CN214173496U

CN214173496U - Oil level alarm device for oil-filled pressure gauge

Info

Publication number: CN214173496U
Application number: CN202120024070.6U
Authority: CN
Inventors: 白凌齐; 张晓臣; 居法立; 周斌; 王召永; 郭明; 余梦远
Original assignee: Sanmen Nuclear Power Co Ltd
Current assignee: Sanmen Nuclear Power Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-10
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to a manometer technical field especially relates to an oil level alarm device for oil charge manometer. It is including placing the float module in the oil charge manometer, the transmission module of being connected with the float module, and by the alarm module of transmission module trigger warning, its characterized in that: the transmission module comprises an upper component and a lower component which are detachably connected with each other, the upper component comprises an upper connecting rod with one end connected with the lower component, the other end is used for triggering the alarm module, the lower component comprises a lower connecting rod with one end penetrating through an oil filling pressure gauge and extending into the oil filling pressure gauge to be connected with the floater module, the other end is connected with the upper connecting rod, and the lower connecting rod is provided with an oil filling hole communicated with the inside of the oil filling pressure gauge. The utility model discloses an in the oil charge manometer was arranged in to the float module in the design, realized the monitoring to oil charge manometer interior oil level, the transmission module that is connected with the float module through the design simultaneously, and the alarm module who triggers the formula reaches low oil level warning function.

Description

Oil level alarm device for oil-filled pressure gauge

Technical Field

The utility model relates to a manometer technical field especially relates to an oil level alarm device for oil charge manometer.

Background

In the industrial production process and scientific research fields, pressure monitoring of equipment, media and the like is indispensable, and pressure gauges are widely applied in factories. In the practical application process, the pressure gauge pointer in the vibration environment fluctuates frequently, when the pressure is increased instantly, the pressure gauge is damaged, at the moment, silicone oil needs to be filled into the pressure gauge, the influence of the pointer on the zero position when the relative change amplitude of the pressure is large is reduced, the sensitivity of the pressure gauge is ensured, and meanwhile, the fluctuation of the pointer of the pressure gauge is relatively gentle. In the practical use process, the oil level in the pressure gauge needs not to be lower than three-fourths of the diameter of the dial plate to play a role in buffering, but due to the problems of sealing and the like, silicone oil in the pressure gauge leaks or evaporates, so that the oil level in the pressure gauge is reduced, and the buffering effect cannot be played. Meanwhile, due to the reasons that the lighting of the use environment is poor, the installation position of the pressure gauge is special, the transparency of silicone oil is high and the like, when the oil level is not in accordance with the requirements, inspection personnel cannot find and charge the oil in time, and in the past, the vibration can cause irreversible influence on the pressure gauge, so that the pressure monitoring is abnormal.

In order to solve the above problems, patent document CN201420769395.7 discloses an automatic oil level alarm cursor, which comprises a cavity connected to an oil tank, a housing, a connecting rod base, a fastening nut, and an upper cover. The switch power supply is formed by serially connecting 4 sections of 1.5V button batteries and is placed inside an upper cover fastening nut, a power line and a photoelectric tube are respectively poured in a plastic connecting rod, the positive pole and the negative pole of the switch power supply are respectively connected with an LED alarm indicating lamp through the power line, an annular magnet is arranged on the outer wall of the plastic connecting rod between an upper oil level scale mark and a lower oil level alarm scale mark, an upper reed and a lower reed in a dry reed tube are in an open state, when a float switch is lowered to a low oil level alarm indicating scale along with the oil level, the upper reed and the lower reed of the dry reed tube attract each other under the action of a magnetic field of the annular magnet, the switch power supply is switched on, and the LED alarm indicating lamp gives out light and alarms. The automatic oil level alarm vernier is mainly used for monitoring the oil level in an oil tank, has a large volume and cannot be used for monitoring the oil level in an oil-filled pressure gauge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem, provide an oil level alarm device for oil charge manometer that can solve in the current manometer oil level and cross low-time nothing warning problem.

The utility model provides a technical scheme of problem provide an oil level alarm device for oil charge manometer, including placing the float module that can change the float along with the inside oil level of oil charge manometer in the oil charge manometer, with the transmission module that the float module is connected, and by the alarm module that the transmission module triggered the warning, the transmission module includes upper portion subassembly and the lower part subassembly of mutual detachable connection, the upper portion subassembly include one end with the lower part subassembly is connected, and the other end is used for triggering alarm module's last connecting rod, the lower part subassembly includes that one end is passed oil charge manometer's oiling mouth extend into in the oil charge manometer with the float module is connected, the other end with the lower connecting rod that the connecting rod is connected, the lower connecting rod be equipped with the oil filler point of the inside intercommunication of oil charge manometer.

The utility model discloses with upper portion subassembly and the lower part subassembly of transmission module design for mutual detachable connection, be convenient for installation and dismantlement. Meanwhile, the oil filling hole is designed at the lower connecting rod, so that oil can be directly filled through the oil filling hole of the lower connecting rod when the oil-filled pressure gauge needs to be filled with oil, the floater module does not need to be taken out of the oil-filled pressure gauge, and the floater module is prevented from being deformed due to repeated disassembly and assembly extrusion.

As the utility model discloses preferably, lower connecting rod with it is equipped with spacing hole to go up the connecting rod and connect outside vertical direction, spacing hole department is equipped with stop screw, when needs oiling, can with pull down the upper connecting rod again after the stop screw part is unscrewed, stop screw is unscrewed the part and is formed protrudingly, can play limiting displacement, prevents down inside the connecting rod slips into the oil charge manometer.

As the utility model discloses preferably, the lower connecting rod extends into oil charge manometer one end is equipped with the connection piece, the float module is including arranging in float in the oil charge manometer and the wire of connecting float and connection piece.

In order to avoid when float module moves part work production interference in the oil charge manometer, as the utility model discloses preferentially, the wire is the arc, can follow oil charge manometer shell circumferencial direction and place, and the wire both ends are arranged in to the float, keep away from oil charge manometer center pointer department, the connection piece is cuboid form sheetmetal, the wire is for keeping away from oil charge manometer dial plate one end with the connection piece junction.

In order to reduce the resistance of transmission module motion in-process, as the utility model discloses preferably, the lower part subassembly is still established including the cover the outside axle sleeve of lower connecting rod, lower connecting rod and axle sleeve clearance fit can fluctuate in the axle sleeve.

In order to avoid the oil leakage in the oil charge manometer, as the utility model discloses preferably, the lower part subassembly is still including being used for sealed oiling mouth and accepting the jam of axle sleeve.

As the utility model discloses preferably, the upper portion subassembly is still including being used for triggering alarm module's actuation magnet, it is close to go up the connecting rod alarm module one end is equipped with spacing arch, actuation magnet is arranged in spacing protruding department.

As the utility model discloses preferably, alarm module includes the alarm switch subassembly, the alarm switch subassembly includes the fixed terminal with circuit connection, and one end passes through the spring and is connected with the fixed part, and the other end is equipped with the action terminal of warning magnet, warning magnet can with the connection is inhaled to actuation magnet magnetism.

As the utility model discloses preferably, an oil level alarm device for oil charge manometer still includes with the dustcoat of the upper portion subassembly cladding of alarm module and transmission module in, the dustcoat lower extreme cladding is in the oiling mouth.

Because the oil charge manometer oil level of diameter variation in size descends to the dial plate diameter three fourths the time vertical direction descends highly different, leads to actuation magnet moves extremely the action height difference of warning magnet department, in order to adapt to the oil charge manometer of different models, as the utility model discloses preferably, the dustcoat top is equipped with adjust knob, the inside limit stop that is equipped with of dustcoat, adjust knob with limit stop connects through the screw rod, the dustcoat be equipped with screw rod threaded connection's screw hole, in the dustcoat limit stop with go up the connecting rod but limit bulge combined action finely tunes actuation height. When the diameter of the oil-filled pressure gauge is larger, the adjusting knob part can be screwed out, the limit stop and the limit bulge are close to the top of the outer cover, and the action height of the attraction magnet at the limit bulge of the upper connecting rod is increased; when the diameter of the oil-filled pressure gauge is smaller, the adjusting knob can be partially screwed in, the limit stop and the limit bulge are away from the top of the outer cover, and the action height of the attraction magnet at the limit bulge of the upper connecting rod is reduced.

The utility model has the advantages that:

1. the utility model discloses an in the oil charge manometer was arranged in to the float module in the design, realized the monitoring to oil charge manometer interior oil level, the transmission module that is connected with the float module through the design simultaneously, and the alarm module who triggers the formula reaches low oil level warning function.

2. The utility model relates to a down the oil filler point of connecting rod and go up the connecting rod and be connected with dismantling of connecting rod down, make the oil charge manometer need not to demolish whole device completely when the oil charge, it is more convenient to operate.

3. The utility model discloses a spacing protruding of limit stop and last connecting rod department in the design dustcoat makes accessible adjust knob adjust actuation magnet action height, the oil charge manometer of adaptable different diameters.

Drawings

FIG. 1 is a schematic structural view of an oil level alarm device for an oil-filled pressure gauge

FIG. 2 is a schematic diagram of a transfer module structure

FIG. 3 is a schematic diagram of an alarm module

FIG. 4 is a schematic view of the housing structure

In the figure: the oil-filled pressure gauge comprises an oil-filled pressure gauge 1, an oil filling nozzle 11, a floater module 2, a floater 21, a metal wire 22, a transmission module 3, an upper component 31, an upper connecting rod 311, a limiting protrusion 3111, an attraction magnet 312, a lower component 32, a lower connecting rod 321, an oil filling hole 3211, a limiting hole 3212, a limiting screw 322, a connecting sheet 323, a shaft sleeve 324, a plug 325, an alarm module 4, an alarm switch component 41, a fixed terminal 411, a spring 412, an alarm magnet 413, an action terminal 414, an outer cover 5, a threaded hole 51, an adjusting knob 6, a limiting stopper 7, a screw 8, a light-emitting diode 9 and a button cell 10.

Detailed Description

The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

An oil level alarm device for an oil-filled pressure gauge, as shown in figures 1 and 2, comprises a float module 2 which is arranged in the oil-filled pressure gauge 1 and can float along with the change of the oil level in the oil-filled pressure gauge 1, a transmission module 3 connected with the floater module 2, and an alarm module 4 triggered by the transmission module 3 to give an alarm, the transfer module 3 comprises an upper assembly 31 and a lower assembly 32 detachably connected to each other, the upper assembly 31 includes an upper link 311 having one end connected to the lower assembly 32 and the other end for triggering the alarm module 4, the lower assembly 32 comprises a lower connecting rod 321, one end of which passes through the oil nozzle 11 of the oil-filled pressure gauge 1 and extends into the oil-filled pressure gauge 1 to be connected with the floater module 2, the other end of which is connected with the upper connecting rod 311, the lower connecting rod 321 is provided with an oil filling hole 3211 communicated with the interior of the oil filling pressure gauge 1.

In this embodiment, the upper connecting rod 311 and the lower connecting rod 321 are cylinders made of metal and have the same diameter, a stud is arranged at one end of the upper connecting rod 311 connected with the lower connecting rod 321, a threaded hole is arranged at one end of the lower connecting rod 321 connected with the upper connecting rod 311, an oil filling hole 3211 is arranged below the threaded hole, one end of the oil filling hole 3211 is communicated with the threaded hole, the other end of the oil filling hole is communicated with the inside of the oil filling pressure gauge 1, and the upper connecting rod 311 and the lower connecting rod 321 are connected with the threaded hole through the stud.

As shown in fig. 1, a connecting sheet 323 is arranged at one end of the lower connecting rod 321 extending into the oil-filled pressure gauge 1, the float module 2 includes a float 21 disposed in the oil-filled pressure gauge 1 and a metal wire 22 connecting the float 21 and the connecting sheet 323, in this embodiment, the float 21 is rectangular, is made of polyurethane foam, can be extruded and deformed to pass through the oil filling nozzle 11, has a density less than that of silicone oil, and can float on the surface of the silicone oil; the metal wire 22 is an elastic metal wire, is bent into an arc shape and is arranged along the circumferential direction of the shell of the oil-filled pressure gauge 1, the floats 21 are arranged at two ends of the metal wire 22 and are far away from the central pointer of the oil-filled pressure gauge 1, the connecting sheet 323 is a cuboid metal sheet, and the metal wire 22 is connected with the connecting sheet 323 in a welding mode.

As shown in fig. 3, a limiting hole 3212 is disposed in a vertical direction of an outer side of the connection between the lower connecting rod 321 and the upper connecting rod 311, and a limiting screw 322 is disposed in the limiting hole 3212, in this embodiment, the limiting hole 3212 is located in a vertical direction of a side surface of a middle portion of a threaded hole of the lower connecting rod 321, the limiting screw 322 can be screwed into the limiting hole 3212, when oil is required to be injected, the upper connecting rod 311 can be detached after the limiting screw 322 is partially screwed out, and the screwed-out portion of the limiting screw 322 forms a protrusion, which can limit the lower connecting rod 321 from sliding into the oil-filled pressure gauge 1.

As shown in fig. 2, the lower assembly 32 further includes a shaft sleeve 324 sleeved outside the lower connecting rod 321, and a plug 325 for sealing the oil nozzle 11, in this embodiment, the lower connecting rod 321 is in clearance fit with the shaft sleeve 324 and can float up and down in the shaft sleeve 324, the plug 325 is made of nitrile rubber and is cylindrical, one end of the plug is inserted into the oil nozzle 11, the other end of the plug is provided with a boss with a groove, and the shaft sleeve 324 is placed in the boss groove of the plug 325.

In addition, the upper component 31 further includes an attracting magnet 312 for triggering the alarm module 4, a limiting protrusion 3111 is disposed at one end of the upper link 311 close to the alarm module 4, the attracting magnet 312 is disposed at the limiting protrusion 3111, in this embodiment, the attracting magnet 312 is a cylindrical permanent magnet, and the limiting protrusion 3111 is cylindrical.

As shown in fig. 4, the alarm module 4 includes an alarm switch component 41, the alarm switch component 41 includes a fixed terminal 411 connected to a circuit, and an action terminal 414 having an alarm magnet 413 at one end thereof connected to a fixed portion via a spring 412 and at the other end thereof connected to the attraction magnet 312 via a magnetic attraction, in this embodiment, the circuit is formed by connecting a light emitting diode 9, a 6V button cell 10 and the alarm switch component 41, the fixed terminal 411 and the action terminal 414 are made of rectangular copper sheets, the fixed terminal 411 is connected to a lead at both ends thereof and is disconnected at the middle thereof, the action terminal is located right behind the disconnection of the fixed terminal 411, one end thereof is fixed to the housing 5 via the spring 412, the alarm magnet 413 is glued to the other end thereof, when the attraction magnet 312 moves to the disconnection of the fixed terminal 411, the alarm magnet 413 is connected to the attraction magnet 312 via a magnetic attraction, the driving terminal 414 is connected to the fixed terminal 411, the circuit is conducted, the light emitting diode 9 is lighted up, and a warning is sent out.

As shown in fig. 1-4, the upper components 31 of the alarm module 4 and the transmission module 3 are wrapped in the outer cover 5, the lower end of the outer cover 5 wraps the oil nozzle 11, the top of the outer cover 5 is provided with an adjusting knob 6, a limit stop 7 is arranged inside the outer cover 5, the adjusting knob 6 is connected with the limit stop 7 through a screw 8, and the outer cover 5 is provided with a threaded hole 51 which is in threaded connection with the screw 8. In this embodiment, there is the annular knurl in adjust knob 6 periphery, increase frictional force, the operation of being convenient for, cover 5 adopts the stereoplasm material, plays the effect of protection internal components, there is the reducing in the middle part of cover 5, the thinner pipe diameter in lower part for through transmission module 3, upper portion broad position is used for fixing alarm module 4's circuit and spring 412, including the upper assembly 31 cladding with alarm module 4 and transmission module 3 simultaneously, 5 lower extreme cladding nozzle 11 departments of cover are equipped with the chamfer, avoid relapseing the dismouting in-process, and cutting wearing and tearing oil filler hole blocks up.

In the embodiment, during installation, the original blockage at the oil filling nozzle 11 of the oil-filled pressure gauge 1 is firstly removed, the metal wire 22 is squeezed to install the floater 21 and the metal wire 22 into one side of the oil-filled pressure gauge 1 close to the back shell, and at the moment, the lower connecting rod 321 is held to avoid sliding into the oil-filled pressure gauge; then, the upper connecting rod 311 is screwed into the lower connecting rod 321, the plug 325 and the shaft sleeve 324 sequentially slide into the lower connecting rod 321 from the upper connecting rod 311, the plug 325 is plugged into the oil filling nozzle 11 of the oil-filled pressure gauge 1, finally, the alarm module 4 is installed at the thicker part of the upper part of the outer cover 5, the outer cover 5 is sleeved above the oil filling nozzle 11 of the oil-filled pressure gauge 1, the thinner part of the lower part of the outer cover 5 is clamped on the plug 325, and the chamfer of the lower part of the outer cover 5 is tightly attached to the shell of the oil-filled pressure gauge.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an oil level alarm device for oil charge manometer, including place float module (2) that can float along with the inside oil level change of oil charge manometer (1) in oil charge manometer (1), with transfer module (3) that float module (2) are connected, and by transfer module (3) trigger alarm module (4) of reporting to the police, its characterized in that: transmission module (3) upper portion subassembly (31) and lower part subassembly (32) including mutual detachable connection, upper portion subassembly (31) include one end with lower part subassembly (32) are connected, and the other end is used for triggering alarm module's last connecting rod (311), lower part subassembly (32) include that one end passes oil filling pressure gauge (1) oiling mouth (11) extend into in oil filling pressure gauge (1) with float module (2) are connected, the other end with lower connecting rod (321) that last connecting rod (311) are connected, lower connecting rod (321) be equipped with oil filler hole (3211) of the inside intercommunication of oil filling pressure gauge (1).

2. The oil level alarm device for an oil-filled pressure gauge according to claim 1, wherein: the side face of the connection part of the lower connecting rod (321) and the upper connecting rod (311) is provided with a limiting hole (3212) in the vertical direction, and the limiting hole (3212) is provided with a limiting screw (322).

3. The oil level alarm device for an oil-filled pressure gauge according to claim 1, wherein: one end of the lower connecting rod (321) inserted into the oil filling nozzle (11) is provided with a connecting sheet (323), and the floater module (2) comprises a floater (21) arranged in the oil filling pressure gauge (1) and a metal wire (22) connected with the floater (21) and the connecting sheet (323).

4. The oil level alarm device for an oil-filled pressure gauge according to claim 1, wherein: the lower component (32) further comprises a shaft sleeve (324) sleeved outside the lower connecting rod (321) and a plug (325) used for sealing the oil nozzle (11), and the shaft sleeve (324) is arranged in the plug (325).

5. The oil level alarm device for an oil-filled pressure gauge according to claim 1, wherein:

upper portion subassembly (31) still including being used for triggering the actuation magnet (312) of alarm module (4), go up connecting rod (311) and be close to alarm module (4) one end is equipped with spacing arch (3111), actuation magnet (312) are arranged in spacing arch (3111) department.

6. The oil level alarm device for an oil-filled pressure gauge according to claim 5, wherein: alarm module (4) are including alarm switch subassembly (41), alarm switch subassembly (41) include with circuit connection's fixed terminal (411), and one end passes through spring (412) and is connected with the fixed part, and the other end is equipped with action terminal (414) of warning magnet (413), warning magnet (413) can with actuation magnet (312) magnetism is inhaled and is connected.

7. The oil level alarm device for an oil-filled pressure gauge according to claim 1, wherein: the oil injection nozzle is characterized by further comprising a cover (5) which covers the alarm module (4) and the upper component (31) of the transmission module (3), and the lower end of the cover (5) covers the oil injection nozzle (11).

8. The oil level alarm device for an oil-filled pressure gauge according to claim 7, wherein: the adjustable screw cap is characterized in that an adjusting knob (6) is arranged at the top of the outer cover (5), a limit stop (7) is arranged inside the outer cover (5), the adjusting knob (6) is connected with the limit stop (7) through a screw rod (8), and the outer cover (5) is provided with a threaded hole (51) connected with the screw rod (8) in a threaded manner.