CN208138489U - A kind of novel oil pressure valve deck - Google Patents
A kind of novel oil pressure valve deck Download PDFInfo
- Publication number
- CN208138489U CN208138489U CN201820381319.7U CN201820381319U CN208138489U CN 208138489 U CN208138489 U CN 208138489U CN 201820381319 U CN201820381319 U CN 201820381319U CN 208138489 U CN208138489 U CN 208138489U
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- hole
- valve deck
- gland
- diameter
- oil pressure
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Abstract
The utility model relates to a kind of novel oil pressure valve deck, including valve deck, the spool rod through-hole for being used to place valve core rod is equipped in the middle part of valve deck, the lower inside of the valve deck is provided with gland；The gland successively offers the first through hole being connected and the second through-hole axially downward with valve deck contact surface certainly, the first through hole is overlapped with the axle center of the spool rod through-hole of the valve deck with the axle center of the second through-hole, the diameter of the first through hole is greater than the diameter of the spool rod through-hole, and the diameter of second through-hole is consistent with the diameter of the spool rod through-hole；PTFE lantern ring is arranged on the internal perisporium of the first through hole；It is provided with more than one fixed hole on the gland, more than one tapped through hole corresponding with each fixed hole is provided on the valve deck, each corresponding fixed hole is fixedly connected with the tapped through hole by bolt assembly.The oil pressure valve deck can reduce the influence of acid-base pair valve deck graphite packing, reduce the abrasion of valve deck by increasing gland in the inside of valve deck.
Description
Technical field
The utility model relates to oil pressure valve deck field, especially a kind of novel oil pressure valve deck.
Background technique
It is absorbed in slot regenerating active carbon program in viscose glue factory, oil pressure main valve mainly walks sequence and is divided into air inlet (pass), Suo Youfa
Close (pass), nitrogen (opening), steam (pass), discharge (pass), dry (opening), cooling (opening), exhaust (pass) eight steps；To current oil
Main valve is pressed, as shown in Figure 1, oil pressure valve deck is generally made of graphite material, the lower inside of oil pressure valve deck is graphite packing, oil
Pressure bonnet lower is provided with absorption slot, and absorbing has soft water, desulfurization depickling liquid, air, dirty gas, nitrogen, low-pressure steam etc. in slot, by
It is located at the top for absorbing slot in the graphite packing of oil pressure valve deck, graphite packing expands under the immersion of soda acid, in distillation gas
In dry out again, cause graphite particle to fall off, wear collar and spool, and then aggravate soda acid and enter the spool rod through-hole of oil pressure valve deck
Seal chamber in, it is therefore desirable to carrying out protection processing at the graphite packing of oil pressure valve deck.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of novel oil pressure valve deck, by increasing in the inside of valve deck
Gland and PTFE lantern ring can be avoided soda acid and enter in the spool rod through-hole of valve deck, to reduce acid-base pair valve deck graphite packing
Influence, reduce the abrasion of valve deck.
The utility model is realized using following scheme：A kind of novel oil pressure valve deck, including valve deck, valve deck middle part, which is equipped with, to be used to
The spool rod through-hole of valve core rod is placed, the lower inside of the valve deck is provided with gland；
The gland successively offers the first through hole being connected and the second through-hole axially downward with valve deck contact surface certainly,
The first through hole is overlapped with the axle center of the spool rod through-hole of the valve deck with the axle center of the second through-hole,
The diameter of the first through hole is greater than the diameter of the spool rod through-hole, the diameter and the valve of second through-hole
The diameter of core bar through-hole is consistent；
PTFE lantern ring, the outside diameter and first through hole of the PTFE lantern ring are arranged on the internal perisporium of the first through hole
Diameter is consistent, and interior circular diameter is consistent with the second through-hole diameter；The PTFE lantern ring is along axial length and the first through hole edge
Consistent or axial slightly larger than the first through hole edge length of axial length；
It is provided with more than one fixed hole on the gland, it is logical with each fixation that more than one is provided on the valve deck
The corresponding tapped through hole in hole, each corresponding fixed hole are fixedly connected with the tapped through hole by bolt assembly.
In the present invention, lower inside (i.e. graphite plate location of root) of the novel oil pressure valve deck in original valve deck
A gland is fixed in increase, and PTFE lantern ring is arranged in gland, be can be avoided soda acid and is entered in the spool rod through-hole of valve deck,
To reduce the influence of acid-base pair valve deck graphite packing, the abrasion of valve deck is reduced, maintenance cost is further decreased.In addition, gland
Valve deck and gland are fixedly connected by bolt assembly with valve deck, dismounting and change is convenient.
Further, the quantity of the fixed hole and tapped through hole is four.Four fixed holes and tapped through hole
It is all to be uniformly distributed setting, and correspond on gland and valve deck.
Further, the periphery wall of the gland is provided with more than one arc-shaped limit piece for being located at different circumferential positions,
The convex surface of the arc-shaped limit piece is towards the valve deck.Since the convex surface of arc-shaped limit piece is towards valve deck, in installation and removal institute
When stating gland, staff can withstand the concave surface of arc-shaped limit piece with hand, facilitate operation.
Further, the bolt assembly include the screw rod being arranged in the fixed hole and the tapped through hole, with
Screw rod end convolution connect and be located at gland on the outside of nut and be placed on screw rod periphery and be pressed in gland and nut
Between spring.Due to being provided with spring in bolt assembly, in dismantling screw and when nut, by spring force effect screw rod with
Nut can quick separating so that disassembly it is more convenient.
Further, the oil pressure valve deck further include be set to the gland and on the contact surface of the valve deck elasticity it is close
Gasket, the elastic sealing gasket on piece are provided with the through-hole for wearing and being fixed for bolt assembly.By on the contact surface
Elastomeric gasket is set, the leakproofness between gland and valve deck can be further enhanced.
Further, the elastomeric gasket is PTFE seal lantern ring.
Compared with prior art, the utility model has the advantages that：The novel oil pressure valve deck is in original valve deck
A gland is fixed in lower inside (i.e. graphite plate location of root) increase, and PTFE lantern ring is arranged in gland, can be avoided
Soda acid enters in the spool rod through-hole of valve deck, to reduce the influence of acid-base pair valve deck graphite packing, reduces the abrasion of valve deck, into
One step reduces maintenance cost.In addition, valve deck and gland are fixedly connected with valve deck by bolt assembly by gland, dismounting and change
It is convenient.
Detailed description of the invention
Fig. 1 is the overall structure diagram of oil pressure valve deck.
Fig. 2 is the structural schematic diagram of the valve deck with gland of the utility model embodiment.
Fig. 3 is the stereoscopic schematic diagram of the gland with arc-shaped limit piece of the utility model embodiment.
Fig. 4 is the structural schematic diagram of the oil pressure valve deck with elastomeric gasket of the utility model embodiment.
In figure：1 is valve deck, and 1-1 is spool rod through-hole, and 1-2 is tapped through hole, and 2 be gland, and 2-1 is first through hole, 2-2
For the second through-hole, 2-3 is fixed hole, and 3 be PTPE lantern ring, and 4 be arc-shaped limit piece, and 5 be valve core rod, and 6 be bolt assembly, 6-1
For screw rod, 6-2 is nut, and 6-3 is spring, and 7 be elastomeric gasket, and 7-1 is through-hole.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and embodiments.
As shown in Fig. 2, present embodiments providing a kind of novel oil pressure valve deck, including valve deck 1, it is equipped with and is used in the middle part of valve deck 1
Place the spool rod through-hole 1-1 of valve core rod 5, it is characterised in that：The lower inside of the valve deck 1 is provided with gland 2；
The gland 2 successively offers the first through hole 2-1 and second being connected with 1 contact surface of valve deck certainly axially downward
Axle center of the axle center of through-hole 2-2, the first through hole 2-1 and the second through-hole 2-2 with the spool rod through-hole 1-1 of the valve deck 1
It is overlapped,
The diameter of the first through hole 2-1 is greater than the diameter of the spool rod through-hole 1-1, and the second through-hole 2-2's is straight
Diameter is consistent with the diameter of the spool rod through-hole 1-1；
PTFE lantern ring 3, the outside diameter of the PTFE lantern ring 3 and are arranged on the internal perisporium of the first through hole 2-1
One through-hole 2-1 diameter is consistent, and interior circular diameter is consistent with the second through-hole 2-2 diameter；The PTFE lantern ring 3 is along axial length and institute
First through hole 2-1 is stated along axial length unanimously or slightly larger than first through hole 2-1 along axial length；
More than one fixed hole 2-3 is provided on the gland 2, be provided on the valve deck 1 more than one with it is each
Fixed hole 2-3 corresponding tapped through hole 1-2, each corresponding fixed hole 2-3 and the tapped through hole 1-2 pass through bolt group
Part 6 is fixedly connected.
In the present embodiment, the novel oil pressure valve deck increases in lower inside, that is, graphite plate location of root of original valve deck
A gland is fixed, and is arranged with PTFE lantern ring in gland, soda acid is can be avoided and enters in the spool rod through-hole of valve deck, thus
The influence for reducing the graphite packing of acid-base pair valve deck, reduces the abrasion of valve deck, further decreases maintenance cost.In addition, gland and valve
Valve deck and gland are fixedly connected by lid by bolt assembly, and dismounting and change is convenient.
In the present embodiment, the quantity of the fixed hole 2-3 and tapped through hole 1-2 is four.Four fixed holes
It is all to be uniformly distributed setting, and correspond on gland and valve deck with tapped through hole.
In the present embodiment, the bolt assembly 6 includes being arranged in the fixed hole 2-3 and the tapped through hole
Screw rod 6-1, connect with screw rod 6-1 end convolution and be located at gland on the outside of nut 6-2 and be placed on the periphery screw rod 6-1
And it is pressed in the spring 6-3 between gland 2 and nut 6-2.Due to being provided with spring in bolt assembly, in dismantling screw and spiral shell
When cap, by spring force effect screw rod and nut can quick separating so that disassembly it is more convenient.
As shown in figure 3, in the present embodiment, the periphery wall of the gland 2 is provided with more than one and is located at different circumference positions
The arc-shaped limit piece 4 set, the convex surface of the arc-shaped limit piece 4 is towards the valve deck 1.Since the convex surface of arc-shaped limit piece is towards valve
Lid, when the gland described in installation and removal, staff can withstand the concave surface of arc-shaped limit piece with hand, facilitate operation.
As shown in figure 4, in the present embodiment, the oil pressure valve deck further includes being set to the gland 2 and the valve deck 1
Elastomeric gasket 7 on contact surface, the elastic sealing gasket on piece, which is provided with, to be worn for bolt assembly and is fixed logical
Hole 7-1.By the way that elastomeric gasket is arranged on the contact surface, the leakproofness between gland and valve deck can be further enhanced.
In the present embodiment, the elastomeric gasket 7 is PTFE seal lantern ring.
It is noted that the utility model protection is hardware configuration, it is not claimed as control method.Above only
For a preferable embodiment in the utility model embodiment.But the utility model is not limited to the embodiment above, it is all
Any equivalent change and modification done by the utility model, range of the generated function without departing from this programme
When, belong to the protection scope of the utility model.
Claims (6)
1. a kind of novel oil pressure valve deck, including valve deck (1), it is logical that valve deck (1) middle part is equipped with the valve core rod for being used to place valve core rod (5)
Hole (1-1), it is characterised in that：The lower inside of the valve deck (1) is provided with gland (2)；
The gland (2) from successively offering the first through hole (2-1) that is connected and the with valve deck (1) contact surface axially downward
Two through-holes (2-2), spool rod through-hole of the axle center of the first through hole (2-1) and the second through-hole (2-2) with the valve deck (1)
The axle center of (1-1) is overlapped,
The diameter of the first through hole (2-1) is greater than the diameter of the spool rod through-hole (1-1), second through-hole (2-2)
Diameter is consistent with the diameter of the spool rod through-hole (1-1)；
Be arranged with PTFE lantern ring (3) on the internal perisporium of the first through hole (2-1), the outside diameter of the PTFE lantern ring (3) with
First through hole (2-1) diameter is consistent, and interior circular diameter is consistent with the second through-hole (2-2) diameter；The PTFE lantern ring (3) is along axial direction
Length and the first through hole (2-1) along axial length it is consistent or slightly larger than first through hole (2-1) along the length of axial direction；
Be provided with more than one fixed hole (2-3) on the gland (2), be provided on the valve deck (1) more than one with
The corresponding tapped through hole (1-2) of each fixed hole (2-3), each corresponding fixed hole (2-3) and the tapped through hole (1-2)
It is fixedly connected by bolt assembly (6).
2. a kind of novel oil pressure valve deck according to claim 1, it is characterised in that：The fixed hole (2-3) and screw thread
The quantity of through-hole (1-2) is four.
3. a kind of novel oil pressure valve deck according to claim 1, it is characterised in that：The periphery wall of the gland (2) is arranged
There is more than one to be located at the arc-shaped limit piece (4) of different circumferential positions, the convex surface of the arc-shaped limit piece (4) is towards the valve deck
(1)。
4. a kind of novel oil pressure valve deck according to claim 1, it is characterised in that：The bolt assembly (6) includes wearing
In the fixed hole (2-3) in the tapped through hole screw rod (6-1), connect with screw rod (6-1) end convolution and position
It nut (6-2) on the outside of gland and is placed on the screw rod periphery (6-1) and is pressed between gland (2) and nut (6-2)
Spring (6-3).
5. a kind of novel oil pressure valve deck according to claim 1, it is characterised in that：The oil pressure valve deck further includes being set to
Elastomeric gasket (7) on the contact surface of the gland (2) and the valve deck (1), the elastic sealing gasket on piece are provided with
The through-hole (7-1) for wearing and being fixed for bolt assembly.
6. a kind of novel oil pressure valve deck according to claim 5, it is characterised in that：The elastomeric gasket (7) is
PTFE seal lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381319.7U CN208138489U (en) | 2018-03-20 | 2018-03-20 | A kind of novel oil pressure valve deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381319.7U CN208138489U (en) | 2018-03-20 | 2018-03-20 | A kind of novel oil pressure valve deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138489U true CN208138489U (en) | 2018-11-23 |
Family
ID=64289732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820381319.7U Active CN208138489U (en) | 2018-03-20 | 2018-03-20 | A kind of novel oil pressure valve deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138489U (en) |
-
2018
- 2018-03-20 CN CN201820381319.7U patent/CN208138489U/en active Active
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