Liquid level observation device of waste water storage tank

Abstract

The utility model is suitable for the technical field of waste water storage tanks, and provides a liquid level observation device of a waste water storage tank, which comprises a base arranged on the outer side of the waste water storage tank, and a base arranged at the bottom end of the base; the auxiliary assembly comprises a floating frame and buoyancy parts, the floating frame is arranged in the waste water storage tank, the floating frame is provided with a plurality of buoyancy parts, the top surface of the floating frame is connected with a connecting rope penetrating out of the waste water storage tank, the top end of the base is connected with a main pulley matched with the connecting rope, a lifting seat is slidably arranged on the base, and the connecting rope is connected with the top of the lifting seat; a threaded shaft and a rotating shaft are rotationally arranged in the base, a winding belt is arranged between the threaded shaft and the lifting seat, the threaded shaft is in threaded connection with a threaded block, the rotating shaft is provided with a guide groove matched with the threaded block, and the rotating shaft is connected with an identification disc. Therefore, according to the utility model, the change of the height of the liquid level in the waste water storage tank can be converted into automatic rotation of the identification disc under the assistance of buoyancy, so that good observation accuracy is ensured, and the manufacturing and use cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater storage tank technical field especially relates to a wastewater storage tank liquid level observation device. BACKGROUND

[0002] A large amount of wastewater is produced in the chemical production process, and the wastewater is usually temporarily stored in a wastewater storage tank before being treated in a harmless way. When the wastewater storage tank is in use, the user needs to know the liquid level inside the tank to prevent the wastewater from overflowing.

[0003] There are various wastewater storage tank liquid level observation devices in the prior art. For example, a liquid level measurement system based on a wastewater tank disclosed in CN208012705U includes a double-flange liquid level transmitter, a radar liquid level meter, two radio frequency admittance liquid level meters, two magnetic float liquid level meters, a field pressure gauge, a pressure transmitter, a pressure indicator, a breather valve, a vent line, and an emergency relief manhole, which can not only observe the liquid level but also separate waste. However, the above device has a complex structure and requires multiple electrical components to operate, resulting in high manufacturing costs and inconvenience in use.

[0004] In summary, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0005] In view of the above defects, the utility model aims to provide a wastewater storage tank liquid level observation device which can not only convert the change in the liquid level height in the wastewater storage tank into the automatic rotation of the identification disc through the assistance of buoyancy, but also reduce the manufacturing and use costs.

[0006] To achieve the above purpose, the utility model provides a wastewater storage tank liquid level observation device, which comprises a base provided outside the wastewater storage tank, a bottom provided at the bottom end of the base, an auxiliary assembly comprising a floating rack and a buoyancy piece, the floating rack being provided inside the wastewater storage tank, a plurality of buoyancy pieces being provided on the floating rack, a connecting rope penetrating out of the wastewater storage tank being connected to the top surface of the floating rack, a main pulley cooperating with the connecting rope being connected to the top end of the base, a lifting seat being slidably provided on the base, the top of the lifting seat being connected to the connecting rope, a threaded shaft and a rotating shaft being rotatably provided in the bottom, a belt being provided between the threaded shaft and the lifting seat, a threaded block being threadedly connected to the threaded shaft, a guide groove cooperating with the threaded block being provided on the rotating shaft, and an identification disc being connected to the rotating shaft.

[0007] According to the wastewater storage tank liquid level observation device of the utility model, the two ends of the threaded shaft are rotatably connected to the two end sidewalls of the base, and torsional springs are provided at the connection between the threaded shaft and the base.

[0008] According to the liquid level observation device for the wastewater storage tank of this utility model, when the lifting seat is at the bottom of its movement range, the torsion spring is in its natural state, and the winding tape is wound around the threaded shaft.

[0009] According to the wastewater storage tank level observation device of this utility model, the top of the base is connected to a side support, and the end of the side support is rotatably connected to a secondary pulley that cooperates with the connecting rope.

[0010] According to the liquid level observation device for wastewater storage tank of this utility model, the side wall of the base is provided with a bracket that cooperates with the indicator plate. The bracket is located below the indicator plate. Both ends of the bracket are provided with anti-detachment parts that cooperate with the indicator plate. The middle of the bracket is provided with a pointer.

[0011] According to the liquid level observation device for wastewater storage tank of this utility model, the guide groove is a spiral groove that surrounds the surface of the rotating shaft. When the threaded block moves from one end of the threaded shaft to the other end, the rotation angle of the indicator disk is less than 360°.

[0012] The purpose of this invention is to provide a liquid level observation device for wastewater storage tanks, which has the following beneficial effects:

[0013] 1. By setting auxiliary components, the indicator panel can be automatically rotated according to the change in the liquid level in the wastewater storage tank, which makes it easier for users to observe and ensures good observation accuracy.

[0014] 2. This utility model has a simple structure, is easy to use, can reduce manufacturing and usage costs, and is easy to promote.

[0015] In summary, the beneficial effects of this utility model are: it can convert changes in the liquid level in the wastewater storage tank into automatic rotation of the indicator plate through buoyancy assistance, ensuring good observation accuracy, and it can also reduce manufacturing and usage costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a front sectional view of the present invention;

[0018] Figure 3 yes Figure 1 Enlarged schematic diagram of part A of the structure;

[0019] Figure 4 yes Figure 2 Enlarged schematic diagram of part B structure;

[0020] In the figure: 1 - base, 11 - base, 12 - side support, 13 - auxiliary pulley, 14 - guide shaft, 2 - auxiliary assembly, 21 - floating frame, 22 - buoyancy piece, 23 - connecting rope, 24 - main pulley, 25 - lifting seat, 251 - winding belt, 26 - threaded shaft, 261 - threaded block, 27 - rotating shaft, 271 - identification disc, 28 - bracket. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0022] Referring to Figures 1-4 The utility model provides a kind of liquid level observation device of wastewater storage tank, including base 1 and auxiliary assembly 2, base 1 is installed on the outside of wastewater storage tank (wastewater storage tank is more mature prior art, its structure and operating principle are the common knowledge of those skilled in the art, so the utility model is not described again), base 1 bottom end is fixedly connected with base 11, base 11 abuts ground (or other support surface), base 1 is provided with auxiliary assembly 2.

[0023] Referring to Figures 1-4 Auxiliary assembly 2 includes floating frame 21 and buoyancy piece 22, floating frame 21 is located at one side of base 1, and the bottom surface of floating frame 21 is connected with a plurality of buoyancy pieces 22, the buoyancy piece 22 is hollow and sealed structure, which can provide buoyancy for floating frame 21, and the device is used, floating frame 21 and a plurality of buoyancy pieces 22 are located in wastewater storage tank, and floating frame 21 can be synchronous with wastewater storage tank in liquid level and rise (i.e. wastewater storage tank increases, wastewater storage tank in wastewater liquid level rises, floating frame 21 rises synchronously, and vice versa). The top surface of floating frame 21 is connected with connecting rope 23, connecting rope 23 passes through wastewater storage tank 1, and the top end of base 1 is rotatably connected with main pulley 24 matched with connecting rope 23, and lifting seat 25 is slidably arranged on base 1, and connecting rope 23 is fixedly connected to the top surface of lifting seat 25 after being matched with main pulley 24, so that when floating frame 21 rises in wastewater storage tank, lifting seat 25 is lowered synchronously.

[0024] Referring to Figures 1-4The threaded shaft 26 is rotatably arranged in the base 11, both ends of the threaded shaft 26 are rotatably connected to the side walls of the base 11, torsion springs are arranged at the positions where the threaded shaft 26 is connected to the side walls of the base 11, and a winding belt 251 is arranged between the threaded shaft 26 and the lifting seat 25; when the lifting seat 25 is located at the bottom end of the movement range, the torsion springs are in a natural state, and at this time, the winding belt 251 is wound on the threaded shaft 26. A rotating shaft 27 is rotatably arranged above the threaded shaft 26, both ends of the rotating shaft 27 are rotatably connected to the side walls of the base 11, a threaded block 261 is threadedly connected to the threaded shaft 26, the rotating shaft 27 penetrates through the threaded block 261, and the outer surface of the rotating shaft 27 is provided with a guide groove matched with the threaded block 261 (that is, a through hole is formed in the threaded block 261, and a guide column matched with the guide groove is arranged on the inner side wall of the through hole). One end of the rotating shaft 27 is connected with a mark disc 271, and a plurality of capacity marks are arranged on the side wall of the mark disc 271 away from the rotating shaft 27. Through the rotating angle of the mark disc 21, the user can understand the liquid level in the wastewater storage tank.

[0025] Referring to Figures 1-4 Preferably, the self-weight of the floating frame 21 and the plurality of buoyancy members 22 can overcome the force provided by the torsion springs, so that the floating frame 21 and the plurality of buoyancy members 22 can automatically descend when the liquid level descends.

[0026] Referring to Figures 1-4 Preferably, the base 1 is fixedly connected with a side support 12 at the top, and the end of the side support 12 is rotatably connected with a secondary pulley 13. The secondary pulley 13 can cooperate with the connecting rope 23 to avoid large friction between the connecting rope 23 and the side wall of the top end of the wastewater storage tank during use, thereby prolonging the service life of the device.

[0027] Referring to Figures 1-4 Preferably, a bracket 28 is arranged on the side wall of the base 11 close to the mark disc 271, and the bracket 28 is arranged below the mark disc 271. The bracket 28 can provide support for the mark disc 271. The bracket 27 is provided with a anti-disengagement member matched with the mark disc 271 at both ends, and a pointer matched with the mark disc 271 is arranged in the middle of the bracket 27, which can improve the accuracy of observation.

[0028] Referring to Figures 1-4 Preferably, a guide shaft 14 matched with the connecting rope 23 is rotatably connected to the top of the base 1. The guide shaft 14 can guide the connecting rope 23, so that the connecting rope 23 is in a vertical state when it is connected to the top surface of the lifting seat 25, thereby ensuring that the pulling force of the connecting rope 23 on the lifting seat 25 is vertically upward, avoiding the lifting seat 25 from being stuck and affecting the observation of the liquid level.

[0029] Referring to Figures 1-4 Preferably, by adjusting the density of the threads on the threaded shaft 26, the marks on the mark disc 271 can accurately correspond to the liquid level in the wastewater storage tank.

[0030] Referring to Figures 1-4 Preferably, the guide groove is a spiral groove, and the rotation angle of the rotation shaft 27 is slightly less than 360° when the threaded block 261 is moved from one end of the threaded shaft 26 to the other end (i.e., the floating frame 21 is moved from the bottom end of the wastewater storage tank to the top end).

[0031] In the implementation process of the utility model, when the liquid level in the wastewater storage tank rises, the buoyant member 22 provides buoyancy for the floating frame 21, so that the floating frame 21 and the plurality of buoyant members 22 rise synchronously with the liquid level, the connecting rope 23 is loosened, the threaded shaft 26 is automatically rotated under the action of the torsional spring, so that the threaded block 261 moves along the threaded shaft 26, and under the cooperation of the guide groove and the guide column, the rotation shaft 27 drives the identification disc 271 to rotate by a certain angle, and the user can read the liquid level height in the wastewater storage tank according to the cooperation position of the pointer and the identification disc 271.

[0032] Similarly, when the liquid level in the wastewater storage tank decreases, the floating frame 22 and the plurality of buoyant members 23 automatically decrease under the action of gravity, the connecting rope 23 is tightened and drives the threaded shaft 26 to rotate reversely, so as to drive the identification disc 271 to reverse rotate by a certain angle.

[0033] The utility model provides a liquid level observation device of wastewater storage tank, and beneficial effects are as follows:

[0034] 1. By setting up auxiliary assembly, can automatic rotation to identification disc according to the change of liquid level height in wastewater storage tank, so as to facilitate the user to observe, guarantee good observation accuracy.

[0035] 2. The utility model discloses simple structure, convenient to use, can reduce manufacturing and use cost, and is convenient for promotion.

[0036] In conclusion, the utility model has the beneficial effects that: the change of liquid level height in the wastewater storage tank can be converted into the automatic rotation of the identification disc by the buoyancy assistance, the good observation accuracy is guaranteed, and the manufacturing and use cost is reduced.

[0037] Of course, the utility model also can have multiple embodiments, and the skilled in the art can make corresponding changes and deformation according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and deformation should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A liquid level observation device for a wastewater storage tank, characterized by comprising: The utility model relates to a sewage storage tank auxiliary assembly, including: a base is located outside the sewage storage tank, the bottom end of the base is equipped with a base; an auxiliary assembly including a floating rack and a buoyancy piece, the floating rack is located inside the sewage storage tank, a plurality of buoyancy pieces are equipped on the floating rack, the top surface of the floating rack is connected with a connecting rope that passes through the sewage storage tank, the top end of the base is connected with a main pulley matched with the connecting rope, a lifting seat is slidably arranged on the base, the connecting rope is connected to the top of the lifting seat, a threaded shaft and a rotating shaft are rotatably arranged in the base, a winding belt is arranged between the threaded shaft and the lifting seat, a threaded block is threadedly connected to the threaded shaft, a guide groove matched with the threaded block is arranged on the rotating shaft, and an identification disc is connected to the rotating shaft. Both ends of the threaded shaft are rotatably connected to the two end side walls of the base, and torsional springs are arranged at the connection between the threaded shaft and the base.

2. The liquid level observation device for a wastewater storage tank according to claim 1, characterized by When the lifting seat is located at the bottom end of its movement range, the torsional springs are in a natural state, and the winding belt is wound around the threaded shaft.

3. The liquid level observation device for a wastewater storage tank according to claim 1, characterized by A side support is connected to the top of the base, and a vice pulley matched with the connecting rope is rotatably connected to the end of the side support.

4. The liquid level observation device for a wastewater storage tank according to claim 1, characterized by A bracket matched with the identification disc is arranged on the side wall of the base, the bracket is arranged below the identification disc, anti-disengagement pieces matched with the identification disc are arranged at both ends of the bracket, and a pointer is arranged in the middle of the bracket.

5. The liquid level observation device for a wastewater storage tank according to claim 1, characterized by The guide groove is a helical groove around the surface of the rotating shaft, and the rotating angle of the identification disc is less than 360 degrees when the threaded block moves from one end of the threaded shaft to the other end.

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