CN208634128U - A kind of oil inlet flange normality self-packer - Google Patents
A kind of oil inlet flange normality self-packer Download PDFInfo
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- CN208634128U CN208634128U CN201721359573.9U CN201721359573U CN208634128U CN 208634128 U CN208634128 U CN 208634128U CN 201721359573 U CN201721359573 U CN 201721359573U CN 208634128 U CN208634128 U CN 208634128U
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- hole
- spool
- hydraulic fluid
- fluid port
- cylinder
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Abstract
A kind of oil inlet flange normality self-packer, normality self-packer include the first spool, the second spool and closure；First spool is cylinder, the axially disposed concentric first through hole in cylinder center and the second through-hole, is provided with ball in the second through-hole；Supporting table is arranged in the periphery of cylinder one end, and the cylinder other end is disposed radially third through-hole, and third through-hole and first through hole penetrate through；Cylinder is slidably disposed on the intracorporal mounting hole of flange by supporting table, and fourth hole is axially arranged along cylinder in supporting table；Closure is mounted on the first spool left end, blocks and is provided with the first elastic component between the first spool；Second spool left end is mounted on the first spool right end, and the axially disposed fifth hole having with the perforation of the second through-hole of the second center spool, fifth hole left end is provided with the second elastic component；Second spool left end and the second hydraulic fluid port left alignment.When dismantling super high pressure bend connector, hydraulic oil will not leak the utility model from the first hydraulic fluid port.
Description
Technical field
The utility model relates to component of machine technical field, in particular to a kind of oil inlet flange normality self-packer.
Background technique
Cubic hydraulic press is commonly used in existing diamond process, the oil inlet flange of cubic hydraulic press generally uses
Traditional oil inlet flange, the oil inlet flange are mainly used for the connection of high-pressure oil pipe and cylinder body, and high-pressure oil pipe joint is inserted in oil inlet method
The first hydraulic fluid port 11(on orchid is as shown in Figure 1) in, in the second hydraulic fluid port 12 that cylinder body outlet is inserted on oil inlet flange.
In the maintenance maintenance of hydraulic press, it usually needs the high-pressure oil pipe joint on disassembly oil inlet flange, due to traditional
Sealing device is not provided in oil inlet flange, the hydraulic oil in working cylinder 8 will be leaked outside by the first hydraulic fluid port 11 of oil inlet flange.
Summary of the invention
The technical problems to be solved in the utility model is that existing oil inlet flange does not have sealing device, dismantles high-pressure oil pipe
When connector, the hydraulic oil in working cylinder can be leaked outside by the first hydraulic fluid port of oil inlet flange.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of oil inlet flange normality self-packer, be provided in the flange body of oil inlet flange the first hydraulic fluid port, the second hydraulic fluid port and
Third hydraulic fluid port, third hydraulic fluid port is interior to be arranged air relief cock, and the normality self-packer includes the first spool, the second spool and closure；
First spool is cylinder, the axially disposed concentric first through hole in cylinder center and the second through-hole, first through hole
Diameter is provided with ball in the second through-hole less than the second through-hole diameter；Supporting table, the cylinder other end is arranged in the periphery of cylinder one end
It is disposed radially third through-hole, third through-hole and first through hole penetrate through, and third through-hole both ends are oily with the first hydraulic fluid port and third respectively
Mouth alignment；Cylinder is slidably disposed on the intracorporal mounting hole of flange by supporting table, and supporting table is along cylinder axially setting the 4th
Through-hole；
The first through hole left end for being mounted on the first spool is blocked, blocks and is provided with the first elastic component between the first spool；
Second spool left end is mounted on the second through-hole right end of the first spool, and the second center spool is axially disposed to be had and the
The fifth hole of two through-holes perforation, for fifth hole diameter less than the second through-hole diameter, fifth hole left end is provided with the second elasticity
Part；Second spool right end and the second hydraulic fluid port left alignment.
Second spool right end is the conical surface, and less than the second hydraulic fluid port diameter, the maximum gauge of the conical surface is greater than the minimum diameter of the conical surface
Second hydraulic fluid port diameter.
Second spool left end periphery is provided with screw thread, and threaded hole is arranged in the first spool right end, and the second spool left end is mounted on
In the threaded hole of first spool right end.
The closure right end is provided with plug, the first through hole diametric fit of plug diameter and the first spool；Block left end
Periphery is provided with seal assembly, blocks left end sealing and is fixed in mounting hole.
Ball is steel ball.
First elastic component and the second elastic component are spring.
Compared with the existing technology, the beneficial effects of the utility model are, when dismantling super high pressure bend connector, in the first elastic component
Under the action of, the conical surface of the second spool is stuck in the second hydraulic fluid port, has blocked the asphalt channel of the second spool periphery.In the second elasticity
Under the action of part, for steel ball card in the shoulder of first through hole and the second through-hole joint, the oil circuit for having blocked the first spool inner hole is logical
Road, to realize self-sealing, the hydraulic oil in operated at atmospheric pressure cylinder cannot leak from the first hydraulic fluid port of oil inlet flange.
Detailed description of the invention
Fig. 1 is the oil inlet flange of the utility model and the connection schematic diagram of hydraulic press；
Fig. 2 is the explosive view of the normality self-packer of the utility model；
Fig. 3 is that the normality self-packer of the utility model is mounted on the intracorporal cross-sectional view of flange；
Fig. 4 is structural schematic diagram of the normality self-packer of the utility model when piston advances；
Fig. 5 is structural schematic diagram of the normality self-packer of the utility model in backward stroke of the piston；
Fig. 6 is structural schematic diagram of the normality self-packer of the utility model in no hydraulic oil.
In figure, 1, flange body, the 11, first hydraulic fluid port, the 12, second hydraulic fluid port, 13, third hydraulic fluid port, 14, air relief cock, 15, installation
Hole；
2, the first spool, 21, first through hole, the 22, second through-hole, 23, third through-hole, 24, ball, 25, supporting table, 26,
Fourth hole, 27, threaded hole；
3, the second spool, 31, fifth hole, 32, the conical surface；
4, it blocks, 41, plug, 42, seal assembly；
5, the first elastic component, the 6, second elastic component, 7, conic connector, 8, working cylinder, 9, piston.
Specific embodiment
As shown in Figure 1-3, a kind of oil inlet flange normality self-packer, the first oil is provided in the flange body 1 of oil inlet flange
The 11, second hydraulic fluid port 12 of mouth and third hydraulic fluid port 13, third hydraulic fluid port 13 is interior to be arranged air relief cock 14, and 12 right end of the second hydraulic fluid port is connect by the conical surface
First 7 connect with working cylinder 8；
Normality self-packer includes the first spool 2, the second spool 3 and closure 4；
First spool 2 be cylinder, the axially disposed concentric first through hole 21 in cylinder center and the second through-hole 22, first
21 diameter of through-hole forms shoulder less than 22 diameter of the second through-hole, first through hole 21 and 22 joint of the second through-hole；Second through-hole 22
It is inside provided with ball 24, ball 24 is steel ball, and ball 24 can roll in the second through-hole 22；Support is arranged in the periphery of cylinder one end
Platform 25, the cylinder other end are disposed radially third through-hole 23,23 both ends of third through-hole respectively with the first hydraulic fluid port 11 and third hydraulic fluid port
13 alignment；Cylinder is slidably disposed on the mounting hole 15 in flange body 1 by supporting table 25, and supporting table 25 is axially set along cylinder
Set fourth hole 26；
4 21 left ends of first through hole for being mounted on the first spool 2 are blocked, are provided with the first bullet between closure 4 and the first spool 2
Property part 5, the first elastic component 5 be spring；It blocks 4 right ends and is provided with plug 41, the first through hole of 41 diameter of plug and the first spool 2
21 diametric fits；It blocks 4 left end peripheries and is provided with seal assembly 42, block the sealing of 4 left ends and be fixed in mounting hole 15.
Second spool, 3 left end is mounted on 22 right end of the second through-hole of the first spool 2, and 3 center of the second spool is axially disposed
Have the fifth hole 31 with the perforation of the second through-hole 22,31 diameter of fifth hole less than 22 diameter of the second through-hole, fifth hole 31 with
Second through-hole, 22 joint forms shoulder；31 left end of fifth hole is provided with the second elastic component 6, and the second elastic component 6 is spring；The
12 left alignment of two spools, 3 right end and the second hydraulic fluid port；
Second spool, 3 right end is the conical surface 32, and the minimum diameter of the conical surface 32 is less than 12 diameter of the second hydraulic fluid port, the maximum of the conical surface 32
Diameter is greater than 12 diameter of the second hydraulic fluid port.
Second spool, 3 left end periphery is provided with screw thread, and threaded hole 27,3 left end of the second spool peace is arranged in 2 right end of the first spool
In the threaded hole of 2 right end of the first spool.
The working principle of the utility model is as follows:
(1) when piston 9 advances, the curve a of hydraulic oil flowed in referring to fig. 4.Specifically, hydraulic oil is from the first hydraulic fluid port 11
Into successively entering inside the first spool 2 by the third through-hole 23 of the first spool 2, first through hole 21, hydraulic oil pushes steel ball
Compress the second elastic component 6, steel ball is by the shoulder right shift of 22 joint of first through hole 21 and the second through-hole, and hydraulic oil is from shoulder
Place flows into the second through-hole 22, enters back into the fifth hole 31 in the second spool 3, finally flows to from the second hydraulic fluid port 12 to working cylinder 8
It is interior, so that piston 9 be pushed to advance.
(2) when 9 backhaul of piston, the flow direction of hydraulic oil is referring to the curve b in Fig. 5.Specifically, the pressure oil in working cylinder 8
Through the second hydraulic fluid port 12, since ball 24 is stuck in the shoulder of 22 joint of fifth hole 31 and the second through-hole, ball 24 blocks 4 the
The asphalt channel of two spools, 3 inner hole, hydraulic oil push the first spool 2, and the conical surface 32 of 2 right end of the first spool leaves the second hydraulic fluid port 12
Left end, the first spool 2 drive 3 shifted left of the second spool to compress the first elastic component 5, and hydraulic oil is through the second hydraulic fluid port 12 and the first valve
Gap between core 2 flows into mounting hole 15, and then flows into the third through-hole 23 of 2 supporting table of the first spool, 25 periphery, finally flows
To the first hydraulic fluid port 11, to realize 9 backhaul of piston.
(3) as shown in fig. 6, normality self-packer in without hydraulic oil when, under the action of the first elastic component 5, the second spool 3
The conical surface 32 be stuck in the second hydraulic fluid port 12, block the asphalt channel of 4 second spool, 3 periphery.In the effect of the second elastic component 6
Under, steel ball card blocks 4 asphalt channels of first spool, 2 inner hole in the shoulder of 22 joint of first through hole 21 and the second through-hole,
To realize self-sealing, the hydraulic oil in operated at atmospheric pressure cylinder 8 cannot leak from the first hydraulic fluid port of oil inlet flange 11.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as this reality
With novel protection scope.
Claims (6)
1. a kind of oil inlet flange normality self-packer, the flange body (1) of oil inlet flange is interior to be provided with the first hydraulic fluid port (11), the second oil
Mouth (12) and third hydraulic fluid port (13), third hydraulic fluid port (13) is interior to be arranged air relief cock (14), which is characterized in that the normality self-packer
Including the first spool (2), the second spool (3) and block (4)；
First spool (2) is cylinder, cylinder center axially disposed concentric first through hole (21) and the second through-hole (22), the
For one through-hole (21) diameter less than the second through-hole (22) diameter, the second through-hole (22) is interior to be provided with ball (24)；Outside cylinder one end
Week setting supporting table (25), the cylinder other end are disposed radially third through-hole (23), third through-hole (23) and first through hole (21)
Perforation, third through-hole (23) both ends are aligned with the first hydraulic fluid port (11) and third hydraulic fluid port (13) respectively；Cylinder passes through supporting table (25)
The mounting hole (15) being slidably disposed in flange body (1), supporting table (25) is along cylinder axially setting fourth hole (26)；
First through hole (21) left end that (4) are mounted on the first spool (2) is blocked, blocks and is provided between (4) and the first spool (2)
First elastic component (5)；
Second spool (3) left end is mounted on the second through-hole (22) right end of the first spool (2), and the second spool (3) center is along axial direction
Be provided with the fifth hole (31) with the second through-hole (22) perforation, fifth hole (31) diameter less than the second through-hole (22) diameter,
Fifth hole (31) left end is provided with the second elastic component (6)；Second spool (3) right end and the second hydraulic fluid port (12) left alignment.
2. normality self-packer according to claim 1, which is characterized in that the second spool (3) right end is the conical surface
(32), the minimum diameter of the conical surface (32) is greater than the second hydraulic fluid port less than the second hydraulic fluid port (12) diameter, the maximum gauge of the conical surface (32)
(12) diameter.
3. normality self-packer according to claim 1, which is characterized in that the second spool (3) left end periphery setting
There is screw thread, threaded hole (27) are arranged in the first spool (2) right end, and the second spool (3) left end is mounted on the spiral shell of the first spool (2) right end
In pit.
4. normality self-packer according to claim 1, which is characterized in that described closure (4) right end is provided with plug
(41), first through hole (21) diametric fit of plug (41) diameter and the first spool (2)；Closure (4) left end periphery is provided with close
Sealing assembly (42) blocks the sealing of (4) left end and is fixed in mounting hole (15).
5. normality self-packer according to claim 1, which is characterized in that the ball (24) is steel ball.
6. normality self-packer according to claim 1, which is characterized in that first elastic component (5) and the second elasticity
Part (6) is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359573.9U CN208634128U (en) | 2017-10-20 | 2017-10-20 | A kind of oil inlet flange normality self-packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359573.9U CN208634128U (en) | 2017-10-20 | 2017-10-20 | A kind of oil inlet flange normality self-packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634128U true CN208634128U (en) | 2019-03-22 |
Family
ID=65730397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721359573.9U Active CN208634128U (en) | 2017-10-20 | 2017-10-20 | A kind of oil inlet flange normality self-packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634128U (en) |
-
2017
- 2017-10-20 CN CN201721359573.9U patent/CN208634128U/en active Active
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