CN114323417A - Pressure safety instrument - Google Patents
Pressure safety instrument Download PDFInfo
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- CN114323417A CN114323417A CN202210015806.2A CN202210015806A CN114323417A CN 114323417 A CN114323417 A CN 114323417A CN 202210015806 A CN202210015806 A CN 202210015806A CN 114323417 A CN114323417 A CN 114323417A
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- pressure safety
- safety instrument
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- instrument
- spring
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- 239000010985 leather Substances 0.000 claims abstract description 46
- 238000013016 damping Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 abstract description 21
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 230000003749 cleanliness Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of instruments, and particularly relates to a pressure safety instrument, which comprises a pressure safety instrument and a shell, wherein the shell is arranged outside the pressure safety instrument and used for protecting the pressure safety instrument; the damping unit is positioned in the shell and used for damping the pressure safety instrument and comprises a spring; the spring is sleeved at the pipeline interface of the pressure safety instrument; a skin pocket; the leather bag is sleeved outside the spring; spring and leather bag are mutually supported for the shock attenuation of pressure safety instrument, the boiler produces vibrations in the course of the work, vibrations pass through pipeline transmission to pressure safety instrument, in the time of vibrations, set up the energy that shock attenuation unit absorbed vibrations and produced in the casing, slow down vibrations to the influence of pressure safety instrument, avoid vibrations to lead to the inside component of pressure safety instrument to cause the damage, lead to the pressure safety instrument index inaccurate, the security that has improved the pressure safety instrument, and then the security that has improved the boiler operation.
Description
Technical Field
The invention belongs to the technical field of instruments, and particularly relates to a pressure safety instrument.
Background
The pressure instrument is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, and is mainly used for monitoring the working pressure of media filled in a pressurized container, a pipeline and the like so as to properly control the pressurized capacity and protect the safety of equipment, or provides a reliable basis for monitoring, controlling and adjusting production for operators by mastering pressure parameters, so that the pressure meter can be widely used in the fields of engineering machinery, coal mine equipment, chemical equipment and the like;
in the prior art, due to the influence of mechanical vibration of a boiler and pressure in a pipeline, vibration is generated, so that elements in a pressure instrument are loosened under the influence of the vibration, the vibration amplitude of a pointer in the pressure instrument is large, the metering accuracy of the pressure instrument is influenced, and even a fault occurs, so that the running safety of equipment is influenced;
in view of the above, in order to overcome the above technical problems, the present invention provides a pressure safety instrument, which solves the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is that the mechanical vibration of the boiler and the pressure in the pipeline generate vibration, so that elements in the pressure instrument are loosened under the influence of the vibration, the vibration amplitude of a pointer in the pressure instrument is large, the metering accuracy of the pressure instrument is influenced, and even the pressure instrument breaks down, so that the running safety of equipment is influenced;
the invention provides a pressure safety instrument, comprising:
a pressure safety gauge and a housing;
a shell is arranged outside the pressure safety instrument and used for protecting the pressure safety instrument;
the damping unit is positioned in the shell;
the shock-absorbing unit includes: the spring assembly and the air outlet assembly;
the spring assembly is positioned below the pressure safety instrument and used for damping the pressure safety instrument;
and the air outlet assembly is communicated with the spring assembly and is used for cleaning a display area of the pressure safety instrument.
Preferably, the spring assembly comprises:
a spring;
the spring is sleeved at the pipeline interface of the pressure safety instrument;
a skin pocket;
the leather bag is sleeved outside the spring;
the spring is matched with the leather bag and used for damping the pressure safety instrument.
Preferably, the gas outlet assembly includes:
an air outlet pipe and an air jet;
the leather bag is provided with an air outlet pipe; the air outlet pipe penetrates through the shell and is aligned with the pressure safety instrument to be provided with an oil air jet; the air jet is used for cleaning a display area of the pressure safety instrument.
Preferably, the housing is filled with shock absorbing oil.
Preferably, the leather bag is made of silica gel.
Preferably, the outlet pipe is adjustable.
Preferably, the housing is provided with a viewing port.
Preferably, the observation port is made of explosion-proof glass.
Preferably, the top of the pressure safety instrument is provided with a top block; the top block is connected with the pressure safety instrument in a sliding manner; an alarm is arranged at the top of the shell; the alarm is used for giving an alarm when the pressure exceeds a set value.
Preferably, the pipeline interface of the pressure safety instrument is connected by a sealing flange.
The invention has the following beneficial effects:
1. the invention provides a pressure safety instrument, wherein a boiler generates vibration in the working process, the vibration is transmitted to the pressure safety instrument through a pipeline, and meanwhile, a damping unit is arranged in a shell to absorb energy generated by the vibration, so that the influence of the vibration on the pressure safety instrument is relieved, the damage of elements in the pressure safety instrument caused by the vibration is avoided, the index of the pressure safety instrument is inaccurate, the safety of the pressure safety instrument is improved, and the safety of the boiler in operation is further improved.
2. The invention provides a pressure safety instrument, wherein when the pressure safety instrument is vibrated, a spring is extruded and deformed under the action of the pressure safety instrument, the spring drives a leather bag to extrude and deform, and the leather bag is reset and returned after being extruded and deformed to drive the spring to reset and return; the spring and the leather bag are matched with each other, so that a certain buffering effect is achieved on vibration, the influence of the vibration on the pressure safety instrument is further relieved, and the condition that the vibration causes damage to elements inside the pressure safety instrument and the index of the pressure safety instrument is inaccurate is further avoided; the safety of the pressure safety instrument is further improved, and the safety of the boiler operation is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a body diagram of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a side cross-sectional view of the present invention;
in the figure: the pressure safety instrument comprises a pressure safety instrument 1, a top block 11, a shell 2, an observation port 21, a damping unit 3, a spring 31, a leather bag 32, an air outlet pipe 33, an air jet 34 and an alarm 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The pressure safety instrument in the prior art has the defects that the mechanical vibration of a boiler and the pressure in a pipeline generate vibration, so that elements in the pressure instrument are loosened under the influence of the vibration, the vibration amplitude of a pointer in the pressure instrument is large, the metering accuracy of the pressure instrument is influenced, and even the pressure instrument breaks down, so that the running safety of equipment is influenced;
in order to solve the above problems, the present embodiment adopts the following main concepts: a shell 2 is arranged outside the pressure safety instrument 1, and the damping of the pressure safety instrument 1 by the damping unit 3 is realized through a damping unit 3 arranged in the shell 2;
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides a pressure safety instrument, which comprises a pressure safety instrument 1;
the pressure safety instrument comprises a shell 2, wherein the shell 2 is arranged outside the pressure safety instrument 1, and the shell 2 is used for protecting the pressure safety instrument 1;
the damping unit 3, the said damping unit 3 locates in body 2;
the shock-absorbing unit includes: the spring assembly and the air outlet assembly;
the spring assembly is positioned below the pressure safety instrument and is used for damping the pressure safety instrument 1;
and the air outlet assembly is communicated with the spring assembly and is used for cleaning a display area of the pressure safety instrument 1.
The boiler generates vibration in the working process, the vibration is transmitted to the pressure safety instrument 1 through a pipeline, and meanwhile, the spring assembly arranged in the damping unit 3 in the shell 2 absorbs energy generated by the vibration, so that the influence of the vibration on the pressure safety instrument 1 is relieved, the damage of elements in the pressure safety instrument 1 caused by the vibration is avoided, the index of the pressure safety instrument 1 is inaccurate, the safety of the pressure safety instrument is improved, and the running safety of the boiler is further improved; when slowing down vibrations, spring unit extrusion deformation makes the subassembly of giving vent to anger give vent to anger, clears up pressure safety instrument 1 display area, blows off the adnexed process in pressure safety instrument 1 display area, has improved pressure safety instrument 1 display area's cleanliness factor, has improved the convenience that the staff observed pressure index, has alleviateed staff's job task.
In the prior art, a pressure safety instrument is generally directly connected with a pressure pipeline of a boiler, the boiler vibrates in the operation process of the boiler, the general pressure safety instrument has no damping device and cannot damp, and the connection part of the pressure safety instrument and the pipeline is loosened for a long time, so that pressure leakage is caused, and danger is generated;
therefore, the invention provides the spring assembly in the damping unit 3, the vibration generated in the boiler operation process is reduced, so that the damping effect is achieved, and the gas in the spring assembly is exhausted through the exhaust assembly by using the damping of the spring assembly while the spring assembly damps the vibration, so that the display area of the pressure safety instrument 1 is cleaned.
As an embodiment of the present invention, the spring assembly includes:
a spring 31;
the spring 31 is sleeved at the pipeline interface of the pressure safety instrument 1;
a bladder 32;
the leather bag 32 is sleeved outside the spring 31;
the spring 31 and the leather bag 32 are matched with each other and are used for damping the pressure safety instrument 1;
when the pressure safety instrument 1 is vibrated, the spring 31 is extruded and deformed by the action of the pressure safety instrument 1, the spring 31 drives the leather bag 32 to extrude and deform, and the leather bag 32 returns after being extruded and deformed to drive the spring 31 to return; the spring 31 and the leather bag 32 are matched with each other, so that a certain buffering effect is achieved on vibration, the influence of the vibration on the pressure safety instrument 1 is further reduced, the damage of elements inside the pressure safety instrument 1 caused by the vibration is further avoided, the index of the pressure safety instrument 1 is inaccurate, the misjudgment of a worker on the pressure in the boiler is prevented, and accidents are prevented; the safety of the pressure safety instrument is further improved, and the safety of the boiler operation is further improved; meanwhile, the leather bag 32 wraps the spring 31 and a pipeline connector sleeved in the spring 31, so that dust is not easy to enter, and the damping efficiency of the spring 31 is affected.
As a specific embodiment of the present invention, the gas outlet assembly further includes:
an outlet pipe 33 and an air nozzle 34;
the leather bag 32 is provided with an air outlet pipe 33; the air outlet pipe 33 penetrates through the shell 2 and is aligned with the pressure safety instrument 1, and an oil air jet port 34 is arranged; the air outlet 34 is used for cleaning the display area of the pressure safety instrument 1;
when the leather bag 32 is subjected to vibration, extrusion and deformation, the internal space of the leather bag 32 is compressed, and air in the leather bag 32 is conveyed from the leather bag 32 to the air outlet 34 through the air outlet pipe 33; the air outlet 34 is aligned with the display area of the pressure safety gauge 1; because the pressure safety instrument sets up in the boiler operation district, and the dust is many, and the dust is easily attached to pressure safety instrument 1's display area, influences the staff and observes pressure index, and the gas of jet 34 spun blows off the adnexed process of pressure safety instrument 1 display area, has improved pressure safety instrument 1 display area's cleanliness factor, has improved the convenience that the staff observed pressure index, has alleviateed staff's work task.
As a specific embodiment of the present invention, the housing 2 is filled with shock-absorbing oil;
when the spring 31 and the leather bag 32 are matched with each other for shock absorption, the shell 2 is filled with shock absorption oil, the shock absorption oil is high in viscosity, the shock absorption oil is matched with the shock absorption unit 3 in the pipeline shock process, a certain buffer effect is further achieved on shock, the influence of the shock on the pressure safety instrument 1 is further reduced, and the situation that the index of the pressure safety instrument 1 is inaccurate due to damage caused by elements in the pressure safety instrument 1 caused by the shock is further avoided; the safety of the pressure safety instrument is further improved, and the safety of the boiler operation is further improved; meanwhile, the damping unit 3 is immersed in damping oil, so that the spring 31 is further prevented from being corroded by dust, and the damping effect is further prevented from being influenced.
As a specific embodiment of the present invention, the leather bag 32 is made of silica gel;
the leather bag 32 is made of a flexible material, the flexible material is silica gel, the leather bag 32 is extruded and deformed under the action of the spring 31, the silica gel is strong in flexibility and ductility, plays a certain buffering role on vibration, further improves the damping effect of the damping unit 3, further improves the safety of the pressure safety instrument 1, and further improves the safety of the boiler during operation; meanwhile, the leather bag 32 is made of silica gel, the leather bag 32 is easy to extrude and deform, air in the leather bag 32 is transmitted to the air jet port 34 through the air outlet pipe 33, the air is jetted out from the air jet port 34, and the cleaning efficiency of the display area of the cleaning pressure safety instrument 1 is further improved.
As a specific embodiment of the present invention, the outlet pipe 33 is adjustable;
the angle of staff's accessible regulation outlet duct 33 makes outlet duct 33 blow the direction and changes, makes outlet duct 33 reach the best angle of blowing, makes pressure safety instrument 1 display area surface clean, further blows off the adnexed process of pressure safety instrument 1 display area, has further improved the cleanliness factor of pressure safety instrument 1 display area, has further improved the convenience of staff observation pressure index, has further alleviateed staff's job task.
As a specific embodiment of the present invention, the housing 2 is provided with a viewing port 21;
the observation port 21 is formed in the shell 2, the pressure safety instrument 1 is arranged in the shell 2, and a worker can observe the pressure index of the pressure safety instrument 1 arranged in the shell through the observation hole 21, so that the observation convenience of the worker is improved; meanwhile, the observation port 21 is arranged, so that external dust is prevented from entering the shell 2, and the cleanliness of the pressure safety instrument 1 is further improved.
As a specific embodiment of the present invention, the viewing port 21 is made of explosion-proof glass;
reveal appears revealing when the pipeline, 1 internal pressure of pressure safety instrument risees, makes pressure safety instrument 1 appear the explosion phenomenon, and the viewing aperture 21 that sets up on casing 2 adopts explosion-proof glass, avoids the explosion of pressure safety instrument 1, leads to viewing aperture 21 glass to take place to break and lead to the staff injured, has improved pressure safety instrument 1's security.
As a specific embodiment of the present invention, a top block 11 is disposed on the top of the pressure safety instrument 1; the top block 11 is connected with the pressure safety instrument 1 in a sliding manner; the top of the shell 2 is provided with an alarm 4; the alarm 4 is used for giving an alarm when the pressure exceeds a set value;
when pressure risees, the baffle in the pressure safety instrument 1 is by atmospheric pressure jack-up, when pressure surpassed the settlement scope, the baffle in the pressure safety instrument 1 is by atmospheric pressure last upwards jacking, the baffle contacts kicking block 11, kicking block 11 upwards slides along pressure safety instrument 1 axial, the kicking block 11 upwards the contact switch of 4 bottoms of jacking contact alarm, alarm 4 sends the chimes of doom and warning light warning staff pressure value exceeds standard this moment, need carry out the pressure release and handle, avoided leading to the fact dangerous accident because of pressure risees, the security of pressure safety instrument 1 has further been improved, the security of boiler operation has further been improved.
As a specific implementation manner of the invention, the pipeline interface of the pressure safety instrument 1 is connected by adopting a sealing flange;
the pipeline interface of the pressure safety instrument 1 is connected by adopting a sealing flange, the sealing performance of the sealing flange is strong, and the phenomena that the pipeline interface is loosened due to vibration, air pressure is leaked and dangerous accidents occur are avoided; the safety of the pressure safety gauge 1 is further improved.
The specific working process is as follows:
the boiler generates vibration in the working process, the vibration is transmitted to the pressure safety instrument 1 through a pipeline, and meanwhile, the spring assembly arranged in the damping unit 3 in the shell 2 absorbs energy generated by the vibration, so that the influence of the vibration on the pressure safety instrument 1 is relieved, the damage of elements in the pressure safety instrument 1 caused by the vibration is avoided, the index of the pressure safety instrument 1 is inaccurate, the safety of the pressure safety instrument is improved, and the running safety of the boiler is further improved; when the vibration is slowed down, the spring assembly extrudes and deforms to enable the air outlet assembly to discharge air, the display area of the pressure safety instrument 1 is cleaned, and the process of attaching the display area of the pressure safety instrument 1 is blown away, so that the cleanliness of the display area of the pressure safety instrument 1 is improved, the convenience of observing pressure indexes by workers is improved, and the work tasks of the workers are reduced;
when the pressure safety instrument 1 is vibrated, the spring 31 is extruded and deformed by the action of the pressure safety instrument 1, the spring 31 drives the leather bag 32 to extrude and deform, and the leather bag 32 returns after being extruded and deformed to drive the spring 31 to return; the spring 31 and the leather bag 32 are matched with each other, so that a certain buffering effect is achieved on vibration, the influence of the vibration on the pressure safety instrument 1 is further relieved, and the condition that the vibration causes damage to elements inside the pressure safety instrument 1 and causes inaccurate index of the pressure safety instrument 1 is further avoided; the safety of the pressure safety instrument is further improved, and the safety of the boiler operation is further improved; meanwhile, the leather bag 32 wraps the spring 31 and a pipeline interface sleeved in the spring 31, so that dust is not easy to enter, and the damping efficiency of the spring 31 is influenced;
when the leather bag 32 is subjected to vibration, extrusion and deformation, the internal space of the leather bag 32 is compressed, and air in the leather bag 32 is conveyed from the leather bag 32 to the air outlet 34 through the air outlet pipe 33; the air outlet 34 is aligned with the display area of the pressure safety gauge 1; the pressure safety instrument is arranged in the boiler operation area, so that dust is more and is easily attached to the display area of the pressure safety instrument 1, the pressure index is observed by workers, the gas sprayed out of the gas nozzle 34 blows away the process of attaching the display area of the pressure safety instrument 1, the cleanliness of the display area of the pressure safety instrument 1 is improved, the convenience of observing the pressure index by the workers is improved, and the work tasks of the workers are reduced;
when the spring 31 and the leather bag 32 are matched with each other for shock absorption, the shell 2 is filled with shock absorption oil, the shock absorption oil is high in viscosity, the shock absorption oil is matched with the shock absorption unit 3 in the pipeline shock process, a certain buffer effect is further achieved on shock, the influence of the shock on the pressure safety instrument 1 is further reduced, and the situation that the index of the pressure safety instrument 1 is inaccurate due to damage caused by elements in the pressure safety instrument 1 caused by the shock is further avoided; the safety of the pressure safety instrument is further improved, and the safety of the boiler operation is further improved; meanwhile, the damping unit 3 is immersed in damping oil, so that the spring 31 is further prevented from being corroded by dust, and the damping effect is further prevented from being influenced;
the leather bag 32 is made of silica gel, the leather bag 32 is extruded and deformed by pressure under the action of the spring 31, the silica gel is strong in flexibility and ductility, plays a certain role in buffering vibration, further improves the damping effect of the damping unit 3, further improves the safety of the pressure safety instrument 1, and further improves the safety of the boiler during operation; meanwhile, the leather bag 32 is made of silica gel, the leather bag 32 is easy to extrude and deform, air in the leather bag 32 is transmitted to the air nozzle 34 through the air outlet pipe 33, and the air is sprayed out of the air nozzle 34, so that the cleaning efficiency of the display area of the cleaning pressure safety instrument 1 is further improved;
the worker can adjust the angle of the air outlet pipe 33 to change the air blowing direction of the air outlet pipe 33, so that the air outlet pipe 33 reaches the optimal air blowing angle, the surface of the display area of the pressure safety instrument 1 is cleaned, the process of attaching the display area of the pressure safety instrument 1 is further blown away, the cleanliness of the display area of the pressure safety instrument 1 is further improved, the convenience of the worker for observing the pressure index is further improved, and the work task of the worker is further lightened;
the observation port 21 is formed in the shell 2, the pressure safety instrument 1 is arranged in the shell 2, and a worker can observe the pressure index of the pressure safety instrument 1 arranged in the shell through the observation hole 21, so that the observation convenience of the worker is improved; meanwhile, the observation port 21 is arranged to prevent external dust from entering the shell 2, so that the cleanliness of the pressure safety instrument 1 is further improved;
when the pipeline leaks, the internal pressure of the pressure safety instrument 1 rises, so that the pressure safety instrument 1 explodes, the observation port 21 arranged on the shell 2 adopts explosion-proof glass, the explosion of the pressure safety instrument 1 is avoided, the glass of the observation port 21 is broken, so that workers are injured, and the safety of the pressure safety instrument 1 is improved;
when the pressure rises, a baffle in the pressure safety instrument 1 is jacked up by air pressure, when the pressure exceeds a set range, the baffle in the pressure safety instrument 1 is jacked up continuously by the air pressure, the baffle contacts the jacking block 11, the jacking block 11 slides upwards along the axial direction of the pressure safety instrument 1, the jacking block 11 jacks up and contacts a contact switch at the bottom of the alarm 4, at the moment, the alarm 4 gives out alarm sound and alarm light to warn workers that the pressure value exceeds the standard, pressure relief processing is needed, dangerous accidents caused by the rise of the pressure are avoided, the safety of the pressure safety instrument 1 is further improved, and the safety of the operation of a boiler is further improved;
the pipeline interface of the pressure safety instrument 1 is connected by adopting a sealing flange, the sealing performance of the sealing flange is strong, and the phenomena that the pipeline interface is loosened due to vibration, air pressure is leaked and dangerous accidents occur are avoided; the safety of the pressure safety gauge 1 is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A pressure safety gauge, characterized by: the method comprises the following steps:
a pressure safety gauge (1);
the pressure safety instrument (1) is externally provided with a shell (2), and the shell (2) is used for protecting the pressure safety instrument (1);
the damping unit (3), the said damping unit (3) locates in body (2);
the shock-absorbing unit includes: the spring assembly and the air outlet assembly;
the spring assembly is positioned below the pressure safety instrument (1) and is used for damping the pressure safety instrument (1);
the air outlet assembly is communicated with the spring assembly and used for cleaning a display area of the pressure safety instrument (1).
2. A pressure safety gauge according to claim 1, wherein: the spring assembly includes:
a spring (31);
the spring (31) is sleeved at the pipeline interface of the pressure safety instrument (1);
a bladder (32);
the leather bag (32) is sleeved outside the spring (31);
the spring (31) and the leather bag (32) are matched with each other and used for damping the pressure safety instrument (1).
3. A pressure safety gauge according to claim 2, wherein: the subassembly of giving vent to anger includes:
an air outlet pipe (33) and an air jet (34);
the leather bag (32) is provided with an air outlet pipe (33); the air outlet pipe (33) penetrates through the shell (2) and is aligned with the pressure safety instrument (1) to be provided with an oil jet opening (34); the air jet (34) is used for cleaning a display area of the pressure safety instrument (1).
4. A pressure safety gauge according to claim 1, wherein: and damping oil is filled in the shell (2).
5. A pressure safety gauge according to claim 3, wherein: the leather bag (32) is made of silica gel.
6. A pressure safety gauge according to claim 5, wherein: the air outlet pipe (33) is adjustable.
7. A pressure safety gauge according to claim 1, wherein: an observation port (21) is arranged on the shell (2).
8. A pressure safety gauge according to claim 7, wherein: the observation port (21) is made of explosion-proof glass.
9. A pressure safety gauge according to claim 1, wherein: the top of the pressure safety instrument (1) is provided with a top block (11); the top block (11) is connected with the pressure safety instrument (1) in a sliding manner; an alarm (4) is arranged at the top of the shell (2); the alarm (4) is used for giving an alarm when the pressure exceeds a set value.
10. A pressure safety gauge according to claim 1, wherein: and the pipeline joint of the pressure safety instrument (1) is connected by adopting a sealing flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015806.2A CN114323417A (en) | 2022-01-07 | 2022-01-07 | Pressure safety instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015806.2A CN114323417A (en) | 2022-01-07 | 2022-01-07 | Pressure safety instrument |
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| CN114323417A true CN114323417A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210015806.2A Pending CN114323417A (en) | 2022-01-07 | 2022-01-07 | Pressure safety instrument |
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| CN211717701U (en) * | 2020-03-18 | 2020-10-20 | 马鞍山市瑞东仪表有限责任公司 | Pressure instrument with safety alarm function |
| CN211784042U (en) * | 2020-04-28 | 2020-10-27 | 安徽春辉仪表线缆集团有限公司 | Explosion-proof electric contact pressure gauge |
| CN112097166A (en) * | 2020-09-15 | 2020-12-18 | 湖州泰益智能科技有限公司 | Underground engineering construction is with high stability explosion-proof lamp |
| CN213658156U (en) * | 2020-11-07 | 2021-07-09 | 安徽领克自控设备有限公司 | Antidetonation type pressure instrument |
| CN213745934U (en) * | 2020-11-12 | 2021-07-20 | 海南梦行者科技有限公司 | Movable LED display screen |
| CN213632521U (en) * | 2020-12-15 | 2021-07-06 | 徐卓 | Remote alarm type manometer for accurate monitoring |
| CN112750596A (en) * | 2020-12-29 | 2021-05-04 | 南京欧伊工程技术有限公司 | Oil-immersed transformer with shock-absorbing function |
| CN214538348U (en) * | 2021-06-02 | 2021-10-29 | 雷尔达仪表有限公司 | Ready-package precision pressure gauge with pressure alarming function |
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