered on the axis of the third cylinder 6. The guide plate 7 is a long strip arc-shaped plate. The inner arc surface of the guide plate 7 is fixed to the outside of the third cylinder 6. One end of the outer arc surface of the guide plate 7 is provided with a slope, and the other end is provided with a protruding limit block. Please refer to Figure 6, after the two splicing parts are butted, rotate the third cylinder 6 forward, and the slope of the guide plate 7 will push the connecting piece 3 to deflect away from the center of the first annular plate 2. During the rotation of the connecting piece 3, the V-shaped elastic piece 4 is deformed by the extrusion of the connecting piece 3. After the connecting piece 3 reaches the highest point of the slope of the guide plate 7, the stopper 32 of the connecting piece 3 will tightly buckle on the edge of the second rectangular through hole 8-1, and the rotating column 31 of the connecting piece 3 will tighten the first annular plate 2, so that the first annular plate 2 and the second annular plate 8 are tightly attached together. At this time, the two splicing parts will be tightly locked together. In the locked state of the two splicing parts, overlapping screw holes can be provided between the second cylinder 5 and the third cylinder 6, and then the position of the third cylinder 6 on the second cylinder 5 can be fixed with screws. Rotate the third cylinder 6 in the reverse direction, and the connecting piece 3 will slide down along the slope of the guide plate 7 under the extrusion of the V-shaped elastic piece 4 and return to its original position. At this time, the two splicing parts are unlocked.

[0023] Please refer to Figures 1-3 , a circular protrusion is provided at the edge of the front circular hole of the first annular plate 2, and a circular depression that can cooperate with the circular protrusion on the first annular plate 2 is provided at the edge of the front circular hole of the second annular plate 8, and a sealing ring 9 is provided in the circular depression. The function of the sealing ring 9 is to seal the joint seam after the two splicing parts are spliced, so that the two hose bodies 10 can remain sealed after being spliced.

[0024] The working principle and usage process of the present utility model: When splicing the connection composite hose that is easy to splice, pass the four connecting pieces 3 of one hose body 10 through the four second rectangular through holes 8-1 of the other hose body 10 respectively, so that the splicing parts of the two hose bodies 10 are butted. Then rotate the third cylinder 6 forward to make the stopper 32 of the connecting piece 3 buckle on the edge of the second rectangular through hole 8-1, and the splicing of the two hose bodies 10 is completed. When disassembling, only need to rotate the third cylinder 6 in the reverse direction to make all the connecting pieces 3 return to their original positions, and then separate the splicing parts of the two hose bodies 10.

[0025] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A connection composite rubber hose convenient for splicing, comprising two splicing parts, characterized in that: One of the splicing pieces includes a first cylinder (1). The first cylinder (1) is fixedly installed at one end of the rubber hose body (10). A first annular plate (2) is installed at the front end of the first cylinder (1). Four first rectangular through holes (2-1) are formed in the first annular plate (2) and are distributed in an annular array with the center of the first annular plate (2) as the center. Four connecting pieces (3) are rotatably installed on the back surface of the first annular plate (2) and are distributed in an annular array with the center of the first annular plate (2) as the center. The four connecting pieces (3) respectively pass through the four first rectangular through holes (2-1). V-shaped elastic pieces (4) are installed on one side of the inner parts of the four first rectangular through holes (2-1) far from the center of the first annular plate (2), and the V-shaped elastic pieces (4) press the connecting pieces (3) on one side of the inner parts of the first rectangular through holes (2-1) close to the center of the first annular plate (2). The other splicing piece includes a second cylinder (5). The second cylinder (5) is fixedly installed at the other end of the rubber hose body (10). A second annular plate (8) is installed at the front end of the second cylinder (5). Four second rectangular through holes (8-1) are formed in the second annular plate (8) and are distributed in an annular array with the center of the second annular plate (8) as the center. A third cylinder (6) is rotatably installed on the outer side of the second cylinder (5). Four guide plates (7) are installed on the outer side of the front end of the third cylinder (6) and are distributed in an annular array with the axis of the third cylinder (6) as the center.

2. The connection composite rubber hose according to claim 1, which is easy to assemble, is characterized in that: The connecting piece (3) is composed of a rotating column (31) and a stopper (32). The rotating column (31) passes through the first rectangular through hole (2-1), and one end is rotatably installed on the back surface of the first annular plate (2). The stopper (32) is installed at the other end of the rotating column (31) and on the side far from the center of the first annular plate (2).

3. The connection composite rubber hose that is easy to assemble according to claim 1, characterized in that: The guide plate (7) is a long strip-shaped arc plate. The inner arc surface of the guide plate (7) is fixed to the outer side of the third cylinder (6). One end of the outer arc surface of the guide plate (7) is provided with a slope, and the other end is provided with a raised limit block.

4. The connecting composite rubber hose convenient for splicing according to claim 1, characterized in that: An annular protrusion is provided at the edge of the circular hole on the front surface of the first annular plate (2). An annular depression that can cooperate with the annular protrusion on the first annular plate (2) is provided at the edge of the circular hole on the front surface of the second annular plate (8), and a sealing ring (9) is provided in the annular depression.

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