Quick-release multi-port universal pressure gauge

Abstract

This utility model discloses a quick-release multi-port universal pressure gauge, including a connecting pipe, a quick-release assembly at the bottom of the connecting pipe, a tube body, a buckle fitted to the outer wall of the bottom of the connecting pipe, a return spring between the tube body and the buckle, a slot in the outer wall of the tube body with a ball bearing, a sealing ring on one side of the buckle, and a connecting pipe 2 inside the tube body. This utility model, through the coordinated design of the tube body, buckle, return spring 2, and ball bearing in the quick-release assembly, allows the operator to simply press the buckle to drive the ball bearing back, releasing the locking of the connecting parts and completing the quick disassembly of the pressure gauge. It connects to a valve via an air supply pipe, inflating the valve to expand the gas ring and tightly fit it against the outer wall of the connecting pipe, allowing it to adapt to different pipe diameters, fill connection gaps, and form a reliable seal, thus effectively solving the sealing problem of connecting pipes of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of pressure gauge technology, specifically to a quick-release multi-interface universal pressure gauge. Background Technology

[0002] Pressure gauges, as instruments used for pressure measurement, are widely used in many fields such as industrial production, energy management, and scientific research experiments to measure the pressure values ​​of media such as gases and liquids. They convert pressure signals into mechanical displacement or electrical signals through internal sensitive elements, and then display the pressure data intuitively. They are key tools for ensuring the safe and stable operation of equipment and precise control of process flows. With their reliable performance and diverse types, pressure gauges play an indispensable role in modern industrial systems.

[0003] However, traditional pressure gauges typically use threaded or flanged connections, which present drawbacks such as time-consuming installation and disassembly, and high dependence on operator tools. When dealing with piping systems of different diameters, frequent replacement of compatible pressure gauges is necessary, increasing costs and severely impacting production efficiency and equipment maintenance timeliness.

[0004] Furthermore, the single-sized interface of traditional pressure gauges makes direct installation impossible when dealing with pipes of different diameters, or requires the use of multiple adapters. These adapters not only increase equipment procurement costs but may also create sealing issues due to repeated adapter connections, affecting the accuracy of pressure measurements. Moreover, frequent replacement of different adapter sizes leads to cumbersome installation operations, consuming significant time and manpower. Therefore, there is an urgent need to design a quick-release, multi-interface universal pressure gauge to solve these problems. Utility Model Content

[0005] The purpose of this invention is to provide a quick-release, multi-port universal pressure gauge to address the aforementioned shortcomings in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A quick-release multi-port universal pressure gauge includes a connecting tube one, a quick-release assembly at the bottom of the connecting tube one, a tube body one sleeved on the outer wall of the bottom of the connecting tube one, a buckle sleeved on the outer wall of the tube body one, a return spring one between the tube body one and the buckle, a slot hole opened on the outer wall of the tube body one, a ball ball installed in the slot hole, a sealing ring installed on one side of the buckle, and a connecting tube two installed inside the tube body one.

[0008] Preferably, a pressure gauge is welded to the top of the connecting pipe, and the pressure gauge is used at least for measuring the pressure inside the pipe.

[0009] Preferably, the bottom of the connecting pipe two is provided with a pipe body two, and the inside of the pipe body two is provided with a connecting pipe three.

[0010] Preferably, the inner side of the second tube is provided with a sealing assembly, the sealing assembly including a fixing sleeve fixedly connected to the inner wall of the second tube, the inner side of the fixing sleeve is provided with an air ring, the outer wall of the air ring is provided with an air supply pipe, one end of the air supply pipe is provided with an air valve, and the air valve is connected to the air ring through the air supply pipe.

[0011] Preferably, the outer wall of the second tube is provided with a locking assembly, the locking assembly including a fixing seat fixedly connected to the outer wall of the second tube, a connecting rod inserted into the inside of the fixing seat, a pull ring bolted to one side of the connecting rod, a top plate provided on the other side of the connecting rod, and a return spring II sleeved on the outer wall of the connecting rod.

[0012] Preferably, a dust cap is provided at the air inlet of the valve, the dust cap is connected to the air inlet of the valve via a thread, and a silicone sealing gasket is provided on the inner wall of the dust cap.

[0013] In the above technical solution, the quick-release multi-port universal pressure gauge provided by this utility model has the following advantages:

[0014] (1) Through the coordinated design of the tube body, buckle, reset spring and ball in the quick-release assembly, the operator only needs to press the buckle to drive the ball to retract, release the lock on the connecting parts and complete the quick disassembly of the pressure gauge; during installation, the buckle automatically resets under the action of the reset spring, and the ball is inserted into the corresponding slot to achieve a stable connection. Compared with the traditional threaded connection, the installation and disassembly time is greatly shortened and the equipment maintenance efficiency is improved.

[0015] (2) Connected to the valve via the gas supply pipe. After the connecting pipe is initially fixed by the locking assembly, the valve is inflated. The gas enters the gas ring through the gas supply pipe, causing the gas ring to expand and tightly fit against the outer wall of the connecting pipe. The elastic deformation capability of the gas ring allows it to adapt to different pipe diameters, fill the connection gap, form a reliable seal, and prevent leakage of pressure medium. This effectively solves the sealing problem of connecting pipes of different sizes, ensuring that the pressure gauge can stably and accurately measure pressure under various working conditions. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1This is a three-dimensional structural view of an embodiment of the quick-release multi-port universal pressure gauge of this utility model.

[0018] Figure 2 This is a three-dimensional view of the quick-release component structure provided in an embodiment of the quick-release multi-interface universal pressure gauge of this utility model.

[0019] Figure 3 This is a three-dimensional view of the tube body structure provided for an embodiment of the quick-release multi-interface universal pressure gauge of this utility model.

[0020] Figure 4 This is a perspective view of the sealing component structure provided in an embodiment of the quick-release multi-interface universal pressure gauge of this utility model.

[0021] Figure 5 This is a perspective view of the locking assembly structure provided in an embodiment of the quick-release multi-interface universal pressure gauge of this utility model.

[0022] 1. Pressure gauge; 2. Connecting pipe one; 3. Quick-release assembly; 31. Pipe body one; 32. Buckle; 33. Return spring one; 34. Ball bearing; 35. Sealing ring; 36. Connecting pipe two; 4. Pipe body two; 5. Sealing assembly; 51. Fixing sleeve; 52. Gas ring; 53. Air supply pipe; 54. Valve nozzle; 6. Locking assembly; 61. Fixing base; 62. Connecting rod; 63. Pull ring; 64. Top plate; 65. Return spring two; 7. Connecting pipe three. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-5 As shown, the quick-release multi-port universal pressure gauge provided in this embodiment of the utility model includes a connecting tube 2, a quick-release assembly 3 at the bottom of the connecting tube 2, a tube body 31 sleeved on the outer wall of the bottom of the connecting tube 2, a buckle 32 sleeved on the outer wall of the tube body 31, a return spring 33 between the tube body 31 and the buckle 32, a slot is opened on the outer wall of the tube body 31, a ball bearing 34 is provided at the slot, a sealing ring 35 is provided on one side of the buckle 32, and a connecting tube 2 36 is provided inside the tube body 31.

[0025] In this embodiment, a connecting pipe 2 is included, and a quick-release assembly 3 is provided at the bottom of the connecting pipe 2. The quick-release assembly 3 includes a pipe body 31 sleeved on the outer wall of the bottom of the connecting pipe 2. A buckle 32 is sleeved on the outer wall of the pipe body 31. The buckle 32 is sleeved on the outer wall of the pipe body 31, and its inner wall is provided with an annular guide groove, which slides in cooperation with the protruding guide rail on the outer wall of the pipe body 31 to ensure that the buckle 32 can only slide smoothly along the axial direction of the pipe body 31. A space is provided between the pipe body 31 and the buckle 32. A return spring 33 is installed in a compressed state between the tube body 31 and the buckle 32. One end of the return spring 33 is hooked on the limiting protrusion of the tube body 31, and the other end is pressed against the annular groove inside the buckle 32. The outer wall of the tube body 31 has a slot, and a ball 34 is provided in the slot. There are 6 slots evenly distributed along the circumference of the outer wall of the tube body 31, and a ball 34 is embedded in each slot. The diameter of the ball 34 is slightly larger than the depth of the slot, so that half of it is exposed in the slot. When the connecting tube 2 36 is inserted, the connecting tube 2 36 inside the tube body 1 is pressed by the finger to slide away from the pressure gauge 1, compressing the return spring 1 33. The ball 34 is squeezed inward by the tube fitting. When the tube fitting is in place, the buckle 32 is released. Under the elastic force of the return spring 1 33, the buckle 32 is reset, and the ball 34 pops out and is locked into the annular groove of the tube fitting, forming a mechanical lock. A sealing ring 35 is provided on one side of the buckle 32. The connecting tube 2 36 is provided inside the tube body 1 31. The top of the connecting tube 2 36 has a slot. When the connecting tube 2 36 is inserted, its slot can cooperate with the ball 34 to achieve locking.

[0026] Specifically, a pressure gauge 1 is welded to the top of the connecting pipe 2. The pressure gauge 1 is used at least for measuring the pressure inside the pipe. As the core component for pressure detection, the pressure gauge 1 is vertically welded to the top of the connecting pipe 2. The pressure signal can be transmitted from the connecting pipe 2 to the sensing element of the pressure gauge 1 without loss, so as to achieve accurate measurement of the pressure inside the pipe.

[0027] Specifically, a pipe body 4 is provided at the bottom of the connecting pipe 2 36, and a connecting pipe 3 7 is provided inside the pipe body 2 4.

[0028] Specifically, the inner wall of the second tube 4 is provided with a sealing component 5. The sealing component 5 includes a fixed sleeve 51 fixedly connected to the inner wall of the second tube 4. The fixed sleeve 51 is provided with an air ring 52. The air ring 52 is made of expandable rubber and is nested inside the fixed sleeve 51. The outer wall of the air ring 52 is provided with an air supply pipe 53. One end of the air supply pipe 53 is provided with an air valve 54. The air valve 54 is connected to the air ring 52 through the air supply pipe 53. By using an inflation device connected to the air valve 54, air is inflated into the air ring 52. The air ring 52 expands under the action of gas pressure and tightly fits the outer wall of the third connecting tube 7 to form a seal.

[0029] Specifically, a locking assembly 6 is provided on the outer wall of the second pipe body 4. The locking assembly 6 includes a fixing seat 61 fixedly connected to the outer wall of the second pipe body 4. The fixing sleeve 51 is tightly combined with the inner wall of the second pipe body 4 through a hot-press vulcanization process to form an integral structure. A connecting rod 62 is inserted into the inside of the fixing seat 61. The internal through hole of the fixing seat 61 and the connecting rod 62 are fitted with a clearance, with the clearance controlled within 0.1mm to ensure smooth sliding of the connecting rod 62. A pull ring 63 is bolted to one side of the connecting rod 62. One end of the connecting rod 62 is fastened to the pull ring 63 by a bolt to facilitate the operator to apply force. A top plate 64 is provided on the other side of the connecting rod 62. A return spring 65 is sleeved on the outer wall of the connecting rod 62. By pulling the pull ring 63 of the locking assembly 6, the connecting rod 62 is moved, causing the top plate 64 to loosen. At this time, the third connecting pipe 7 is inserted into the inside of the second pipe body 4. The pull ring 63 is released, the return spring 65 is reset, and the top plate 64 locks the third connecting pipe 7.

[0030] Specifically, a dust cap is provided at the air inlet of the valve 54. The dust cap is connected to the air inlet of the valve 54 by threads. The inner wall of the dust cap is provided with a silicone sealing gasket. The dust cap at the air inlet of the valve 54 is made of PP material. The silicone sealing gasket on the inner wall is 1.5mm thick. After being tightened by threads, it forms double protection to prevent dust and moisture from entering the air pipe 53 and affecting the sealing performance.

[0031] Working steps: 1. Press down on the buckle 32 through the quick release component 3. At this time, the return spring 33 is compressed and the ball 34 retracts into the slot of the tube body 31. After aligning the position, release the buckle 32. The return spring 33 pushes the buckle 32 to reset. The ball 34 pops out and locks the pipe, so that the connecting pipe 36 is connected to it. This allows the pressure gauge 1 to be quickly connected to it through the connecting pipe 2.

[0032] 2. By pulling the pull ring 63 of the locking assembly 6, the connecting rod 62 is moved, causing the top plate 64 to be released. At this time, the connecting tube 3 7 is inserted into the inside of the tube body 2 4. The pull ring 63 is released, the reset spring 2 65 is reset, and the top plate 64 locks the connecting tube 3 7.

[0033] Third, by using an inflation device connected to the valve 54, air is inflated into the air ring 52. The air ring 52 expands under the gas pressure and tightly fits the outer wall of the connecting pipe 7 to form a seal.

[0034] IV. During disassembly, simply release the air from the gas ring 52, pull the locking assembly 6, and the connecting pipe 3 7 can be disassembled. The pressure plate can be disassembled by sliding the buckle 32.

[0035] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, 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 quick-release multi-port universal pressure gauge, including a connecting pipe (2), characterized in that, The bottom of the connecting tube 1 (2) is provided with a quick-release assembly (3). The quick-release assembly (3) includes a tube body 1 (31) sleeved on the outer wall of the bottom of the connecting tube 1 (2). A buckle (32) is sleeved on the outer wall of the tube body 1 (31). A reset spring 1 (33) is provided between the tube body 1 (31) and the buckle (32). A slot is opened on the outer wall of the tube body 1 (31). A ball bearing (34) is provided at the slot. A sealing ring (35) is provided on one side of the buckle (32). A connecting tube 2 (36) is provided inside the tube body 1 (31). A pressure gauge (1) is welded to the top of the connecting pipe (2), and the pressure gauge (1) is used at least for measuring the pressure inside the pipe. The bottom of the second connecting pipe (36) is provided with a second pipe body (4), and the inside of the second pipe body (4) is provided with a third connecting pipe (7). The inner part of the tube body 2 (4) is provided with a sealing component (5). The sealing component (5) includes a fixing sleeve (51) fixedly connected to the inner wall of the tube body 2 (4). The inner part of the fixing sleeve (51) is provided with an air ring (52). The outer wall of the air ring (52) is provided with an air supply pipe (53). One end of the air supply pipe (53) is provided with an air valve (54). The air valve (54) is connected to the air ring (52) through the air supply pipe (53).

2. The quick disconnect multi-interface universal pressure gauge of claim 1, wherein, The outer wall of the second tube (4) is provided with a locking assembly (6). The locking assembly (6) includes a fixing seat (61) fixedly connected to the outer wall of the second tube (4). A connecting rod (62) is inserted into the inside of the fixing seat (61). A pull ring (63) is bolted to one side of the connecting rod (62). A top plate (64) is provided on the other side of the connecting rod (62). A reset spring (65) is sleeved on the outer wall of the connecting rod (62).

3. The quick disconnect multi-interface universal pressure gauge of claim 1, wherein, A dust cap is provided at the air inlet of the valve (54), and the dust cap is connected to the air inlet of the valve (54) by a thread. A silicone sealing gasket is provided on the inner wall of the dust cap.

Images