CN209340519U - A kind of reverse turning bed structure of automatic trigger - Google Patents
A kind of reverse turning bed structure of automatic trigger Download PDFInfo
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- CN209340519U CN209340519U CN201821300093.XU CN201821300093U CN209340519U CN 209340519 U CN209340519 U CN 209340519U CN 201821300093 U CN201821300093 U CN 201821300093U CN 209340519 U CN209340519 U CN 209340519U
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- triggering
- flap
- shoulder
- valve seat
- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000006978 adaptation Effects 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a kind of reverse turning bed structures of automatic trigger, including flap valve, outer cylinder, core tube and trigger mechanism, trigger mechanism includes triggering inner cylinder and triggering block, triggering block is placed in the through-hole of triggering inner cylinder side wall, there is the lug boss being adapted to triggering block on core tube, outer tube inner wall has the escape port being adapted to triggering block；Valve seat outer wall is equipped with elastic latch, and elastic latch is operationally kept out in the through hole of outer tube side wall；Spring leaf one end is slidably connected with flap, and the spring leaf other end is connect with outer cylinder；When core tube is located in valve seat, elastic latch lower end is kept out in through hole, and flap is opened and is located between triggering inner cylinder and outer cylinder；When core tube is up-shifted to certain altitude, flap returns to valve seat top surface and contacts with valve base sealing, and triggering inner cylinder is pressed on flap.Flap is pressed on triggering inner cylinder when the utility model valve is closed, and seal pressure is big, and sealing performance is reliable；It can realize and automatically turn in cylinder external trigger when docking operation.
Description
Technical field
The utility model relates to coring equipment technical field more particularly to a kind of reverse turning bed structures of automatic trigger.
Background technique
Currently, pressure maintaining cylinder upper end generally uses piston seal in pressure maintaining coring field, pressure maintaining cylinder lower end generallys use ball valve
Sealing or flap valve sealing.Ball-valve structure is more complicated, and volume exclusion is big, limits the diameter of core-drilling, ball valve processing
Technique require it is high, and when pressure is larger, liquid inside pressure maintaining cylinder can gap exudation between ball valve and core tube, cannot
Maintain higher pressure.
As shown in Figure 1, existing flap valve, wherein flap valve includes valve seat (serial number 1) and flap (serial number 2), valve
Seat is mounted on outer cylinder (serial number 4) inner wall, and flap one end and valve seat upper end lateral wall are hinged, and it is close that valve clack sealing surface is equipped with flap
Seal (serial number 24), have at the top of valve seat with the matched sealing valve port face of flap (serial number 11), when core tube (serial number 7) is located at valve seat
When middle, due to the active force of core tube, flap is made to open 90 degree, and be hidden between core tube and outer cylinder (serial number 4).In coring
In the stage, after core tube is lifted up certain altitude, flap is automatically closed under the action of elastic slice (serial number 3), but this turns over
Plate valve structure is in seal pressure hour poor sealing performance.In addition, flap can only upwardly open when docking with experimental cabin, open
When flap deposit blocking, open difficult and be inconvenient to operate.
Utility model content
The utility model is intended to provide a kind of reverse turning bed structure of automatic trigger, increases and closes trigger mechanism come when increasing closing
Seal pressure, improve the sealing performance of valve；Increase docking and open trigger architecture to realize an external trigger, automatically turns on, behaviour
Facilitate.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of reverse turning bed structure of automatic trigger, including flap valve, outer cylinder, core tube and trigger mechanism, flap valve include valve
Seat, flap and spring leaf, valve seat are set in outer cylinder, and flap and valve seat upper end are hinged, are had and the matched valve port of flap at the top of valve seat
Sealing surface, trigger mechanism include triggering inner cylinder and triggering block, and triggering inner cylinder side wall is equipped with through-hole, and triggering block is placed in through-hole
In, core tube lower outside wall has the lug boss being adapted to triggering block, and outer tube inner wall has the escape port being adapted to triggering block, triggering
Block is located above flap, and escape port is located above triggering block；
Outer tube side wall is equipped at least one through-hole, and valve seat outer wall is equipped with the elastic latch that is adapted to through-hole, on elastic latch
End is connect with valve seat, and elastic latch lower end is operationally kept out in through hole；Described spring leaf one end and flap lateral wall slide
Connection, the spring leaf other end are connect with outer cylinder；
When core tube is located in valve seat, inner cylinder is triggered between core tube and outer cylinder, triggering block externally protrudes out in triggering
The inner sidewall of cylinder, elastic latch lower end are kept out in through hole, and flap is opened and is located between triggering inner cylinder and outer cylinder；When by core
Cylinder is when being up-shifted to certain altitude, and it is in sealing contact with sealing valve port face that flap returns to valve seat top surface, triggers inner cylinder and is pressed in flap
On.
Further, trigger mechanism further includes triggering spring, and triggering spring pocket is outside triggering inner cylinder, outside the triggering inner cylinder
Wall has annular convex platform, there is the 4th shoulder above outer tube inner wall escape port, and the 4th shoulder is located above annular convex platform, triggers spring
Between annular convex platform and the 4th shoulder, triggering spring is located above triggering block.
Wherein, it when core tube is located in valve seat, is contradicted at the top of flap with annular convex platform.
Further, when elastic latch lower end is not kept out at through hole, the step of outer tube inner wall withstands triggering inner cylinder.
Further, valve seat outer wall is equipped with first shoulder, and outer tube inner wall has the second shoulder, and first shoulder is located at elastic latch
Top is equipped with spring between the second shoulder and first shoulder, when elastic latch lower end is kept out at through hole, spring is compression shape
State.
Further, outer tube inner wall has the third shoulder being adapted to first shoulder, and the second shoulder is located above third shoulder,
When elastic latch lower end is kept out at through hole, first shoulder and third shoulder are inconsistent.
Wherein, circumferential on outer cylinder to be equipped at least two through-holes at equal intervals.
Preferably, valve seat is equipped with a circle elastic latch.
Wherein, flap outer surface is equipped with sliding slot, and the spring leaf other end is in sliding slot.
Further, spring leaf includes shaft, sliding block and flexible elastic slice, and elastic slice one end is connect with sliding block, elastic slice
The other end is connect with shaft, and shaft is mounted on outer cylinder, and sliding block is in sliding slot.
Compared with prior art, the utility model has the following beneficial effects:
1, flap is by the triggering inner cylinder for being pressed on falling when valve is closed in the utility model, and seal pressure is big, sealing performance
Reliably；
2, the utility model is simple in sturcture, ingenious in design, can realize that automatic butt is opened in cylinder external trigger, can be by rock
Core is out of core barrel push-in experimental cabin；
3, docking open when flap open downwards, downwards open not by pressure and structure blocking thus be easier.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model when flap upwardly opens；
Fig. 3 is the structural schematic diagram of the utility model when flap is closed；
Fig. 4 is the structural schematic diagram of the utility model when flap docking is opened；
Fig. 5 is longitudinal view of flap；
Fig. 6 is the transverse views of flap；
Fig. 7 is the structural schematic diagram of elastic card gear ring；
In figure: 1- valve seat, 2- flap, 3- spring leaf, 4- outer cylinder, 5- spring, 6- sealing ring, 7- core tube, 8- lug boss,
9- spring, 11- sealing valve port face, 12- elastic latch, 21- sliding slot, 31- shaft, 32- elastic slice, 33- sliding block, 41- through-hole, 42-
Escape port, 51- triggering spring, 52- triggering inner cylinder, 53- triggering block, 54- annular convex platform, 81- first shoulder, the second shoulder of 82-,
83- third shoulder, the 4th shoulder of 84-.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 2,3, 4, the reverse turning bed structure of a kind of automatic trigger disclosed by the utility model, including flap valve, outer cylinder
4, core tube 7 and trigger mechanism, flap valve include valve seat 1, flap 2 and spring leaf 3, and valve seat 1 is set in outer cylinder 4, flap 2 and valve
1 upper end of seat is hinged, has at the top of valve seat 1 and the matched sealing valve port face 11 of flap 2.Trigger mechanism includes triggering inner cylinder 52 and triggering
Block 53, triggering 52 side wall of inner cylinder are equipped with through-hole, and triggering block 53 is placed in through-hole, and 7 bottom outside wall of core tube has and triggers
The lug boss 8 that block 53 is adapted to；4 inner wall of outer cylinder has the escape port 42 being adapted to triggering block 53, and triggering block 53 is located at 2 top of flap,
Escape port 42 is located at 53 top of triggering block.
As shown in Fig. 2, triggering inner cylinder 52 between core tube 7 and outer cylinder 4, touching when core tube 7 is located in valve seat 1
Hair block 53 externally protrudes out in the inner sidewall of triggering inner cylinder 52, and flap 2 is opened and is located between triggering inner cylinder 52 and outer cylinder 4.
As shown in figure 3, crossing flap valve when core tube 7 to be lifted up, the lug boss 8 of 7 bottom of core tube drives triggering
Block 53 rises, and triggering inner cylinder 52 is then driven to rise, and when flap 2 is crossed in triggering 52 bottom of inner cylinder, flap 2 is inverted, and returns to valve
1 top surface of seat and sealing valve port face 11 are in sealing contact；When triggering block 53 reaches the escape port 42 of outer cylinder 4 with core tube 7, triggering block
53 can radial displacement be then detached from the effect of 7 lug boss 8 of core tube；When escape port 42 is crossed in 7 bottom of core tube, triggering block
53 lose the active force of core tube 7, and triggering inner cylinder 52 drives triggering block 53 to glide under gravity, is finally pressed in flap 2
On, seal pressure is applied to flap valve.
In another embodiment, trigger mechanism further includes triggering spring 51, and 51 sets of triggering spring in triggering inner cylinder 52
Outside, triggering 52 outer wall of inner cylinder has annular convex platform 54, and there are the 4th shoulder 84, the 4th shoulder 84 in the top of 4 inner wall escape port 42 of outer cylinder
Above annular convex platform 54, triggering spring 51 is set between annular convex platform 54 and the 4th shoulder 84, and triggering spring 51 is located at touching
Send out 53 top of block.When core tube 7 is located in valve seat 1,2 top of flap is contradicted with annular convex platform 54.It is mentioned upwards when by core tube 7
It rises and crosses flap valve, the lug boss 8 of 7 bottom of core tube drives triggering block 53 to rise, and then drives the triggering compression triggering of inner cylinder 52
Spring 51 simultaneously rises；When escape port 42 is crossed in 7 bottom of core tube, triggering block 53 loses the active force of core tube 7, triggers inner cylinder
52 drive triggering block 53 to glide under the action of triggering the elastic force and self gravity of spring 51, are finally pressed on flap 2, to turning over
Plate valve applies seal pressure.
When being closed due to valve, flap 2 is being pressed against by the triggering inner cylinder 52 of top, when being docked with experimental cabin, if using
Flap 2 is upwardly opened, the unlatching of flap 2 is opened more difficult there are blocking of both structure and pressure.
In order to make flap valve dock open when more easy and facilitate operation, the utility model use unlatching trigger architecture
To realize an external trigger operation and automatically turn on.Specifically, at least one through-hole 41 is equipped in 4 side wall of outer cylinder, in 1 outer wall of valve seat
Equipped with the elastic latch 12 being adapted to through-hole 41,12 upper end of elastic latch is connect with valve seat 1, and 12 lower end of elastic latch is freely
End, free end is operationally kept out at through-hole 41.The number of through-hole 41 can according to need setting, such as two, three
Or more, through-hole 41 there are three circumferentially being set at equal intervals in present embodiment, on outer cylinder 4.Elastic latch 12 can be with through-hole 41
Correspond, fewer than or more than through-hole 41 number.Multiple sealing rings 6, sealing are equipped between valve seat 1 and outer cylinder 4
Circle 6 is mounted on valve seat 1, for realizing the sealing between valve seat 1 and outer cylinder 4.
In another embodiment, valve seat 1 is equipped with a circle elastic latch 12.As shown in fig. 7, being set on elastic card gear ring
There are several elastic latchs 12, by elastic card gear ring in the annular groove of 1 outer wall of valve seat.
As in Figure 2-4,1 outer wall of valve seat is equipped with first shoulder 81, and first shoulder 81 is located at 12 top of elastic latch, outer cylinder
4 inner walls have the second shoulder 82, and spring 9 is equipped between the second shoulder 82 and first shoulder 81.9 upper end of spring and the second shoulder 82 connect
It connects, 9 lower end of spring is connect with first shoulder 81.When 12 lower end of elastic latch is kept out at through-hole 41, spring 9 is compression shape
State.Spring 9 selects helical spring, and helical spring is coated at 1 outside of valve seat.
In another embodiment, 4 inner wall of outer cylinder has the third shoulder 83 being adapted to first shoulder 81, the second shoulder 82
Above third shoulder 83.As shown in Fig. 2, 12 lower end of elastic latch is kept out in through-hole when core tube 7 is located in valve seat 1
At 41, by through-hole 41, expansion makes valve seat 1 to keep out on outer cylinder 4 to elastic latch 12 outward under the action of natural resiliency
It can not move down, at this time since first shoulder 81 and third shoulder 83 are inconsistent, valve seat 1 can not be moved up, then lock valve seat sealing position
It sets.
3 one end of spring leaf is slidably connected with 2 lateral wall of flap, and 3 other end of spring leaf is connect with outer cylinder 4.Such as Fig. 5,6 institutes
Show, 2 outer surface of flap is equipped with sliding slot 21, and 3 other end of spring leaf is in sliding slot 21.Spring leaf 3 includes shaft 31,33 and of sliding block
Flexible elastic slice 32, elastic slice 32 are shaped form steel disc, and 32 one end of elastic slice is connect with sliding block 33,32 other end of elastic slice and shaft
31 connections, shaft 31 are mounted on outer cylinder 4, and sliding block 33 is in sliding slot 21.As shown in Figure 2,3, 4, elastic slice 32 stretch with it is curved
Always outer cylinder 4 and flap 2 are connected when curved state, containing when opening elastic slice 32 as flap 2.
As shown in figure 3, spring leaf 3 pushes to be turned under flap 2 when triggering sealing, sealing cooperation is realized with valve seat 1.Such as Fig. 4 institute
Show, when docking operation, the reset of elastic latch 12 then unlocks from through-hole 41, under the promotion of 9 elastic force of spring, under valve seat 1
It moves and the one end for affecting flap 2 to be attached thereto moves down, the other end of flap 2 is restrained by spring leaf 3, moves down the generation of flap 2 anti-
The movement turned then realizes that sealing docking is opened when the overturning of flap 2 to upright position.At this point, the step of 4 inner wall of outer cylinder is kept out
Inner cylinder 52 is firmly triggered, the position for triggering inner cylinder 52 is fixed.
Flap is by the triggering inner cylinder for being pressed on falling when valve is closed in the utility model, and seal pressure is big, and sealing performance can
It leans on.When docking operation, fidelity cabin need to be connect with Laboratory Module first, then adjust experimental cabin in pressure to fidelity cabin phase
Deng in cylinder external trigger elastic latch, realization flap valve automatic opening, then by core out of core barrel push-in experimental cabin；Simultaneously
Docking open when flap open downwards, downwards open not by pressure and triggering inner cylinder blocking thus be easier.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the spirit of the present invention and its essence
In the case where, those skilled in the art can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of reverse turning bed structure of automatic trigger, including flap valve, outer cylinder (4) and core tube (7), flap valve include valve seat (1),
Flap (2) and spring leaf (3), valve seat (1) are set in outer cylinder (4), and flap (2) and valve seat (1) upper end are hinged, at the top of valve seat (1)
Have and flap (2) matched sealing valve port face (11), it is characterised in that: further include trigger mechanism, trigger mechanism includes in triggering
Cylinder (52) and triggering block (53), triggering inner cylinder (52) side wall are equipped with through-hole, and triggering block (53) is placed in through-hole, core tube
(7) lower outside wall has the lug boss (8) being adapted to triggering block (53), and outer cylinder (4) inner wall has to be kept away with what triggering block (53) was adapted to
It allows mouth (42), triggering block (53) is located above flap (2), and escape port (42) is located above triggering block (53)；
Outer cylinder (4) side wall is equipped at least one through-hole (41), and valve seat (1) outer wall is equipped with the elastic latch being adapted to through-hole (41)
(12), elastic latch (12) upper end is connect with valve seat (1), and elastic latch (12) lower end is operationally kept out at through-hole (41)；
Described spring leaf (3) one end is slidably connected with flap (2) lateral wall, and spring leaf (3) other end is connect with outer cylinder (4)；
When core tube (7) is located in valve seat (1), triggering inner cylinder (52) is located between core tube (7) and outer cylinder (4), triggering block
(53) externally protrude out in the inner sidewall of triggering inner cylinder (52), elastic latch (12) lower end keeps out at through-hole (41), flap (2) open and
Between triggering inner cylinder (52) and outer cylinder (4)；When core tube (7) is up-shifted to certain altitude, flap (2) returns to valve
Seat (1) top surface and sealing valve port face (11) are in sealing contact, and triggering inner cylinder (52) is pressed on flap (2).
2. a kind of reverse turning bed structure of automatic trigger according to claim 1, it is characterised in that: trigger mechanism further includes triggering
Spring (51), triggering spring (51), which covers, is triggering inner cylinder (52) outside, and triggering inner cylinder (52) outer wall has annular convex platform (54), outside
There is the 4th shoulder (84) above cylinder (4) inner wall escape port (42), the 4th shoulder (84) is located above annular convex platform (54), triggering
Spring (51) is set between annular convex platform (54) and the 4th shoulder (84), and triggering spring (51) is located above triggering block (53).
3. a kind of reverse turning bed structure of automatic trigger according to claim 2, it is characterised in that: when core tube (7) is located at valve
When in seat (1), contradicted at the top of flap (2) with annular convex platform (54).
4. a kind of reverse turning bed structure of automatic trigger according to claim 1,2 or 3, it is characterised in that: work as elastic latch
(12) when lower end is not kept out at through-hole (41), the step of outer cylinder (4) inner wall withstands triggering inner cylinder (52).
5. a kind of reverse turning bed structure of automatic trigger according to claim 1, it is characterised in that: valve seat (1) outer wall is equipped with the
One shoulder (81), outer cylinder (4) inner wall have the second shoulder (82), and first shoulder (81) is located above elastic latch (12), and second
Spring (9) are equipped between shoulder (82) and first shoulder (81), when elastic latch (12) lower end is kept out at through-hole (41), spring
It (9) is compressive state.
6. a kind of reverse turning bed structure of automatic trigger according to claim 5, it is characterised in that: outer cylinder (4) inner wall has and the
The third shoulder (83) of one shoulder (81) adaptation, the second shoulder (82) is located above third shoulder (83), when elastic latch (12)
When lower end is kept out at through-hole (41), first shoulder (81) and third shoulder (83) are inconsistent.
7. a kind of reverse turning bed structure of automatic trigger according to claim 1, it is characterised in that: between circumferentially equal on outer cylinder (4)
Every equipped at least two through-holes (41).
8. a kind of reverse turning bed structure of automatic trigger according to claim 1 or claim 7, it is characterised in that: valve seat (1) is equipped with one
It encloses elastic latch (12).
9. a kind of reverse turning bed structure of automatic trigger according to claim 1, it is characterised in that: flap (2) outer surface is equipped with
Sliding slot (21), spring leaf (3) other end is in sliding slot (21).
10. a kind of reverse turning bed structure of automatic trigger according to claim 9, it is characterised in that: spring leaf (3) includes shaft
(31), sliding block (33) and flexible elastic slice (32), elastic slice (32) one end are connect with sliding block (33), elastic slice (32) other end with
Shaft (31) connection, shaft (31) are mounted on outer cylinder (4), and sliding block (33) is in sliding slot (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300093.XU CN209340519U (en) | 2018-08-13 | 2018-08-13 | A kind of reverse turning bed structure of automatic trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300093.XU CN209340519U (en) | 2018-08-13 | 2018-08-13 | A kind of reverse turning bed structure of automatic trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340519U true CN209340519U (en) | 2019-09-03 |
Family
ID=67743697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821300093.XU Withdrawn - After Issue CN209340519U (en) | 2018-08-13 | 2018-08-13 | A kind of reverse turning bed structure of automatic trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916393A (en) * | 2018-08-13 | 2018-11-30 | 四川大学 | The reverse turning bed structure of automatic trigger |
| CN113958279A (en) * | 2021-10-29 | 2022-01-21 | 深圳大学 | Magnetic force triggering multidirectional pressure maintaining coring device with simple structure and rock sample extraction method |
-
2018
- 2018-08-13 CN CN201821300093.XU patent/CN209340519U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916393A (en) * | 2018-08-13 | 2018-11-30 | 四川大学 | The reverse turning bed structure of automatic trigger |
| CN108916393B (en) * | 2018-08-13 | 2023-11-03 | 四川大学 | Automatic triggering turning plate structure |
| CN113958279A (en) * | 2021-10-29 | 2022-01-21 | 深圳大学 | Magnetic force triggering multidirectional pressure maintaining coring device with simple structure and rock sample extraction method |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190903 Effective date of abandoning: 20231103 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190903 Effective date of abandoning: 20231103 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |