Pipeline connecting mechanism for digital pressure gauge

Abstract

The utility model discloses a pipeline connecting mechanism for a digital pressure gauge in the technical field of digital pressure gauges, which comprises a communicating pipe and connecting pipes, the connecting pipes are arranged on the left side and the right side of the communicating pipe, the upper side of the outer side wall of the communicating pipe is in threaded connection with a pressure gauge body, and the left end and the right end of the communicating pipe are provided with butt joint grooves. Sealing gaskets are fixedly connected to the inner side walls of inner cavities of the butt joint grooves in the left side and the right side, mounting rings are fixedly connected to the left side and the right side of the outer side wall of the communicating pipe, mounting grooves are formed in the upper side and the lower side of the interior of the mounting rings in the left side and the right side, and pressing plates are slidably connected between the four walls of the inner cavities of the mounting grooves in the upper side and the lower side; the pipeline connecting mechanism for the digital pressure gauge is reasonable in structural design, the sealing performance between a pipeline for the digital pressure gauge and a connecting pipeline can be effectively improved, and a communicating pipe and a connecting pipe can be quickly and conveniently connected.

Description

Technical Field

[0001] The utility model relates to the technical field of digital pressure gauges, in particular to a pipeline connecting mechanism for digital pressure gauges. Background Art

[0002] Pressure instruments are common measuring instruments, widely used in various fields. They can intuitively display the pressure changes in each process link, gain insight into the formation of conditions in the product or medium flow, monitor safety trends during production operations, and build a rapid and reliable safety guarantee through automatic interlocking or sensing devices. They play an important role in preventing accidents and protecting personal and property safety, and are called the eyes of safety.

[0003] When the existing digital pressure gauge pipe connection mechanism is used to connect the digital pressure gauge pipe and the connecting pipe, leakage is likely to occur at the pipe connection due to the lack of effective sealing means. In addition, when the existing digital pressure gauge pipe connection mechanism is used to connect the digital pressure gauge pipe and the connecting pipe, the connection structure used is relatively complicated and cumbersome, which is not convenient for workers to quickly connect and assemble the pipe. For this reason, we propose a pipe connection mechanism for a digital pressure gauge. Utility Model Content

[0004] The purpose of the utility model is to provide a pipe connecting mechanism for a digital pressure gauge, so as to solve the problems raised in the above background technology that, when the existing pipe connecting mechanism for a digital pressure gauge is connected to the pipe for the digital pressure gauge and the connecting pipe, liquid leakage is easily caused at the pipe connection due to the lack of effective sealing means, and the connection structure used by the existing pipe connecting mechanism for a digital pressure gauge is relatively complicated and cumbersome when connecting the pipe for the digital pressure gauge and the connecting pipe, which makes it inconvenient for workers to quickly connect and assemble the pipes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline connection mechanism for a digital pressure gauge, comprising a connecting pipe and a connecting pipe, the connecting pipe is located on the left and right sides of the connecting pipe, the pressure gauge body is screwed on the upper side of the outer wall of the connecting pipe, the left and right ends of the connecting pipe are provided with docking grooves, the inner side walls of the inner cavity of the docking grooves on the left and right sides are fixedly connected with sealing gaskets, the left and right sides of the outer wall of the connecting pipe are fixedly connected with mounting rings, the upper and lower sides of the inner parts of the mounting rings on the left and right sides are provided with mounting grooves, a pressure plate is slidably connected between the four walls of the inner cavity of the mounting grooves on the upper and lower sides, the inner side walls of the pressure plates on the upper and lower sides are fixedly connected with tenons, the ends of the connecting pipes on the left and right sides are fixedly connected with sealing insert rings, the ends of the sealing insert rings on the left and right sides extend between the inner side walls of the docking grooves on the left and right sides, and the ends of the sealing insert rings on the left and right sides are plugged into the sealing gaskets on the left and right sides.

[0006] As a further description of the above technical solution:

[0007] The ends of the tenons on the upper and lower sides pass through the mounting ring, the sealing insert ring and the sealing gasket and extend to the interior of the connecting pipe.

[0008] As a further description of the above technical solution:

[0009] The outer side walls of the pressing plates on the upper and lower sides are rotatably connected with threaded connecting rods.

[0010] As a further description of the above technical solution:

[0011] The outer ends of the threaded connecting rods on the upper and lower sides pass through the mounting grooves on the upper and lower sides and extend to the outer side wall of the mounting ring.

[0012] As a further description of the above technical solution:

[0013] The threaded connecting rods on the upper and lower sides are threadedly connected to the mounting ring.

[0014] As a further description of the above technical solution:

[0015] The outer side walls of the threaded connecting rods on the upper and lower sides are sleeved with extrusion springs, and the extrusion springs on the upper and lower sides are located in the inner cavities of the installation grooves on the upper and lower sides.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The digital pressure gauge uses a pipe connection mechanism. By pulling the threaded connecting rods on both sides so that the threaded connecting rods drive the pressure plate to squeeze the extrusion spring, the tenon installed on the pressure plate is moved into the installation groove, and then the sealing insert ring on the connecting pipe is inserted into the docking groove of the connecting pipe. After installation, the threaded connecting rod is loosened to reset and extend the extruded extrusion spring, and the pressure plate is pushed to move so that the tenon on the pressure plate passes through the sealing insert ring and the sealing gasket, and then extends to the inside of the connecting pipe. Then, the threaded connecting rod is rotated so that the threaded connecting rod is screwed to the installation ring to complete the connection between the connecting pipe and the connecting pipe, so that the connecting pipe and the connecting pipe can be connected quickly and conveniently.

[0018] 2. The pipe connection mechanism for the digital pressure gauge is configured by aligning the sealing insert ring on one side of the connecting pipe with the docking groove on one side of the communicating pipe so that the sealing insert ring is inserted into the docking groove. After the sealing insert ring is inserted into place, the sealing gasket in the docking groove will be plugged into the sealing insert ring. Then, the above steps are repeated to assemble the connecting pipe on the other side, so that the sealing insert ring cooperates with the docking groove and the sealing gasket to form multiple partitions, thereby sealing the connection between the communicating pipe and the connecting pipe, thereby effectively improving the sealing performance between the digital pressure gauge pipe and the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main three-dimensional structure of a pipe connection mechanism for a digital pressure gauge proposed by the present invention;

[0020] Figure 2 This is a bottom-up three-dimensional structural diagram of a pipe connection mechanism for a digital pressure gauge proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional three-dimensional structure of a pipe connection mechanism for a digital pressure gauge proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of a sealing mechanism of a pipe connection mechanism for a digital pressure gauge proposed in the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of a connecting mechanism for a pipeline connecting mechanism for a digital pressure gauge proposed in the utility model;

[0024] In the figure: 100, connecting pipe; 110, pressure gauge body; 120, docking groove; 121, sealing gasket; 130, mounting ring; 131, mounting groove; 140, pressure plate; 141, tenon; 150, threaded connecting rod; 151, extrusion spring; 200, connecting pipe; 210, sealing insert ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] The utility model provides a pipe connection mechanism for a digital pressure gauge, which can effectively improve the sealing between the pipe for the digital pressure gauge and the connecting pipe, and can quickly and conveniently connect the connecting pipe and the connecting pipe. Figure 1-5 , including a connecting pipe 100 and a connecting pipe 200;

[0029] Please refer again Figure 1-5The connecting pipe 100 is used to install the main structure. The pressure gauge body 110 is screwed on the upper side of the outer wall of the connecting pipe 100. The left and right ends of the connecting pipe 100 are provided with docking grooves 120. The docking grooves 120 are used to dock with the connecting pipe 200. The inner walls of the inner cavity of the left and right docking grooves 120 are fixedly connected with sealing gaskets 121. The sealing gaskets 121 are used to seal the connection of the pipeline. The left and right sides of the outer wall of the connecting pipe 100 are fixedly connected with mounting rings 130. The mounting rings 130 are used to install the main structure. The inner sides of the left and right mounting rings 130 are provided with mounting grooves 110 on the upper and lower sides. 31, the mounting groove 131 is used to install the pressure plate 140, and the four walls of the inner cavity of the upper and lower mounting grooves 131 are slidably connected with the pressure plate 140. The pressure plate 140 is used to install the tenon 141. The inner wall of the upper and lower pressure plates 140 is fixedly connected with the tenon 141. The tenon 141 is used to fix the connecting pipe 200. The ends of the upper and lower tenons 141 pass through the mounting ring 130, the sealing insert ring 210 and the sealing gasket 121 and extend to the interior of the connecting pipe 100. The outer wall of the upper and lower pressure plates 140 is rotatably connected with the threaded connecting rod 150. The threaded connecting rod 150 is used to pull The outer ends of the upper and lower threaded connecting rods 150 pass through the upper and lower mounting grooves 131 and extend to the outer wall of the mounting ring 130. The upper and lower threaded connecting rods 150 are screwed to the mounting ring 130. The outer walls of the upper and lower threaded connecting rods 150 are sleeved with extrusion springs 151, and the upper and lower extrusion springs 151 are located in the inner cavity of the upper and lower mounting grooves 131. By pulling the threaded connecting rods 150 on both sides, the threaded connecting rods 150 drive the pressure plate 140 to squeeze the extrusion springs 151, so that the tenon installed on the pressure plate 140 moves to the mounting groove 131. Then, insert the sealing insert ring 210 on the connecting pipe 200 into the docking groove 120 of the connecting pipe 100. After it is installed in place, loosen the threaded connecting rod 150 to allow the squeezed extrusion spring 151 to reset and extend, push the pressure plate 140 to move so that the tenon 141 on the pressure plate 140 passes through the sealing insert ring 210 and the sealing gasket 121, and then extends to the interior of the connecting pipe 100. Then, rotate the threaded connecting rod 150 so that the threaded connecting rod 150 and the installation ring 130 are screwed together, completing the connection between the connecting pipe 100 and the connecting pipe 200.

[0030] In summary, the connecting pipe 100 and the connecting pipe 200 can be connected quickly and conveniently;

[0031] Please refer again Figure 1-4The connecting pipe 200 is located on the left and right sides of the connecting pipe 100. The left and right connecting pipes 200 are plugged into the left and right sides of the connecting pipe 100 through the sealing insert ring 210. The ends of the left and right connecting pipes 200 are fixedly connected with the sealing insert ring 210. The sealing insert ring 210 is used to connect with the connecting pipe 100. The ends of the left and right sealing insert rings 210 extend between the inner side walls of the left and right docking grooves 120, and the ends of the left and right sealing insert rings 210 are plugged into the left and right sealing gaskets 121. By connecting the connecting pipe 2 The sealing insert ring 210 on one side of the connecting pipe 100 is aligned with the docking groove 120 on one side and inserted into the docking groove 120. After the sealing insert ring 210 is inserted into place, the sealing gasket 121 in the docking groove 120 will be plugged into the sealing insert ring 210. Then repeat the above steps to assemble the connecting pipe 200 on the other side, so that the sealing insert ring 210 cooperates with the docking groove 120 and the sealing gasket 121 to form multiple partitions, thereby sealing the connection between the connecting pipe 100 and the connecting pipe 200.

[0032] In summary, the sealing performance between the digital pressure gauge pipe and the connecting pipe 200 can be effectively improved;

[0033] In specific use, the technical personnel in this field pull the threaded connecting rods 150 on both sides to make the threaded connecting rods 150 drive the pressure plate 140 to squeeze the extrusion spring 151, so that the tenon installed on the pressure plate 140 moves to the installation groove 131, and then the sealing insert ring 210 on the connecting pipe 200 is inserted into the docking groove 120 of the connecting pipe 100. After installation, the threaded connecting rod 150 is loosened to allow the squeezed extrusion spring 151 to reset and extend, and the pressure plate 140 is pushed to move so that the tenon 141 on the pressure plate 140 passes through the sealing insert ring 210 and the sealing gasket 121, and then extends to the interior of the connecting pipe 100, and then the threaded connecting rod 150 is rotated to make the threaded connecting rod The connecting rod 150 screws the threaded connecting rod 150 to the mounting ring 130 to complete the connection between the connecting pipe 100 and the connecting pipe 200. The sealing insert 210 on one side of the connecting pipe 200 is aligned with the docking groove 120 on one side of the connecting pipe 100 and inserted so that the sealing insert 210 is connected to the docking groove 120. After the sealing insert 210 is inserted into place, the sealing gasket 121 in the docking groove 120 will be plugged into the sealing insert 210. Then, repeat the above steps to assemble the connecting pipe 200 on the other side, so that the sealing insert 210 cooperates with the docking groove 120 and the sealing gasket 121 to produce multiple partitions, thereby sealing the connection between the connecting pipe 100 and the connecting pipe 200.

[0034] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pipe connection mechanism for a digital pressure gauge, characterized in that: The invention comprises a connecting pipe (100) and a connecting pipe (200), wherein the connecting pipe (200) is located on the left and right sides of the connecting pipe (100), a pressure gauge body (110) is screwed on the upper side of the outer wall of the connecting pipe (100), a docking groove (120) is opened on the left and right ends of the connecting pipe (100), and a sealing gasket (121) is fixedly connected to the inner side walls of the inner cavity of the docking groove (120) on the left and right sides, and a mounting ring (130) is fixedly connected to the left and right sides of the outer wall of the connecting pipe (100), and the inner upper side walls of the mounting ring (130) on the left and right sides are fixedly connected. The lower two sides are provided with mounting grooves (131), and a pressure plate (140) is slidably connected between the four walls of the inner cavity of the mounting grooves (131) on the upper and lower sides. The inner side walls of the pressure plates (140) on the upper and lower sides are fixedly connected with a tenon (141), and the ends of the connecting pipes (200) on the left and right sides are fixedly connected with a sealing insert ring (210), and the ends of the sealing insert rings (210) on the left and right sides extend between the inner side walls of the docking grooves (120) on the left and right sides, and the ends of the sealing insert rings (210) on the left and right sides are plugged into the sealing gaskets (121) on the left and right sides.

2. A pipe connection mechanism for a digital pressure gauge according to claim 1, characterized in that: The ends of the tenons (141) on the upper and lower sides pass through the mounting ring (130), the sealing insert ring (210) and the sealing gasket (121) and extend to the interior of the connecting pipe (100).

3. The pipe connection mechanism for a digital pressure gauge according to claim 1, characterized in that: The outer side walls of the upper and lower pressure plates (140) are rotatably connected with threaded connecting rods (150).

4. A pipe connection mechanism for a digital pressure gauge according to claim 3, characterized in that: The outer ends of the threaded connecting rods (150) on the upper and lower sides pass through the mounting grooves (131) on the upper and lower sides and extend to the outer side walls of the mounting ring (130).

5. The pipe connection mechanism for a digital pressure gauge according to claim 4, characterized in that: The threaded connecting rods (150) on the upper and lower sides are threadedly connected to the mounting ring (130).

6. A pipe connection mechanism for a digital pressure gauge according to claim 5, characterized in that: The outer side walls of the threaded connecting rods (150) on the upper and lower sides are sleeved with extrusion springs (151), and the extrusion springs (151) on the upper and lower sides are located in the inner cavities of the installation grooves (131) on the upper and lower sides.

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