阅读说明：本技术 一种精密物位仪器仪表 (Precise material level instrument ) 是由 蔡金梅 于 2021-05-27 设计创作，主要内容包括：本发明公开了一种精密物位仪器仪表,其结构包括音叉基座、连接螺母、安装底座、叉子装置,音叉基座下端与连接螺母螺纹连接,并且安装底座设在音叉基座底部,粘性液体与导片机构发生接触,通过粘性液体推动连杆往上提升,这时滑动轴在导片机构外侧内部进行滑动,刮片与导片机构内侧表面进行紧密抵触,从而将导片机构内侧表面的粘性液体进行刮除,提高对导片机构表面粘性液体的去除,确保导片机构产生的振动,通过导向槽利于将传导片内侧表面粘附的液体往上进行导向排出,同时通过滑动球在传导片内部进行滑动,带动旋转杆进行转动,通过旋转杆外侧的叶片快速的将粘性液体从两个传导片之间排出,避免粘性液体堆积在两个传导片之间。(The invention discloses a precise material level instrument and meter, which structurally comprises a tuning fork base, a connecting nut, a mounting base and a fork device, wherein the lower end of the tuning fork base is in threaded connection with the connecting nut, the mounting base is arranged at the bottom of the tuning fork base, viscous liquid is in contact with a guide vane mechanism, a connecting rod is pushed to be lifted upwards through the viscous liquid, a sliding shaft slides inside the outer side of the guide vane mechanism at the moment, a scraping sheet is in tight contact with the inner side surface of the guide vane mechanism, so that the viscous liquid on the inner side surface of the guide vane mechanism is scraped, the removal of the viscous liquid on the surface of the guide vane mechanism is improved, the vibration generated by the guide vane mechanism is ensured, the liquid adhered on the inner side surface of the guide vane is guided upwards through a guide groove to be discharged, meanwhile, a rotating rod is driven to rotate through the sliding of a sliding ball inside the guide vane outside the rotating rod, and the viscous liquid is discharged from between the two guide vanes rapidly, viscous liquid is prevented from accumulating between the two conductive sheets.)

1. The utility model provides a precision level instrument and meter, its structure includes tuning fork base (1), coupling nut (2), installation base (3), fork device (4), tuning fork base (1) lower extreme and coupling nut (2) threaded connection to establish in tuning fork base (1) bottom installation base (3), installation base (3) lower extreme is equipped with fork device (4), its characterized in that:

fork device (4) include vibrating arm (41), gag lever post (42), prevent piling up mechanism (43), lead piece mechanism (44), install inside installation base (3) vibrating arm (41) upper end to gag lever post (42) adopt clearance fit to run through inside vibrating arm (41), vibrating arm (41) lower extreme and lead piece mechanism (44) outside are inside to be connected, and lead piece mechanism (44) lower extreme and install and prevent piling up mechanism (43).

2. The precision level instrument of claim 1, wherein: prevent piling up mechanism (43) including connecting telescopic machanism (431), guide arm (432), clearance mechanism (433), it installs in guide plate mechanism (44) lower extreme outside to connect telescopic machanism (431) slidable mounting to guide arm (432) adopt clearance fit to install inside clearance mechanism (433) lower extreme, clearance mechanism (433) are fixed mutually with connecting telescopic machanism (431), and clearance mechanism (433) outside terminal surface is inconsistent with guide plate mechanism (44) medial surface.

3. The precision level instrument of claim 2, wherein: the connection telescopic mechanism (431) comprises a sliding shaft (31a), a connecting rod (31b) and a corrugated plate (31c), the sliding shaft (31a) is arranged at the outer side end of the connecting rod (31b), the sliding shaft (31a) is installed at the outer side of the lower end of the guide piece mechanism (44) in a sliding mode, the corrugated plate (31c) is arranged at the middle end of the connecting rod (31b), and the connecting rod (31b) is fixed with the cleaning mechanism (433).

4. The precision level instrument of claim 2, wherein: the cleaning mechanism (433) comprises a lifting plate (33a), a torsion shaft (33b), a scraping piece (33c) and a sealing piece (33d), the front end of the lifting plate (33a) is fixed with the rear side surface of the connecting rod (31b), the interior of the lifting plate (33a) is hinged with the inner side end of the scraping piece (33c) through the torsion shaft (33b), the lower end of the sealing piece (33d) is fixedly installed in the outer side of the lifting plate (33a), and the upper end of the sealing piece (33d) is installed in the outer side lower end of the scraping piece (33c) in a clearance fit mode.

5. The precision level instrument of claim 1, wherein: the guide piece mechanism (44) comprises a guide piece (441), a guide groove (442), a telescopic hose (443) and a discharge mechanism (444), wherein the telescopic hose (443) is arranged inside the outer end of the guide piece (441), the lower end of the vibrating rod (41) is installed inside the outer end of the guide piece (441) in a clearance fit mode, the lower end of the vibrating rod (41) is fixed to the top of the telescopic hose (443), the guide groove (442) is embedded in the inner side end face of the guide piece (441), and the discharge mechanism (444) is installed inside the lower end of the guide piece (441) in a clearance fit mode.

6. The precision level instrument of claim 5, wherein: the discharge mechanism (444) comprises a rotating rod (44a), a sealing gasket (44b), a supporting rod (44c) and a sliding ball (44d), the rotating rod (44a) penetrates through the sealing gasket (44b) in a clearance fit mode, the sealing gasket (44b) is arranged on the lower end surface of the conducting sheet (441), one end of the supporting rod (44c) is welded on the outer side surface of the rotating rod (44a), the other end of the supporting rod (44c) is welded with the sliding ball (44d), and the sliding ball (44d) is installed inside the lower end of the conducting sheet (441) in a sliding mode.

Technical Field

The invention relates to the field of level instruments, in particular to a precision level instrument.

Background

The liquid level switch is mainly used for measuring and controlling the liquid level, a tuning fork on the vibrating tuning fork instrument is excited by a crystal to generate vibration, when the tuning fork is immersed by liquid, the vibration frequency changes, the frequency change is detected by an electronic circuit and outputs a switching value, the vibration tuning fork switch can be really free from the influences of flow, air bubbles, turbulence, foam, vibration, solid content, sticking, liquid characteristics and product change, however, when the vibrating tuning fork instrument measures the level of the liquid with viscosity, the viscous liquid is easy to be adhered on the fork at the lower end of the vibrating tuning fork instrument, thereby causing the materials between the forks which are connected together to be accumulated, reducing the vibration generated by the fork on the vibration tuning fork instrument, therefore, interference is caused to the level measurement of the viscous liquid, and the measurement accuracy of the vibrating tuning fork instrument on the level of the viscous liquid is reduced.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this accurate level instrument and meter, its structure includes tuning fork base, coupling nut, installation base, fork device, tuning fork base lower extreme and coupling nut threaded connection to the installation base is established in tuning fork base bottom, installation base lower extreme is equipped with the fork device, the fork device includes vibrating arm, gag lever post, prevents piling up mechanism, guide plate mechanism, the vibrating arm upper end is installed inside the installation base to the gag lever post adopts clearance fit to run through inside the vibrating arm, the vibrating arm lower extreme is connected with guide plate mechanism outside is inside, and guide plate mechanism lower extreme is installed and is prevented piling up the mechanism, vibrating arm and guide plate mechanism all are equipped with two, are bilateral symmetry structure to the gag lever post runs through the upper end between two vibrating arms.

As a further improvement of the invention, the accumulation preventing mechanism comprises a connecting telescopic mechanism, guide rods and cleaning mechanisms, wherein the connecting telescopic mechanism is slidably arranged at the outer side of the lower end of the guide sheet mechanism, the guide rods are arranged inside the lower end of the cleaning mechanism in a clearance fit mode, the cleaning mechanism is fixed with the connecting telescopic mechanism, the end face of the outer side of the cleaning mechanism is abutted against the end face of the inner side of the guide sheet mechanism, the connecting telescopic mechanism and the cleaning mechanisms are respectively provided with two cleaning mechanisms which are bilaterally symmetrical, the front end and the rear end of each cleaning mechanism are connected through the two connecting telescopic mechanisms, the two cleaning mechanisms are respectively positioned at the lower ends of the inner sides of the two guide sheet mechanisms, the number of the guide rods is three, and the guide rods are distributed between the two cleaning mechanisms at equal intervals.

As a further improvement of the invention, the connection telescopic mechanism comprises sliding shafts, connecting rods and corrugated plates, the sliding shafts are arranged at the outer side ends of the connecting rods and are slidably mounted at the outer sides of the lower ends of the guide sheet mechanisms, the corrugated plates are arranged at the middle ends of the connecting rods, the connecting rods are fixed with the cleaning mechanism, the number of the sliding shafts is two, the two sliding shafts are respectively arranged at the left end and the right end of the connecting rods, the two sliding shafts are slidably mounted on the inner parts of the outer side surfaces of the two guide sheet mechanisms, and the corrugated plates are made of rubber materials and have certain resilience.

As a further improvement of the invention, the cleaning mechanism comprises a lifting plate, a torsion shaft, a scraping plate and a sealing plate, wherein the front end of the lifting plate is fixed with the rear side surface of the connecting rod, the inner part of the lifting plate is hinged with the inner side end of the scraping plate through the torsion shaft, the lower end of the sealing plate is fixedly arranged in the outer side of the lifting plate, the upper end of the sealing plate is arranged in the lower end of the outer side of the scraping plate in a clearance fit manner, the torsion shaft, the scraping plate and the sealing plate are respectively provided with two parts, the scraping plate is arranged in an inclined angle, and the outer side of the sealing plate and the abutting end of the guide plate mechanism are in a fillet structure.

As a further improvement of the invention, the guide sheet mechanism comprises a guide sheet, a guide groove, a flexible hose and a discharge mechanism, wherein the flexible hose is arranged inside the outer side end of the guide sheet, the lower end of the vibrating rod is arranged inside the outer side end of the guide sheet in a clearance fit manner, the lower end of the vibrating rod is fixed with the top of the flexible hose, the guide groove is embedded in the inner side end surface of the guide sheet, the discharge mechanism is arranged inside the lower end of the guide sheet in a clearance fit manner, the flexible hose is of a corrugated structure and is made of rubber materials and has certain resilience, and the guide groove is of a semi-cylindrical groove structure and is provided with nine guide grooves which are uniformly distributed on the inner side surface of the guide sheet.

As a further improvement of the present invention, the discharging mechanism includes a rotating rod, a sealing gasket, a supporting rod, and a sliding ball, the rotating rod penetrates through the sealing gasket in a clearance fit manner, the sealing gasket is disposed on the surface of the lower end of the conducting strip, one end of the supporting rod is welded to the outer surface of the rotating rod, the other end of the supporting rod is welded to the sliding ball, the sliding ball is slidably mounted inside the lower end of the conducting strip, and four triangular prism blades are further disposed outside the rotating rod.

The invention has the beneficial effects that:

1. viscous liquid and guide piece mechanism take place the contact, promote the connecting rod through viscous liquid and up promote, at this moment the sliding shaft slides in guide piece mechanism outside inside, has driven the lifter plate and has up moved, and the doctor-bar closely contradicts with guide piece mechanism inside surface to strike off the viscous liquid of guide piece mechanism inside surface, improve the getting rid of guide piece mechanism surface viscous liquid, ensure the vibration that guide piece mechanism produced.

2. Do benefit to the liquid with conduction piece inside surface adhesion up through the guide way and lead to the discharge, slide in conduction piece inside through the sliding ball simultaneously, drive the rotary rod and rotate, discharge viscous liquid from between two conduction pieces through the blade in the rotary rod outside is quick, avoid viscous liquid to pile up between two conduction pieces.

Drawings

FIG. 1 is a schematic diagram of a precision level instrument according to the present invention.

Fig. 2 is a schematic perspective view of a fork device according to the present invention.

Fig. 3 is a schematic top view of an anti-stacking mechanism according to the present invention.

Fig. 4 is a schematic perspective view of a connecting telescopic mechanism according to the present invention.

FIG. 5 is a perspective view of the cleaning mechanism.

Fig. 6 is a schematic top view of a guide mechanism according to the present invention.

FIG. 7 is a side view of a guide mechanism and an enlarged view of a portion of an ejection mechanism according to the present invention.

In the figure: the tuning fork comprises a tuning fork base-1, a connecting nut-2, a mounting base-3, a fork device-4, a vibrating rod-41, a limiting rod-42, an anti-accumulation mechanism-43, a guide plate mechanism-44, a connecting telescopic mechanism-431, a guide rod-432, a cleaning mechanism-433, a sliding shaft-31 a, a connecting rod-31 b, a corrugated plate-31 c, a lifting plate-33 a, a torsion shaft-33 b, a scraping plate-33 c, a sealing plate-33 d, a conducting plate-441, a guide groove-442, a telescopic hose-443, a discharge mechanism-444, a rotating rod-44 a, a sealing gasket-44 b, a supporting rod-44 c and a sliding ball-44 d.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 5:

the invention relates to a precision level instrument, which structurally comprises a tuning fork base 1, a connecting nut 2, a mounting base 3 and a fork device 4, wherein the lower end of the tuning fork base 1 is in threaded connection with the connecting nut 2, the mounting base 3 is arranged at the bottom of the tuning fork base 1, the fork device 4 is arranged at the lower end of the mounting base 3, the fork device 4 comprises a vibrating rod 41, a limiting rod 42, an anti-accumulation mechanism 43 and a guide plate mechanism 44, the upper end of the vibrating rod 41 is arranged inside the mounting base 3, the limiting rod 42 penetrates through the vibrating rod 41 in a clearance fit mode, the lower end of the vibrating rod 41 is connected with the inside of the outer side of the guide plate mechanism 44, the lower end of the guide plate mechanism 44 is provided with the anti-accumulation mechanism 43, the vibrating rod 41 and the guide plate mechanism 44 are respectively provided with two parts and are in a bilaterally symmetrical structure, the limiting rod 42 penetrates through the upper end between the two vibrating rods 41, the guide vibration of the vibrating rod 41 is facilitated, and the vibrating rod 41 is prevented from being greatly deviated.

Wherein, the accumulation-preventing mechanism 43 comprises a connecting telescopic mechanism 431, a guide rod 432 and cleaning mechanisms 433, the connecting telescopic mechanism 431 is slidably mounted at the outer side of the lower end of the guide sheet mechanism 44, the guide rod 432 is mounted inside the lower end of the cleaning mechanism 433 in a clearance fit manner, the cleaning mechanisms 433 are fixed with the connecting telescopic mechanism 431, the outer end surface of the cleaning mechanism 433 is abutted against the inner end surface of the guide sheet mechanism 44, the connecting telescopic mechanism 431 and the cleaning mechanisms 433 are respectively provided with two, the two cleaning mechanisms 433 are bilaterally symmetrical, the front end and the rear end of each cleaning mechanism 433 are connected through the two connecting telescopic mechanisms 431, the two cleaning mechanisms 433 are respectively positioned at the inner lower ends of the two guide sheet mechanisms 44, the inner side surfaces of the two guide sheet mechanisms 44 are cleaned conveniently, the accumulation of viscous liquid between the two guide sheet mechanisms 44 is reduced, and the number of the guide rods 432 is three, the equidistance distributes between two clearance mechanisms 433, does benefit to and carries out horizontal direction removal to two clearance mechanisms 433 when producing the vibration, improves the interference on clearance mechanism 433 and guide piece mechanism 44 surface.

Wherein, the connecting telescopic mechanism 431 comprises a sliding shaft 31a, a connecting rod 31b and a corrugated plate 31c, the sliding shaft 31a is arranged at the outer end of the connecting rod 31b, and the sliding shaft 31a is installed outside the lower end of the guide vane mechanism 44 in a sliding way, the middle end of the connecting rod 31b is provided with a corrugated plate 31c, the connecting rod 31b is fixed with the cleaning mechanism 433, the two sliding shafts 31a are arranged at the left end and the right end of the connecting rod 31b respectively, while the two sliding shafts 31a are slidably mounted on the inner portions of the outer side surfaces of the two vane guide mechanisms 44, the sliding shafts 31a ensure smooth up-and-down sliding of the connecting rods 31b on the outer side surfaces of the vane guide mechanisms 44, the corrugated plate 31c is made of rubber, has certain resilience, and can adjust the length of the connecting rod 31b, so that the connecting rod 31b can normally and stably slide on the guide sheet mechanisms 44 when the two guide sheet mechanisms 44 vibrate.

The cleaning mechanism 433 comprises a lifting plate 33a, a torsion shaft 33b, a scraping blade 33c and a sealing sheet 33d, wherein the front end of the lifting plate 33a is fixed to the rear side surface of the connecting rod 31b, the interior of the lifting plate 33a is hinged to the inner side end of the scraping blade 33c through the torsion shaft 33b, the lower end of the sealing sheet 33d is fixedly installed inside the outer side of the lifting plate 33a, the upper end of the sealing sheet 33d is installed inside the outer side lower end of the scraping blade 33c in a clearance fit mode, the torsion shaft 33b, the scraping blade 33c and the sealing sheet 33d are all provided in two numbers, the scraping blade 33c is installed in an inclined angle mode, meanwhile, the abutting end of the outer side and the guide sheet mechanism 44 is in a rounded structure, liquid adhered to the surface of the guide sheet mechanism 44 is scraped, and meanwhile, the surface of the guide sheet mechanism 44 is not scratched.

The specific use mode and function of the embodiment are as follows:

in the invention, the mounting base 3 is fixedly mounted on a container for placing viscous liquid through the connecting nut 2, the vibration is generated through the excitation of a crystal in the tuning fork base 1, so that the vibration is transmitted to the vibrating rod 41, the vibrating rod 41 is prevented from generating large position deviation through the transverse guiding of the limiting rod 42, when the level measurement of the viscous liquid is carried out, the viscous liquid is contacted with the guide vane mechanism 44, when the viscous liquid is contacted, the connecting rod 31b is pushed to be lifted upwards through the viscous liquid, at the moment, the sliding shaft 31a slides in the outer side of the guide vane mechanism 44, and meanwhile, the folding plate 31c generates certain distance folding, so that the connecting rod 31b can be ensured to be smoothly moved upwards on the guide vane mechanism 44, the lifting plate 33a is driven to move upwards, and the scraping blade 33c is ensured to be tightly contacted with the inner side surface of the guide vane mechanism 44 through the torsion rotation of the torsion shaft 33b, therefore, viscous liquid on the inner side surface of the guide sheet mechanism 44 is scraped, accumulation of the viscous liquid between the two guide sheet mechanisms 44 is avoided, a gap between the scraping sheet 33c and the lifting plate 33a is sealed through the sealing sheet 33d, the viscous liquid is prevented from entering the gap, normal angle adjustment of the scraping sheet 33c is ensured, removal of the viscous liquid on the surface of the guide sheet mechanism 44 is improved, and vibration generated by the guide sheet mechanism 44 is ensured.

Example 2:

as shown in fig. 6 to 7:

wherein the guide blade mechanism 44 comprises a conductive blade 441, a guide groove 442, a flexible hose 443, and a discharge mechanism 444, the flexible hose 443 is disposed inside the outer end of the conductive blade 441, the lower end of the vibration rod 41 is installed inside the outer end of the conduction piece 441 in a clearance fit manner, the lower end of the vibration rod 41 is fixed with the top of the flexible hose 443, the inner end surface of the conduction piece 441 is embedded with the guide groove 442, and the discharging mechanism 444 is installed inside the lower end of the conductive sheet 441 in a clearance fit manner, the flexible hose 443 is of a corrugated structure, and is made of rubber, has certain resilience, is beneficial to transmitting the vibration generated by the vibrating rod 41 to the surface of the conducting piece 441, the guide groove 442 is of a semi-cylindrical groove structure, and nine guide grooves are uniformly distributed on the inner side surface of the conductive sheet 441, so that viscous liquid can slide upwards on the inner side surface of the conductive sheet 441, and the adhesion of the viscous liquid to the inner side surface of the conductive sheet 441 is reduced.

The discharging mechanism 444 comprises a rotating rod 44a, a sealing gasket 44b, a supporting rod 44c and a sliding ball 44d, wherein the rotating rod 44a penetrates through the sealing gasket 44b in a clearance fit manner, the sealing gasket 44b is arranged on the lower end surface of the conducting strip 441, one end of the supporting rod 44c is welded on the outer side surface of the rotating rod 44a, the other end of the supporting rod 44c is welded with the sliding ball 44d, the sliding ball 44d is slidably arranged inside the lower end of the conducting strip 441, four triangular prism blades are further arranged on the outer side of the rotating rod 44a, and viscous liquid accumulated at the lower end of the joint of the two conducting strips 441 is rapidly discharged by the blades through the rotation of the rotating rod 44 a.

The specific use mode and function of the embodiment are as follows:

in the present invention, the vibration rod 41 transmits the generated vibration to the conductive sheet 441, and the connection of the flexible hose 443 ensures that the conductive sheet 441 normally vibrates, and the vibration frequency of the conductive sheet 441 changes during the vibration of the conductive sheet 441 in the viscous liquid, so as to transmit data to the tuning fork base 1 for liquid level measurement, and after the measurement is completed, the liquid adhered to the inner surface of the conductive sheet 441 is guided upwards through the guide groove 442 to be discharged, and simultaneously, the sliding ball 44d slides in the conductive sheet 441 to drive the rotating rod 44a to rotate, and the viscous liquid is rapidly discharged from between the two conductive sheets 441 through the blade on the outer side of the rotating rod 44a, so as to prevent the viscous liquid from accumulating between the two conductive sheets 441.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.