CN209639891U - A kind of pressure-indication means - Google Patents
A kind of pressure-indication means Download PDFInfo
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- CN209639891U CN209639891U CN201920498853.0U CN201920498853U CN209639891U CN 209639891 U CN209639891 U CN 209639891U CN 201920498853 U CN201920498853 U CN 201920498853U CN 209639891 U CN209639891 U CN 209639891U
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- core bar
- pressure
- screw shell
- stepped hole
- indicate
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Abstract
A kind of pressure-indication means, contain protection end cap, screw shell, indicate core bar, spring, seal cartridge, limiting bush, the upper end of the screw shell is connect with protection end cap, screw shell lower end and pressure piping are tightly connected, it is the smooth three-level stepped hole of a wall surface in screw shell, the top of stepped hole is for connecting seal cartridge and limiting bush, the instruction core bar is embedded in the stepped hole of screw shell, indicate that the middle part of core bar is equipped with upper and lower two stopping steps, the distance between two stopping steps are less than the height in screw shell middle bench hole, spring is equipped in the middle part of the stepped hole of screw shell, indicate that the top of core bar passes through the centre bore of seal cartridge and limiting bush, indicate that the upper end of core bar is equipped with pressure indicateing arm, indicate the lower part of the lower part insertion stepped hole of core bar, indicate the longitudinal center of core bar It is the blind hole of a lower ending opening, the stepped hole lower end of the lower ending opening connection screw shell of the blind hole, the umbo of the protection end cap, equipped with transparent observation window at umbo.
Description
Technical field
This application involves pressure monitoring technical fields, are further a kind of pressure-indication means and pressure indicating means.
Background technique
Existing pressure-indication means are mostly instrument, electronic instrument instruction etc..Advantage is that reaction is quick, and instruction precisely, can
It is quantitative.The disadvantage is that easy to damage under the adverse circumstances such as high/low temperature, vibration, sandstone, greasy dirt, salt fog or instruction is not eye-catching, in strong magnetic
Entanglement etc. can be indicated when field action；In addition instrument range is limited by structural volume, use to space size requirement compared with
It is more.
Summary of the invention
The present invention is that solve existing pressure instruction service life in bad external operations environment short, indicate unstable, structure by
The problems such as limit, when to not needing quantitative instruction, the qualitative display of machinery of pressure is realized using Principle of Mechanical Designing, not by height
The limitation of the external operations environment such as temperature, vibration, sand and dust, salt fog, greasy dirt and high-intensity magnetic field, display is eye-catching, and indicates that reliably the service life is long
Pressure-indication means and pressure indicating means.
A kind of pressure-indication means contain protection end cap, screw shell, instruction core bar, spring, seal cartridge, limit lining
The upper end outside of set, the screw shell is equipped with external screw thread, connect with protection end cap, and screw shell lower end is equipped with external screw thread, with
Pressure piping is tightly connected, and is the smooth three-level stepped hole of a wall surface in screw shell, and the upper diameter of stepped hole is maximum, in
Portion takes second place, and lower end is minimum, and for connecting seal cartridge and limiting bush, the instruction core bar is embedded in spiral shell on the top of stepped hole
In the stepped hole of line sleeve, indicate that the middle part of core bar is equipped with upper and lower two stopping steps, the distance between two stopping steps are small
Height in screw shell middle bench hole is equipped with spring in the middle part of the stepped hole of screw shell, indicates that the top of core bar passes through
The centre bore of seal cartridge and limiting bush indicates that the upper end of core bar is equipped with pressure indicateing arm, indicates that the lower part of core bar is inserted
The lower part for entering stepped hole indicates that the longitudinal center of core bar is the blind hole of a lower ending opening, and the lower ending opening of the blind hole is connected to spiral shell
The stepped hole lower end of line sleeve, the umbo of the protection end cap, is equipped with transparent observation window at umbo.
In use, according to using the pressure codomain of equipment to select matched pressure-indication means；Matched pressure is indicated
Device and the pressure acquisition mouth sealed connection for using equipment act on the blind of instruction core bar lower ending opening using the pressure of equipment
Hole pushes instruction core bar to move up, and the pressure indicateing arm for indicating core bar top is made to be moved to the observation window at protection end cap, dimension
Shield personnel obtain the pressure state in equipment by the color of indicateing arm in observation window.When instruction is designated as green in observation window
When, indicate good using pressure in equipment；When instruction is designated as orange in observation window, indicate using pressure reduction in equipment but not
It influences to work normally；When instruction is designated as red in observation window, expression has been not achieved use using hypotony in equipment and has wanted
It asks, needs pressurising immediately.
The beneficial effects of the present application are as follows: 1) the application pressure-indication means well starve pressure indicating means, is set using machinery
The qualitative display of machinery that principle realizes pressure is counted, the badly operation ring such as high/low temperature, vibration, sandstone, salt fog and high-intensity magnetic field is adapted to
Border, instruction is reliable, and failure rate is indicated well below meters, reduces working service cost.2) this pressure-indication means structure
Simply, each External Shape and structure are conventional, easily manufacture.Conventional easily buying material can be selected in each part material, and cost compares meters
It is low.And structural volume is small, the pressure that can meet in most small space shows demand.3) this pressure-indication means is intuitive eye-catching aobvious
Show, meets the maintenance needs of ground maintenance personnel.
Attached drawing is described in further detail the application with reference to embodiments:
Detailed description of the invention
Fig. 1 is pressure-indication means structure and the instruction signal of pressure normal condition.
Fig. 2 is the signal of pressure indicating means.
Fig. 3 is pressure decline state instruction signal.
Fig. 4 is the signal of pressure fault state instruction.
Explanation: 1 protection end cap, 2 screw shells, 3 instruction core bars, 4 springs, 5 sealing rings, 6 seal cartridges, 7 is numbered in figure
Limiting bush, stopping step, 9 lower stopping steps, 10 stepped holes, 11 observation windows, 12 pressure indicateing arms, 13 pressure acquisitions on 8
Mouthful.
Specific embodiment
Referring to attached drawing, the pressure-indication means of the application contain protection end cap 1, screw shell 2, instruction core bar 3, spring
4, the upper end outside of seal cartridge 6, limiting bush 7, the screw shell 2 is equipped with external screw thread, connect with protection end cap 1, screw thread
2 lower end of sleeve is equipped with external screw thread, is tightly connected with the pressure acquisition mouth 13 of pressure piping, is a wall surface light in screw shell 2
The upper diameter of sliding three-level stepped hole 10, stepped hole 10 is maximum, and middle part is taken second place, and lower end is minimum, and the top of stepped hole 10 is used for
Seal cartridge 6 and limiting bush 7 are connected, the inside of seal cartridge 6 is sealed by sealing ring and instruction core bar 3, seal cartridge 6
Outside sealed by another sealing ring 5 and screw shell inner wall, the instruction core bar 3 is embedded in the step of screw shell 2
In hole 10, the middle part of instruction core bar 3 is equipped with upper and lower two stopping steps, upper stopping step 8 and lower stopping step 9, two stop
The distance between step is less than the height in screw shell middle bench hole, and spring is equipped in the middle part of the stepped hole 10 of screw shell 2,
The spring is socketed on instruction core bar, indicates that the lower stopping step of core bar can push the spring, the top of instruction core bar 3 passes through
The centre bore of seal cartridge 6 and limiting bush 7, limiting bush implement limit to the upper stopping step of instruction core bar, indicate core bar
3 upper end is equipped with pressure indicateing arm 12, the lower part of the lower part insertion stepped hole 10 of instruction core bar 3, for the fortune for indicating core bar
The effect of its positioning and guiding is moved, the longitudinal center of instruction core bar 3 is the blind hole of a lower ending opening, the lower ending opening connection of the blind hole
10 lower end of stepped hole of screw shell 2, the umbo of the protection end cap 1, is equipped with transparent observation at umbo
Window 11.
In implementation, the pressure indicateing arm on instruction core bar top is three instruction block groups by green, orange, red three kinds of color markings
At.Normal, the placed in the middle orange instruction block representative pressure decline of the green instruction block representative pressure of lower section, the red instruction block at top
Representative pressure is too low.
This pressure-indication means need to be installed under equipment pressure release state, when installation, need to select one and equipment pressure
The matched pressure-indication means of power are tightly connected, installation by matched pressure-indication means and using the pressure acquisition mouth of equipment
Pressurising is carried out to equipment after the completion.The blind hole of instruction core bar lower ending opening is acted on using the pressure of equipment, pushes instruction core bar
It moves up, the pressure indicateing arm for indicating core bar top is made to be moved to the observation window at protection end cap, maintenance personnel passes through observation
The color of indicateing arm obtains the pressure state in equipment in window.When instruction is designated as green in observation window, indicate to use equipment
Interior pressure is good；When instruction is designated as orange in observation window, indicates using pressure reduction in equipment but do not influence to work normally；When
When instruction is designated as red in observation window, indicates that requirement has been not achieved using hypotony in equipment, need pressurising immediately.
The pressure of equipment pressure acquisition mouth is by indicating that core bar inner hole is connected to screw shell inner cavity, when equipment pressure is enough
When, which generates thrust and pushes instruction core bar against the force of the spring, and compressed spring moves up the upper stop platform of instruction core bar
Limit of the rank 8 by limiting bush 7 indicate stopping step upper surface and limiting bush lower end face contact on core bar and limit, this
When, the green instruction block on instruction core bar top reaches at the peep hole for protecting the side of end cap.Therefore work as from protection end cap peep hole
Green instruction block is seen at place, illustrates that the pressure in equipment is normal enough.
When the pressure acquisition mouth pressure reduction of equipment but still when can guarantee equipment use demand, instruction core bar is because be subject to
Thrust decline, and then moved down from upper limit position along instruction core bar axis, so that orange instruction block is dropped to the sight of protection end cap
When examining at hole, therefore work as from protection end cap peep hole it can be seen that orange instruction block, illustrates that the pressure in equipment has loss, but not
To the threshold pression of equipment normal use.Maintenance personnel should be reminded to supplement pressure at this time.
When the pressure acquisition mouth pressure of equipment drops to the threshold pression of equipment normal use, instruction core bar along axis to
Under be moved to lower position.The second level platform of stepped hole 10 in 9 lower surface of lower stopping step and thread bush of core bar is indicated at this time
Rank end face contacts and limits, at the peep hole for the side that the red instruction block on instruction core bar top reaches shell.Therefore work as from shell
It can be clearly visible red instruction block at the peep hole of side, illustrate that pressure in equipment has reached the lower pressure limiting of equipment normal use
Power.Maintenance personnel is alerted at this time, it is necessary to be stopped using equipment and be supplemented pressure.
This pressure-indication means realizes the qualitative display of machinery of pressure using Principle of Mechanical Designing, adapts to high/low temperature, vibration
The severe operating environment such as dynamic, sandstone, salt fog and high-intensity magnetic field, instruction is reliable, and failure rate indicates that reducing makes well below meters
Use maintenance cost.
This pressure-indication means structure is simple, and each External Shape and structure are conventional, easily manufactures.Each part material can be selected normal
Rule easily buying material, cost is lower than meters.And structural volume is small, the pressure that can meet in most small space shows demand.
This pressure-indication means intuitively highlights, and meets the maintenance needs of ground maintenance personnel.
Claims (2)
1. a kind of pressure-indication means containing protection end cap, screw shell, indicate core bar, spring, seal cartridge, limiting bush,
It is characterized in that, being equipped with external screw thread on the outside of the upper end of the screw shell, it is connect with protection end cap, screw shell lower end is equipped with outer
Screw thread is tightly connected with pressure piping, is the smooth three-level stepped hole of a wall surface, the upper diameter of stepped hole in screw shell
Maximum, middle part are taken second place, and lower end is minimum, and the top of stepped hole is for connecting seal cartridge and limiting bush, the instruction core bar
It is embedded in the stepped hole of screw shell, indicates that the middle part of core bar is equipped with upper and lower two stopping steps, between two stopping steps
Distance be less than screw shell middle bench hole height, in the middle part of the stepped hole of screw shell be equipped with spring, indicate core bar
Top passes through the centre bore of seal cartridge and limiting bush, indicates that the upper end of core bar is equipped with pressure indicateing arm, indicates core bar
Lower part insertion stepped hole lower part, indicate that the longitudinal center of core bar is the blind hole of a lower ending opening, the lower end of the blind hole is opened
The stepped hole lower end of mouth connection screw shell, the umbo of the protection end cap, is equipped with transparent sight at umbo
Examine window.
2. pressure-indication means as described in claim 1, which is characterized in that the pressure indicateing arm on the instruction core bar top
It is made of three instruction blocks of green, orange, red three kinds of color markings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498853.0U CN209639891U (en) | 2019-04-12 | 2019-04-12 | A kind of pressure-indication means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498853.0U CN209639891U (en) | 2019-04-12 | 2019-04-12 | A kind of pressure-indication means |
Publications (1)
| Publication Number | Publication Date |
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| CN209639891U true CN209639891U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920498853.0U Active CN209639891U (en) | 2019-04-12 | 2019-04-12 | A kind of pressure-indication means |
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| CN (1) | CN209639891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031147A (en) * | 2019-04-12 | 2019-07-19 | 西安飞机工业（集团）有限责任公司 | A kind of pressure-indication means and pressure indicating means |
-
2019
- 2019-04-12 CN CN201920498853.0U patent/CN209639891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031147A (en) * | 2019-04-12 | 2019-07-19 | 西安飞机工业（集团）有限责任公司 | A kind of pressure-indication means and pressure indicating means |
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