阅读说明：本技术 一种液压系统用管道连接机构 (Pipeline connecting mechanism for hydraulic system ) 是由 郑奇锋 于 2020-10-30 设计创作，主要内容包括：本发明公开了一种液压系统用管道连接机构,其包括左管道和右管道,左管道和右管道之间连接有连接件,所述左管道和右管道的端部外侧均一体设置有第一凸缘、第二凸缘、第三凸缘和外螺纹凸缘,两个所述外螺纹凸缘上螺纹套接有同一个内螺纹管,内螺纹管的外侧套接有上卡块和下卡块,上卡块和下卡块组合形成管状封闭体,所述上卡块和下卡块的外侧螺纹套装有同一个连接管,所述连接管上螺纹套接有两个螺纹连接管,两个螺纹连接管相互远离的一端均一体设置有套管。不仅连接操作简单方便且连接后,抗压抗拉效果好,连接牢固,另外,通过设置的第一密封圈、第三密封圈和第二密封圈均可取到密封作用,进而能够具备多重密封效果。(The invention discloses a pipeline connecting mechanism for a hydraulic system, which comprises a left pipeline and a right pipeline, wherein a connecting piece is connected between the left pipeline and the right pipeline, a first flange, a second flange, a third flange and an external thread flange are uniformly and integrally arranged on the outer sides of the end parts of the left pipeline and the right pipeline, the same internal thread pipe is sleeved on the two external thread flanges in a threaded manner, an upper clamping block and a lower clamping block are sleeved on the outer sides of the internal thread pipes, the upper clamping block and the lower clamping block are combined to form a tubular closed body, the same connecting pipe is sleeved on the outer threads of the upper clamping block and the lower clamping block in a threaded manner, two threaded connecting pipes are sleeved on the connecting pipe in a threaded manner, and sleeves are integrally arranged. Not only connect easy operation convenience and connect the back, the resistance to compression tensile is effectual, firm in connection, in addition, all can get sealed effect through first sealing washer, third sealing washer and the second sealing washer that sets up, and then can possess multiple sealed effect.)

1. A pipeline connecting mechanism for a hydraulic system comprises a left pipeline (1) and a right pipeline (2), wherein a connecting piece (3) is connected between the left pipeline (1) and the right pipeline (2), and is characterized in that a first flange (4), a second flange (5), a third flange (6) and an external thread flange (7) are integrally arranged on the outer sides of the end parts of the left pipeline (1) and the right pipeline (2), the two external thread flanges (7) are in threaded sleeve connection with a same internal thread pipe (8), the outer sides of the internal thread pipes (8) are in threaded sleeve connection with an upper clamping block (10) and a lower clamping block (11), the upper clamping block (10) and the lower clamping block (11) are combined to form a tubular closed body, the outer threads of the upper clamping block (10) and the lower clamping block (11) are in threaded sleeve connection with a same connecting pipe (12), and the upper threads of the connecting pipe (12) are in, the end, far away from each other, of each of the two threaded connecting pipes (14) is integrally provided with a sleeve (13), the two sleeves (13) are respectively sleeved on the left pipeline (1) and the right pipeline (2), a third sealing ring (17) sleeved on the corresponding left pipeline (1) or the right pipeline (2) is arranged between the second flange (5) and the third flange (6), and a second sealing ring (16) is arranged between the end part of each connecting pipe (12) and the corresponding sleeve (13).

2. A pipe connection according to claim 1, characterized in that an internally threaded outer sleeve (15) is fitted around the two first flanges (4), the length of the internally threaded outer sleeve (15) being greater than the sum of the lengths of the two threaded connection pipes (14).

3. The pipe connecting mechanism for the hydraulic system according to claim 1, wherein a first sealing ring (9) is fixed on the inner side of the internally threaded pipe (8), and the first sealing ring (9) is sleeved between the two externally threaded flanges (7).

4. A pipe connection according to claim 1, wherein the contact surface between the second sealing ring (16) and the sleeve (13) is not conical, and the thread direction of the two threaded connecting pipes (14) is opposite, and the thread direction of the two externally threaded flanges (7) is opposite.

5. The pipe connecting mechanism for the hydraulic system according to claim 1, wherein the upper fixture block (10) and the lower fixture block (11) are respectively provided with a first clamping groove and a second clamping groove which are matched with the second flange (5) and the third flange (6), the second flange (5) is clamped in the first clamping groove, and the third flange (6) is clamped in the second clamping groove.

6. The pipe connecting mechanism for the hydraulic system according to claim 1, wherein the upper fixture block (10) and the lower fixture block (11) are provided with third clamping grooves matched with the internal threaded pipe (8), and the internal threaded pipe (8) is clamped in the third clamping grooves.

7. A pipe connection according to claim 1, characterized in that the first flange (4), the second flange (5) and the third flange (6) are located inside the corresponding sleeve (13).

Technical Field

The invention relates to the field of pipeline connection, in particular to a pipeline connecting mechanism for a hydraulic system.

Background

The pipeline is a device which is formed by connecting pipes, pipe connectors, valves and the like and is used for conveying gas, liquid or fluid with solid particles, and currently, some long pipelines need to be butted together by short pipes when being laid, and therefore, a pipeline connecting mechanism is needed. However, the conventional pipe connection mechanism has a simple structure, and has the problems of poor connection firmness and poor sealing effect, so that no good connection effect exists, and therefore, a pipe connection mechanism for a hydraulic system is urgently needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a pipeline connecting mechanism for a hydraulic system.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pipeline connecting mechanism for a hydraulic system comprises a left pipeline and a right pipeline, a connecting piece is connected between the left pipeline and the right pipeline, a first flange, a second flange, a third flange and an external thread flange are integrally arranged on the outer sides of the end parts of the left pipeline and the right pipeline, the two external thread flanges are in threaded sleeve connection with a same internal thread pipe, the outer sides of the internal thread pipes are in threaded sleeve connection with an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are combined to form a tubular closed body, the outer threads of the upper clamping block and the lower clamping block are in threaded sleeve connection with a same connecting pipe, the connecting pipe is in threaded sleeve connection with two threaded connecting pipes, one ends of the two threaded connecting pipes, which are far away from each other, are integrally provided with sleeves, the two sleeves are respectively sleeved on the left pipeline and the right pipeline, and a third sealing ring sleeved, and a second sealing ring is arranged between the end part of the connecting pipe and the corresponding sleeve.

Preferably, the outer sides of the two first flanges are sleeved with an internal thread outer sleeve, and the length of the internal thread outer sleeve is greater than the sum of the lengths of the two threaded connecting pipes.

Preferably, a first sealing ring is fixed on the inner side of the internal thread pipe, and the first sealing ring is sleeved between the two external thread flanges.

Preferably, the contact surface of the second sealing ring and the sleeve is not conical, the thread directions of the two thread connecting pipes are opposite, and the thread directions of the two external thread flanges are opposite.

Preferably, the upper clamping block and the lower clamping block are respectively provided with a first clamping groove and a second clamping groove which are matched with the second flange and the third flange, the second flange is clamped in the first clamping groove, and the third flange is clamped in the second clamping groove.

Preferably, the upper clamping block and the lower clamping block are both provided with third clamping grooves matched with the internal thread pipes, and the internal thread pipes are clamped in the third clamping grooves.

Preferably, the first flange, the second flange and the third flange are all located on the inner side of the corresponding sleeve.

According to the invention, through the arrangement of the external thread flange, the internal thread pipe, the upper clamping block, the lower clamping block, the connecting pipe, the threaded connecting pipe and the internal thread outer sleeve pipe, the connecting operation is simple and convenient, after the connection, the compression and tensile effects are good, the connection is firm, in addition, the sealing effect can be obtained through the arranged first sealing ring, the third sealing ring and the second sealing ring, and then multiple sealing effects can be achieved, the whole connecting mechanism is firm in connection, the connection sealing performance is good, meanwhile, the structure is simple, and the manufacturing cost is low.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic front view of fig. 1.

FIG. 3 is a schematic view of a connecting tube.

Reference numbers in the figures: 1 left pipeline, 2 right pipelines, 3 connecting pieces, 4 first flanges, 5 second flanges, 6 third flanges, 7 external thread flanges, 8 internal thread pipes, 9 first sealing rings, 10 upper clamping blocks, 11 lower clamping blocks, 12 connecting pipes, 13 sleeves, 14 threaded connecting pipes, 15 internal thread outer sleeves, 16 second sealing rings and 17 third sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a pipeline connecting mechanism for a hydraulic system, includes a left pipeline 1 and a right pipeline 2, a connecting member 3 is connected between the left pipeline 1 and the right pipeline 2, a first flange 4, a second flange 5, a third flange 6 and an external thread flange 7 are integrally arranged on an outer side of an end portion of the left pipeline 1 and the right pipeline 2, the same internal thread pipe 8 is sleeved on the two external thread flanges 7 in a threaded manner, an upper clamping block 10 and a lower clamping block 11 are sleeved on an outer side of the internal thread pipe 8, the upper clamping block 10 and the lower clamping block 11 are combined to form a tubular closed body, the same connecting pipe 12 is sleeved on outer threads of the upper clamping block 10 and the lower clamping block 11, two threaded connecting pipes 14 are sleeved on the connecting pipe 12 in a threaded manner, a sleeve pipe 13 is integrally arranged on an end of each of the two threaded connecting pipes 14, the two sleeve pipes 13 are respectively sleeved on the left pipeline 1 and the right pipeline 2, a third sealing ring sleeved on the corresponding 17, and a second seal ring 16 is provided between the end of the connection pipe 12 and the corresponding sleeve 13.

In the embodiment, the outer sides of two first flanges 4 are sleeved with an internal thread outer sleeve 15, the length of the internal thread outer sleeve 15 is greater than the sum of the lengths of two thread connecting pipes 14, the inner side of the internal thread pipe 8 is fixed with a first sealing ring 9, the first sealing ring 9 is sleeved between two external thread flanges 7, one surface of a second sealing ring 16 contacted with a sleeve 13 is not conical, the thread turning directions of the two thread connecting pipes 14 are opposite, the thread turning directions of the two external thread flanges 7 are opposite, the upper fixture block 10 and the lower fixture block 11 are respectively provided with a first clamping groove and a second clamping groove matched with the second flange 5 and the third flange 6, the second flange 5 is clamped in the first clamping groove, the third flange 6 is clamped in the second clamping groove, the upper fixture block 10 and the lower fixture block 11 are respectively provided with a third clamping groove matched with the internal thread pipe 8, and the internal thread pipe 8 is clamped in the third clamping groove, the first flange 4, the second flange 5 and the third flange 6 are all located inside the corresponding sleeve 13.

The working principle is as follows: when the pipeline connecting device is used, the external thread flanges 7 at the end parts of the left pipeline 1 and the right pipeline 2 are arranged in the internal thread pipe 8 in a threaded manner, at the moment, the two external thread flanges 7 can approach each other by manually rotating the internal thread pipe 8 to be butted, first resealing can be carried out through the first sealing ring 9, then the upper clamping block 10 and the lower clamping block 11 are clamped at the corresponding parts, then the connecting pipe 12 is arranged at the outer sides of the upper clamping block 10 and the lower clamping block 11, the threaded connecting pipe 14 is screwed on the connecting pipe 12, then the internal thread outer sleeve 15 is screwed in, so that the connection of the pipelines can be completed, the connection between the two pipelines can be strengthened through the upper clamping block 10 and the lower clamping block 11, the tensile capacity is increased, the strength after the pipeline connection can be further increased through the connecting pipe 12, the threaded connecting pipe 14 and the internal thread outer sleeve 15, and the sealing, and the third sealing washer 17 and the second sealing washer 16 through setting up all can get sealed effect, and then can possess multiple sealed effect, whole coupling mechanism firm in connection, and it is good to connect the leakproofness, simple structure simultaneously, the cost of manufacture is low.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.