Sealing device for petrochemical instrument

Abstract

The utility model relates to the technical field of sealing devices, and discloses a sealing device for a petrochemical instrument. The upper clamping plate is arranged at the top of the pipeline; the lower clamping plate is arranged at the bottom of the pipeline; the mounting block is fixedly connected to the top of the upper clamping plate; the supporting rod is fixedly connected to the top of the mounting block; the instrument panel is fixedly connected to the top of the supporting rod; and the mounting assembly is arranged above the pipeline. According to the sealing device for the petrochemical instrument, a first moving rod and a second moving rod are used for controlling a front sealing shell and a rear sealing shell to be close to each other, an inserting block is inserted into an inserting groove for fixing, and the instrument panel is sealed and protected; the spring plate is placed in an attached mode along the sealing position of the front sealing shell and the rear sealing shell, meanwhile, the arc-shaped blocks are clamped in the arc-shaped grooves, the clamping blocks are connected with the springs and extruded to move into the grooves, the clamping blocks are aligned with the clamping grooves and reset through the elasticity of the springs, the clamping blocks are clamped in the clamping grooves, the spring plate is fixed, and the sealing performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing devices, in particular to a sealing device for petrochemical instruments. Background Art

[0002] The petrochemical industry is referred to as the petrochemical industry. It is one of the key pillar industries in my country. It mainly processes and sells crude oil and natural gas into fuels, such as diesel, gasoline, kerosene, paraffin, asphalt, plastic, rubber, chemicals, etc. In the petrochemical industry, the role of level instruments in oil level measurement is irreplaceable and plays a pivotal role. It is a widely used measuring instrument.

[0003] According to a sealing device for petrochemical instruments disclosed in Chinese patent CN213748608U, the second rubber rings on the first box body and the second box body are tightly attached together, and the second rubber ring on the second groove is tightly attached to the support rod of the instrument body, so that the converter of the instrument body is in a sealed environment formed by the first box body and the second box body, which can prevent external dust from falling on the display screen on the converter of the instrument body.

[0004] In the above device, a rubber ring is used to increase the sealing performance of the first box body and the second box body, but the rubber ring is easily squeezed, compressed and deformed in long-term use, which may lead to failure and reduce its performance. To this end, we provide a sealing device for petrochemical instruments. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing device for petrochemical instruments to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A sealing device for petrochemical instruments, comprising: a pipeline;

[0007] An upper clamping plate disposed on the top of the pipeline;

[0008] A lower clamping plate disposed at the bottom of the pipeline;

[0009] A mounting block fixedly connected to the top of the upper clamping plate;

[0010] A support rod fixedly connected to the top of the mounting block;

[0011] A dashboard fixedly connected to the top of the support rod;

[0012] And a mounting assembly arranged above the pipeline; the mounting assembly comprises a mounting portion fixedly connected to the front side of the upper clamping plate, the mounting portion is connected to a sealing portion, and the sealing portion is connected to a fixing portion.

[0013] Preferably, the mounting portion includes a fixing ear plate 1 fixedly connected to the front side of the upper clamping plate, a fixing bolt passes through the top of the fixing ear plate 1 and extends to the bottom of the fixing ear plate 2, the fixing ear plate 2 is fixedly connected to the front side of the lower clamping plate, a fixing nut is threadedly connected to the bottom end of the fixing bolt, and the top of the fixing bolt is fixedly connected to a limiting plate.

[0014] Preferably, the sealing portion includes a fixed block 1 and a fixed block 2 fixedly connected to the front and back sides of the mounting block, a movable groove 1 is provided on the side of the fixed block 1, a moving rod 1 is slidably connected to the inner surface of the movable groove 1, a front sealing shell is fixedly connected to the top of the moving rod 1, a movable groove 2 is provided on the side of the fixed block 2, a moving rod 2 is slidably connected to the inner surface of the movable groove 2, a rear sealing shell is fixedly connected to the top of the moving rod 2, an insert block is fixedly connected to the back side of the front sealing shell, and the insert block is snapped into the slot provided on the front side of the rear sealing shell.

[0015] Preferably, the fixing portion includes an arc-shaped groove formed on the outer wall of the front sealing shell, an arc-shaped block is clamped on the inner surface of the arc-shaped groove, a spring plate is fixedly connected to the side of the arc-shaped block away from the arc-shaped groove, a clamping groove is formed on the inner surface of the arc-shaped block, a clamping block is clamped on the inner surface of the clamping groove, one end of the clamping block away from the clamping groove is fixedly connected to the groove through a spring, and the groove is formed on the inner surface of the arc-shaped groove.

[0016] Preferably, a sealing ring is fixedly connected to the outer wall of the support rod and fits into the grooves opened at the bottom of the front sealing shell and the rear sealing shell to improve the sealing performance.

[0017] Preferably, a transparent observation window is provided on the front side of the front sealing shell for observing instrument panel data.

[0018] Preferably, a rubber pad is fixedly connected to the inner surface of the spring plate to increase the sealing performance between the front sealing shell and the rear sealing shell.

[0019] Compared with the prior art, the utility model provides a sealing device for petrochemical instruments, which has the following beneficial effects:

[0020] The sealing device for petrochemical instruments is respectively penetrated through the first fixing ear plate and the second fixing ear plate by fixing bolts and fixing nuts, and the upper clamping plate and the lower clamping plate are fixed to the outer wall of the pipeline, and the instrument panel is fixed on the upper part.

[0021] The sealing device for petrochemical instruments moves a first moving rod and a second moving rod toward each other, brings a front sealing shell and a rear sealing shell closer together, and uses an insert block to be inserted into a slot for fixing, thereby sealing and protecting an instrument panel, and facilitating data observation through a transparent observation window.

[0022] The sealing device for petrochemical instruments places a spring plate along the sealing parts of the front sealing shell and the rear sealing shell, and at the same time, an arc block is clamped in the arc groove, and a spring connecting the clamp block is squeezed and moved into the groove, and the clamp block is aligned with the clamping groove and reset by utilizing the elasticity of the spring so as to clamp the spring plate in the clamping groove and improve the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the installation part of the utility model;

[0025] Figure 3 This is a schematic diagram of the sealing structure of the utility model;

[0026] Figure 4 It is a schematic diagram of the structure of the fixing part of the utility model.

[0027] In the figure: 1, pipeline; 2, upper clamping plate; 3, lower clamping plate; 4, mounting block; 5, support rod; 6, instrument panel; 7, mounting assembly; 71, mounting part; 711, fixing ear plate 1; 712, fixing bolt; 713, fixing ear plate 2; 714, fixing nut; 715, limit plate; 72, sealing part; 721, fixing block 1; 722, fixing block 2; 723, movable groove 1; 724, movable groove 2; 725, moving rod 1; 726, front sealing block; 727, moving rod 2; 728, rear sealing shell; 729, plug-in block; 720, slot; 73, fixing part; 731, arc groove; 732, arc block; 733, spring plate; 734, slot; 735, block; 736, spring; 737, groove. DETAILED DESCRIPTION

[0028] 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.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0030] The sealing device for petrochemical instruments provided by the utility model is as follows: Figures 1 to 4 As shown: A sealing device for a petrochemical instrument, comprising: a pipeline 1;

[0031] An upper clamping plate 2 disposed on the top of the pipeline 1;

[0032] A lower clamping plate 3 is arranged at the bottom of the pipeline 1;

[0033] A mounting block 4 fixedly connected to the top of the upper clamping plate 2;

[0034] A support rod 5 fixedly connected to the top of the mounting block 4;

[0035] A dashboard 6 fixedly connected to the top of the support rod 5;

[0036] And a mounting assembly 7 arranged above the pipeline 1; the mounting assembly 7 includes a mounting portion 71 fixedly connected to the front side of the upper clamping plate 2, the mounting portion 71 is connected to a sealing portion 72, and the sealing portion 72 is connected to a fixing portion 73.

[0037] The mounting portion 71 includes a fixing ear plate 711 fixedly connected to the front side of the upper clamping plate 2, a fixing bolt 712 penetrates the top of the fixing ear plate 711 and extends to the bottom of the fixing ear plate 713, the fixing ear plate 713 is fixedly connected to the front side of the lower clamping plate 3, a fixing nut 714 is threadedly connected to the bottom end of the fixing bolt 712, and a limiting plate 715 is fixedly connected to the top of the fixing bolt 712.

[0038] In this embodiment, a sealing ring is fixedly connected to the outer wall of the support rod 5 and fits into the grooves opened at the bottom of the front sealing shell 726 and the rear sealing shell 728 to improve the sealing performance. Example 2

[0039] On the basis of Example 1, the sealing device for petrochemical instruments provided by the utility model is as follows: Figures 1 to 4As shown: the sealing portion 72 includes a fixed block 1 721 and a fixed block 2 722 fixedly connected to the front and back sides of the mounting block 4, a movable groove 1 723 is provided on the side of the fixed block 1 721, a moving rod 1 725 is slidably connected to the inner surface of the movable groove 1 723, a front sealing shell 726 is fixedly connected to the top of the moving rod 1 725, a movable groove 2 724 is provided on the side of the fixed block 2 722, a moving rod 2 727 is slidably connected to the inner surface of the movable groove 2 724, a rear sealing shell 728 is fixedly connected to the top of the moving rod 2 727, a plug-in block 729 is fixedly connected to the back side of the front sealing shell 726, and the plug-in block 729 is snap-fitted into the slot 720 provided on the front side of the rear sealing shell 728.

[0040] In this embodiment, a transparent observation window is provided on the front side of the front sealing shell 726 for observing the data on the instrument panel 6 . Example 3

[0041] On the basis of Example 1, the sealing device for petrochemical instruments provided by the utility model is as follows: Figures 1 to 4 As shown: the fixing portion 73 includes an arc groove 731 opened on the outer wall of the front sealing shell 726, the inner surface of the arc groove 731 is clamped with an arc block 732, the side of the arc block 732 away from the arc groove 731 is fixedly connected with a spring plate 733, the inner surface of the arc block 732 is opened with a clamping groove 734, the inner surface of the clamping groove 734 is clamped with a clamping block 735, the end of the clamping block 735 away from the clamping groove 734 is fixedly connected to the groove 737 through a spring 736, and the groove 737 is opened on the inner surface of the arc groove 731.

[0042] In this embodiment, a rubber pad is fixedly connected to the inner surface of the spring plate 733 to increase the sealing performance between the front sealing shell 726 and the rear sealing shell 728 .

[0043] In actual operation, when this device is used, the upper clamp plate 2 and the lower clamp plate 3 are placed on the upper and lower sides of the pipe 1 respectively, the fixing bolts 712 are respectively passed through the fixing ear plate 1 711 and the fixing ear plate 2 713, and are threadedly connected through the fixing nuts 714, the upper clamp plate 2 and the lower clamp plate 3 are fixed to the outer wall of the pipe 1, the instrument panel 6 is fixed on the top, the moving rod 1 725 and the moving rod 2 727 are respectively connected to the front sealing shell 726 and the rear sealing shell 728 in the movable groove 1 723 and the movable groove 2 724, and the plug block 729 is inserted into the slot 720 for fixing, the instrument panel 6 is sealed and protected, and the data is conveniently observed through the transparent observation window.

[0044] The spring plate 733 is placed along the sealing part of the front sealing shell 726 and the rear sealing shell 728, and the arc block 732 is clamped in the arc groove 731. The clamping block 735 connected to the spring 736 is squeezed and moved into the groove 737. After aligning with the clamping groove 734, the elasticity of the spring 736 is used to reset it, so that the clamping block 735 is clamped in the clamping groove 734, and the spring plate 733 is fixed to improve the sealing performance.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A sealing device for petrochemical instruments, comprising: pipeline(1); An upper clamping plate (2) disposed on the top of the pipe (1); A lower clamping plate (3) arranged at the bottom of the pipe (1); A mounting block (4) fixedly connected to the top of the upper clamping plate (2); A support rod (5) fixedly connected to the top of the mounting block (4); A dashboard (6) fixedly connected to the top of the support rod (5); and a mounting assembly (7) arranged above the pipe (1); characterized in that the mounting assembly (7) comprises a mounting portion (71) fixedly connected to the front side of the upper clamping plate (2), the mounting portion (71) being connected to a sealing portion (72), and the sealing portion (72) being connected to a fixing portion (73); The sealing portion (72) comprises a fixing block 1 (721) and a fixing block 2 (722) fixedly connected to the front and back sides of the mounting block (4); a movable groove 1 (723) is provided on the side of the fixing block 1 (721); a moving rod 1 (725) is slidably connected to the inner surface of the movable groove 1 (723); a front sealing shell (726) is fixedly connected to the top of the moving rod 1 (725); a movable groove 2 (724) is provided on the side of the fixing block 2 (722); a moving rod 2 (727) is slidably connected to the inner surface of the movable groove 2 (724); a rear sealing shell (728) is fixedly connected to the top of the moving rod 2 (727); an insert block (729) is fixedly connected to the back side of the front sealing shell (726); and the insert block (729) is snap-fitted into a slot (720) provided on the front side of the rear sealing shell (728).

2. A sealing device for petrochemical instruments according to claim 1, characterized in that: The mounting portion (71) includes a fixing ear plate 1 (711) fixedly connected to the front side of the upper clamping plate (2), a fixing bolt (712) passing through the top of the fixing ear plate 1 (711) and extending to the bottom of the fixing ear plate 2 (713), the fixing ear plate 2 (713) being fixedly connected to the front side of the lower clamping plate (3), a fixing nut (714) being threadedly connected to the bottom end of the fixing bolt (712), and a limiting plate (715) being fixedly connected to the top of the fixing bolt (712).

3. A sealing device for petrochemical instruments according to claim 1, characterized in that: The fixing portion (73) comprises an arc-shaped groove (731) formed on the outer wall of the front sealing shell (726); an arc-shaped block (732) is clamped on the inner surface of the arc-shaped groove (731); a spring plate (733) is fixedly connected to the side of the arc-shaped block (732) away from the arc-shaped groove (731); a clamping groove (734) is formed on the inner surface of the arc-shaped block (732); a clamping block (735) is clamped on the inner surface of the clamping groove (734); an end of the clamping block (735) away from the clamping groove (734) is fixedly connected to a groove (737) via a spring (736); and the groove (737) is formed on the inner surface of the arc-shaped groove (731).

4. A sealing device for petrochemical instruments according to claim 1, characterized in that: The outer wall of the support rod (5) is fixedly connected with a sealing ring, and fits into the grooves opened at the bottom of the front sealing shell (726) and the rear sealing shell (728).

5. The sealing device for petrochemical instruments according to claim 1, characterized in that: The front side of the front sealing shell (726) is provided with a transparent observation window.

6. A sealing device for petrochemical instruments according to claim 3, characterized in that: A rubber pad is fixedly connected to the inner surface of the spring plate (733).

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