Ultrasonic water level gauge
By using a hollow sleeve in the ultrasonic level gauge and taking advantage of the deformation characteristics of its resin and rubber materials, the problem of unstable connection caused by mismatch between the level gauge and the bracket model is solved, achieving a stable connection and reducing measurement errors.
Patent Information
- Application Number
- CN202520425956.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The existing ultrasonic level gauges have unstable connections between different bracket models, leading to increased measurement errors.
A hollow sleeve is used, which is made of hard resin and rubber. The sleeve can deform within a large range through the adjustment device to ensure a stable connection between the water level gauge and the bracket.
It effectively prevents the water level gauge from tilting, reduces measurement errors, and allows for stable connection to different types of brackets.
Smart Images
Figure CN223856551U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to river channel technology field especially relates to an ultrasonic water level gauge. BACKGROUND
[0002] The ultrasonic water level gauge is a kind of water level monitoring and control technology based on the ultrasonic propagation characteristics, and it is simple in structure, convenient in reading and easy to install and maintain, and can be used for water level measurement at rivers, lakes, water channels and various hydraulic structures, and can also be used as a sensor for water level data acquisition system and hydrological automatic measurement and reporting system.
[0003] When installing the ultrasonic water level gauge, in order to prevent the water level gauge from tilting, ensure that the probe of the water level gauge is always perpendicular to the water surface, and need to stably connect between the water level gauge and the mounting bracket, generally set rubber layer on the outer surface of the water level gauge, use the deformation of rubber material to assist fixing between the water level gauge and the inner wall of the mounting bracket, but the deformation capacity of rubber is relatively limited, when the model of the bracket changes, the connection between the water level gauge and the bracket may not be stable due to the problem of incompatibility, which may cause the water level gauge to tilt and increase the measurement error of the ultrasonic water level gauge. SUMMARY
[0004] The utility model discloses to solve the problem that the deformation capacity of rubber is relatively limited, when the model of the bracket changes, the connection between the water level gauge and the bracket may not be stable due to the problem of incompatibility, which may cause the water level gauge to tilt and increase the measurement error of the ultrasonic water level gauge.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the water level gauge body, the top of the water level gauge body is provided with display screen, the top of the water level gauge body is provided with transparent protective cover and is connected with screw thread, the display screen is arranged in the inside of transparent protective cover, the outer surface of the water level gauge body is provided with two terminal, the bottom of the water level gauge body is fixedly installed with probe, the top of the probe is provided with adjusting device, the adjusting device can be fixed between the water level gauge and the mounting bracket through the cavity sleeve that can be deformed in a larger range.
[0006] The effect reached by the above-mentioned components is that the cavity sleeve is set, the water level gauge and the mounting bracket are fixed by using the characteristic that the cavity sleeve can be deformed in a larger range, which enables the ultrasonic water level gauge to be connected with different models of fixing brackets stably, prevents the water level gauge from tilting and reduces the measurement error of the ultrasonic water level gauge.
[0007] Preferably, the adjusting device includes a hollow sleeve, the upper and lower parts of which are made of hard resin and rubber, respectively. The hollow sleeve is fixedly installed on the bottom of the outer surface of the water level gauge body. A ring is slidably arranged on the bottom of the inner wall of the hollow sleeve. Connecting rods are uniformly fixedly connected to the top of the ring. A first collar is fixedly installed on the top of the hollow sleeve. One end of each of the four connecting rods is slidably inserted into the inner wall of the first collar and fixedly connected to the same second collar. The inner wall of the first collar is fixedly installed on the outer surface of the water level gauge body. The second collar is slidably arranged on the outer surface of the water level gauge body. A first threaded rod is rotatably connected to the top of the first collar through a bearing. The outer surface of the first threaded rod is threadedly connected to the inner wall of the second collar.
[0008] The effect achieved by the above-mentioned components is as follows: By setting up a cavity sleeve, which consists of two parts, the bottom of which is made of resin material with poor elasticity and the top of which is made of rubber material with good elasticity, rotating the first threaded rod will cause the ring connected to the second collar and the connecting rod to slide on the inner wall of the resin cavity sleeve. The bottom of the resin cavity sleeve is connected to the outside. As the ring slides upward, it will push the gas in the resin area of the cavity sleeve into the rubber area, which will cause that part of the cavity sleeve to expand. This will allow the cavity sleeve to deform within a large range, enabling a more stable connection between the ultrasonic level gauge and different types of fixed brackets.
[0009] Preferably, four rubber rings are evenly fixedly connected to the top of the first ring, the outer surface of the connecting rod abuts against the outer surface of the rubber rings, and the outer surface of the ring is provided with a rubber layer.
[0010] The effect achieved by the above components is as follows: by setting a rubber ring and a rubber layer on the outer surface of the ring, auxiliary sealing can be achieved between the connecting rod and the inner wall of the first sleeve, as well as between the ring and the cavity sleeve, to ensure that a sealed air chamber is formed between the rubber part of the ring and the cavity sleeve, preventing gas from escaping and causing the cavity sleeve to shrink.
[0011] Preferably, a second threaded rod is fixedly connected to the top of the first collar, the outer surface of the second threaded rod is slidably disposed on the inner wall of the second collar, and nuts are provided on both sides of the second collar, and the outer surface of the second threaded rod is threadedly connected to the inner walls of the two nuts.
[0012] The effect achieved by the above components is that when the second ring moves under the action of the first threaded rod, the second threaded rod slides in the inner wall of the second sleeve until the cavity sleeve expands to an appropriate degree, and then the two nuts are rotated so that one side of the nut abuts against one side of the second ring, thereby assisting in fixing the second ring and locking the first threaded rod and the second ring, which helps to prevent the circular ring from being displaced due to rotation of the first threaded rod.
[0013] Preferably, the top end of the first threaded rod and the second threaded rod is fixedly connected with an auxiliary block, and the outer surface of the auxiliary block is uniformly provided with a protrusion.
[0014] The effect achieved by the above components is that the auxiliary block at one end of the first threaded rod mainly serves to increase the friction force, facilitating rotation of the first threaded rod, and the auxiliary block at one end of the second threaded rod can block one end of the second threaded rod, which helps to prevent the nut from being separated from the second threaded rod.
[0015] Preferably, the top of the first ring is further provided with an auxiliary assembly, the auxiliary assembly comprises two round hole blocks, one side of the two round hole blocks is fixedly connected with the outer surface of the first ring, and a threaded pin is inserted in the inner wall of the round hole block.
[0016] The effect achieved by the above components is that when the ultrasonic water level meter is installed, the bottom of the first ring abuts against the top of the mounting bracket, the threaded pin is rotated into the inner wall of the mounting bracket, which can assist in fixing the water level meter and the mounting bracket, and further improves the stability of the connection between the ultrasonic water level meter and the bracket.
[0017] Preferably, one end of the threaded pin is fixedly connected with a rotating block, and one side of the rotating block is provided with a groove.
[0018] The effect achieved by the above components is that the rotating block body and the groove on one side are both regular hexagons, which facilitates rotation of the threaded pin by a hexagonal wrench, so that the threaded pin can completely enter the inner wall of the mounting bracket.
[0019] Preferably, the outer surface of the threaded pin is sleeved with a spring, one end of the spring is fixedly connected with an auxiliary ring, the other end of the spring is fixedly connected with one side of the round hole block, the rotating block is rotatably arranged on one side of the auxiliary ring, and the threaded pin is arranged in the auxiliary ring.
[0020] The effect achieved by the above components is that by arranging the auxiliary ring, when the rotating block drives the threaded pin to rotate, the spring connected with the auxiliary ring will not be rotated, which helps to prevent the spring from being twisted and damaged, and by arranging the spring, the threaded pin and the round hole block are connected, which helps to prevent the threaded pin from easily separating from the inner wall of the round hole block.
[0021] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0022] In this invention, a hollow sleeve is provided, and the upper part of the hollow sleeve can deform within a large range to fix the water level gauge and the mounting bracket. This allows for a more stable connection between the ultrasonic water level gauge and different types of mounting brackets, which helps to prevent the water level gauge from tilting and reduces the measurement error of the ultrasonic water level gauge. Attached Figure Description
[0023] Figure 1 This is a three-dimensional structural diagram of the main body of this utility model;
[0024] Figure 2 This is a cross-sectional structural diagram of the hollow sleeve of this utility model;
[0025] Figure 3 This utility model Figure 2 A magnified structural diagram at point A;
[0026] Figure 4 This utility model Figure 2 A magnified structural diagram at point B.
[0027] Legend: 1. Water level gauge body; 2. Display screen; 3. Transparent protective cover; 4. Wiring terminal; 5. Probe; 6. Adjustment device; 61. Hollow sleeve; 62. Ring; 63. Connecting rod; 64. First collar; 65. Second collar; 66. First threaded rod; 67. Rubber ring; 68. Second threaded rod; 69. Nut; 610. Auxiliary block; 7. Auxiliary component; 71. Round hole block; 72. Threaded pin; 73. Rotating block; 74. Spring; 75. Auxiliary ring. Detailed Implementation
[0028] Example 1, referring to Figures 1-3As shown, the embodiment discloses an ultrasonic water level meter, which comprises a water level meter body 1, a display screen 2 is arranged at the top of the water level meter body 1, a transparent protective cover 3 is threadedly connected to the top of the water level meter body 1, the display screen 2 is arranged in the interior of the transparent protective cover 3, the transparent protective cover 3 mainly plays a sealing and waterproof role on the display screen 2, and meanwhile, the transparent protective cover 3 will not shield the display screen 2, two wiring ends 4 are arranged on the outer surface of the water level meter body 1, the wiring ends 4 are used for providing electric energy for the water level meter, a probe 5 is fixedly installed at the bottom of the water level meter body 1, the probe 5 is a liquid level sensor (generally RZ-UTG or KZ-200 series), the liquid level sensor emits ultrasonic pulses, the pulses are reflected back after meeting the liquid surface, and are received by the liquid level sensor, the distance from the sensor to the liquid surface can be calculated by measuring the emission and receiving time of the ultrasonic waves, so that the water level height is determined, an adjusting device 6 is arranged at the top of the probe 5, the adjusting device 6 comprises a cavity sleeve 61, the upper and lower parts of the cavity sleeve 61 are made of hard resin and rubber respectively, the cavity sleeve 61 is fixedly installed at the bottom of the outer surface of the water level meter body 1, a circular ring 62 is slidably arranged at the bottom of the inner wall of the cavity sleeve 61, the top of the circular ring 62 is uniformly and fixedly connected with a connecting rod 63, a first sleeve ring 64 is fixedly installed at the top of the cavity sleeve 61, one end of the four connecting rods 63 is slidably inserted into the inner wall of the first sleeve ring 64, and the same second sleeve ring 65 is fixedly connected with the one end, the inner wall of the first sleeve ring 64 is fixedly installed on the outer surface of the water level meter body 1, the second sleeve ring 65 is slidably arranged on the outer surface of the water level meter body 1, the first sleeve ring 64 is rotatably connected with a first threaded rod 66 through a bearing, and the outer surface of the first threaded rod 66 is threadedly connected with the inner wall of the second sleeve ring 65, by arranging the cavity sleeve 61, the cavity sleeve 61 is composed of two parts, the bottom is made of resin material with poor elasticity, and the top is made of rubber material with good elasticity, when the first threaded rod 66 is rotated, the first threaded rod 66 will drive the circular ring 62 connected with the second sleeve ring 65 and the connecting rod 63 to slide on the inner wall of the resin material cavity sleeve 61, the bottom of the resin material cavity sleeve 61 is connected with the outside, in the process of upward sliding of the circular ring 62, the gas in the resin material area of the cavity sleeve 61 will be pushed into the rubber material area, so that the part of the cavity sleeve 61 will expand, and thus the cavity sleeve 61 can deform in a larger range, so that the ultrasonic water level meter and different types of fixed supports can be stably connected.
[0029] Referring to Figure 2 and Figure 3As shown, the top of the first ring 64 is uniformly fixedly connected with four rubber rings 67, the outer surface of the connecting rod 63 abuts against the outer surface of the rubber ring 67, and the outer surface of the circular ring 62 is provided with a rubber layer. By arranging the rubber ring 67 and the rubber layer on the outer surface of the circular ring 62, auxiliary sealing can be achieved between the connecting rod 63 and the inner wall of the first ring 64 and between the circular ring 62 and the cavity sleeve 61, respectively, so as to ensure that a closed air chamber is formed between the circular ring 62 and the rubber part of the cavity sleeve 61, thereby preventing the cavity sleeve 61 from shrinking due to gas escaping.
[0030] Referring to Figure 2 and Figure 3 As shown, the top of the first ring 64 is fixedly connected with a second threaded rod 68, the outer surface of the second threaded rod 68 is slidingly arranged in the inner wall of the second ring 65, both sides of the second ring 65 are provided with nuts 69, and the outer surface of the second threaded rod 68 is threadedly connected with the inner walls of the two nuts 69. When the second ring 65 moves under the action of the first threaded rod 66, the second threaded rod 68 will slide in the inner wall of the second sleeve until the cavity sleeve 61 expands to an appropriate degree. Then, by rotating the two nuts 69, the side of the nut 69 abuts against one side of the second ring 65, which can assist in fixing the second ring 65, thereby locking the first threaded rod 66 and the second ring 65, which is beneficial to prevent the first threaded rod 66 from rotating and causing the circular ring 62 to shift. The top ends of the first threaded rod 66 and the second threaded rod 68 are fixedly connected with auxiliary blocks 610, the outer surfaces of the auxiliary blocks 610 are uniformly provided with protrusions, the auxiliary block 610 at one end of the first threaded rod 66 mainly serves to increase the friction force, facilitating the rotation of the first threaded rod 66, and the auxiliary block 610 at one end of the second threaded rod 68 can block one end of the second threaded rod 68, which is beneficial to prevent the nut 69 from detaching from the second threaded rod 68.
[0031] Referring to Figure 2 and Figure 4 As shown, the top of the first ring 64 is further provided with an auxiliary assembly 7, the auxiliary assembly 7 comprises two round hole blocks 71, one side of the two round hole blocks 71 is fixedly connected with the outer surface of the first ring 64 in a symmetrical manner, and a threaded pin 72 is inserted into the inner wall of the round hole block 71. When the ultrasonic water level meter is installed, the bottom of the first ring 64 abuts against the top of the mounting bracket. By rotating the threaded pin 72, the threaded pin 72 enters the inner wall of the mounting bracket, which can assist in fixing the water level meter and the mounting bracket, further improving the stability of the connection between the ultrasonic water level meter and the bracket.
[0032] Referring to Figure 2 and Figure 4As shown, one end of the threaded pin 72 is fixedly connected with a rotating block 73, one side of the rotating block 73 is provided with a groove, and the main body of the rotating block 73 and the groove on one side are both regular hexagons, so that the threaded pin 72 can be rotated by a hexagonal wrench, so that the threaded pin 72 can completely enter the inner wall of the mounting bracket; the outer surface of the threaded pin 72 is sleeved with a spring 74, one end of the spring 74 is fixedly connected with an auxiliary ring 75, the other end of the spring 74 is fixedly connected with one side of the circular hole block 71, the rotating block 73 is rotatably arranged on one side of the auxiliary ring 75, and the threaded pin 72 is arranged in the auxiliary ring 75. By arranging the auxiliary ring 75, when the rotating block 73 drives the threaded pin 72 to rotate, the spring 74 connected with the auxiliary ring 75 will not be driven to rotate, thereby facilitating prevention of the spring 74 from being twisted and damaged. By arranging the spring 74, the threaded pin 72 and the circular hole block 71 are connected, which is beneficial to prevent the threaded pin 72 from easily separating from the inner wall of the circular hole block 71.
[0033] Working principle: when the ultrasonic water level meter is installed, the bottom of the first sleeve ring 64 is in abutment with the top of the mounting bracket, the first threaded rod 66 is rotated, the circular ring 62 connected with the second sleeve ring 65 and the connecting rod 63 slides on the inner wall of the cavity sleeve 61 made of resin, and the second threaded rod 68 slides on the inner wall of the second sleeve ring 65. The bottom of the cavity sleeve 61 made of resin is in communication with the outside, so that in the process of upward sliding of the circular ring 62, the gas in the resin area of the cavity sleeve 61 is pushed into the rubber area, thereby causing the cavity sleeve 61 to expand, until the outer surface of the cavity sleeve 61 is in complete abutment with the inner wall of the mounting bracket. Then, the two nuts 69 are rotated, so that one side of the nut 69 is in abutment with one side of the second sleeve ring 65, so that the second sleeve ring 65 can be fixedly connected, thereby preventing the first threaded rod 66 from rotating and causing the circular ring 62 to shift, so that the cavity sleeve 61 can deform in a larger range, and the ultrasonic water level meter and different types of mounting brackets can be stably connected. The rotating block 73 is rotated to drive the threaded pin 72 to rotate. The rotating block 73 is constantly extruded by the auxiliary ring 75 and the spring 74, so that the spring 74 deforms until the spring 74 deforms to the limit state. The threaded pin 72 completely enters the inner wall of the bracket, thereby assisting in fixing the water level meter and the mounting bracket, and further improving the stability of the connection between the ultrasonic water level meter and the bracket.
Claims
1. An ultrasonic water level gauge comprising a water level gauge body (1), characterised in that: The top of the water level gauge body (1) is provided with a display screen (2), the top of the water level gauge body (1) is threadedly connected with a transparent protective cover (3), the display screen (2) is arranged in the transparent protective cover (3), the outer surface of the water level gauge body (1) is provided with two wiring ends (4), the bottom of the water level gauge body (1) is fixedly installed with a probe (5), the top of the probe (5) is provided with an adjusting device (6), and the adjusting device (6) is fixed between the water level gauge and the mounting bracket through the cavity sleeve (61) which can be deformed in a large range.
2. An ultrasonic water level meter according to claim 1, characterized in that: The adjusting device (6) comprises a cavity sleeve (61), the upper and lower portions of the cavity sleeve (61) are made of hard resin and rubber material respectively, the cavity sleeve (61) is fixedly installed at the bottom of the outer surface of the water level gauge body (1), a circular ring (62) is slidably arranged at the bottom of the inner wall of the cavity sleeve (61), the top of the circular ring (62) is uniformly and fixedly connected with a connecting rod (63), a first sleeve ring (64) is fixedly installed at the top of the cavity sleeve (61), one end of the four connecting rods (63) is slidably inserted into the inner wall of the first sleeve ring (64) and is fixedly connected with the same second sleeve ring (65), the inner wall of the first sleeve ring (64) is fixedly installed on the outer surface of the water level gauge body (1), and the second sleeve ring (65) is slidably arranged on the outer surface of the water level gauge body (1).
3. An ultrasonic water level meter according to claim 2, characterized in that: The top of the first sleeve ring (64) is uniformly and fixedly connected with four rubber rings (67), the outer surfaces of the connecting rods (63) and the rubber rings (67) are abutted, and the outer surface of the circular ring (62) is provided with a rubber layer.
4. An ultrasonic water level meter according to claim 2, wherein: The top of the first sleeve ring (64) is fixedly connected with a second threaded rod (68), the outer surface of the second threaded rod (68) is slidably arranged in the inner wall of the second sleeve ring (65), the two sides of the second sleeve ring (65) are provided with nuts (69), and the outer surface of the second threaded rod (68) is threadedly connected with the inner walls of the two nuts (69).
5. An ultrasonic water level meter according to claim 4, wherein: The top ends of the first threaded rod (66) and the second threaded rod (68) are fixedly connected with auxiliary blocks (610), and the outer surfaces of the auxiliary blocks (610) are uniformly provided with protrusions.
6. An ultrasonic water level meter according to claim 2, wherein: The top of the first sleeve ring (64) is also provided with an auxiliary assembly (7), the auxiliary assembly (7) comprises two circular hole blocks (71), one side of the two circular hole blocks (71) is fixedly connected with the outer surface of the first sleeve ring (64) in a symmetrical mode, and a threaded pin (72) is inserted into the inner wall of the circular hole block (71).
7. An ultrasonic water level meter according to claim 6, characterized in that: One end of the threaded pin (72) is fixedly connected with a rotating block (73), and one side of the rotating block (73) is provided with a groove.
8. An ultrasonic water level meter according to claim 7, characterized in that: The outer surface of the threaded pin (72) is sleeved with a spring (74), one end of the spring (74) is fixedly connected with an auxiliary ring (75), the other end of the spring (74) is fixedly connected with one side of the round hole block (71), the rotating block (73) is rotatably arranged on one side of the auxiliary ring (75), and the threaded pin (72) is arranged in the inner part of the auxiliary ring (75).