CN205938019U - Show and press memory warning type relief valve - Google Patents
Show and press memory warning type relief valve Download PDFInfo
- Publication number
- CN205938019U CN205938019U CN201620909336.4U CN201620909336U CN205938019U CN 205938019 U CN205938019 U CN 205938019U CN 201620909336 U CN201620909336 U CN 201620909336U CN 205938019 U CN205938019 U CN 205938019U
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- CN
- China
- Prior art keywords
- positioning
- spring
- tie bar
- sliding sleeve
- pressure
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a show and press memory warning type relief valve, it combines and to adopt spring safety valve for the hydraulic support to involve a colliery, the purpose is that lie in overcoming not enough in the current relief valve technique and a kind of providing not only can show the size of system pressure and record support operating pressure's situation of change at any time, and at suitable within range, but can arrive relief valve operating condition according to the different colored luminous pattern distant surveillances that the valve body surface was equipped with, thereby realize the safety support situation of remote this support of judgement.
Description
Technical field
The utility model is related to a kind of coal mine fully-mechanized mining hydraulic support spring loaded safety valve.
Background technology
At present, home and abroad is used for the spring loaded safety valve on coal mine fully-mechanized mining hydraulic support, although type is a lot, substantially
Principle is roughly the same with structure, is all to open and close with the relief port that the height of system pressure makes safety valve, single function, warp
Long-term observation thinks, used various types of safety valves also have many weak points.As：
1st, the equal no pressure of existing safe valve technology shows and alarm function, post staff cannot observe and judge hydraulic pressure
The size of working resistance of support and situation of change.Let alone distant surveillance and discriminatory analysis top board and base plate situation of change.
2nd, because of the memory of no original pressure level, as system pressure changes during work, safety valve whether action, system is
The problems such as no leakage, neither one reference mark is used for according to it is impossible to the exclusion of discriminatory analysis solve problem and hidden danger.
Content of the invention
The purpose of this utility model is a kind of aobvious pressure memory being to overcome existing safety valve technical not enough and providing
Caution type safety valve, this kind of safety valve not only can manifest the size of system pressure and the change feelings recording support operating pressure at any time
Condition, and in proper range, the color luminous pattern distant surveillance of the different colours being provided with according to valve outer surface is arrived
Safety valve working condition, thus realize judging the safety support situation of this support at a distance.
For achieving the above object, a kind of aobvious pressure memory caution type safety valve that the utility model provides, it includes：
Valve cylinder is connected with valve head through screw thread, is provided with sliding sleeve in valve head, is provided with positioning sleeve in sliding sleeve, is provided with positioning in positioning sleeve
Pull bar, is provided with valve cylinder and dynamically shows gland, dynamically show in gland and be provided with memory cover, be provided with compression spring A, spring A in memory cover
Lower end is provided with spring base, dynamically shows gland and is threaded connection as an entirety through spring base and sliding sleeve, spring A upper end is provided with tune
Pressure back-up ring, pressure regulation back-up ring is connected with positioning tie bar through screw thread, positioning tie bar passes through spring A endoporus and positioning sleeve and valve head screw thread connects
It is connected in one, positioning tie bar upper end is provided with threaded pressure cap.
Sliding sleeve bottom is provided with a relief hole, be respectively adopted between sliding sleeve surfaces externally and internally and positioning sleeve and valve head sealing ring A,
Sealing ring B seals and forms annular sealed space.
Positioning sleeve endoporus is provided with a push-and-pull with positive stop lug boss through a threaded positioning tie bar, positioning tie bar endoporus
Bar, boss upper end is provided with compression spring B, and spring B is controlled in positioning by the pressure cap of positioning tie bar upper end and pull bar positive stop lug boss
Pull bar in the hole, and pull bar is formed with downward thrust.
Pull bar upper end is passed by pressure cap center hole, connects as one with memory cover through screw thread, memory cover and positioning
Between pull bar, the effect because of spring B is in tension all the time.
It is provided with multiple apertures, little in the hole is provided with steel ball, and steel ball is limited by check circle and pull bar, check in the middle part of positioning tie bar
It is provided with elastic ring, by the thrust of elastic ring, check circle passes through through the circular cone that endoporus is provided between circle lower section and sliding sleeve
Steel ball extrudes to pull bar, makes pull bar be formed down one-way check.
Valve cylinder, dynamically aobvious gland, the outer surface of memory cover all make different colours figure of different shapes using luminescent material
Case.
The utility model, compared with existing spring loaded safety valve, has following more significant beneficial effect.
1st, due to valve cylinder, dynamically show gland, memory cover outer surface all different colours not similar shape is made using luminescent material
The pattern of shape, can distant surveillance to safety valve working condition, it is achieved thereby that just can determine whether the safety support of this support at a distance
Shield situation.
2nd, valve cylinder, dynamically aobvious gland and memory cover three mutual action cooperation, can manifest system pressure and record at any time
The situation of change of frame operating pressure, judges for quick analysis and exclusion accident potential, the personal safety for live worker provides
Reliable guarantee.
Brief description
Fig. 1 is a kind of aobvious pressure memory caution type safety valve
In figure sequence number is labeled as：1st, outage A, 2, memory cover, 3, pressure cap, 4, outage B, 5, pressure regulation back-up ring, 6, dynamic
Aobvious gland, 7, pull bar, 8, valve cylinder, 9, positioning tie bar, 10, spring A, 11, spring B, 12, steel ball, 13, check circle, 14, spring
Seat, 15, outage C, 16, spring 3,17, sealing ring A, 18, sealing ring B, 19, sliding sleeve, 20, relief hole, 21, sealing ring C, 22,
Valve head, 23, inlet opening, 24, positioning sleeve, 25, memory cover 2 outer surface triangle color luminous pattern, 26, memory cover 2 outer surface just
Square color luminous pattern, 27, dynamically show the endless belt-shaped color luminous pattern of gland 6 outer surface, 28, outside valve cylinder 8 colorful light-emitting
Surface.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, aobvious pressure memory caution type safety valve includes：Valve cylinder 8 is connected with valve head 22 through screw thread, sets in valve head 22
There is sliding sleeve 19, in sliding sleeve 19, be provided with positioning sleeve 24, in positioning sleeve 24, be provided with positioning tie bar 9, be provided with valve cylinder 8 and dynamically show gland 6,
Dynamically show in gland 6 and be provided with memory cover 2, be provided with compression spring A10 in memory cover 2, spring A10 lower end is provided with spring base 14, move
State shows gland 6 and is threaded connection as an entirety through spring base 14 and sliding sleeve 19, and spring A10 upper end is provided with pressure regulation back-up ring 5 warp
Screw thread is connected with positioning tie bar 9, positioning tie bar 9 is threadeded with positioning sleeve 24 and valve head 22 through spring A10 endoporus and is integrated,
Positioning tie bar 9 upper end is provided with threaded pressure cap 3.
Sliding sleeve 19 bottom is provided with multiple relief holes 20, adopts respectively between sliding sleeve 19 surfaces externally and internally and positioning sleeve 24 and valve head 22
Sealed and formed annular sealed space with sealing ring A17, sealing ring B18.
Positioning sleeve 24 endoporus is provided with one with positive stop lug boss through a threaded positioning tie bar 9, positioning tie bar 9 endoporus
Pull bar 7, boss upper end is provided with compression spring B11, and spring B 11 is positioned pressure cap 3 and pull bar 7 limit convex of pull bar 9 upper end
Platform controls in positioning tie bar 9 in the hole, and forms downward thrust to pull bar 7.
Pull bar 7 upper end is passed by pressure cap 3 center hole, connects as one with memory cover 2 through screw thread, memory cover 2 warp
Pull bar 7 and the effect of spring B 11, are in pulling-down state all the time with dynamically showing gland 6.
It is provided with multiple apertures, little in the hole is provided with steel ball 12, steel ball 12 is subject to check circle 13 and pull bar 7 in the middle part of positioning tie bar 9
Limit, be provided with elastic ring 16 between check circle 13 lower section and sliding sleeve 19, by the thrust of elastic ring 16, check circle 13 is through endoporus
The circular cone being provided with is extruded to pull bar 7 by steel ball 12, makes pull bar 7 be formed down one-way check.
Valve cylinder 8, dynamically aobvious gland 6, the outer surface 25,26,27,28 of memory cover 2 all make different face using luminescent material
Color pattern of different shapes, wherein：The outer surface 25 of memory cover 2 is triangle, the outer surface 27 of memory cover 2 is square, moves
It is endless belt-shaped that state shows gland 6 outer surface, and valve cylinder 8 outer surface 28 is colorful light-emitting coverage rate.Each pattern and color and dimensions can roots
Depending on fielded system pressure and operating pressure.
Operation principle
Valve head 22 sealed circle C21 is connected with the equipment protected or pressure system, carries pressure medium and enters through inlet opening 23
In the annular space of sliding sleeve 19 lower end, sliding sleeve 19 stand under load presses the effect of medium, overcomes spring A10 thrust to move and promotes through spring base 14
Dynamically show and move on gland 6 and memory cover 2 and interconnective pull bar 7, spring B 11 lower end, journey of above dividing a word with a hyphen at the end of a line and position can bases
Scene needs and sets.
When the relief hole 20 of sliding sleeve 19 lower end exceedes sealing ring B18 sealing station, carry pressure medium through relief hole 20, discharge opeing
C15, outage B 4, outage A 1 discharge.When sliding sleeve 19 lower end no relief hole 20, safety valve is changed into sentinel valve.
When carrying pressure pressure medium and reducing, sliding sleeve 19 and dynamically show gland 6 and move down, memory cover 2 and interconnective push-and-pull
(because of the thrust by elastic ring 16, check circle 13 passes through steel ball 12 through the circular cone that endoporus is provided with for bar 7, spring B 11 lower end
Pull bar 7 is extruded, makes pull bar 7 be formed down one-way check) position keep constant, memory cover 2 position enter memory.
When carrying pressure pressure medium continuation reduction, dynamically showing gland 6 position can move down with the reduction carrying pressure pressure medium,
Now dynamically showing gland 6 upper surface position with the distance between memory cover 2 upper surface, valve cylinder 8 upper surface three position is pressure reduction,
Magnitude of pressure differential can according to valve cylinder 8, dynamically show gland 6, memory cover 2 the manifested position of outer surface 25,26,27,28 pattern color
Judge and analyze.Wherein：Valve cylinder 8 upper surface is initial position, and dynamically showing gland 6 upper surface is dynamic duty position, memory cover 2
Upper surface is high pressure or superpressure position.
When load pressure pressure medium continues to be decreased to 0, the lower surface of sliding sleeve 19 upper end inner convex platform suppresses check circle 13 and bullet
Property circle 16 upper end move down, discharge steel ball 12, release non-return effect to pull bar 7, memory cover 2 is subject to spring B 11 through pull bar 7
Under push away effect and move down, automatically reply initial position, memory clearing is simultaneously prepared to enter into next working cycles.
Claims (3)
1. a kind of aobvious pressure memory caution type safety valve, it is included valve cylinder (8) and is connected with valve head (22) through screw thread, and valve head sets in (22)
There is sliding sleeve (19), be provided with positioning sleeve (24) in sliding sleeve (19), in positioning sleeve (24), be provided with positioning tie bar (9)；Valve cylinder is provided with (8)
Dynamically show gland (6), dynamically show in gland (6) and be provided with memory cover (2), in memory cover (2), be provided with compression spring A (10), spring A
(10) lower end is provided with spring base (14), dynamically shows gland (6) and is threaded connection as one through spring base (14) and sliding sleeve (19)
Overall；Spring A (10) upper end is provided with pressure regulation back-up ring (5), and pressure regulation back-up ring (5) is connected with positioning tie bar (9) through screw thread, positioning tie bar
(9) threaded with positioning sleeve (24) and valve head (22) through spring A (10) endoporus and be integrated；Positioning tie bar (9) upper end is provided with
Threaded pressure cap (3), sliding sleeve (19) bottom is provided with multiple relief holes (20), sliding sleeve (19) surfaces externally and internally and positioning sleeve (24)
It is respectively adopted sealing ring A (17) and valve head (22) between, sealing ring B (18) seals and forms annular sealed space；Positioning sleeve
(24) through a threaded positioning tie bar (9), positioning tie bar (9) endoporus is provided with a pull bar with positive stop lug boss to endoporus
(7), boss upper end is provided with compression spring B (18), and spring B (18) is subject to pressure cap (3) and the pull bar (7) of positioning tie bar (9) upper end
Positive stop lug boss controls in positioning tie bar (9) in the hole, and forms downward thrust to pull bar (7)；Pressure is passed through in pull bar (9) upper end
Cap (3) center hole passes, and connects as one with memory cover (2) through screw thread；Because of bullet between memory cover (2) and positioning tie bar (9)
The effect of spring B (18) is in tension all the time, it is characterized in that：It is provided with multiple apertures, aperture in the middle part of described positioning tie bar (9)
Inside be provided with steel ball (12), steel ball (12) be subject to check circle (13) and pull bar (7) restriction, below check circle (13) with sliding sleeve (19) it
Between be provided with elastic ring (16), by the thrust of elastic ring (16), check circle (13) passes through steel through the circular cone that endoporus is provided with
Ball (12) extrudes to pull bar (7), makes pull bar (7) be formed down one-way check.
2. a kind of aobvious pressure memory caution type safety valve according to claim 1, is characterized in that：Sliding sleeve (19) bottom is provided with
Multiple relief holes (20), work as sliding sleeve（19）Lower end no relief hole（20）When, safety valve is changed into sentinel valve.
3. a kind of aobvious pressure memory caution type safety valve according to claim 1, is characterized in that：The outer surface of memory cover (2)
(25) outer surface (26) for triangle, memory cover (2) is square, and it is endless belt-shaped for dynamically showing gland (6) outer surface (27),
Valve cylinder (8) outer surface (28) is colorful light-emitting coverage rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620909336.4U CN205938019U (en) | 2016-08-15 | 2016-08-15 | Show and press memory warning type relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620909336.4U CN205938019U (en) | 2016-08-15 | 2016-08-15 | Show and press memory warning type relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205938019U true CN205938019U (en) | 2017-02-08 |
Family
ID=57948353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620909336.4U Expired - Fee Related CN205938019U (en) | 2016-08-15 | 2016-08-15 | Show and press memory warning type relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205938019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286914A (en) * | 2016-08-15 | 2017-01-04 | 赵士民 | A kind of aobvious pressure memory caution type relief valve |
-
2016
- 2016-08-15 CN CN201620909336.4U patent/CN205938019U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286914A (en) * | 2016-08-15 | 2017-01-04 | 赵士民 | A kind of aobvious pressure memory caution type relief valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |