Liquid level gauge adjustable mounting structure

Abstract

The utility model relates to a kind of installation structure of adjustable liquid level meter, including adapter, for connecting liquid level meter and liquid level rod and change connection direction;Mounting bracket, including liquid level rod mounting plate and liquid level meter mounting plate;Notch for the stem body of liquid level rod is equipped on liquid level rod mounting plate, and at least one first adjusting hole for being connected with tank body;Liquid level meter mounting plate is connected with fixed hinge;Fixed hinge, including mutually hinged upper hinged part and lower hinged part;Upper hinged part is used to be connected with the shell of the liquid level meter, and at least one second adjusting hole of strip shape is equipped in connecting place;Lower hinged part is fixedly connected with the liquid level meter mounting plate of mounting bracket.The utility model is through the hinged action of waist type hole of mounting bracket and fixed hinge, realized the flexible, reliable adjustment of liquid level meter in horizontal and vertical direction, can adjust liquid level meter meter head to optimal observation position, solved the inconvenient problem of reading caused by fixed installation.

Description

Technical Field

[0001] This utility model relates to the field of liquid level gauge installation technology, and in particular to an adjustable liquid level gauge installation structure. Background Technology

[0002] Level gauges are critical instruments used to monitor the liquid level in containers and are widely used in industries such as chemical, energy, and cryogenic storage. In specific applications such as liquid nitrogen replenishment tanks, accurate monitoring and control of the liquid level are essential, directly affecting the safety and operational efficiency of the system.

[0003] Currently, the installation method for level gauges is generally quite fixed. The common practice is to rigidly connect the level gauge directly to a pre-installed flange or interface on the tank using a bracket. This installation method has the following significant drawbacks: (1) Inconvenient observation: Due to the limitations of the tank's height, installation location (such as high place or corner) or site layout, the display head of the level gauge may be in the operator's blind spot, or it may require looking up or down to read, which brings difficulties to daily inspection and monitoring.

[0004] (2) Poor adaptability: The height and angle of the level gauge interface may differ for tanks of different models and specifications; the fixed bracket cannot be adjusted to adaptability, which may cause the level gauge body or connecting rod to interfere with the tank or other auxiliary structures, or even be blocked, making it impossible to install or read the value.

[0005] (3) Complex installation and debugging: When initially installing or replacing the level gauge, it is necessary to accurately locate the mounting hole of the bracket; if there is a slight deviation in the tank interface or the level gauge itself has a dimensional tolerance, it is necessary to perform tedious on-site drilling or add shims and other adjustments, resulting in low installation efficiency.

[0006] (4) Difficult to maintain: When the level gauge needs to be disassembled for calibration, repair or replacement, the entire rigid connection structure is inconvenient to disassemble, often requiring the use of multiple tools, and after reinstallation, it may be necessary to readjust the alignment, making maintenance time-consuming and labor-intensive.

[0007] To address the issue of observation angle, some general-purpose instrument brackets with universal ball joints or complex multi-joints have appeared on the market. However, these structures often suffer from problems such as high cost, limited load-bearing capacity, easy loosening in vibration environments, and unreliable locking after adjustment. They are not suitable for industrial level gauge installation scenarios where stability and reliability are highly required.

[0008] Therefore, there is an urgent need for an adjustable mounting structure that is simple in structure, easy to adjust, reliable in locking, and specifically designed for liquid level gauges, in order to overcome the shortcomings of the existing technologies. Utility Model Content

[0009] The purpose of this invention is to overcome the above-mentioned shortcomings and provide an adjustable installation structure for a level gauge. This structure, through a combination of a mounting bracket and a fixing hinge, enables flexible and reliable adjustment and fixation of the level gauge in both horizontal and vertical directions, ensuring that the level gauge is always in the optimal observation position and facilitating installation and maintenance. It is particularly suitable for adjustable installation structures used in level gauges for cryogenic media storage tanks such as liquid nitrogen.

[0010] The purpose of this utility model is achieved as follows: An adjustable mounting structure for a level gauge includes: An adapter is used to connect the level gauge and the level rod, and to change the connection direction; A mounting bracket is used to fix the mounting structure to the tank to be tested. It includes a liquid level rod mounting plate and a liquid level gauge mounting plate. The liquid level rod mounting plate is provided with a notch for the rod of the liquid level rod to pass through, and at least one elongated first adjustment hole for connecting to the tank. The liquid level gauge mounting plate is connected to a fixed hinge. The fixed hinge includes an upper hinge and a lower hinge that are hinged to each other; the upper hinge is used to connect with the housing of the level gauge, and at least one elongated second adjustment hole is provided at the connection point; the lower hinge is fixedly connected to the level gauge mounting plate of the mounting bracket.

[0011] An adjustable mounting structure for a liquid level gauge is provided, wherein the liquid level rod mounting plate of the mounting bracket is integrally formed with the liquid level gauge mounting plate, and a stepped connection part is formed by bending.

[0012] An adjustable mounting structure for a level gauge is provided, wherein the notch on the level gauge rod mounting plate is a semi-circular notch, and the first adjustment hole is an oblong hole symmetrically arranged on both sides of the notch.

[0013] An adjustable mounting structure for a level gauge includes an upper hinge member comprising a mounting panel and a pair of upper connecting lugs, the pair of upper connecting lugs having coaxial pin holes, and a second adjustment hole located on the mounting panel; the lower hinge member comprises a mounting base plate and a pair of lower connecting lugs, the pair of lower connecting lugs having coaxial pin holes.

[0014] An adjustable mounting structure for a liquid level gauge is provided, wherein, in addition to the second adjustment hole, the mounting panel of the upper hinge member is provided with at least one circular through hole for fixing the liquid level gauge.

[0015] An adjustable mounting structure for a level gauge, wherein the adapter is a 90° elbow and includes a level gauge end connecting rod and a level rod end connecting rod that are perpendicular to each other.

[0016] An adjustable mounting structure for a level gauge, wherein the second adjustment hole is a waist-shaped hole located on the right side of the mounting panel.

[0017] An adjustable mounting structure for a level gauge, wherein the upper connecting lug and the lower connecting lug are hinged together by a connecting pin.

[0018] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an adjustable mounting structure for a level gauge, including an adapter, a mounting bracket, and a fixing hinge. The adapter connects the level gauge and the level rod. The mounting bracket connects to the tank body through an oblong hole on its level rod mounting plate to achieve horizontal position adjustment. The level gauge mounting plate is connected to the fixing hinge. The fixing hinge consists of upper and lower hinge members hinged together by a pin. The upper hinge member connects to the bottom of the level gauge through the oblong hole, and the lower hinge member is fixed to the mounting bracket. It has the following specific advantages: (1) Multi-directional adjustment and convenient observation: The horizontal direction can be adjusted through the waist-shaped hole of the mounting bracket, and the vertical pitch angle can be infinitely adjusted through the fixed hinge; the liquid level gauge head can be flexibly adjusted to the position and angle most convenient for the operator to observe, and the problem of reading difficulties caused by improper tank installation position can be completely solved.

[0019] (2) Strong adaptability and easy installation: The waist-shaped hole design on the mounting bracket can accommodate a small deviation in the mounting hole position of the tank, reducing the accuracy requirements for installation alignment; the angle adjustment capability of the fixed hinge can adapt to tank interfaces with different inclination angles or special spatial layouts, making it highly versatile.

[0020] (3) Modular design, efficient maintenance: The mounting bracket and the fixed hinge are both independent modules; when it is necessary to replace or repair the level gauge, usually it is only necessary to loosen the connecting pin of the fixed hinge or the connecting screw between the level gauge and the upper hinge to remove the level gauge as a whole, while the mounting bracket and the adapter can be left on the tank; greatly simplifying the maintenance process and shortening the downtime.

[0021] (4) Stable structure and reliable locking: Compared with the universal ball joint structure, the hinge-type adjustment structure adopted in this utility model can obtain higher connection rigidity and vibration resistance after adjustment by locking the pin or screw, ensuring that the liquid level gauge does not shift in angle during long-term operation and the reading is stable and reliable.

[0022] (5) Low cost and easy to promote: The main structural components can be made of metal plate stamping, bending and standard parts. The process is simple, the manufacturing cost is low, and it is easy to promote and apply in various liquid level measurement scenarios. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model.

[0024] Figure 2 for Figure 1 A magnified view of part A.

[0025] Figure 3 This is a front view of Embodiment 1 of the present invention.

[0026] Figure 4 This is a top view of Embodiment 1 of the present invention.

[0027] Figure 5 This is a schematic diagram of the fixed hinge structure of Embodiment 1 of this utility model.

[0028] Figure 6 This is a schematic diagram of the mounting bracket of Embodiment 1 of this utility model.

[0029] Figure 7 This is a schematic diagram of the mounting bracket of Embodiment 2 of this utility model.

[0030] Figure 8 This is a schematic diagram illustrating the application of this utility model.

[0031] in: 1. Level gauge; 2. Level rod; 3. Adapter; 31. Level gauge end connecting rod; 32. Level rod end connecting rod; 33. Steering connecting sleeve; 4. Mounting bracket; 41. Level rod mounting plate; 411. Semi-circular notch; 412. Waist-shaped hole; 42. Level gauge mounting plate; 421. Connecting hole; 43. Stepped connecting part; 5. Fixed hinge; 51. Upper hinge; 511. Mounting panel; 512. Upper connecting ear plate; 513. Adjustable connecting hole; 52. Lower hinge; 521. Mounting base plate; 522. Lower connecting ear plate; 53. Connecting pin; 6. Tank to be tested; 7. Connecting screw. Detailed Implementation

[0032] To better understand the technical solution of this utility model, a detailed description will be provided below in conjunction with relevant illustrations. It should be understood that the specific embodiments described below are not intended to limit the specific implementation of the technical solution of this utility model, but are merely possible implementations of the technical solution of this utility model. It should be noted that the descriptions of the positional relationships of the components herein, such as component A being located above component B, are based on the relative positions of the components in the illustrations and are not intended to limit the actual positional relationships of the components. Example 1

[0033] See Figures 1-8 , Figure 1 A schematic diagram of an adjustable mounting structure for a liquid level gauge is shown. As illustrated in the figure, this embodiment 1's adjustable mounting structure for a liquid level gauge includes a liquid level gauge 1, a liquid level rod 2, an adapter 3, a mounting bracket 4, and a fixing hinge 5. Adapter 3: Its main function is to change the connection direction; In this embodiment, the adapter 3 is a 90° elbow, including a level gauge end connecting rod 31 and a level rod end connecting rod 32. The two are fixedly connected at a 90° angle through a steering connecting sleeve 33, such as by welding or threaded connection. The other end of the level gauge end connecting rod 31 is connected to the level gauge 1 via a connecting pipe; the other end of the level rod end connecting rod 32 is connected to one end of the level rod 2, and the other end of the level rod 2 extends into the tank 6 to be measured. This adapter allows the display head of the level gauge 1 to be changed from a direction perpendicular to the tank to a direction that facilitates horizontal observation.

[0034] Mounting bracket 4: In this embodiment, the main body is formed by bending a metal plate, including a liquid level rod mounting plate 41 and a liquid level gauge mounting plate 42 arranged at the top and bottom, and the two are connected by a stepped connecting part 43 to form a Z-shaped or L-shaped structure.

[0035] The side of the liquid level rod mounting plate 41 is provided with a semi-circular notch 411, the opening direction of which is towards the liquid level rod 2, for the liquid level rod 2 to pass through, ensuring that there is no interference with the liquid level rod 2, and is located below the bottom surface of the liquid level rod end connecting rod 32. On both sides of the semi-circular notch 411, two elongated oblong holes 412 are symmetrically machined on the liquid level rod mounting plate 41. During installation, bolts are used to pass through these two oblong holes 412 and the pre-set mounting holes on the tank to be tested 6 to initially fix the mounting bracket 4. The design of the oblong holes 412 allows the mounting bracket 4 to have a certain adjustment margin in the horizontal direction to compensate for installation errors.

[0036] The level gauge mounting plate 42 is located below the level gauge 1, and its end is machined with four connecting holes 421, which are used to connect and fix the hinge 5 by connecting screws.

[0037] Fixed hinge 5: It is the core component for adjusting the pitch angle of the level gauge 1, including upper hinge 51, lower hinge 52 and connecting pin 53. The upper hinge 51 and the lower hinge 52 are engaged and hinged together. Upper hinge 51: includes a mounting panel 511, with upper connecting ear plates 512 vertically connected to the left sides of the mounting panel 511 respectively. The upper connecting ear plates 512 have coaxial through holes for inserting connecting pins 53. The right side of the mounting panel 511 has an elongated adjustable connecting hole 513, which is an oblong hole, and there are also circular through holes on its front, back and right sides. During installation, the adjustable connection hole 513 allows the level gauge 1 to be finely adjusted in the front-to-back direction relative to the upper hinge 51. After fine-tuning to the determined position, the upper hinge 51 is fixed to the bottom surface of the housing of the level gauge 1 by passing a screw through the through hole.

[0038] The lower hinge 52 includes a mounting base plate 521, with lower connecting lugs 522 vertically connected to the left and right sides of the mounting base plate 521 respectively. The lower connecting lugs 522 have coaxial through holes for inserting connecting pins 53. The mounting base plate 521 has screw holes. During installation, connecting screws 7 are passed through the screw holes of the mounting base plate 521 and the connecting holes 421 on the level gauge mounting plate 42 of the mounting bracket 4 to fix the lower hinge 52.

[0039] Assembly: Insert the two upper connecting lugs 512 of the upper hinge 51 between the two lower connecting lugs 522 of the lower hinge 52, align the through holes, and insert the connecting pin 53 to complete the hinge connection. At this time, the level gauge 1 is suspended on the lower hinge 52 via the upper hinge 51 and can rotate freely around the axis of the connecting pin 53. After adjusting the display head of the level gauge 1 to the most comfortable viewing angle for the operator, the angle can be fixed by tightening the locking nut on the connecting pin 53 (or using a pin with a locking function). Example 2

[0040] See Figures 1-4 , Figure 1 A schematic diagram of the mounting bracket in Embodiment 2 is shown. As shown in the figure, the adjustable mounting structure of the level gauge in Embodiment 2 differs from that in Embodiment 1 in that: The liquid level rod mounting plate 41 and the liquid level gauge mounting plate 42 of the mounting bracket 4 are integrally connected and located on the same axis.

[0041] Working principle: This utility model provides an adjustable installation structure for a liquid level gauge, and its installation and adjustment process is as follows: 1. First, connect the adapter to the level rod and level gauge; 2. Secure the semi-circular notch of the mounting bracket to the outside of the connecting rod at the liquid level rod end for initial positioning; 3. Secure the mounting bracket to the tank body with bolts through the slotted holes. At this point, the bracket can be moved left and right for rough adjustment. 4. Secure the lower hinge of the fixed hinge to the level gauge mounting plate of the mounting bracket with screws; 5. Hinge the upper and lower hinges at the bottom of the level gauge using the connecting pins, but do not lock them yet; 6. Horizontal fine adjustment: The connecting bolts between the mounting bracket and the tank can be slightly loosened, and the final position calibration can be performed through the oblong hole; Alternatively, the connecting screws between the upper hinge and the level gauge can be loosened, and the position of the level gauge can be adjusted back and forth through the adjustable connection hole. 7. Angle adjustment: Rotate the level gauge to the optimal observation angle, and then tighten the connecting pin; 8. Finally, tighten all bolts and screws to complete the installation.

[0042] Through the above-described structure, this invention enables flexible and reliable adjustment of the installation position and angle of the level gauge, significantly improving ease of use and maintenance efficiency.

[0043] This utility model discloses an adjustable mounting structure for a liquid level gauge, including an adapter, a mounting bracket, and a fixing hinge; The adapter is used to connect the level gauge body and the level rod, and it includes a level gauge end connecting rod and a level rod end connecting rod that are perpendicularly connected to each other.

[0044] The mounting bracket is used to fix the entire mounting structure to the tank to be tested. It includes a level rod mounting plate and a level gauge mounting plate. The level rod mounting plate has a semi-circular notch for the level rod to pass through, and an oblong hole for connecting to the tank. The oblong hole allows for fine adjustment of the horizontal position of the mounting bracket. The level gauge mounting plate is connected to a fixed hinge.

[0045] The fixed hinge includes an upper hinge and a lower hinge, which are hinged together by a connecting pin. The upper hinge is connected to the bottom surface of the level gauge body, and a slotted hole is provided at the connection point to allow for fine adjustment of the level gauge's position relative to the upper hinge. The lower hinge is fixedly connected to the level gauge mounting plate of the mounting bracket. By rotating the upper hinge and the level gauge connected to it around the connecting pin, the angle of the level gauge in the vertical plane can be steplessly adjusted. After adjustment, locking the connecting pin will fix the angle.

[0046] This invention achieves flexible and reliable adjustment of the level gauge in both horizontal and vertical directions through the hinged action of the mounting bracket's oblong hole and the fixed hinge. It allows the level gauge head to be adjusted to the optimal observation position, solving the problem of inconvenient readings caused by fixed installation. Furthermore, its modular design facilitates quick disassembly and maintenance of the level gauge, and its robust structure, low cost, and wide applicability make it suitable for various applications.

[0047] The above are merely specific application examples of this utility model and do not constitute any limitation on the scope of protection of this utility model. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of this utility model.

Claims

1. An adjustable mounting structure for a liquid level gauge, characterized in that, include: The adapter (3) is used to connect the level gauge (1) and the level rod (2) and change the connection direction; Mounting bracket (4) is used to fix the mounting structure to the tank (6) to be tested. It includes a level rod mounting plate (41) and a level gauge mounting plate (42). The level rod mounting plate (41) is provided with a notch for the rod of the level rod (2) to pass through, and at least one elongated first adjustment hole for connecting with the tank (6). The level gauge mounting plate (42) is connected to a fixed hinge (5). The fixed hinge (5) includes an upper hinge (51) and a lower hinge (52) that are hinged to each other; the upper hinge (51) is used to connect with the housing of the level gauge (1), and at least one elongated second adjustment hole is provided at the connection point; the lower hinge (52) is fixedly connected to the level gauge mounting plate (42) of the mounting bracket (4).

2. The adjustable mounting structure for a liquid level gauge according to claim 1, characterized in that: The liquid level rod mounting plate (41) of the mounting bracket (4) is integrally formed with the liquid level gauge mounting plate (42), and a stepped connecting part (43) is formed by bending.

3. The adjustable mounting structure for a level gauge according to claim 1 or 2, characterized in that: The notch on the liquid level rod mounting plate (41) is a semi-circular notch, and the first adjustment hole is a waist-shaped hole symmetrically arranged on both sides of the notch.

4. The adjustable mounting structure for a liquid level gauge according to claim 1, characterized in that: The upper hinge (51) includes a mounting panel (511) and a pair of upper connecting ear plates (512), the pair of upper connecting ear plates (512) having coaxial pin holes, and the second adjustment hole being provided on the mounting panel (511); the lower hinge (52) includes a mounting base plate (521) and a pair of lower connecting ear plates (522), the pair of lower connecting ear plates (522) having coaxial pin holes.

5. The adjustable mounting structure for a liquid level gauge according to claim 4, characterized in that: In addition to the second adjustment hole, the mounting panel (511) of the upper hinge (51) is provided with at least one circular through hole for fixing to the level gauge (1).

6. The adjustable mounting structure for a liquid level gauge according to claim 1, characterized in that: The adapter (3) is a 90° elbow, including a level gauge end connecting rod (31) and a level rod end connecting rod (32) that are perpendicular to each other.

7. The adjustable mounting structure for a liquid level gauge according to claim 1, characterized in that: The second adjustment hole is a waist-shaped hole located on the right side of the mounting panel (511).

8. The adjustable mounting structure for a level gauge according to claim 4, characterized in that: The upper connecting ear plate (512) and the lower connecting ear plate (522) are hinged together by a connecting pin (53).

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