Vibrating wire type osmometer

Abstract

The utility model provides a vibrating wire type osmometer, which relates to the field of pressure detection and comprises a cable, a cable sealing element and a shell, a detection element connected with the cable is arranged on the inner side of the shell, a water filter connected with the shell is arranged at the bottom end of the detection element, a sealing gasket in contact with the shell is sleeved on the outer side of the detection element, and the water filter is connected with the shell. A sealing gasket is arranged on the inner side of the shell through the connecting shell, a rubber body is arranged above the water filter and located between the shell and the detecting piece, the detecting piece comprises a detecting body connected with a cable and a connecting shell arranged at the bottom end of the detecting body, the connecting shell drives the sealing gasket to be installed on the inner side of the shell, the sealing function is achieved at the same time, the rubber body is extruded through a plug, and therefore the sealing gasket is prevented from being damaged. The rubber body is fully distributed on the inner side of the containing cavity formed by connecting the connecting shell, the shell and the plug, so that the plug and the rubber body further seal the detection piece and the shell at the same time, the vibrating wire osmometer has multiple seals, and the sealing effect of the vibrating wire osmometer is good.

Description

Technical Field

[0001] The utility model relates to the field of pressure detection, in particular to a vibrating-wire osmometer. Background Art

[0002] With the development and progress of science and technology, the requirements in various fields are getting higher and higher. In civil engineering, in order to ensure the internal seepage pressure of rock and soil, a specific monitor is needed, and the vibrating-wire piezometer can achieve the measurement well; the vibrating-wire piezometer is composed of a permeable component, an induction membrane, an observation cable, a vibrating wire and an exciting electromagnetic coil; the vibrating-wire piezometer can be buried in hydraulic structures or other concrete structures and soil for a long time to measure the seepage (pore) water pressure inside the structure or soil, and can simultaneously measure the temperature of the buried point.

[0003] When performing seepage pressure detection, a vibrating-string piezometer is used in which the detection component is installed inside a shell using sealant to detect the water seepage pressure inside the rock and soil. This is one way of detecting seepage pressure. However, the vibrating-string piezometer needs to be placed in a high-humidity environment for a long time, and the sealant is easily corroded and loosened in a high-humidity environment for a long time, resulting in an unsatisfactory sealing effect of the internal structure, affecting the detection effect and a short service life. In this case, there is a piezometer in which the detection component is welded and fixed in the shell. However, welding and fixing the detection component in the shell will make subsequent inspection and maintenance inconvenient, and it can only be remade after damage or failure. Utility Model Content

[0004] The purpose of the utility model is to solve the following problems existing in the prior art: the sealant of the piezometer is easily corroded and loosened when it is in a high-humidity environment for a long time, resulting in unsatisfactory sealing effect of the internal structure, affecting the detection effect, short service life and inconvenient subsequent inspection and maintenance of the welding seal.

[0005] In order to solve the problems existing in the prior art, the utility model provides a vibrating-string osmometer, including a cable, a cable seal, and a shell. A detection piece connected to the cable is provided on the inner side of the shell, a water filter connected to the shell is provided at the bottom end of the detection piece, a sealing gasket in contact with the shell is sleeved on the outer side of the detection piece, a colloid is provided above the water filter and between the shell and the detection piece, and the detection piece includes a detection body connected to the cable and a connecting shell arranged at the bottom end of the detection body.

[0006] Preferably, a convex ring is provided on the outer side of the connecting shell, a connecting ring is provided on the inner side of the shell, and the sealing gasket is sleeved on the outer side of the connecting shell and connected to the connecting ring of the shell and the convex ring of the connecting shell.

[0007] Preferably, the outer side of the connecting shell is provided with a thread, the inner side of the connecting ring of the shell is provided with a thread groove, the connecting shell is inserted into the middle of the connecting ring of the shell, and the thread of the connecting shell is located inside the thread groove of the shell.

[0008] Preferably, the water filter comprises a plug inserted into the inner side of the bottom end of the shell body and the inner side of the bottom end of the connecting shell, and a filter block arranged above the middle of the plug and located on the inner side of the bottom end of the connecting shell.

[0009] Preferably, a through hole is provided in the middle of the bottom end of the connection shell, and a hexagonal groove connected to the through hole is provided at the bottom end of the connection shell, and the size of the groove is larger than the size of the through hole.

[0010] Preferably, the cross-section of the plug is F-shaped, the outer side of the top end of the plug is provided with a thread, the inner bottom end of the shell is provided with a thread groove, the outer side of the top end of the plug is inserted into the inner side of the shell, and the thread of the plug is located on the inner side of the thread groove at the bottom end of the shell.

[0011] Preferably, a cavity is connected between the connection shell, the plug and the shell, the colloid is located inside the cavity between the connection shell, the shell and the plug, and the colloid is spread all over the inside of the cavity.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model drives the sealing gasket to be installed on the inner side of the shell through the connecting shell and has a sealing function at the same time, and squeezes the colloid through the plug so that the colloid covers the inner side of the cavity connected between the connecting shell, the shell and the plug, so that the plug and the colloid further seal the detection part and the shell at the same time, so that the vibrating string osmometer has multiple seals and the sealing effect of the vibrating string osmometer is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the bottom of the overall structure of the utility model;

[0017] Figure 4 This is a bottom view schematic diagram of the detection component of the utility model;

[0018] Figure numerals: 1, cable; 2, cable seal; 3, housing; 4, plug; 5, filter block; 6, connecting shell; 7, colloid; 8, sealing gasket; 9, detection body. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0021] Example 1

[0022] like Figure 1-4 As shown, a vibrating-wire osmometer comprises a cable 1, a cable seal 2 and a shell 3. A detection member connected to the cable 1 is provided on the inner side of the shell 3. A water filter connected to the shell 3 is provided at the bottom end of the detection member. A sealing gasket 8 in contact with the shell 3 is sleeved on the outer side of the detection member. A colloid 7 is provided above the water filter and between the shell 3 and the detection member. The detection member comprises a detection body 9 connected to the cable 1 and a connecting shell 6 arranged at the bottom end of the detection body 9.

[0023] A convex ring is provided on the outer side of the connecting shell 6, and a connecting ring is provided on the inner side of the shell 3. The sealing gasket 8 is sleeved on the outer side of the connecting shell 6 and connected with the connecting ring of the shell 3 and the convex ring of the connecting shell 6. A thread is provided on the outer side of the connecting shell 6, and a thread groove is provided on the inner side of the connecting ring of the shell 3. The connecting shell 6 is inserted in the middle of the connecting ring of the shell 3, and the thread of the connecting shell 6 is located on the inner side of the thread groove of the shell 3. This structure is used to limit the position of the detection part on the inner side of the shell 3, and the connecting shell 6 squeezes the sealing gasket 8 during installation so that the connecting shell 6 has a sealing effect after installation.

[0024] The water filter includes a plug 4 inserted into the inner side of the bottom end of the shell body 3 and the inner side of the bottom end of the connecting shell 6, and a filter block 5 arranged above the middle of the plug 4 and located on the inner side of the bottom end of the connecting shell 6, wherein the filter block 5 can be a filter component such as a filter cloth and a filter mesh, which can be selected and used according to the practical environment in actual use.

[0025] The middle part of the bottom end of the connecting shell 6 has a through hole, and the bottom end of the connecting shell 6 is provided with a hexagonal groove connected to the through hole, and the size of the groove is larger than the size of the through hole. This structure is used to make the inner side of the connecting shell 6 have a step, so that the filter block 5 can be directly placed on the inner side of the connecting shell 6, making the installation of the filter block 5 more convenient.

[0026] The cross-section of the plug 4 is F-shaped, the outer side of the top end of the plug 4 is provided with a thread, and the inner bottom end of the shell 3 is provided with a thread groove. The outer side of the top end of the plug 4 is inserted into the inner side of the shell 3, and the thread of the plug 4 is located on the inner side of the bottom thread groove of the shell 3. Through the threaded connection, the middle part of the top end is inserted into the inner side of the bottom end of the connecting shell 6, and the water-proof plug 4 and the filter block 5 are connected to the detection part. At the same time, a sealing gasket is arranged on the inner side of the filter block 5 to seal the connection gap between the plug 4, the connecting shell 6 and the shell 3, thereby improving the sealing effect of the vibrating wire osmometer.

[0027] A cavity is connected between the connecting shell 6, the plug 4 and the shell 3, and the colloid 7 is located on the inner side of the cavity between the connecting shell 6, the shell 3 and the plug 4. When in use, the colloid 7 is squeezed by the plug 4 to fill the cavity and the connecting gap between the connecting shell 6, the shell 3 and the plug 4, so that the cavity between the connecting shell 6, the shell 3 and the plug 4 is dense, so that the colloid 7 can seal the detection element and the shell 3 while the plug 4 can also seal it, so that the vibrating wire osmometer has multiple seals.

[0028] Working principle:

[0029] When in use, the sealing gasket 8 is sleeved on the outside of the connecting shell 6 between the thread and the convex ring, and the detection member is inserted into the inner side of the shell 3. The thread on the outside of the connecting shell 6 is connected to the thread groove on the inner side of the connecting ring of the shell 3 through the hexagonal groove of the connecting shell 6. At the same time, the connecting shell 6 drives the convex ring to squeeze the sealing gasket 8 on the ground of the connecting ring of the shell 3, so that the sealing gasket 8 seals the connecting ring of the shell 3 and the connecting shell 6. At the same time, the colloid 7 is poured into the inner side of the cavity with an opening at one end connected between the connecting shell 6 and the shell 3. The filter block 5 is placed The inner side of the groove of the connecting shell 6 is connected, and the plug 4 is inserted into the inner side of the connecting shell 6 and the shell body 3, so that the plug 4 fixes the position of the filter block 5, and at the same time, the cavity with an opening at one end connected between the connecting shell 6 and the shell body 3 is closed, and the plug 4 squeezes the colloid 7 in the cavity, so that the colloid 7 covers the inner side of the cavity connected between the connecting shell 6, the shell body 3, and the plug 4, so that the plug 4 and the colloid 7 further seal the detection part and the shell body 3, so that the vibrating string osmometer has multiple seals, and the sealing effect of the vibrating string osmometer is better.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A vibrating wire osmometer, characterized in that: The invention comprises a cable (1), a cable sealing member (2), and a housing (3); a detection member connected to the cable (1) is provided on the inner side of the housing (3); a water filter connected to the housing (3) is provided at the bottom end of the detection member; a sealing gasket (8) in contact with the housing (3) is sleeved on the outer side of the detection member; a colloid (7) is provided above the water filter and between the housing (3) and the detection member; the detection member comprises a detection body (9) connected to the cable (1) and a connection shell (6) provided at the bottom end of the detection body (9); The water filter comprises a plug (4) inserted into the inner side of the bottom end of the housing (3) and the inner side of the bottom end of the connecting shell (6), and a filter block (5) arranged above the middle of the plug (4) and located on the inner side of the bottom end of the connecting shell (6); A cavity is connected between the connecting shell (6), the plug (4) and the shell (3); the colloid (7) is located inside the cavity between the connecting shell (6), the shell (3) and the plug (4), and the colloid (7) is spread all over the inside of the cavity.

2. A vibrating wire osmometer according to claim 1, characterized in that: The outer side of the connecting shell (6) is provided with a convex ring, the inner side of the shell (3) is provided with a connecting ring, and the sealing gasket (8) is sleeved on the outer side of the connecting shell (6) and connected to the connecting ring of the shell (3) and the convex ring of the connecting shell (6).

3. A vibrating wire osmometer according to claim 1, characterized in that: The outer side of the connection shell (6) is provided with a thread, the inner side of the connection ring of the shell (3) is provided with a thread groove, the connection shell (6) is plugged into the middle of the connection ring of the shell (3), and the thread of the connection shell (6) is located on the inner side of the thread groove of the shell (3).

4. A vibrating wire osmometer according to claim 1, characterized in that: The middle part of the bottom end of the connection shell (6) is provided with a through hole, and the bottom end of the connection shell (6) is provided with a hexagonal groove connected to the through hole, and the size of the groove is larger than the size of the through hole.

5. A vibrating wire osmometer according to claim 1, characterized in that: The plug (4) has an F-shaped cross section, a thread is provided on the outer side of the top end of the plug (4), a thread groove is provided on the inner bottom end of the shell (3), the outer side of the top end of the plug (4) is plugged into the inner side of the shell (3), and the thread of the plug (4) is located on the inner side of the thread groove at the bottom end of the shell (3).

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