Filtering type glass rotameter
By designing an easily replaceable protective plate and an automatic cleaning system in the filter-type glass rotor flow meter, the problems of unclear scale and easy damage to the protective cover are solved, thereby improving the measurement accuracy and service life of the flow meter.
Patent Information
- Application Number
- CN202422698560.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing filter-type glass rotor flow meters suffer from unclear scales and easily worn or cracked protective covers, affecting the accuracy of flow measurement.
A structure including a protective sheet and a positioning component was designed to make the protective sheet easy to replace and to automatically clean the observation window through a wiping component, ensuring clear observation.
The quick replacement and automatic cleaning function of the protective plate improves the measurement accuracy and service life of the flow meter.
Smart Images

Figure CN223551139U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rotor flowmeter technology, specifically a filter-type glass rotor flowmeter. Background Technology
[0002] Rotor flow meters are widely used in industrial automation and fluid measurement, especially in industries such as petrochemicals, water treatment, pharmaceuticals, and food. In the petrochemical industry, they are used to measure the flow rate of oils, gases, and liquids. In the water treatment industry, they can be used to measure the flow rate of water, such as in wastewater treatment and water supply treatment.
[0003] Referring to the glass rotor flowmeter disclosed in patent application CN218511805U, the glass rotor flowmeter body includes a glass rotor flowmeter body, a filter box, a sealing block, and a limiting mechanism. The glass rotor flowmeter body has a top pipe at its top and a bottom pipe at its bottom. The filter box is connected to the glass rotor flowmeter body through the bottom pipe. The filter box contains a filter screen and has a connecting pipe on one side. An opening is formed at the top of the filter box, and the sealing block matches the opening. The limiting mechanism includes a cylinder, a limiting plate, a long plate, a circular hole, and a limiting component. One end of the cylinder is mounted on the filter box, and the other end is connected to the limiting plate. The circular hole is formed on the long plate, and the long plate is mounted on the cylinder through the circular hole. This glass rotor flowmeter can filter gas through the filter box.
[0004] As described above, in the prior art, the readings of the filter-type glass rotor flowmeter in the prior art are obtained by observing the scale marked on the front cover of the flowmeter. The front cover is the outermost layer of the flowmeter to prevent the glass tube from breaking and splashing. In order to ensure observation, this cover is usually made of transparent plastic or glass, which makes it very susceptible to wear and tear, resulting in blurred scales. Moreover, as the main impact-bearing component, it is prone to splitting, affecting the accuracy of flow measurement.
[0005] Therefore, it is necessary to provide a filter-type glass rotor flowmeter to solve the above-mentioned technical problems. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] To solve the above-mentioned technical problems, this utility model provides a filter-type glass rotor flow meter.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, this utility model provides the following technical solution: a filter-type glass rotor flowmeter, comprising:
[0010] A base, in which a measuring tube assembly is installed, and an observation port is formed on the outer wall of the base opposite the measuring tube assembly. An outflow pipe is fixed on the top of the base, and the liquid outlet end of the measuring tube assembly is connected to the outflow pipe.
[0011] The outer shell is fixed to the outer wall of the base, and the measuring tube assembly is enclosed in the cavity formed by the outer shell and the base;
[0012] A protective sheet is slidably connected to the side wall of the base near the observation port, and the protective sheet can close the observation port. The protective sheet is transparent and is positioned on the base by a positioning component. The side of the protective sheet away from the outer shell is flush with the observation window.
[0013] A filter assembly is disposed on one side of the base. The outlet end of the filter assembly is connected to the inlet end of the measuring tube assembly through an inlet pipe. The filter assembly includes an observation window installed on one side of its outer wall.
[0014] A wiping assembly is installed on the outer wall of the base on the side away from the filter assembly. The wiping assembly is used to wipe away dust and dirt from the protective sheet and the viewing window.
[0015] Preferably, the bottom inner wall of the observation port is provided with a slot for inserting a protective sheet, the lower end of the protective sheet is inserted into the slot, the top of the base is provided with a placement groove communicating with the observation port, and a mounting block is fixed on the top of the protective sheet, the mounting block is inserted into the placement groove.
[0016] Preferably, the positioning component includes symmetrically formed column holes on the inner wall of the placement groove. A first spring is fixed to the inner wall of the column hole. A ball is fixed to one end of the first spring near the mounting block. A ball groove is formed on the outer wall of the mounting block at the position corresponding to the ball. One side of the ball extends beyond the column hole into the placement groove and engages with the ball groove.
[0017] Preferably, the wiping assembly includes a storage shell fixed on the side of the base away from the filter assembly. The lower end of the inner wall of the storage shell is rotatably connected to a rotating shaft via a bearing. A rotating plate is fixed in the middle of the rotating shaft. Brush bristles are fixed on the side of the rotating plate near the base. A motor is fixed on the outer wall of the storage shell, and the output end of the motor is fixed to one end of the rotating shaft.
[0018] Preferably, the top of the mounting block has an opening.
[0019] Preferably, the top of the mounting block protrudes from the top surface of the base, and the opening is located above the base.
[0020] (III) Beneficial Effects
[0021] This invention provides a filter-type glass rotor flow meter. Compared with the prior art, it has the following advantages:
[0022] 1. This application greatly reduces the steps of disassembling and assembling the protective plate and greatly improves the disassembly and assembly speed by setting up a protective plate and positioning components. Therefore, it can be easily and quickly replaced after the protective plate is split, damaged or worn and scratched, reducing the impact on the degree.
[0023] 2. This application incorporates a wiping component, enabling users to easily and quickly remove dust and stains from the protective film and observation window, ensuring clarity and accuracy of observation. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0025] Figure 2 This is a schematic diagram showing the location of the observation port of this utility model;
[0026] Figure 3 For the present utility model Figure 2 Enlarged schematic diagram;
[0027] Figure 4 This is a top view of the base of this utility model;
[0028] Figure 5 For the present utility model Figure 4 Enlarged view of point B;
[0029] Figure 6 This is a schematic diagram showing the positional relationship between the ball groove and the mounting block of this utility model.
[0030] The following are the labeling elements in the diagram: 1. Base; 2. Measuring tube assembly; 3. Observation port; 4. Outlet tube; 5. Outer shell; 6. Filter assembly; 7. Inlet tube; 8. Observation window; 9. Protective plate; 10. Slot; 11. Placement slot; 12. Mounting block; 13. Column hole; 14. First spring; 15. Sphere; 16. Ball groove; 17. Storage shell; 18. Rotating plate; 19. Brush bristles; 20. Motor; 21. Rotating shaft. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Please see Figures 1 to 6This embodiment provides a filter-type glass rotor flow meter, including a base 1, a measuring tube assembly 2 installed inside the base 1, an observation port 3 formed on the outer wall of the base 1 opposite to the measuring tube assembly 2, and an outflow pipe 4 fixed on the top of the base 1. The liquid outlet end of the measuring tube assembly 2 is connected to the outflow pipe 4.
[0033] The outer shell 5 is fixed to the outer wall of the base 1, and the measuring tube assembly 2 is enclosed in the cavity formed by the outer shell 5 and the base 1;
[0034] The filter assembly 6 is located on one side of the base 1. The outlet end of the filter assembly 6 is connected to the inlet end of the measuring tube assembly 2 through the inlet pipe 7. The filter assembly 6 includes an observation window 8 installed on one side of its outer wall.
[0035] The arrangement of the filter assembly 6, the measuring tube assembly 2, the housing 5, and the base 1 is all prior art. The liquid is filtered through the filter assembly 6, and then enters the liquid inlet end of the measuring tube assembly 2 through the inlet pipe 7. The flow rate is then measured and displayed through the measuring tube assembly 2. The liquid is then discharged through the outlet pipe 4. The measuring tube assembly 2 in the prior art mainly includes a transparent tube, a float set inside the transparent tube, and scales sprayed on the outside of the transparent tube. Its specific structure is prior art, so it will not be described again.
[0036] The protective sheet 9 is slidably connected to the side wall of the base 1 near the observation port 3, and the protective sheet 9 can close the observation port 3. The protective sheet 9 is transparent and is positioned on the base 1 by the positioning component. The side of the protective sheet 9 away from the outer shell 5 is flush with the observation window 8.
[0037] The bottom inner wall of the observation port 3 is provided with a slot 10 for inserting the protective plate 9. The lower end of the protective plate 9 is inserted into the slot 10. The top of the base 1 is provided with a placement groove 11 that communicates with the observation port 3. The top of the protective plate 9 is fixed with a mounting block 12. The mounting block 12 is inserted into the placement groove 11. The top of the mounting block 12 has an opening. The top of the mounting block 12 protrudes from the top surface of the base 1, and the opening is located above the base 1, which makes it convenient for people to insert and remove the protective plate 9.
[0038] When inserting the protective sheet 9, insert the protective sheet 9 into the placement slot 11, then close the observation port 3, and finally insert the lower end of the protective sheet 9 into the slot 10;
[0039] The positioning component includes symmetrically opened column holes 13 on the inner wall of the placement groove 11. A first spring 14 is fixed to the inner wall of the column hole 13. A ball 15 is fixed to one end of the first spring 14 near the mounting block 12. A ball groove 16 is opened on the outer wall of the mounting block 12 corresponding to the position of the ball 15. One side of the ball 15 extends beyond the column hole 13 into the placement groove 11 and engages with the ball groove 16.
[0040] After insertion, the ball groove 16 on the mounting block 12 on the protective plate is aligned with the ball 15, and the ball 15 is pressed into the ball groove 16 by the first spring 14, thus completing the positioning and installation of the protective plate 9.
[0041] The installation of the protective plate 9 is completed by using a snap-on method, which facilitates the replacement of the protective plate 9. That is, if the protective plate 9 is cracked or scratched, it can be easily replaced, reducing the impact on the degree.
[0042] The wiping assembly is installed on the outer wall of the base 1 away from the filter assembly 6. The wiping assembly is used to wipe away dust and dirt on the protective sheet 9 and the observation window 8. The wiping assembly includes a storage shell 17 fixed on the side of the base 1 away from the filter assembly 6. The lower end of the inner wall of the storage shell 17 is rotatably connected to the rotating shaft 21 through a bearing. The middle of the rotating shaft 21 is fixed with a rotating plate 18. The side of the rotating plate 18 near the base 1 is fixed with bristles 19. The outer wall of the storage shell 17 is fixed with a motor 20. The output end of the motor 20 is fixed to one end of the rotating shaft 21.
[0043] According to the settings, the controller periodically controls the motor 20 to rotate, which drives the rotating plate 18 to rotate, so that the brush bristles 19 wipe the protective plate 9 and the observation window 8, achieving an automatic cleaning effect, ensuring that the observation effect is always at its best, and reducing the impact of the degree.
[0044] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A filter-type glass rotor flowmeter, characterized in that, include: A base (1) is provided, inside which a measuring tube assembly (2) is installed. An observation port (3) is formed on the outer wall of the base (1) in front of the measuring tube assembly (2). An outflow pipe (4) is fixed on the top of the base (1). The liquid outlet end of the measuring tube assembly (2) is connected to the outflow pipe (4). The outer shell (5) is fixed to the outer wall of the base (1), and the measuring tube assembly (2) is wrapped in the cavity formed by the outer shell (5) and the base (1); The filter assembly (6) is located on one side of the base (1). The outlet end of the filter assembly (6) is connected to the inlet end of the measuring tube assembly (2) through the inlet pipe (7). The filter assembly (6) includes an observation window (8) installed on one side of its outer wall. The protective sheet (9) is slidably connected to the side wall of the base (1) near the observation port (3), and the protective sheet (9) can close the observation port (3). The protective sheet (9) is transparent. The protective sheet (9) is positioned on the base (1) by the positioning component. The side of the protective sheet (9) away from the outer shell (5) is flush with the observation window (8). A wiping assembly is installed on the outer wall of the base (1) away from the filter assembly (6). The wiping assembly is used to wipe away dust and dirt on the protective sheet (9) and the observation window (8).
2. The filter-type glass rotor flowmeter according to claim 1, characterized in that: The bottom inner wall of the observation port (3) is provided with a slot (10) for inserting a protective plate (9). The lower end of the protective plate (9) is inserted into the slot (10). The top of the base (1) is provided with a placement groove (11) that communicates with the observation port (3). The top of the protective plate (9) is fixed with a mounting block (12), and the mounting block (12) is inserted into the placement groove (11).
3. The filter-type glass rotor flowmeter according to claim 2, characterized in that: The positioning component includes symmetrically formed column holes (13) on the inner wall of the placement groove (11). A first spring (14) is fixed to the inner wall of the column hole (13). A ball (15) is fixed to one end of the first spring (14) near the mounting block (12). A ball groove (16) is formed on the outer wall of the mounting block (12) corresponding to the position of the ball (15). One side of the ball (15) extends beyond the column hole (13) into the placement groove (11) and engages with the ball groove (16).
4. A filter-type glass rotor flowmeter according to claim 3, characterized in that: The wiping assembly includes a storage shell (17) fixed on the side of the base (1) away from the filter assembly (6). The lower end of the inner wall of the storage shell (17) is rotatably connected to a rotating shaft (21) via a bearing. A rotating plate (18) is fixed in the middle of the rotating shaft (21). Brush bristles (19) are fixed on the side of the rotating plate (18) near the base (1). A motor (20) is fixed on the outer wall of the storage shell (17). The output end of the motor (20) is fixed to one end of the rotating shaft (21).
5. A filter-type glass rotor flowmeter according to claim 4, characterized in that: An opening is formed on the top of the mounting block (12).
6. A filter-type glass rotor flowmeter according to claim 5, characterized in that: The top of the mounting block (12) protrudes from the top surface of the base (1), and the opening is located above the base (1).
Citation Information
Patent Citations
Glass rotameter
CN218511805U