Valve body sealing performance detection device
The valve body sealing detection device addresses inefficiencies and inaccuracies in existing devices by enabling simultaneous, high-accuracy testing of multiple valve bodies through air supply and pressure gauge monitoring, ensuring reliable sealing performance assessment.
Patent Information
- Application Number
- CN202421211753.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Existing valve body sealing detection devices are inefficient for batch testing and lack accuracy in detecting small leaks, leading to unreliable sealing performance judgments.
A valve body sealing detection device with a supporting plate, detection mechanism, sealed air supply mechanism, and driving mechanism that allows simultaneous testing of multiple valve bodies by monitoring pressure gauge fluctuations during air injection, ensuring high detection accuracy and efficiency.
Enables high-accuracy, high-efficiency batch detection of valve body sealing performance by detecting pressure gauge fluctuations, effectively identifying both large and small leaks.
Smart Images
Figure CN222299092U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of valve body detection, and in particular relates to a valve body sealing detection device. Background Art
[0002] The valve body is an important component of the valve. In order to avoid medium leakage, the valve body should be ensured to have sufficient sealing performance.
[0003] After the valve body is produced and formed, it is necessary to test the sealing performance of the valve body. There are many types of equipment on the market that can be used to test the sealing performance of the valve body, but they can only be tested one by one, which is inefficient and difficult to meet the needs of batch testing.
[0004] It was retrieved that in the prior art, a Chinese utility model patent with authorization announcement number CN220398811U discloses "a valve body sealing detection device", which includes a support assembly, a clamping assembly rotatably connected to the support assembly, the clamping assembly is limited by a limit assembly, and the interior of the clamping assembly clamps a number of valve bodies distributed at equal intervals; the support assembly includes a supporting bottom plate, and the sealing performance of the valve body is judged by whether there is water leakage.
[0005] Although the valve body sealing detection device in the prior art including the above-mentioned one can meet general detection needs, the detection error is relatively large because the leakage is only obvious in the case of large leakage, and is not obvious for small leakage, and the sealing performance of the valve body cannot be accurately judged.
[0006] In order to solve the above problems, a valve body sealing detection device is proposed in the present application. Utility Model Content
[0007] In order to solve the above problems existing in the prior art, the utility model provides a valve body sealing detection device, which has the characteristics of easy use, high detection efficiency and high detection accuracy.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a valve body sealing detection device, including a base, and also including:
[0009] A supporting plate, the supporting plate being fixed to the top of the base;
[0010] A detection mechanism, wherein a plurality of groups of the detection mechanisms are fixed on the support plate at equal intervals in the horizontal direction, and the detection mechanism comprises a placement tube and a pressure gauge fixed at the bottom end of the placement tube, a rubber sealing gasket is fixed on the inner bottom surface of the placement tube, and a communicating exhaust hole is provided on the rubber sealing gasket and the placement tube;
[0011] A sealed air supply mechanism, the sealed air supply mechanism is located directly above the supporting plate, and the sealed air supply mechanism includes a lower connecting plate, a sealing rubber plug, a main air pipe and a shunt pipe, a plurality of inverted truncated cone-shaped sealing rubber plugs are fixed at equal intervals on the bottom surface of the lower connecting plate in the horizontal direction, and the sealing rubber plug and the lower connecting plate are provided with communicating air injection holes, one end of the shunt pipe is communicated with the air injection hole, and the other end is communicated with the main air pipe, and an air inlet pipe is fixed on the main air pipe;
[0012] A driving mechanism is drivably connected to the sealing air supply mechanism and is used to drive the sealing air supply mechanism to move.
[0013] As a preferred technical solution of the utility model, the detection mechanism also includes:
[0014] A fixing flange is fixed on the placing tube, and the placing tube is fixed on the supporting plate by the fixing flange.
[0015] As a preferred technical solution of the utility model, a positioning opening is provided on the placement tube.
[0016] As a preferred technical solution of the utility model, the sealing air supply mechanism also includes:
[0017] Support blocks, two of which are symmetrically fixed on the top surface of the lower connecting plate;
[0018] An upper connecting plate is fixed to the top end of the supporting block.
[0019] As a preferred technical solution of the utility model, the driving mechanism includes:
[0020] A vertical cylinder is provided on the base with a top plate supported and fixed by four No. 2 support columns which are diagonally distributed. The vertical cylinder is fixed on the top plate, and a piston rod of the vertical cylinder penetrates through the top plate and is fixedly connected to the upper connecting plate.
[0021] As a preferred technical solution of the utility model, the driving mechanism further includes:
[0022] Guide columns, two of which are symmetrically fixed on the upper connecting plate, and the top ends of the guide columns penetrate through the top plate.
[0023] As a preferred technical solution of the utility model, it also includes:
[0024] A No. 1 support column, the support plate is supported and fixed on the base by four No. 1 support columns that are diagonally distributed.
[0025] Compared with the prior art, the beneficial effects of the utility model are:
[0026] In the utility model, air supply detection is realized by cooperating with the sealing air supply mechanism and the detection mechanism, and the sealing performance of the valve body is judged by the fluctuation of the pressure gauge value. The detection accuracy is high, and multiple valve bodies can be detected at the same time. The detection efficiency is high and the batch detection needs are met.
[0027] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0029] Figure 1 It is a schematic diagram of the structure of the utility model;
[0030] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the detection mechanism in the utility model;
[0031] Figure 3 This is a schematic diagram of the axonometric structure of the sealing air supply mechanism in the utility model;
[0032] Figure 4 It is a schematic diagram of the axonometric structure of the support plate in the utility model.
[0033] In the figure: 1. base; 2. No. 1 support column; 3. support plate; 4. detection mechanism; 41. placement tube; 411. positioning port; 412. fixing flange; 42. rubber sealing gasket; 43. exhaust hole; 44. pressure gauge; 5. No. 2 support column; 6. top plate; 7. sealing air supply mechanism; 71. upper connecting plate; 72. support block; 73. lower connecting plate; 74. sealing rubber plug; 75. air injection hole; 76. main air pipe; 761. air inlet pipe; 77. diverter pipe; 8. driving mechanism; 81. vertical cylinder; 82. guide column. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0035] See also Figure 1-Figure 4The utility model provides the following technical solutions: a valve body sealing detection device, including a base 1, and also including: a supporting plate 3, a detection mechanism 4, a sealing air supply mechanism 7 and a driving mechanism 8.
[0036] Further, by Figure 1-Figure 4 As shown, in this embodiment, the supporting plate 3 is fixed to the top of the base 1, and multiple groups of detection mechanisms 4 are fixed on the supporting plate 3 at equal intervals in the horizontal direction, and the detection mechanism 4 includes a placement tube 41 and a pressure gauge 44 fixed to the bottom end of the placement tube 41, a rubber sealing gasket 42 is fixed to the inner bottom surface of the placement tube 41, and the rubber sealing gasket 42 and the placement tube 41 have interconnected exhaust holes 43, the sealing air supply mechanism 7 is located directly above the supporting plate 3, and the sealing air supply mechanism 7 includes a lower connecting plate 73, a sealing rubber plug 74, a main air pipe 76 and a shunt pipe 77, multiple inverted truncated cone-shaped sealing rubber plugs 74 are fixed to the bottom surface of the lower connecting plate 73 at equal intervals in the horizontal direction, and the sealing rubber plug 74 and the lower connecting plate 73 have interconnected air injection holes 75, one end of the shunt pipe 77 is connected to the air injection hole 75, and the other end is connected to the main air pipe 76, and an air inlet pipe 761 is fixed to the main air pipe 76, the driving machine The structure 8 is drivably connected to the sealing air supply mechanism 7, and is used to drive the sealing air supply mechanism 7 to move. After adopting the above scheme, when in use, the valve body to be tested is first placed in the placement tube 41, and then the driving mechanism 8 is started to drive the sealing air supply mechanism 7 to move downward, so that the inverted truncated cone-shaped sealing rubber plug 74 is inserted into the valve body to seal from the top, and the bottom of the valve body is sealed by the rubber sealing gasket 42. The air inlet pipe 761 is connected to the air source, which is used to inject air into the valve body. When the value of the pressure gauge 44 changes significantly, the air injection is stopped, and the value of the pressure gauge 44 is continuously observed. If the current value is stable, it indicates that the sealing performance of the valve body is good. The utility model realizes air supply detection by cooperating with the sealing air supply mechanism 7 and the detection mechanism 4, and judges the sealing performance of the valve body by the fluctuation of the value of the pressure gauge 44. The detection accuracy is high, and multiple valve bodies can be detected at the same time, with high detection efficiency, which meets the needs of batch detection.
[0037] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the detection mechanism 4 also includes: a fixed flange 412, the fixed flange 412 is fixed on the placement tube 41, the placement tube 41 is fixed to the support plate 3 by means of the fixed flange 412, the fixed flange 412 is preferably fixed to the placement tube 41 by welding, and the placement tube 41 is installed by means of the fixed flange 412, which is easy to install and has high stability.
[0038] Preferably, by Figure 1 and Figure 2As shown, in this embodiment, a positioning port 411 is provided on the placement cylinder 41. Since the overall structure of the valve body is similar to a three-way pipe fitting, the positioning port 411 is used to position the valve body. The two opposite ports of the valve body are respectively the medium inlet and the medium outlet, which are sealed by a sealing rubber plug 74 and a rubber sealing gasket 42, respectively. During detection, a sealing component needs to be added to the third port of the valve body, such as screwing in the sealing rubber plug 74 or fixing the sealing plate by conventional means, to avoid air leakage.
[0039] Optionally, by Figure 1-Figure 3 As shown, in this embodiment, the sealing air supply mechanism 7 also includes: a support block 72 and an upper connecting plate 71. The two support blocks 72 are symmetrically fixed on the top surface of the lower connecting plate 73. The upper connecting plate 71 is fixed to the top of the support block 72. The upper connecting plate 71, the support block 72 and the lower connecting plate 73 form an integral "U"-shaped structure. In actual use, they can be combined by conventional methods such as welding and bolts.
[0040] Optionally, by Figure 1 As shown, in this embodiment, the driving mechanism 8 includes: a vertical cylinder 81, on the base 1, a top plate 6 is supported and fixed by four No. 2 support columns 5 distributed diagonally, the vertical cylinder 81 is fixed on the top plate 6, and a piston rod of the vertical cylinder 81 passes through the top plate 6 and is fixedly connected to the upper connecting plate 71, and the vertical cylinder 81 provides power for the upper connecting plate 71 to move.
[0041] Preferably, by Figure 1 As shown, in this embodiment, the driving mechanism 8 also includes: guide columns 82, two guide columns 82 are symmetrically fixed on the upper connecting plate 71, and the top ends of the guide columns 82 pass through the top plate 6. The guide columns 82 are arranged to guide the combination of the upper connecting plate 71, the support block 72 and the lower connecting plate 73 to improve stability.
[0042] Preferably, by Figure 1 As shown, in this embodiment, it also includes: a No. 1 support column 2, and the support plate 3 is supported and fixed on the base 1 by four No. 1 support columns 2 distributed diagonally, and has high stability.
[0043] It should be noted that the vertical cylinder 81 is a conventional commercially available device with a built-in power switch. Those skilled in the art can make a conventional selection according to usage requirements. Its working principle is common knowledge known to those skilled in the art and has been fully disclosed in the prior art, so it will not be elaborated in this article.
[0044] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.
[0045] Components not described in detail herein are prior art.
[0046] Working principle and use process of the utility model: When using the valve body sealing detection device of the utility model, firstly place the valve body to be detected in the placement cylinder 41, and use the positioning port 411 to position the valve body;
[0047] Start the vertical cylinder 81 to drive the assembly of the upper connecting plate 71, the support block 72 and the lower connecting plate 73 to move downward, so that the inverted truncated cone-shaped sealing rubber plug 74 is inserted into the valve body to seal from the top, and the bottom of the valve body is sealed by the rubber sealing gasket 42;
[0048] The air inlet pipe 761 is connected to the air source and is used to inject air into the valve body. When the value of the pressure gauge 44 changes significantly, stop injecting air and continue to observe the value of the pressure gauge 44. If the current value is stable, it means that the sealing performance of the valve body is good.
[0049] The utility model realizes air supply detection by cooperating with the sealing air supply mechanism 7 and the detection mechanism 4, and judges the sealing performance of the valve body by the fluctuation of the value of the pressure gauge 44. The detection accuracy is high, and multiple valve bodies can be detected at the same time. The detection efficiency is high and meets the batch detection needs.
[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A valve body sealing detection device, comprising a base (1), characterized in that: Also includes: A supporting plate (3), wherein the supporting plate (3) is fixed to the top of the base (1); A detection mechanism (4), wherein a plurality of groups of the detection mechanisms (4) are fixed on the supporting plate (3) at equal intervals in the horizontal direction, and the detection mechanism (4) comprises a placement tube (41) and a pressure gauge (44) fixed at the bottom end of the placement tube (41), a rubber sealing gasket (42) is fixed on the inner bottom surface of the placement tube (41), and a communicating exhaust hole (43) is provided on the rubber sealing gasket (42) and the placement tube (41); A sealed air supply mechanism (7), the sealed air supply mechanism (7) is located directly above the supporting plate (3), and the sealed air supply mechanism (7) comprises a lower connecting plate (73), a sealing rubber plug (74), a main air pipe (76) and a shunt pipe (77), a plurality of inverted truncated cone-shaped sealing rubber plugs (74) are fixed at equal intervals on the bottom surface of the lower connecting plate (73) in a horizontal direction, and the sealing rubber plug (74) and the lower connecting plate (73) are provided with communicating air injection holes (75), one end of the shunt pipe (77) is communicated with the air injection hole (75), and the other end is communicated with the main air pipe (76), and an air inlet pipe (761) is fixed on the main air pipe (76); A driving mechanism (8), wherein the driving mechanism (8) is drivably connected to the sealing air supply mechanism (7) and is used to drive the sealing air supply mechanism (7) to move.
2. A valve body sealing detection device according to claim 1, characterized in that: The detection mechanism (4) further comprises: A fixing flange (412), wherein the fixing flange (412) is fixed on the placement tube (41), and the placement tube (41) is fixed on the supporting plate (3) by means of the fixing flange (412).
3. A valve body sealing detection device according to claim 1, characterized in that: The placement tube (41) is provided with a positioning opening (411).
4. A valve body sealing detection device according to claim 1, characterized in that: The sealing air supply mechanism (7) further comprises: Support blocks (72), two of the support blocks (72) being symmetrically fixed on the top surface of the lower connecting plate (73); An upper connecting plate (71), wherein the upper connecting plate (71) is fixed to the top end of the supporting block (72).
5. A valve body sealing detection device according to claim 4, characterized in that: The driving mechanism (8) comprises: A vertical cylinder (81) is supported and fixed on the base (1) by four No. 2 support columns (5) distributed diagonally, and a top plate (6) is fixed on the vertical cylinder (81), and a piston rod of the vertical cylinder (81) penetrates the top plate (6) and is fixedly connected to the upper connecting plate (71).
6. A valve body sealing detection device according to claim 5, characterized in that: The driving mechanism (8) further comprises: Guide columns (82), wherein two guide columns (82) are symmetrically fixed on the upper connecting plate (71), and the top ends of the guide columns (82) penetrate the top plate (6).
7. A valve body sealing detection device according to claim 1, characterized in that: Also includes: A No. 1 support column (2), the support plate (3) is supported and fixed on the base (1) by four No. 1 support columns (2) distributed diagonally.