CN208966234U - A kind of core storage barrel - Google Patents
A kind of core storage barrel Download PDFInfo
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- CN208966234U CN208966234U CN201821299453.9U CN201821299453U CN208966234U CN 208966234 U CN208966234 U CN 208966234U CN 201821299453 U CN201821299453 U CN 201821299453U CN 208966234 U CN208966234 U CN 208966234U
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- triggering
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- valve
- valve seat
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Abstract
The utility model relates to a kind of core storage barrel, including core tube, drilling machine outer cylinder, flap valve and trigger mechanism, flap valve includes valve seat and sealing flap, and valve seat is coaxially mounted on drilling machine outer tube inner wall；Trigger mechanism includes triggering inner cylinder, triggering block and triggering spring, and triggering block is placed in the through-hole of triggering inner cylinder side wall and externally protrudes out in the inner sidewall of triggering inner cylinder, and core tube bottom outside wall has the lug boss being adapted to triggering block；Drilling machine outer tube inner wall has the escape port being adapted to triggering block, and escape port is located above triggering block；It triggers inner cylinder lower end and valve seat seam allowance cooperates.The utility model realizes lower end sealing using flap valve, and flap valve is simple, and sealing flap is hidden between triggering inner cylinder and drilling machine outer cylinder when valve opening, saves space, can eliminate the limitation to core-drilling diameter；When core tube is up-shifted to certain altitude, flap valve is closed and sealing flap is again by the triggering inner cylinder for being pressed on falling, and the seal pressure of valve increases, and sealing performance is reliable.
Description
Technical field
The utility model relates to coring equipment technical field more particularly to a kind of core storage barrels.
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；Although flap valve structure is simple, it is able to maintain that higher pressure, flap valve is in seal pressure hour
Poor sealing performance.
Utility model content
The utility model is intended to provide a kind of core storage barrel, realizes the sealing of pressure maintaining cylinder lower end using flap valve, and increase
Trigger mechanism come increase flap valve close when seal pressure, improve the sealing performance of valve.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of core storage barrel, including core tube, drilling machine outer cylinder, flap valve and trigger mechanism, the flap valve include valve
Seat and sealing flap, the valve seat are coaxially mounted on drilling machine outer tube inner wall, and sealing flap one end and valve seat upper end lateral wall are living
Dynamic connection, valve seat top have and the sealing matched sealing valve port face of flap；
Trigger mechanism includes triggering inner cylinder and triggering block, and the triggering inner cylinder side wall is equipped with through-hole, and triggering block is placed in
In through-hole, core tube bottom outside wall has the lug boss being adapted to triggering block；Drilling machine outer tube inner wall has what is be adapted to triggering block to keep away
Allow mouth, triggering block is located above sealing flap, and escape port is located at triggering block top；
When core tube is located in valve seat, trigger inner cylinder positioned at core tube and drilling machine outer cylinder between, trigger inner cylinder lower end and
The cooperation of valve seat seam allowance, triggering block externally protrude out in the inner sidewall of triggering inner cylinder, and sealing flap opens 90 ° and is located at triggering inner cylinder and drilling machine
Between outer cylinder；When core tube is up-shifted to certain altitude, sealing flap returns to valve seat top surface and sealing valve port face seals
Contact, triggering inner cylinder bottom are pressed on sealing flap.
Further, trigger mechanism further includes triggering spring, and triggering spring pocket is outside triggering inner cylinder, outside the triggering inner cylinder
Wall is equipped with shoulder, and triggering lower spring end is pressed on shoulder, and triggering spring upper end is withstood on the step surface of drilling machine outer cylinder, triggers spring
Above triggering block.
Wherein, drilling machine outer cylinder includes upper outer cylinder, lower outer cylinder and threaded connecting sleeve, and the threaded connecting sleeve lower end is equipped with interior spiral shell
Line is threadedly coupled set upper side and is equipped with external screw thread, and the upper end of lower outer cylinder and the lower thread of threaded connecting sleeve connect, under upper outer cylinder
End is connect with the threaded upper ends of threaded connecting sleeve.
Wherein, the bottom surface of valve seat is contacted with the top surface of threaded connecting sleeve, is equipped between the outer wall of valve seat and the inner wall of upper outer cylinder
Sealing ring.
Further, sealing flap one end is hinged by spring leaf and valve seat upper end lateral wall.
Wherein, spring leaf includes shaft and elastic slice, and there is shaft accommodation groove compatible with shaft on valve seat wall top.
Further, there is the groove for accommodating elastic slice in sealing flap outer surface.
Further, sealing flap periphery is provided with the annular groove for installing sealing ring, is equipped in annular groove close
Seal.
Further, when sealing 90 ° of flap unlatching, sealing flap inner surface is bonded completely with triggering inner tank theca and it
Outer surface and valve seat lateral wall are in the same cylindrical surface.
Compared with prior art, the utility model has the following beneficial effects:
The utility model realizes lower end sealing using flap valve, and flap valve is simple, and sealing flap is hidden in when unlatching
Between inner/outer tube, space is saved, the limitation to core-drilling diameter can be eliminated；Flap is sealed when closing again by the touching for being pressed on falling
Inner cylinder is sent out, seal pressure is big, and sealing performance is reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model when flap valve is opened；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the structural schematic diagram of the utility model when flap valve is closed；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the structural schematic diagram of flap valve；
In figure: 1- core tube, 2- drilling machine outer cylinder, 3- flap valve, 4- spring leaf, 6- drill bit, 7- catch core device, 8- piston, 11-
Outer cylinder, 23- threaded connecting sleeve, 24- escape port, 31- valve seat, 32- sealing flap, 41- turn under the upper outer cylinder of lug boss, 21-, 22-
Axis, 42- elastic slice, 311- sealing valve port face, 321- groove, 322- sealing ring, 51- triggering spring, 52- triggering inner cylinder, 53- triggering
Block, 521- shoulder.
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 1, 2, 3, a kind of core storage barrel disclosed by the utility model, including core tube 1, drilling machine outer cylinder 2, turn over
Plate valve 3 and trigger mechanism, flap valve 3 include valve seat 31 and sealing flap 32, and valve seat 31 is coaxially mounted to 2 inner wall of drilling machine outer cylinder
On, sealing 32 one end of flap is flexibly connected with 31 upper end lateral wall of valve seat, is had at the top of valve seat 31 and the sealing matched valve of flap 32
Mouth sealing surface 311.
Trigger mechanism includes triggering inner cylinder 52 and triggering block 53, and triggering 52 side wall of inner cylinder is equipped with through-hole, and triggering block 53 is put
It is placed in through-hole, 1 bottom outside wall of core tube has the lug boss 11 being adapted to triggering block 53；2 inner wall of drilling machine outer cylinder has and triggers
The escape port 24 that block 53 is adapted to, triggering block 53 are located at 32 top of sealing flap, and escape port 24 is located at 53 top of triggering block.
As shown in figures 1 and 2, when core tube 1 is located in valve seat 31, triggering inner cylinder 52 is located at core tube 1 and drilling machine outer cylinder 2
Between, triggering 52 lower end of inner cylinder and 31 seam allowance of valve seat cooperate, and triggering block 53 externally protrudes out in the inner sidewall of triggering inner cylinder 52, triggering block 53
Outside contacted with 2 inner wall of drilling machine outer cylinder, the inside of triggering block 53 is contacted with 1 outer wall of core tube, sealing flap 32 open 90 ° and
Between triggering inner cylinder 52 and drilling machine outer cylinder 2.
Such as Fig. 4, shown in 5, flap valve 3 is crossed when core tube 1 to be lifted up, the lug boss 11 of 1 bottom of core tube drives
Triggering block 53 rises, and triggering inner cylinder 52 is then driven to rise, and when sealing flap 32 is crossed in triggering 52 bottom of inner cylinder, seals flap
32 reversions, return to 31 top surface of valve seat and sealing valve port face 311 are in sealing contact；When triggering block 53 reaches drilling machine outer cylinder 2 with core tube 1
Escape port 24 when, triggering block 53 can radial displacement be then detached from the effect of 1 lug boss 11 of core tube；When 1 bottom of core tube
When crossing escape port 24, triggering block 53 loses the active force of core tube 1, and triggering inner cylinder 52 drives triggering block under gravity
53 glide, and are finally pressed on sealing flap 32, apply seal pressure to flap valve.
Trigger mechanism further includes triggering spring 51 in another embodiment, and 51 sets of triggering spring in triggering inner cylinder 52
Outside, triggering 52 outer wall of inner cylinder is equipped with shoulder 521, and triggering 51 lower end of spring is pressed on shoulder 521, and triggering 51 upper end of spring withstands on brill
On the step surface of machine outer cylinder 2, triggering spring 51 is located at 53 top of triggering block.Flap valve 3 is crossed when core tube 1 to be lifted up,
The lug boss 11 of 1 bottom of core tube drives triggering block 53 to rise, and then drives the triggering compression of inner cylinder 52 triggering spring 51 and rises；
When escape port 24 is crossed in 1 bottom of core tube, triggering block 53 loses the active force of core tube 1, and triggering inner cylinder 52 is in triggering spring
It drives triggering block 53 to glide under the action of 51 elastic force and self gravity, is finally pressed on sealing flap 32, flap valve 3 is applied
Add seal pressure.
Wherein, drilling machine outer cylinder 2 includes upper outer cylinder 21, lower outer cylinder 22 and threaded connecting sleeve 23, and 23 lower end of threaded connecting sleeve is set
There is internal screw thread, 23 upper end of threaded connecting sleeve is equipped with external screw thread, and the upper end of lower outer cylinder 22 and the lower thread of threaded connecting sleeve 23 connect
It connects, the lower end of upper outer cylinder 21 is connect with the threaded upper ends of threaded connecting sleeve 23.
Wherein, the bottom surface of valve seat 31 is contacted with the top surface of threaded connecting sleeve 23, and the outer wall of valve seat 31 is interior with upper outer cylinder 21
Sealing ring is equipped between wall, sealing ring is mounted on 31 outer wall of valve seat.
The structure of flap valve 3 is as shown in fig. 6, sealing 32 one end of flap passes through spring leaf 4 and valve seat 31 in present embodiment
Upper end lateral wall is hinged.Wherein, spring leaf 4 includes shaft 41 and elastic slice 42, and 31 side wall top of valve seat has to be adapted with shaft 41
Shaft accommodation groove, sealing 32 outer surface of flap have accommodate elastic slice 42 groove 321.Elastic slice 42 is shaped form steel disc, shaped form
Steel disc is stuck at groove 321, and shaped form steel disc can stretch under external force, and curved surface can become plane and and sealing valve
The groove 321 of 32 outer surface of valve is bonded completely.When trigger 52 bottom of inner cylinder cross sealing flap 32 when, be clipped in drilling machine outer cylinder 2 with
It sealing the elastic slice 42 between flap 32 and discharges elastic force, sealing flap 32 inverts under 42 elastic force of elastic slice and self gravitation effect, with
Valve seat 31 realizes sealing cooperation.
In another embodiment, sealing flap 32 is cut with scissors by pin shaft and torque spring and 31 upper end lateral wall of valve seat
It connects.
When sealing 90 ° of the unlatching of flap 32, sealing 32 inner surface of flap is bonded and outside it completely with triggering 52 outer wall of inner cylinder
Surface and 31 lateral wall of valve seat are in the same cylindrical surface.Sealing flap 32 is to intercept semicircle section of jurisdiction by circular conical surface or Surface of Sphere to obtain
The space curved surface obtained, semicircle section of jurisdiction outer diameter are consistent with 31 outer diameter of valve seat.Sealing 32 periphery of flap is provided with for installing sealing ring
322 annular groove is equipped with sealing ring 322 in annular groove.
1 lower end inner wall of core tube, which is equipped with, catches core device 7, and 1 top of core tube is equipped with piston 8, and 2 lower end of drilling machine outer cylinder connects drill bit
6, as shown in Figure 1, 2, rock core drills through the stage, and 1 lower end of core tube passes through valve seat 31 and extends to 2 bottom of drilling machine outer cylinder, close at this time
It seals flap 32 and opens 90 degree, triggering inner cylinder 52 and the sealing close contact of flap 32 can limit sealing flap 32 and rotate.
With the drilling of drill bit 6, core enters in core tube 1 from 1 lower end of core tube and is firmly grasped by catching core device 7, former at this time
Position water environment can invade in core tube 1.
It is promoted when by core tube 1, catches core device 7 and grab rock core and moved up with core tube 1, arrive certain altitude when being promoted
When, triggering 52 pairs of sealing flaps 32 of inner cylinder lose restriction effect, and sealing flap 32 under the action of the spring, returns to 31 top surface of valve seat
In sealing contact with sealing valve port face 311, valve is closed, and is finally pressed on sealing flap 32 by the triggering inner cylinder 52 fallen after rise again, right
Flap valve 3 applies seal pressure, to effectively avoid the fluid loss in core tube 1.
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 (9)
1. a kind of core storage barrel, it is characterised in that: including core tube (1), drilling machine outer cylinder (2), flap valve (3) and triggering machine
Structure, flap valve (3) include valve seat (31) and sealing flap (32), and valve seat (31) is coaxially mounted on drilling machine outer cylinder (2) inner wall, close
Envelope flap (32) one end is flexibly connected with valve seat (31) upper end lateral wall, is had at the top of valve seat (31) matched with sealing flap (32)
Sealing valve port face (311)；
Trigger mechanism includes triggering inner cylinder (52) and triggering block (53), and triggering inner cylinder (52) side wall is equipped with through-hole, triggering block
(53) it is placed in through-hole, core tube (1) bottom outside wall has the lug boss (11) being adapted to triggering block (53)；Drilling machine outer cylinder
(2) inner wall has the escape port (24) being adapted to triggering block (53), and triggering block (53) is located above sealing flap (32), escape port
(24) it is located above triggering block (53)；
When core tube (1) is located in valve seat (31), triggering inner cylinder (52) is located between core tube (1) and drilling machine outer cylinder (2), touches
It sends out inner cylinder (52) lower end and valve seat (31) seam allowance cooperates, triggering block (53) externally protrudes out in the inner sidewall of triggering inner cylinder (52), sealing valve
Valve (32) is opened 90 ° and is located between triggering inner cylinder (52) and drilling machine outer cylinder (2)；It is up-shifted to centainly when by core tube (1)
When height, sealing flap (32) returns to valve seat (31) top surface and sealing valve port face (311) is in sealing contact, triggers inner cylinder (52) bottom
It is pressed in sealing flap (32).
2. a kind of core storage barrel 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 is equipped with shoulder (521), triggers bullet
Spring (51) lower end is pressed on shoulder (521), and triggering spring (51) upper end is withstood on the step surface of drilling machine outer cylinder (2), triggers spring
(51) it is located above triggering block (53).
3. a kind of core storage barrel according to claim 1, it is characterised in that: drilling machine outer cylinder (2) include upper outer cylinder (21),
Lower outer cylinder (22) and threaded connecting sleeve (23), threaded connecting sleeve (23) lower end is equipped with internal screw thread, on threaded connecting sleeve (23)
End is equipped with external screw thread, and the upper end of lower outer cylinder (22) is connect with the lower thread of threaded connecting sleeve (23), the lower end of upper outer cylinder (21)
It is connect with the threaded upper ends of threaded connecting sleeve (23).
4. a kind of core storage barrel according to claim 3, it is characterised in that: the bottom surface of valve seat (31) and threaded connecting sleeve
(23) top surface contact, is equipped with sealing ring between the outer wall of valve seat (31) and the inner wall of upper outer cylinder (21).
5. a kind of core storage barrel according to claim 1, it is characterised in that: sealing flap (32) one end passes through spring leaf
(4) hinged with valve seat (31) upper end lateral wall.
6. a kind of core storage barrel according to claim 5, it is characterised in that: spring leaf (4) includes shaft (41) and bullet
Piece (42), valve seat (31) side wall top have and shaft (41) compatible shaft accommodation groove.
7. a kind of core storage barrel according to claim 6, it is characterised in that: there is receiving bullet in sealing flap (32) outer surface
The groove (321) of piece (42).
8. a kind of core storage barrel according to claim 1, it is characterised in that: sealing flap (32) periphery, which is provided with, to be used for
The annular groove of sealing ring (322) is installed, sealing ring (322) are housed in annular groove.
9. a kind of core storage barrel described in any one of -8 claims according to claim 1, it is characterised in that: work as sealing valve
When valve (32) opens 90 °, sealing flap (32) inner surface with trigger inner cylinder (52) outer wall and be bonded completely and its outer surface and valve seat
(31) lateral wall is in the same cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299453.9U CN208966234U (en) | 2018-08-13 | 2018-08-13 | A kind of core storage barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299453.9U CN208966234U (en) | 2018-08-13 | 2018-08-13 | A kind of core storage barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966234U true CN208966234U (en) | 2019-06-11 |
Family
ID=66752934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821299453.9U Active CN208966234U (en) | 2018-08-13 | 2018-08-13 | A kind of core storage barrel |
Country Status (1)
| Country | Link |
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| CN (1) | CN208966234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057736A (en) * | 2018-08-13 | 2018-12-21 | 四川大学 | Core storage barrel |
| CN110761785A (en) * | 2019-11-26 | 2020-02-07 | 四川大学 | Pressure maintaining cabin structure with glass window |
-
2018
- 2018-08-13 CN CN201821299453.9U patent/CN208966234U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057736A (en) * | 2018-08-13 | 2018-12-21 | 四川大学 | Core storage barrel |
| CN109057736B (en) * | 2018-08-13 | 2023-08-22 | 四川大学 | core storage barrel |
| CN110761785A (en) * | 2019-11-26 | 2020-02-07 | 四川大学 | Pressure maintaining cabin structure with glass window |
| CN110761785B (en) * | 2019-11-26 | 2024-01-23 | 四川大学 | Pressure maintaining cabin structure with glass window |
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