Valve pressure detection mechanism

Abstract

The utility model relates to a detection mechanism and belongs to the technical field of valve detection, in particular to a valve pressure detection mechanism which comprises a valve body, a valve pipe and a detection pipe, the valve pipe is fixedly mounted on the valve body, the detection pipe is movably mounted on the valve pipe, a pressure gauge is arranged on the detection pipe, and a movable groove is formed in the position, corresponding to the pressure gauge, of the detection pipe. One end of the pressure gauge is located in the movable groove, a connecting base is fixedly installed on the pressure gauge and located in the detection pipe, a detection head is installed at the bottom of the connecting base, a driving mechanism and a sealing mechanism are arranged on the detection pipe, and the driving mechanism comprises a rotary knob, a transmission rod and a transmission block. The transmission rod is fixedly mounted at the bottom of the knob, penetrates through the top wall surface of the detection tube downwards and is positioned in the detection tube; according to the utility model, the effect of protecting the detection head when detection is not carried out is achieved, and the service life of the detection head is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of valve detection, in particular to a valve pressure detection mechanism. Background Art

[0002] A valve is a device used to control the direction, pressure, and flow of a fluid in a fluid system. It enables the medium in piping and equipment to have functions such as diversion, cutoff, throttling, check, diversion, or overflow pressure relief. However, due to the different pressures of the fluid, the strength requirements of the valve are also different.

[0003] In the existing valve detection mechanism, the detection module is always impacted by water flow. Long-term impact will affect the detection accuracy of the pressure sensor and reduce the service life of the pressure sensor. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a valve pressure detection mechanism, which can protect the detection head when not detecting, thereby increasing the service life of the detection head.

[0005] The technical solution to achieve the purpose of the utility model is: a valve pressure detection mechanism, including a valve body, a valve tube and a detection tube, the valve tube is fixedly installed on the valve body, the detection tube is movably installed on the valve tube, a pressure gauge is arranged on the detection tube, a movable groove is opened on the detection tube at a position corresponding to the pressure gauge, one end of the pressure gauge is located inside the movable groove, a connecting seat is fixedly installed on the pressure gauge, the connecting seat is located inside the detection tube, a detection head is installed at the bottom of the connecting seat, and a driving mechanism and a sealing mechanism are arranged on the detection tube;

[0006] The driving mechanism includes a knob, a transmission rod and a transmission block. The knob is arranged on the top of the pressure gauge, the transmission rod is fixedly installed on the bottom of the knob, the transmission rod penetrates downward through the top wall of the detection tube and is located inside the detection tube, the transmission block is arranged on the top of the connecting seat, the transmission rod penetrates downward through the top wall of the transmission block and is threadedly connected to the transmission block.

[0007] In some embodiments, the sealing mechanism includes a sealing plate, a movable plate, a mounting rod and a reset spring. There are two sealing plates, both of which are fixedly installed inside the detection tube. The detection head passes through the upper and lower walls of the sealing plate. The movable plate is arranged below the detection tube. There are two mounting rods, both of which are fixedly installed on the bottom wall of the detection tube. Both of the mounting rods pass through the upper and lower walls of the movable plate, and the reset spring is sleeved below the mounting rods.

[0008] In some embodiments, a mounting ring is movably installed on the detection tube through a thread, a circular hole matching the detection tube is opened on the valve tube at a position corresponding to the detection tube, and the detection tube is installed on the valve tube by passing through the circular hole upward from the inside of the valve tube.

[0009] In some embodiments, a sealing ring is embedded and installed at a position on the valve tube corresponding to the mounting ring, and the inner wall of the sealing ring fits with the side wall of the detection tube.

[0010] Compared with the prior art, the present invention has the following significant advantages:

[0011] The utility model arranges a driving mechanism and a sealing mechanism. When detection is not needed, the movable plate is located below the detection tube to seal the inside of the detection tube, and the detection head is located inside the detection tube to protect the detection head. When detection is needed, the knob is rotated, and the knob drives the transmission rod to rotate. The transmission rod is threadedly connected with the transmission block, and the transmission block is driven to move downward by the transmission rod, so that the transmission block presses the connecting seat downward, so that the connecting seat drives the detection head and the pressure gauge to move downward, and the pressure gauge moves inside the movable groove, and the detection head presses the movable plate downward, and the movable plate presses the reset spring downward, so that the movable plate leaves the bottom of the detection tube, and the detection head extends into the interior of the valve tube, so that pressure detection can be performed, thereby achieving the effect of protecting the detection head when no detection is required, and improving the service life of the detection head. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0013] Figure 1 It is a schematic diagram of the main structure provided in one embodiment of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram provided in one embodiment of the utility model;

[0015] Figure 3 The utility model provides in one embodiment Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 The utility model provides in one embodiment Figure 2 Enlarged view of point B in the middle.

[0017] Description of reference numerals:

[0018] 1. Valve body; 2. Valve tube; 3. Detection tube; 4. Mounting ring; 5. Pressure gauge; 6. Movable groove; 7. Connecting seat; 8. Detection head; 9. Knob; 10. Transmission rod; 11. Transmission block; 12. Sealing plate; 13. Movable plate; 14. Mounting rod; 15. Reset spring; 16. Sealing ring. DETAILED DESCRIPTION

[0019] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a valve pressure detection mechanism through improvement. The technical solution of the utility model is:

[0021] like Figures 1 to 3 As shown, a valve pressure detection mechanism comprises a valve body 1, a valve tube 2 and a detection tube 3, the valve tube 2 is fixedly mounted on the valve body 1, the detection tube 3 is a hollow cylindrical structure, the detection tube 3 is movably mounted on the valve tube 2, a mounting ring 4 is movably mounted on the detection tube 3 through a thread, a circular hole matching the detection tube 3 is opened on the valve tube 2 at a position corresponding to the detection tube 3, the detection tube 3 passes through the circular hole upward from the inside of the valve tube 2 and is installed on the valve tube 2, the mounting ring 4 fixes the detection tube 3 through a thread, so that the detection tube 3 is fixedly mounted on the valve tube 2, a pressure gauge 5 is arranged on the detection tube 3, a movable groove 6 is opened on the detection tube 3 at a position corresponding to the pressure gauge 5, one end of the pressure gauge 5 is located inside the movable groove 6, a connecting seat 7 is fixedly mounted on the pressure gauge 5, the connecting seat 7 is located inside the detection tube 3, a detection head 8 is installed at the bottom of the connection seat 7, the pressure inside the valve tube 2 is sensed and detected by the detection head 8, and then the data is displayed by the pressure gauge 5, and a driving mechanism and a sealing mechanism are arranged on the detection tube 3;

[0022] like Figure 2 and Figure 3 As shown, the driving mechanism includes a knob 9, a transmission rod 10 and a transmission block 11. The knob 9 is a circular structure, and the knob 9 is arranged on the top of the pressure gauge 5. The transmission rod 10 is a cylindrical structure with threads, and the transmission rod 10 is fixedly installed at the bottom of the knob 9. The transmission rod 10 penetrates the top wall of the detection tube 3 downward and is located inside the detection tube 3. The transmission block 11 is an "L"-shaped block, and the transmission block 11 is arranged on the top of the connecting seat 7. The transmission rod 10 penetrates the top wall of the transmission block 11 downward and is threadedly connected to the transmission block 11.

[0023] like Figure 2 and Figure 4As shown, the sealing mechanism includes a sealing plate 12, a movable plate 13, a mounting rod 14 and a reset spring 15. The sealing plate 12 is a circular plate. There are two sealing plates 12. Both sealing plates 12 are fixedly installed inside the detection tube 3. The sealing plate 12 is consistent with the size of the inside of the detection tube 3. The detection head 8 passes through the upper and lower walls of the sealing plate 12. The movable plate 13 is a circular plate. The movable plate 13 is arranged below the detection tube 3. The mounting rod 14 is a cylindrical structure. There are two mounting rods 14. Both mounting rods 14 are fixedly installed on the bottom wall of the detection tube 3. Both mounting rods 14 pass through the upper and lower walls of the movable plate 13. The reset spring 15 is sleeved under the mounting rod 14. Through the setting of the driving mechanism and the sealing mechanism, when detection is not needed, the movable plate 1 3 is located below the detection tube 3 to seal the inside of the detection tube 3. The detection head 8 is located inside the detection tube 3 to protect the detection head 8. When detection is required, the knob 9 is rotated, and the knob 9 drives the transmission rod 10 to rotate. The transmission rod 10 is threadedly connected with the transmission block 11, and the transmission block 11 is driven to move downward by the transmission rod 10, so that the transmission block 11 presses the connecting seat 7 downward, so that the connecting seat 7 drives the detection head 8 and the pressure gauge 5 to move downward, and the pressure gauge 5 moves inside the movable groove 6, and the detection head 8 presses the movable plate 13 downward, and the movable plate 13 presses the reset spring 15 downward, so that the movable plate 13 leaves the bottom of the detection tube 3, and the detection head 8 extends into the interior of the valve tube 2, so that pressure detection can be performed.

[0024] like Figure 4 As shown, in one embodiment, a sealing ring 16 is embedded and installed at a position corresponding to the mounting ring 4 on the valve tube 2. The sealing ring 16 is a circular rubber structure. The inner wall of the sealing ring 16 fits with the side wall of the detection tube 3. When the mounting ring 4 moves on the detection tube 3, the sealing ring 16 is squeezed. The sealing ring 16 is deformed after being squeezed, and then fills the gap between the valve tube 2, the detection tube 3 and the mounting ring 4, thereby sealing the installation of the valve tube 2.

[0025] The specific working methods are:

[0026] By setting the driving mechanism and the sealing mechanism, when detection is not needed, the movable plate 13 is located below the detection tube 3 to seal the inside of the detection tube 3, and the detection head 8 is located inside the detection tube 3 to protect the detection head 8. When detection is needed, the knob 9 is rotated, and the knob 9 drives the transmission rod 10 to rotate. The transmission rod 10 is threadedly connected with the transmission block 11, and the transmission block 11 is driven to move downward by the transmission rod 10, so that the transmission block 11 squeezes the connecting seat 7 downward, so that the connecting seat 7 drives the detection head 8 and the pressure gauge 5 to move downward, and the pressure gauge 5 moves inside the movable groove 6, and the detection head 8 squeezes the movable plate 13 downward, and the movable plate 13 squeezes the reset spring 15 downward, so that the movable plate 13 leaves the bottom of the detection tube 3, and the detection head 8 extends into the interior of the valve tube 2, so that pressure detection can be performed.

[0027] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A valve pressure detection mechanism, comprising a valve body (1), a valve tube (2) and a detection tube (3), wherein the valve tube (2) is fixedly mounted on the valve body (1), and the detection tube (3) is movably mounted on the valve tube (2), characterized in that: The detection tube (3) is provided with a pressure gauge (5), a movable groove (6) is provided on the detection tube (3) at a position corresponding to the pressure gauge (5), one end of the pressure gauge (5) is located inside the movable groove (6), a connecting seat (7) is fixedly mounted on the pressure gauge (5), the connecting seat (7) is located inside the detection tube (3), a detection head (8) is mounted at the bottom of the connecting seat (7), and a driving mechanism and a sealing mechanism are provided on the detection tube (3); The driving mechanism comprises a knob (9), a transmission rod (10) and a transmission block (11); the knob (9) is arranged on the top of the pressure gauge (5); the transmission rod (10) is fixedly mounted on the bottom of the knob (9); the transmission rod (10) penetrates downward through the top wall of the detection tube (3) and is located inside the detection tube (3); and the transmission block (11) is arranged on the top of the connecting seat (7).

2. A valve pressure detection mechanism according to claim 1, characterized in that: The sealing mechanism comprises a sealing plate (12), a movable plate (13), a mounting rod (14) and a reset spring (15). There are two sealing plates (12) in total. The two sealing plates (12) are fixedly mounted inside the detection tube (3). The detection head (8) passes through the upper and lower wall surfaces of the sealing plate (12). The movable plate (13) is arranged below the detection tube (3). There are two mounting rods (14) in total. The two mounting rods (14) are fixedly mounted on the bottom wall surface of the detection tube (3). The two mounting rods (14) pass through the upper and lower wall surfaces of the movable plate (13). The reset spring (15) is sleeved below the mounting rods (14).

3. A valve pressure detection mechanism according to claim 1, characterized in that: The transmission rod (10) penetrates downwardly through the top wall surface of the transmission block (11) and is threadedly connected to the transmission block (11).

4. A valve pressure detection mechanism according to claim 1, characterized in that: The detection tube (3) is movably mounted with a mounting ring (4) through a thread, and a circular hole matching the detection tube (3) is provided at a position on the valve tube (2) corresponding to the detection tube (3). The detection tube (3) passes through the circular hole upward from the inside of the valve tube (2) and is mounted on the valve tube (2).

5. A valve pressure detection mechanism according to claim 1, characterized in that: A sealing ring (16) is embedded and installed at a position on the valve tube (2) corresponding to the mounting ring (4).

6. A valve pressure detection mechanism according to claim 5, characterized in that: The inner wall of the sealing ring (16) is in contact with the side wall of the detection tube (3).

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