CN116086690A - Oil-filled pressure gauge - Google Patents

Abstract

The invention relates to the technical field of pressure gauges, in particular to an oil-filled pressure gauge which comprises a shell, wherein the bottom of the shell is connected with a pressure guide assembly, the bottom of the pressure guide assembly is connected with a fixing assembly, and the inside of the shell is connected with a number indicating device. This oil-filled manometer, the transparent arc outer lane that sets up is the table glass outer lane, be convenient for observe the pointer scale, utilize the precision number of calibrated scale one to be greater than the precision number of calibrated scale two, be convenient for observe the manometer, fix transmission axostylus axostyle and pointer through the fixed plate groove, utilize the pointer to act on calibrated scale one and calibrated scale two, and utilize the inside gear drive of shell to drive the pointer and rotate on calibrated scale one and calibrated scale two, act on the damping fluid, and can survey gas, the average value of liquid pulsation pressure, realize with overcoming medium intense pulse and environmental shock and bring the harm to the instrument, ensure the accuracy of reading.

Description

Oil-filled pressure gauge

Technical Field

The invention relates to the technical field of pressure gauges, in particular to an oil-filled pressure gauge.

Background

The pressure gauge is characterized in that an elastic element is used as a sensitive element, the pressure gauge is an instrument for measuring and indicating pressure higher than the ambient pressure, the pressure gauge is very popular in application and almost extends to all industrial processes and scientific research fields, the pressure gauge is used for displaying the pressure by transmitting the pressure deformation to a pointer through the elastic deformation of the sensitive element in the gauge and then the pointer is caused to rotate by a conversion mechanism of a movement in the gauge. The oil-filled pressure gauge is suitable for measuring places with strong medium pulsation and larger environmental vibration by filling oil into the gauge body and reducing pointer shake by utilizing liquid damping; the oil-filled pressure gauge is widely applied to pressure measurement in industries such as petroleum, chemical industry, metallurgy, food, medicine and the like.

At present, the manometer on the market, because the diaphragm is flaky, its elastic recovery performance is relatively poor, leads to measuring accuracy lower, and flaky diaphragm is fragile, because the chemical plant can use the liquid that has strong corruption in the in-process of processing, when carrying out pedestal mounting to the manometer, the gap that the installation produced easily leads to sealed effect poor, and when the liquid that has strong corruption gets into these gaps, can lead to measuring error, has not satisfied user's demand.

As disclosed in the national patent CN110389004B, a fluid to be measured can push the plug from the vent hole of the housing, so that the plug drives the pointer to rotate via the gear assembly, thereby indicating the pressure value of the fluid. The pressure gauge of the invention reflects the pressure value of the fluid with pressure to be measured through the linear distance of the plug after being pushed, so that the pressure value range which can be measured by the pressure gauge can be easily mastered only by selecting an elastic piece with proper elastic coefficient, and the purpose of accurately measuring the pressure value of the fluid is achieved.

However, the oil-filled pressure gauge needs to be realized to overcome the damage to the gauge caused by strong medium pulse and environmental vibration, and ensure the accuracy of reading.

For this reason, it is needed to provide an oil-filled pressure gauge.

Disclosure of Invention

The invention aims to provide an oil-filled pressure gauge, which aims to solve the problems that the prior art proposes to realize the aim of overcoming the damage to the gauge caused by strong medium pulse and environmental vibration and ensuring the accuracy of reading.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oil charge formula manometer, includes the shell, the bottom of shell is connected with leads the pressure subassembly, the bottom that leads the pressure subassembly is connected with fixed subassembly, the internal connection of shell has the registration device.

The number indicating device comprises a transparent arc outer ring, a lining ring, a first dial, a second dial, a fixed plate groove, a transmission shaft rod and a pointer.

The transparent arc outer ring is connected to the inside of the shell, the lining ring is installed in the inside of the lining ring, the first dial is arranged on the front face of the lining ring, the second dial is connected to the inner side of the first dial, the fixed plate groove is installed in the middle of the front face of the lining ring, the transmission shaft rod is installed in the inside of the fixed plate groove, and the pointer is installed at the top end of the transmission shaft rod.

Preferably, the back of the shell is connected with a back plate, and a locking edge block is arranged between the back plate and two sides of the shell. The shell and the backboard are convenient to fix through the overlock block, and meanwhile, the lock catch type structure is adopted, so that the installation and the disassembly are convenient, and the maintenance work is facilitated.

Preferably, a connecting block is installed at the top of the shell, and a fixing block is connected to the top of the connecting block. The connecting block and the fixing block have a certain fixing effect.

Preferably, the pressure guide assembly comprises a connector, a spring tube and a connecting plate, wherein the connector is connected to the bottom of the shell, the spring tube is connected to the bottom of the connector, and the connecting plate is connected to the bottom of the spring tube. The connector, the spring tube and the connecting plate are arranged, the connector and the spring tube are continuously and stably installed through the connecting plate, and the connector is utilized to have a certain pressure guiding function and act on the counting device.

Preferably, the fixing assembly comprises a connecting pipe, an upper pressing plate, a through pipe and a lower pressing plate, wherein the connecting pipe is connected to the bottom of the pressure guiding assembly, the upper pressing plate is connected to the bottom of the connecting pipe, the through pipe is connected to the bottom of the upper pressing plate, and the lower pressing plate is connected to the bottom of the through pipe. The connecting pipe, the upper pressing plate, the through pipe and the lower pressing plate are arranged, the connecting pipe is utilized to act on the pressure guiding assembly, the connecting pipe and the through pipe are respectively fixed by the upper pressing plate and the lower pressing plate, the upper pressing plate and the lower pressing plate realize the stabilizing effect on the pressure guiding assembly, and the device has certain stability.

Preferably, a damping fluid is arranged in the number indicating device.

Preferably, the scale of the first dial is smaller than the scale of the second dial, and the precision number of the first dial is larger than the precision number of the second dial.

Preferably, the transparent arc-shaped outer ring comprises a lining ring, a first dial, a second dial, a fixed plate groove, a transmission shaft lever, a pointer and damping fluid. The transparent arc outer lane that sets up is the table glass outer lane, is convenient for observe the pointer scale, utilizes the precision number of calibrated scale first to be greater than the precision number of calibrated scale second, is convenient for observe the manometer, and the fixed effect is carried out to transmission axostylus axostyle and pointer through the fixed plate groove, utilizes the pointer to act on calibrated scale first and calibrated scale second to utilize the inside gear drive mechanism of shell to drive the pointer and rotate on calibrated scale first and calibrated scale second, the damping fluid acts on the registration device simultaneously.

Compared with the prior art, the invention has the beneficial effects that:

1. this oil charge type manometer has set up transparent arc outer lane, the lining circle, calibrated scale first, calibrated scale second, the fixed plate groove, transmission axostylus axostyle and pointer, wherein inside lining circle that contains of transparent arc outer lane, calibrated scale first, calibrated scale second, the fixed plate groove, transmission axostylus axostyle, the pointer, transparent arc outer lane that sets up is the table glass outer lane, be convenient for observe the pointer scale, utilize the precision number of calibrated scale first to be greater than the precision number of calibrated scale second, be convenient for observe the manometer, act on calibrated scale first and calibrated scale second through the fixed plate groove to utilize the pointer to act on the fixed action of calibrated scale first and pointer, and utilize the inside gear drive of shell to drive the pointer and rotate on calibrated scale first and calibrated scale second, act on the damping fluid, and can survey gas, the average value of liquid pulsation pressure, realize in order to overcome the harm that medium intense pulse and environmental shock brought the instrument, ensure the accuracy of reading.

2. This oil charge formula manometer has set up connecting pipe, top board, siphunculus and holding down plate, utilizes the connecting pipe to act on and lead the pressure subassembly, utilizes top board and holding down plate to fix connecting pipe and siphunculus respectively, and top board and holding down plate realize leading the firm effect of pressure subassembly, realize having certain stability to the registration device.

3. This oil charge formula manometer is convenient for shell and backplate through the piece of lockstitching a border and carries out fixed action, adopts the hasp structure simultaneously, is convenient for install and dismantle, helps maintenance work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a front view of an oil filled pressure gauge of the present invention;

FIG. 2 is a right side view of the oil filled pressure gauge of the present invention;

FIG. 3 is a bottom left side view of the oil filled pressure gauge of the present invention;

FIG. 4 is a schematic view of a portion of an oil filled pressure gauge of the present invention;

fig. 5 is an enlarged view of fig. 3 a in accordance with the present invention.

In the figure: 1. a housing; 101. a back plate; 102. a lockstitch block; 2. a connecting block; 201. a fixed block; 3. a pressure guiding assembly; 301. a connector; 302. a spring tube; 303. a connecting plate; 4. a fixing assembly; 401. a connecting pipe; 402. an upper press plate; 403. a through pipe; 404. a lower pressing plate; 5. a counting device; 501. a transparent arc outer ring; 502. a collar; 503. a dial I; 504. a second dial; 505. a fixed plate groove; 506. a transmission shaft lever; 507. a pointer; 6. damping fluid.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oil charge formula manometer, includes shell 1, and shell 1 is airtight structure, and has certain guard action, and shell 1's bottom is connected with leads and presses subassembly 3, acts on fixed subassembly 4, and has certain stability, leads the bottom of pressing subassembly 3 to be connected with fixed subassembly 4, acts on fixed subassembly 4, and shell 1's internal connection has the registration device 5.

The register 5 includes a transparent arcuate outer race 501, a collar 502, a first dial 503, a second dial 504, a fixed plate slot 505, a drive shaft 506, and a pointer 507.

The transparent arc outer ring 501 is connected in the inside of shell 1, and lining ring 502 is installed in the inside of lining ring 502, and first calibrated scale 503 sets up in the front of lining ring 502, and first calibrated scale 504 is connected in the inboard of first calibrated scale 503 and is seen, and fixed plate groove 505 is installed in the middle of the front of lining ring 502, and drive shaft lever 506 is installed in the inside of fixed plate groove 505, and pointer 507 is installed on the top of drive shaft lever 506. The transparent arc-shaped outer ring 501, the lining ring 502, the first dial 503, the second dial 504, the fixed plate groove 505, the transmission shaft lever 506 and the pointer 507 are arranged, wherein the transparent arc-shaped outer ring 501 internally comprises the lining ring 502, the first dial 503, the second dial 504, the fixed plate groove 505, the transmission shaft lever 506 and the pointer 507, the arranged transparent arc-shaped outer ring 501 is a glass outer ring, the scale of the pointer 507 is convenient to observe, the precision number of the first dial 503 is larger than that of the second dial 504, the pressure gauge is convenient to observe, the transmission shaft lever 506 and the pointer 507 are fixed through the fixed plate groove 505, the pointer 507 acts on the first dial 503 and the second dial 504, the pointer 507 is driven to rotate on the first dial 503 and the second dial 504 by utilizing a gear transmission mechanism in the shell 1, the damping liquid 6 is acted, and the average value of gas and liquid pulsation pressure can be measured, so that the damage to the instrument caused by medium intense pulse and environmental vibration is overcome, and the accuracy of reading is ensured.

The back of the shell 1 is connected with a back plate 101, and a locking edge block 102 is arranged between the back plate 101 and two sides of the shell 1. The casing 1 and the backboard 101 are convenient to fix through the lockstitch block 102, and meanwhile, the lock catch type structure is adopted, so that the installation and the disassembly are convenient, and the maintenance work is facilitated.

The connecting block 2 is installed at the top of shell 1, and the top of connecting block 2 is connected with fixed block 201. A certain fixing effect is achieved through the connecting block 2 and the fixing block 201.

The pressure guiding assembly 3 comprises a connector 301, a spring tube 302 and a connecting plate 303, wherein the connector 301 is connected to the bottom of the shell 1, the spring tube 302 is connected to the bottom of the connector 301, and the connecting plate 303 is connected to the bottom of the spring tube 302. The connector 301, the spring tube 302 and the connecting plate 303 are arranged, the connector 301 and the spring tube 302 are continuously and stably installed through the connecting plate 303, and the connector 301 is utilized to have a certain pressure guiding function and act on the number indicating device 5.

The fixing assembly 4 comprises a connecting pipe 401, an upper pressing plate 402, a through pipe 403 and a lower pressing plate 404, wherein the connecting pipe 401 is connected to the bottom of the pressure guiding assembly 3, the upper pressing plate 402 is connected to the bottom of the connecting pipe 401, the through pipe 403 is connected to the bottom of the upper pressing plate 402, and the lower pressing plate 404 is connected to the bottom of the through pipe 403. Connecting pipe 401, top board 402, siphunculus 403 and holding down plate 404 have been set up, utilize connecting pipe 401 to act on and lead the pressure subassembly 3, utilize top board 402 and holding down plate 404 to fix connecting pipe 401 and siphunculus 403 respectively, and top board 402 and holding down plate 404 realize leading the firm effect of pressure subassembly 3, realize having certain stability to the register 5.

The damping fluid 6 is arranged inside the number indicating device 5. The damping fluid 6 is filled in the shell 1, is generally silicone oil or glycerol, can resist working environment vibration and reduce the pulsation influence of medium pressure, has certain shock resistance by means of filling the damping fluid, and is suitable for occasions where the pressure of the measured medium has strong pulse change and is frequently suddenly unloaded in the production process and places with larger environment shock.

The scale of the first scale 503 is smaller than that of the second scale 504, and the accuracy number of the first scale 503 is larger than that of the second scale 504.

The transparent arc outer ring 501 comprises a lining ring 502, a first dial 503, a second dial 504, a fixed plate groove 505, a transmission shaft 506, a pointer 507 and damping fluid 6.

When the device is used, the connector 301 and the spring tube 302 are continuously and stably mounted through the connecting plate 303, the connector 301 is utilized to have a certain pressure guiding function, the device is used for the indicating device 5, the connecting tube 401 is utilized to act on the pressure guiding assembly 3, the connecting tube 401 and the through tube 403 are respectively fixed through the upper pressing plate 402 and the lower pressing plate 404, the pressure guiding assembly 3 is stably mounted through the upper pressing plate 402 and the lower pressing plate 404, the indicating device 5 is stable, meanwhile, the transparent arc-shaped outer ring 501 is utilized to internally comprise the lining ring 502, the first dial 503, the second dial 504, the fixed plate groove 505, the transmission shaft 506 and the indicating needle 507, the arranged transparent arc-shaped outer ring 501 is a table glass outer ring, the indicating needle 507 is convenient to observe, the accuracy number of the first dial 503 is larger than the accuracy number of the second dial 504, the pressure gauge is convenient to observe, the indicating needle 507 is fixed through the fixed plate groove 505, the indicating needle 507 acts on the first dial 503 and the second dial 504, the indicating needle 507 is driven to rotate on the first dial 503 and the second dial 504 through the gear transmission mechanism inside the housing 1, the damping liquid 6 is acted on the first dial 503 and the second dial 504, the impact on the damping liquid 6, the average value of the pressure and the impulse pressure can be measured, the impulse average value of the impulse and the impulse environment can be overcome, and the accuracy of the impulse is guaranteed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an oil charge formula manometer, includes shell (1), the bottom of shell (1) is connected with leads and presses subassembly (3), the bottom of leading and pressing subassembly (3) is connected with fixed subassembly (4), its characterized in that: the inside of the shell (1) is connected with a number indicating device (5);

the number indicating device (5) comprises a transparent arc-shaped outer ring (501), a lining ring (502), a first dial (503), a second dial (504), a fixed plate groove (505), a transmission shaft lever (506) and a pointer (507);

the transparent arc outer ring (501) is connected to the inside of the shell (1), the lining ring (502) is installed in the inside of the lining ring (502), the first dial (503) is arranged on the front surface of the lining ring (502), the second dial (504) is connected to the inner side of the first dial (503), the fixing plate groove (505) is installed in the middle of the front surface of the lining ring (502), the transmission shaft lever (506) is installed in the inside of the fixing plate groove (505), and the pointer (507) is installed at the top end of the transmission shaft lever (506).

2. An oil filled pressure gauge as defined in claim 1 wherein: the back of the shell (1) is connected with a back plate (101), and a locking edge block (102) is arranged between the back plate (101) and two sides of the shell (1).

3. An oil filled pressure gauge as defined in claim 1 wherein: the top of shell (1) is installed connecting block (2), the top of connecting block (2) is connected with fixed block (201).

4. An oil filled pressure gauge as defined in claim 1 wherein: the pressure guide assembly (3) comprises a connector (301), a spring tube (302) and a connecting plate (303), wherein the connector (301) is connected to the bottom of the shell (1), the spring tube (302) is connected to the bottom of the connector (301), and the connecting plate (303) is connected to the bottom of the spring tube (302).

5. An oil filled pressure gauge as defined in claim 1 wherein: the fixing assembly (4) comprises a connecting pipe (401), an upper pressing plate (402), a through pipe (403) and a lower pressing plate (404), wherein the connecting pipe (401) is connected to the bottom of the pressure guiding assembly (3), the upper pressing plate (402) is connected to the bottom of the connecting pipe (401), the through pipe (403) is connected to the bottom of the upper pressing plate (402), and the lower pressing plate (404) is connected to the bottom of the through pipe (403).

6. An oil filled pressure gauge as defined in claim 1 wherein: damping fluid (6) is arranged in the number indicating device (5).

7. An oil filled pressure gauge as defined in claim 1 wherein: the scale of the first dial (503) is smaller than that of the second dial (504), and the precision number of the first dial (503) is larger than that of the second dial (504).

8. An oil filled pressure gauge as defined in claim 6 wherein: the transparent arc-shaped outer ring (501) comprises a lining ring (502), a first dial (503), a second dial (504), a fixed plate groove (505), a transmission shaft lever (506), a pointer (507) and damping fluid (6).

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