Waterproof differential pressure static force level gauge convenient for discharging bubbles

Abstract

The utility model discloses a waterproof differential pressure static force level gauge convenient to exhaust bubbles, which comprises a fixed seat and a sealing gland arranged on the fixed seat, a first cavity is defined in the fixed seat, and a pressure core body is arranged at the matching position of the fixed seat and a first through hole; second through holes are formed in the two sides of the fixing base and matched with sealing joints, and the sealing joints and the second through holes are sealed through sealing gaskets. The sealing gland is matched with the fixed seat and defines a liquid storage cavity, two third through holes which are oppositely arranged are formed in the side wall of the sealing gland, the two third through holes are provided with a water inlet connector and a water outlet connector respectively, and an outlet of the water outlet connector is higher than an inlet of the water inlet connector. Therefore, the sealing gasket improves the sealing effect of the level gauge, simplifies the installation process, and prevents water from entering. An outlet of the water outlet connector is higher than an inlet of the water inlet connector, liquid filling and air exhausting are achieved, and the detection effect of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of settlement measurement technology, especially to a waterproof pressure differential static leveling instrument convenient for bubble discharge. BACKGROUND

[0002] In the scenes of track traffic subgrade settlement monitoring, subway support wall settlement monitoring, tunnel upper mountain and building settlement monitoring, highway subgrade and slope settlement monitoring, bridge pier and foundation pit settlement monitoring, nuclear power station and large hydropower station settlement monitoring, dam and water conservancy hub and high-rise building foundation settlement monitoring, etc., a pressure differential static leveling instrument needs to be used for measurement.

[0003] The waterproof effect of the traditional pressure differential static leveling instrument is poor, and it is difficult to discharge air bubbles during liquid filling, which affects the measurement result. SUMMARY

[0004] The utility model discloses a waterproof pressure differential static leveling instrument convenient for bubble discharge, which has good waterproof effect and can smoothly fill liquid and discharge air to ensure the measurement result.

[0005] The utility model discloses a waterproof pressure differential static leveling instrument convenient for bubble discharge, which has good waterproof effect and can smoothly fill liquid and discharge air to ensure the measurement result.

[0006] A waterproof pressure differential static leveling instrument convenient for bubble discharge, comprising: a fixed seat and a sealing gland provided on the fixed seat, a first cavity is defined in the fixed seat, and a first through hole is formed in the top of the fixed seat, the sealing gland is provided on the first through hole, and a pressure core body is arranged at the position matched with the first through hole; second through holes are arranged on the two sides of the fixed seat, sealing joints are matched with the second through holes, and the sealing joints and the second through holes are sealed by sealing pads; the sealing gland is matched to the fixed seat and defines a liquid storage cavity, third through holes are formed in the side wall of the sealing gland, water inlet joints and water outlet joints are arranged in the two third through holes respectively, and the outlet of the water outlet joint is higher than the inlet of the water inlet joint.

[0007] The sealing pads improve the sealing effect of the leveling instrument and simplify the installation process, preventing water inflow caused by soil pressure, underground water seepage or external moisture intrusion during embedding. The outlet of the water outlet joint is higher than the inlet of the water inlet joint, so that when liquid is filled into the liquid storage cavity, the higher water outlet serves as an air discharge channel, allowing air to be smoothly discharged, and liquid naturally remains in the liquid storage cavity due to gravity, facilitating liquid filling and air discharge. Through the above two aspects, the detection effect of the device is effectively improved. Moreover, the split structure of the fixed seat and the sealing gland makes processing convenient, saves manufacturing materials and reduces costs.

[0008] Preferably, a connecting piece is arranged between the sealing gland and the fixed seat, which is embedded in the sealing gland or the fixed seat, or embedded in both the sealing gland and the fixed seat.

[0009] Specifically, the sealing gasket is configured as an O-shaped gasket.

[0010] Preferably, the top region of the liquid storage cavity is configured as a spherical shape.

[0011] Preferably, the joint end of the water outlet joint is connected to the sealing gland, and the joint end of the water outlet joint is higher than the top of the liquid storage cavity or flush with the top of the liquid storage cavity.

[0012] Specifically, the third through hole is tangent to the spherical shape of the top of the liquid storage cavity.

[0013] Preferably, the outlet position of the water outlet joint is higher than the joint end of the water outlet joint.

[0014] Preferably, the water outlet joint is arranged obliquely. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic diagram of a waterproof differential static hydrostatic level convenient for exhausting air bubbles according to an embodiment of the present application;

[0016] Figure 2 Another angle schematic diagram of a waterproof differential static hydrostatic level convenient for exhausting air bubbles according to an embodiment of the present application;

[0017] Figure 3 Another angle schematic diagram of a waterproof differential static hydrostatic level convenient for exhausting air bubbles according to an embodiment of the present application;

[0018] In the drawings:

[0019] 100-fixed seat;

[0020] 110-base shell, 111-first through hole, 112-second through hole;

[0021] 120-sealing bottom plate;

[0022] 200-sealing gland, 210-third through hole, 220-pressure core;

[0023] 300-sealing gasket;

[0024] 400-connecting piece;

[0025] 500-sealing joint, 510-joint end, 520-body, 530-outlet;

[0026] 600 - water inlet connection, 610 - inlet;

[0027] 700 - water outlet connection;

[0028] a - first chamber, b - liquid storage chamber. DETAILED DESCRIPTION

[0029] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0030] Referring to Figures 1-3 , the utility model provides a technical scheme:

[0031] According to the waterproof differential static water level instrument convenient for exhausting air bubbles, referring to Figures 1-3 understand, including: fixed seat 100 and the sealing gland 200 that sets up on fixed seat 100.

[0032] Referring to Figure 1 , fixed seat 100 includes the sealing bottom plate 120 at the bottom and the base shell 110 that cooperates with sealing bottom plate 120 and defines the first chamber, referring to Figure 2 , the base shell 110 is structured as a square shell with rounded corners, suitable for accommodating and protecting the internal core components of the level instrument, such as measurement sensors, circuit boards, etc., thereby providing a stable working environment for the internal parts of the level instrument.

[0033] In some examples, the sealing bottom plate 120 and the base shell 110 are sealed by a sealing gasket 300.

[0034] The fixed seat 100 has a first through hole 111 at the top, and the sealing gland 200 is arranged on the first through hole 111. Specifically, the sealing gland 200 is a hollow cylindrical structure, and one end of the cylinder is structured as an open mouth. The open mouth of the sealing gland 200 cooperates with the first through hole 111. In Figure 1 , the sealing gland 200 and the fixed seat 100 are also provided with a connecting piece 400, which is structured as a disc and connected to the sealing gland 200 and the fixed seat 100 by bolts on both sides.

[0035] In some examples, the connecting piece 400 is embedded in the sealing gland 200 or the fixed seat 100, or embedded in both the sealing gland 200 and the fixed seat 100; for example Figure 1As shown in the fixed seat 100, the first opening edge is provided with an embedded groove, and the connecting piece 400 is embedded in the embedded groove. In this way, the embedded structure can ensure the close fit between the connecting piece 400 and the fixed seat 100 and the sealing gland 200, reducing the risk of leakage due to gaps between components; and the embedded structure increases the contact area of the sealing interface, further improving the waterproof performance of the level gauge.

[0036] The fixed seat 100 is provided with a second through hole 112 on both sides, as shown in Figure 1 and Figure 3 As shown in the fixed seat 100, the first opening edge is provided with an embedded groove, and the connecting piece 400 is embedded in the embedded groove. In this way, the embedded structure can ensure the close fit between the connecting piece 400 and the fixed seat 100 and the sealing gland 200, reducing the risk of leakage due to gaps between components; and the embedded structure increases the contact area of the sealing interface, further improving the waterproof performance of the level gauge.

[0037] The cover of the sealing gland 200 is matched with the first through hole 111, and the sealing gland 200 is matched to the fixed seat 100 to define a liquid storage cavity. The sealing gland 200 is provided with two oppositely arranged third through holes 210 on the side wall, and the water inlet connector 600 and the water outlet connector 700 are arranged in the two third through holes 210 respectively. The outlet 710 of the water outlet connector 700 is higher than the inlet 610 of the water inlet connector 600. In addition, the sealing gasket 300 is arranged between the water inlet connector 600, the water outlet connector 700 and the third through hole 210. In this way, the sealing gasket 300 can ensure the sealing effect.

[0038] Specifically, the sealing gland 200 is provided with a pressure core 220 at the matching position of the first through hole 111. The pressure core 220 is made of corrosion-resistant alloy material and is embedded in the axial channel of the sealing gland 200 and the first through hole 111. The pressure core 220 realizes detection through differential pressure sensing function and dynamic compensation mechanism, and the specific detection method is not described here.

[0039] Therefore, the sealing gasket 300 ensures the effective isolation of the internal structure of the level gauge from the external environment, thereby avoiding the water inflow problem caused by soil pressure, groundwater infiltration or rainwater intrusion and other factors after embedding. In some examples, the material of the sealing gasket 300 is selected from materials with good elasticity, wear resistance, aging resistance and high sealing performance, such as rubber or special synthetic materials. These materials can adapt to expansion and contraction under different environmental conditions, and always maintain a tight sealing state.

[0040] In addition, the outlet 710 of the water outlet connector 700 is higher than the inlet 610 of the water inlet connector 600, which helps to smoothly realize the exhaust bubble during the liquid filling process. Specifically, when filling the liquid into the liquid storage cavity of the level gauge, air can be naturally discharged through the higher water outlet, while the liquid remains in the liquid storage cavity due to the action of gravity, ensuring the accuracy and stability of the measurement system.

[0041] It is worth mentioning that, compared with the conventional sealing joint 500 and the fixed seat 100, the sealing joint 500 needs to be sealed by glue when it is docked, which affects the sealing effect of the operator and may cause poor sealing. The steps are complex. In the embodiment, the sealing gasket 300 is arranged between the sealing joint 500 and the fixed seat 100, and between the water inlet joint 600 and the water outlet joint 700 and the sealing gland 200. Therefore, the operator only needs to fix the sealing joint 500 or the water inlet joint 600 and the water outlet joint 700, and then realize the waterproof sealing effect through the sealing gasket 300.

[0042] Furthermore, the waterproof differential static water level gauge for facilitating air bubble discharge comprises a fixed seat 100 and a sealing cover 200, so that they can be machined respectively and then assembled to form a whole, and then the sealing joint 500, the water inlet joint 600 and the water outlet joint 700 are matched with the corresponding through holes respectively and sealed through the sealing gasket 300. Therefore, compared with the conventional water level gauge which needs to adopt an integral structure, the overall structure of the waterproof differential static water level gauge for facilitating air bubble discharge in the embodiment adopts a split type, so that the machining is convenient, and the manufacturing material is saved and the cost is reduced.

[0043] It can be understood that, in the first aspect, the sealing gasket 300 improves the sealing effect of the water level gauge and simplifies the installation process, preventing water from entering due to soil pressure, groundwater penetration or external moisture intrusion during the embedding process. In the second aspect, the outlet 710 of the water outlet joint 700 is higher than the inlet 610 of the water inlet joint 600, so that when the liquid is poured into the liquid storage cavity, the higher water outlet serves as an air exhaust channel, so that the air can be smoothly discharged, and the liquid naturally remains in the liquid storage cavity due to the action of gravity, so as to realize liquid pouring and air exhaust. Through the above two aspects, the detection effect of the device is effectively improved.

[0044] In some embodiments, the sealing gasket 300 is configured as an O-ring, which matches the joint structure of the sealing joint 500, the water inlet joint 600 and the water outlet joint 700. Through testing, the waterproof effect of the O-ring is at least 1.0 MPa.

[0045] Continuing to refer to Figure 1As shown, the joint end 510 of the sealing joint 500 has a smaller diameter than the body 520, so that the joint end 510 is inserted into the first through hole 111 and the stepped surface formed by the excess area of the body 520 abuts against the opening of the first through hole 111 to compress the O-ring. In this way, the O-ring is compressed between the joint end 510 and the opening of the first through hole 111, and the high elasticity and good sealing performance of the material of the O-ring can be fully utilized. In the compressed state, the O-ring can tightly adhere to the inner wall of the joint end 510 and the first through hole 111, preventing the intrusion of moisture, soil or other external impurities. Moreover, since the O-ring is uniformly and firmly compressed, it can also adapt to a certain extent to changes in external pressure, such as fluctuations in soil pressure or groundwater level, without deforming or shifting.

[0046] The cooperating structure of the water inlet joint 600 and the water outlet joint 700 is similar to that of the sealing joint 500, and will not be described here.

[0047] In some embodiments, the top region of the liquid storage cavity is configured as a spherical shape, so that when liquid is poured into the liquid storage cavity, air or other gas will be naturally squeezed and moved upward by the liquid. Due to the smooth and continuous curved surface of the spherical top region, the gas can naturally form a concentrated bubble at the spherical top; therefore, during the liquid pouring process, the gas will naturally accumulate in the center of the spherical top, forming a condition conducive to gas discharge. When the gas accumulates in the center of the spherical top, it can be smoothly discharged through the water outlet joint 700 or other gas discharge devices. Thus, during the liquid pouring process, as the liquid is continuously injected, the gas will be gradually squeezed and discharged through the water outlet joint 700.

[0048] Correspondingly, the joint end 510 of the water outlet joint 700 is connected to the sealing gland 200, which is higher than the top of the liquid storage cavity, or at least flush with the top of the liquid storage cavity, so that the situation that the gas accumulated at the top of the liquid storage cavity cannot be discharged from the drainage passage can be avoided. Figure 1 In the structure shown, the third through hole 210 is tangent to the spherical top, so that the gas accumulated at the top can be smoothly discharged.

[0049] In some preferred embodiments, the outlet 710 of the water outlet joint 700 is positioned higher than the joint end 510, and the water outlet joint 700 is formed in an inclined arrangement to facilitate gas discharge.

[0050] The above merely describes preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A waterproof differential static water level gauge which facilitates the discharge of air bubbles, characterized in that, The utility model relates to a sealing structure of a water tank, which comprises: a fixed seat and a sealing gland arranged on the fixed seat, the fixed seat is internally defined with a first cavity, and a first through hole is formed on the top of the fixed seat, the sealing gland is arranged on the first through hole and is provided with a pressure core body at the position matched with the first through hole; second through holes are arranged on the two sides of the fixed seat, sealing joints are matched with the second through holes, and the sealing joints and the second through holes are sealed through sealing gaskets; the sealing gland is matched with the fixed seat and defines a liquid storage cavity, two oppositely arranged third through holes are formed on the side wall of the sealing gland, water inlet joints and water outlet joints are respectively arranged on the two third through holes, and the outlet of the water outlet joint is higher than the inlet of the water inlet joint.

2. The waterproof differential static hydrostatic level that facilitates exhaust bubble according to claim 1, its characterized in that, a connecting piece is further arranged between the sealing gland and the fixed seat, and the connecting piece is embedded in the sealing gland or the fixed seat or is embedded in both the sealing gland and the fixed seat.

3. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 1, characterized in that, The sealing gasket is configured as an O-shaped gasket.

4. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 1, characterized in that, The top region of the liquid storage cavity is configured as a spherical shape.

5. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 1, characterized in that: The joint end of the water outlet joint is connected to the sealing gland, and the joint end of the water outlet joint is higher than or flush with the top of the liquid storage cavity.

6. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 5, characterized in that: The third through hole is tangent to the spherical top of the liquid storage cavity.

7. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 1 or 5, characterized in that: The outlet position of the water outlet joint is higher than the joint end of the water outlet joint.

8. The waterproof differential static water level gauge facilitating air bubble discharge according to claim 7, characterized in that: The water outlet joint is arranged in an inclined manner.

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