CN111855075A - Pressure gauge structure of industrial boiler - Google Patents
Pressure gauge structure of industrial boiler Download PDFInfo
- Publication number
- CN111855075A CN111855075A CN202010780754.9A CN202010780754A CN111855075A CN 111855075 A CN111855075 A CN 111855075A CN 202010780754 A CN202010780754 A CN 202010780754A CN 111855075 A CN111855075 A CN 111855075A
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- CN
- China
- Prior art keywords
- pressure gauge
- fixedly connected
- fixed cylinder
- toughened glass
- industrial boiler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/10—Means for indicating or recording, e.g. for remote indication mechanical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0654—Protection against aggressive medium in general against moisture or humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/142—Multiple part housings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/147—Details about the mounting of the sensor to support or covering means
Abstract
The invention discloses a pressure gauge structure of an industrial boiler, belonging to the technical field of instruments, wherein a fixed cylinder is fixedly connected on the periphery of a pressure gauge body, the front end inside the fixed cylinder is fixedly connected with first toughened glass, a cavity is formed between the first toughened glass and the pressure gauge body, the rear end inside the fixed cylinder is fixedly connected with a rear cover, the pressure gauge body is fixed in the fixed cylinder and protected by the rear cover and the first toughened glass, the fixed cylinder is placed in a groove of a shell, the pressure gauge body is doubly protected by the matching of a sealing mechanism and a pipe hoop, when the pressure gauge body needs to be replaced or maintained, the shell can be separated from the sealing mechanism by the pipe hoop, so that the pressure gauge body is replaced or maintained, pressure gauges of different types can be carried out by a communicating mechanism, and the pressure gauge is installed on the boiler by an installing mechanism, ensuring the stability.
Description
Technical Field
The invention relates to the technical field of instruments, in particular to a pressure gauge structure of an industrial boiler.
Background
The industrial boiler products are divided into two types, namely steam for power generation or gas supply, for example, a fertilizer plant can use steam for vaporization, coal is used as a raw material to synthesize fertilizers, the typical industrial boiler is also mostly coal, and a fuel gas is generally used as a waste heat boiler for recovering waste heat. Industrial boilers, which are commonly known as circulating fluidized bed boilers, industrial boilers are important thermal power equipment, because the boilers are closed containers, when the pressure in the boiler rises and exceeds the allowable working pressure, and safety accessories fail to alarm in time and exhaust steam and reduce pressure, so that the pressure in the boiler continuously rises and exceeds the limit pressure which can be borne by a certain pressure element, explosion is easy to occur, in order to ensure the safety of the boiler, the boiler needs to operate under the safety pressure, and in addition, the pressure in the boiler also needs to be known at all times due to the knowledge of the operating state of the boiler and the requirements of users. The measurement of the pressure in the boiler is currently performed by direct reading with a pressure gauge connected to the boiler.
The existing pressure gauge is simple in structure, poor in protection performance, weak in sealing effect, weak in stability, unstable in structure, troublesome in installation and storage, inconvenient to fix, incapable of shaking after installation, poor in limiting effect, and not easy to replace after the pressure gauge body is damaged.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an industrial boiler pressure gauge structure, because a pressure gauge body is fixed in a fixed cylinder, the pressure gauge body is protected by a rear cover and first toughened glass, the fixed cylinder is placed in a groove of a shell, the pressure gauge body is doubly protected by utilizing the matching of a sealing mechanism and a pipe hoop, when the pressure gauge body needs to be replaced or maintained, the shell and the sealing mechanism can be separated by the pipe hoop, so that the pressure gauge body is replaced or maintained, pressure measurement can be carried out on boilers of different models by a communicating mechanism, and the device is installed on the boiler by an installing mechanism, so that the stability is ensured.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An industrial boiler pressure gauge structure comprises a pressure gauge body and a shell, wherein a communicating mechanism is fixedly connected to the bottom of the pressure gauge body, a fixed cylinder is fixedly connected to the periphery of the pressure gauge body, first toughened glass is fixedly connected to the front end inside the fixed cylinder, a cavity is formed between the first toughened glass and the pressure gauge body, a rear cover is fixedly connected to the rear end inside the fixed cylinder, a groove corresponding to the fixed cylinder is formed in the rear inner wall of the shell, magnets are fixedly connected to the front surface of the rear cover and the rear inner wall of the groove, two groups of magnets are magnetically connected, a sealing mechanism is attached to the front surface of the shell, a pipe hoop is in threaded connection with the outer side of the joint of the shell and the sealing mechanism, an installation mechanism is fixedly connected to the bottom of the shell, an anti-explosion film layer is arranged on the surface of the pressure gauge body, protect it through back lid and first toughened glass, place a fixed section of thick bamboo in the recess of casing again, utilize the cooperation of sealing mechanism and ferrule, carry out duplicate protection to the manometer body, when the manometer body need be changed or maintain, also accessible ferrule makes casing and sealing mechanism separation to change or maintain the manometer body, can carry out the pressure measurement to the boiler of different models through the feed through mechanism, rethread installation mechanism installs this device on the boiler, guarantee stability.
Further, sealing mechanism is connected with the laminating of solid fixed cylinder, the inside injection of cavity has damping oil, can make solid fixed cylinder can not take place to rock in the casing and influence the manometer body, and damping oil can make measuring pointer more accurate.
Further, sealing mechanism includes the apron of being connected with the casing laminating, the mounting groove has openly been seted up to the apron, the inside fixedly connected with second toughened glass of mounting groove, second toughened glass's front is equipped with the polyolefin plastic layer. The front of polyolefin plastic layer is equipped with waterproof rete, second toughened glass is protruding type structure, the mounting groove is equipped with sealed the pad with second toughened glass's junction, the second toughened glass of protruding type structure can make the observation scale mark that the staff clear away more, so that measuring result is more accurate, polyolefin plastic layer can reach certain chemical resistance, the good electrical insulation of water proofness, waterproof rete can provide certain waterproof nature, make inside manometer body not fragile, sealed establishing of filling up makes whole device leakproofness stronger.
Further, the front of manometer body is equipped with the scale line, the front lower half fixedly connected with light of manometer body, the scale line makes the result of knowing that the staff is more directly perceived clear, and this device of observation that the staff also can be clear night is made to the light.
Further, installation mechanism includes the spliced pole with casing fixed connection, the surface threaded connection of spliced pole has the mounting disc, mounting hole and spacing hole have been seted up respectively in the top outside of mounting disc, fixed connection is equipped with two sets ofly in the installation mechanism of casing bottom, and two sets of both sides that are located the feed through mechanism respectively, and the mounted position of different boilers is different, can twist the mounting disc of commentaries on classics to suitable height, and this device is installed to rethread mounting hole and spacing hole, makes this device also can install in the face of different boilers.
Further, the laminating department of sealing mechanism and casing is equipped with sealed the pad, makes the leakproofness stronger, prevents that steam and steam etc. from getting into inside and damaging the manometer body.
Further, the communicating mechanism comprises a gauge handle fixedly connected with the gauge body, a thread groove is formed in the outer surface of the gauge handle, the outer surface of the gauge handle is connected with a conversion joint through the thread groove in a threaded mode, a through hole is formed in the gauge handle, pressure media can enter the inside of the gauge body from the through hole, the gauge body measures pressure, and different measuring points can be connected with the gauge handle through the conversion joint due to the fact that the measuring points of different boilers are different.
Furthermore, the bottom threaded connection of the communicating mechanism has a three-way cock, the bottom fixedly connected with of the three-way cock bends the steam pipe, the bending steam pipe can prevent steam in the boiler from directly entering the pressure gauge body through the through hole and damaging the pressure gauge body, and the three-way cock can clean the bending steam pipe.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is owing to pass through a solid fixed cylinder protection with the manometer body, places a solid fixed cylinder in the recess of casing again, utilizes the cooperation of sealing mechanism and ferrule, carries out duplicate protection to the manometer body, when the manometer body need be changed or maintain, also accessible ferrule makes casing and sealing mechanism separation to change or maintain the manometer body, can carry out the pressure measurement to the boiler of different models through the feed-through mechanism, rethread installation mechanism installs this device on the boiler, guarantees stability.
(2) Sealing mechanism is connected with the solid fixed cylinder laminating, and the inside injection of cavity has damping oil, can make solid fixed cylinder can not take place to rock in the casing and influence the manometer body, and damping oil can make measuring pointer more accurate.
(3) Sealing mechanism includes the apron of being connected with the casing laminating, and the mounting groove has openly been seted up to the apron, and the inside fixedly connected with second toughened glass of mounting groove, second toughened glass's front is equipped with the polyolefin plastic layer. The front of polyolefin plastic layer is equipped with waterproof rete, second toughened glass is protruding type structure, the mounting groove is equipped with sealed the pad with second toughened glass's junction, the second toughened glass of protruding type structure can make the observation scale mark that the staff cleared away more, so that measuring result is more accurate, polyolefin plastic layer can reach certain chemical resistance nature, the good electrical insulation of water proofness, waterproof rete can provide certain waterproof nature, make inside manometer body not fragile, sealed establishing of filling up makes whole device leakproofness stronger.
(4) The front of manometer body is equipped with the scale line, and the front lower half fixedly connected with light of manometer body, the scale line makes the result of knowing that the staff is more directly perceived clear, and this device of observation that the staff also can be clear night is made to the light.
(5) Installation mechanism includes the spliced pole with casing fixed connection, and the surface threaded connection of spliced pole has the mounting disc, and mounting hole and spacing hole have been seted up respectively to the top outside of mounting disc, and fixed connection is equipped with two sets ofly in the installation mechanism of casing bottom, and two sets ofly are located the both sides of feed through mechanism respectively, and the mounted position of different boilers is different, can twist the mounting disc to suitable height, and this device is installed to rethread mounting hole and spacing pore pair, makes this device also can install in the face of different boilers.
(6) The joint of the sealing mechanism and the shell is provided with a sealing gasket, so that the sealing performance is stronger, and the pressure gauge body is prevented from being damaged due to steam, vapor and the like entering the interior.
(7) The communicating mechanism comprises a gauge handle fixedly connected with a pressure gauge body, a thread groove is formed in the outer surface of the gauge handle, the outer surface of the gauge handle is connected with a conversion joint through the thread groove and a thread, a through hole is formed in the inner portion of the gauge handle, pressure media can enter the pressure gauge body from the through hole, the pressure gauge body measures pressure, and different measuring points can be connected with the gauge handle through the conversion joint due to the fact that the measuring points of different boilers are different.
(8) The bottom threaded connection of the communicating mechanism has a three-way cock, the bottom of the three-way cock is fixedly connected with a bent steam pipe, the bent steam pipe can prevent steam in a boiler from directly entering the pressure gauge body through a through hole and damaging the pressure gauge body, and the three-way cock can clean the bent steam pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the connecting portion structure of the present invention;
FIG. 4 is a schematic view of the sealing portion of the present invention;
fig. 5 is a perspective view of the mounting portion of the present invention.
The reference numbers in the figures illustrate:
1. a pressure gauge body; 2. a communicating mechanism; 201. a watch handle; 202. a thread groove; 203. a crossover sub; 204. a through hole; 3. a fixed cylinder; 4. first tempered glass; 5. a cavity; 6. a rear cover; 7. a groove; 8. a magnet; 9. a sealing mechanism; 901. a cover plate; 902. mounting grooves; 903. second tempered glass; 904. a polyolefin plastic layer; 905. a waterproof film layer; 10. an installation mechanism; 1001. connecting columns; 1002. mounting a disc; 1003. mounting holes; 1004. a limiting hole; 11. an explosion-proof film layer; 12. damping oil; 13. carving a measuring line; 14. an illuminating lamp; 15. a gasket; 16. a three-way cock; 17. a bent steam pipe; 18. a housing; 19. and (4) a pipe clamp.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an industrial boiler pressure gauge structure comprises a pressure gauge body 1 and a shell 18, wherein the bottom of the pressure gauge body 1 is fixedly connected with a communicating mechanism 2, the periphery of the pressure gauge body 1 is fixedly connected with a fixed cylinder 3, the front end inside the fixed cylinder 3 is fixedly connected with a first toughened glass 4, a cavity 5 is formed between the first toughened glass 4 and the pressure gauge body 1, the rear end inside the fixed cylinder 3 is fixedly connected with a rear cover 6, the rear inner wall of the shell 18 is provided with a groove 7 corresponding to the fixed cylinder 3, the front surface of the rear cover 6 and the rear inner wall of the groove 7 are both fixedly connected with magnets 8, the two groups of magnets 8 are magnetically connected, the front surface of the shell 18 is attached with a sealing mechanism 9, the outer side of the joint of the shell 18 and the sealing mechanism 9 is in threaded connection with a pipe hoop 19, the bottom of the shell 18 is fixedly connected with a, because the pressure gauge body 1 is fixed in the fixed cylinder 3, the pressure gauge body 1 is protected by the rear cover 6 and the first toughened glass 4, the fixed cylinder 3 is placed in the groove 7 of the shell 18, the pressure gauge body 1 is doubly protected by the matching of the sealing mechanism 9 and the pipe hoop 19, when the pressure gauge body 1 needs to be replaced or maintained, the shell 18 can be separated from the sealing mechanism 9 by the pipe hoop 19, so that the pressure gauge body 1 is replaced or maintained, pressure measurement can be carried out on boilers of different models by the communicating mechanism 2, the device is installed on the boiler by the installation mechanism 10, the stability is ensured, the explosion-proof film layer 11 can play a certain explosion-proof role, the establishment of the sealing gasket 15 can prevent steam and vapor from entering the interior to damage the pressure gauge body 1, and the bent steam pipe 17 can prevent the steam in the boiler from directly entering the pressure gauge body 1 through the through hole 204, and damage manometer body 1, three-way cock 16 can be cleared up curved steam pipe 17, and the line 13 that scales makes the staff more directly perceived clear knows the measuring result, and this device of observation that the staff also can be clear at night is made to light 14, and damping oil 12 can make the pointer of measurement more accurate.
Referring to fig. 3, a thread groove 202 is formed in an outer surface of a meter handle 201, a conversion joint 203 is connected to the outer surface of the meter handle 201 through the thread groove 202 in a threaded manner, a through hole 204 is formed in the meter handle 201, a pressure medium can enter the pressure gauge body 1 from the through hole 204, and the pressure gauge body 1 measures pressure, so that different measurement points can be connected with the meter handle 201 through the conversion joint 203 due to different measurement points of different boilers.
Referring to fig. 4, the sealing mechanism 9 includes a cover plate 901 attached to the housing 18, a mounting groove 902 is formed in a front surface of the cover plate 901, a second tempered glass 903 is fixedly connected to an inside of the mounting groove 902, and a polyolefin plastic layer 904 is formed on a front surface of the second tempered glass 903. The front of polyolefin plastic layer 904 is equipped with waterproof rete 905, second toughened glass 903 is protruding type structure, mounting groove 902 is equipped with sealed the pad 15 with the junction of second toughened glass 903, the second toughened glass 903 of protruding type structure can make the observation scale mark line 13 that the staff cleared away more, so that measure more accurately, polyolefin plastic layer 904 can reach certain chemical resistance nature, the good electrical insulation of water proofness, waterproof rete 905 can provide certain waterproof nature, make inside manometer body 1 not fragile, sealed establishing of pad 15 makes whole device leakproofness stronger.
Referring to fig. 5, the outer surface of the connecting column 1001 is connected with a mounting plate 1002 in a threaded manner, mounting holes 1003 and limiting holes 1004 are respectively formed in the outer side of the top of the mounting plate 1002, two groups of mounting mechanisms 10 are fixedly connected to the bottom of the housing 18 and are respectively located on two sides of the communicating mechanism 2, the mounting positions of different boilers are different, the mounting plate 1002 can be screwed to a proper height, and then the device is mounted through the mounting holes 1003 and the limiting holes 1004, so that the device can be mounted facing different boilers.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides an industrial boiler pressure gauge structure, includes manometer body (1) and casing (18), its characterized in that: the bottom of the pressure gauge body (1) is fixedly connected with a communicating mechanism (2), the periphery of the pressure gauge body (1) is fixedly connected with a fixed cylinder (3), the front end inside the fixed cylinder (3) is fixedly connected with first toughened glass (4), a cavity (5) is formed between the first toughened glass (4) and the pressure gauge body (1), the rear end inside the fixed cylinder (3) is fixedly connected with a rear cover (6), a groove (7) corresponding to the fixed cylinder (3) is formed in the rear inner wall of the shell (18), the front surface of the rear cover (6) and the rear inner wall of the groove (7) are both fixedly connected with magnets (8), the two groups of magnets (8) are magnetically connected, the front surface of the shell (18) is attached with a sealing mechanism (9), and the outer side of the joint of the shell (18) and the sealing mechanism (9) is in threaded connection with a pipe hoop (19), the bottom fixedly connected with installation mechanism (10) of casing (18), the surface of manometer body (1) is equipped with explosion-proof membrane layer (11).
2. The pressure gauge structure of an industrial boiler according to claim 1, wherein: sealing mechanism (9) and fixed cylinder (3) laminating are connected, the inside injection of cavity (5) has damping oil (12).
3. The pressure gauge structure of an industrial boiler according to claim 1, wherein: sealing mechanism (9) include apron (901) of being connected with casing (18) laminating, mounting groove (902) have openly been seted up to apron (901), the inside fixedly connected with second toughened glass (903) of mounting groove (902), the front of second toughened glass (903) is equipped with polyolefin plastic layer (904), the front of polyolefin plastic layer (904) is equipped with waterproof rete (905), second toughened glass (903) are protruding type structure, mounting groove (902) are equipped with sealed pad (15) with the junction of second toughened glass (903).
4. The pressure gauge structure of an industrial boiler according to claim 1, wherein: the front of manometer body (1) is equipped with scale mark (13), the front lower half fixedly connected with light (14) of manometer body (1).
5. The pressure gauge structure of an industrial boiler according to claim 1, wherein: the mounting mechanism (10) comprises a connecting column (1001) fixedly connected with the shell (18), a mounting disc (1002) is in threaded connection with the outer surface of the connecting column (1001), mounting holes (1003) and limiting holes (1004) are respectively formed in the outer side of the top of the mounting disc (1002), the mounting mechanism (10) fixedly connected to the bottom of the shell (18) is provided with two groups, and the two groups are respectively located on two sides of the communicating mechanism (2).
6. The pressure gauge structure of an industrial boiler according to claim 1, wherein: and a sealing gasket (15) is arranged at the joint of the sealing mechanism (9) and the shell (18).
7. The pressure gauge structure of an industrial boiler according to claim 1, wherein: the communicating mechanism (2) comprises a gauge handle (201) fixedly connected with the pressure gauge body (1), a thread groove (202) is formed in the outer surface of the gauge handle (201), the outer surface of the gauge handle (201) is connected with a conversion joint (203) through the thread groove (202) in a threaded mode, and a through hole (204) is formed in the gauge handle (201).
8. The pressure gauge structure of an industrial boiler according to claim 1, wherein: the bottom of the communicating mechanism (2) is in threaded connection with a three-way cock (16), and the bottom of the three-way cock (16) is fixedly connected with a bent steam pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780754.9A CN111855075A (en) | 2020-08-06 | 2020-08-06 | Pressure gauge structure of industrial boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780754.9A CN111855075A (en) | 2020-08-06 | 2020-08-06 | Pressure gauge structure of industrial boiler |
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| CN111855075A true CN111855075A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010780754.9A Pending CN111855075A (en) | 2020-08-06 | 2020-08-06 | Pressure gauge structure of industrial boiler |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204666305U (en) * | 2015-06-03 | 2015-09-23 | 马鞍山市浩宇仪表有限公司 | With the rain glass of aseismatic mechanism |
| CN204718730U (en) * | 2015-06-24 | 2015-10-21 | 哈尔滨高德科技开发有限公司 | Pressure watchcase |
| US20170167935A1 (en) * | 2015-12-15 | 2017-06-15 | Anderson Instrument Co., Inc. | System and method for reducing thermal offset in a pressure gauge |
| CN208751781U (en) * | 2018-10-15 | 2019-04-16 | 黄勤俭 | A kind of pressure gauge easy to maintenance |
| CN208751759U (en) * | 2018-09-12 | 2019-04-16 | 江苏润宇高温线缆有限公司 | A kind of pressure meter structure being easily installed |
| CN209055269U (en) * | 2018-04-13 | 2019-07-02 | 董月芬 | A kind of chemical industry anti-corrosion pressure gauge |
-
2020
- 2020-08-06 CN CN202010780754.9A patent/CN111855075A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204666305U (en) * | 2015-06-03 | 2015-09-23 | 马鞍山市浩宇仪表有限公司 | With the rain glass of aseismatic mechanism |
| CN204718730U (en) * | 2015-06-24 | 2015-10-21 | 哈尔滨高德科技开发有限公司 | Pressure watchcase |
| US20170167935A1 (en) * | 2015-12-15 | 2017-06-15 | Anderson Instrument Co., Inc. | System and method for reducing thermal offset in a pressure gauge |
| CN209055269U (en) * | 2018-04-13 | 2019-07-02 | 董月芬 | A kind of chemical industry anti-corrosion pressure gauge |
| CN208751759U (en) * | 2018-09-12 | 2019-04-16 | 江苏润宇高温线缆有限公司 | A kind of pressure meter structure being easily installed |
| CN208751781U (en) * | 2018-10-15 | 2019-04-16 | 黄勤俭 | A kind of pressure gauge easy to maintenance |
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Application publication date: 20201030 |