CN205978746U - Balanced type filling valve - Google Patents
Balanced type filling valve Download PDFInfo
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- CN205978746U CN205978746U CN201620816607.1U CN201620816607U CN205978746U CN 205978746 U CN205978746 U CN 205978746U CN 201620816607 U CN201620816607 U CN 201620816607U CN 205978746 U CN205978746 U CN 205978746U
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Abstract
The utility model provides a balanced type filling valve, this filling valve include balance cylinder subtotal water injection valve two parts, balance cylinder part is including plunger and the cylinder body that matches with the plunger, and the cylinder body is equipped with high pressure joint, the end cover department of plunger and cylinder body be equipped with pressurization group and through the bolt -up on the cylinder body, plunger one end is equipped with the concave groove. The utility model discloses a this balanced type filling valve simple structure of effect, small, low in manufacturing cost, the fault rate is low, maintenance cost is few, the dependable performance. Application range is wide, is applicable to height in, low pressure water system. The highest operating pressure can reach 100MPa. This valve has increased pressure equaliser, guarantees the leakproofness of filling valve when the pressure testing. This valve utilizes compressed air as the intermediate pressure source, through opening and close of cylinder application valve body, has reduced the fluid pollution, has improved factor of safety. Adapt to multiple industrial and mining condition, the dependable performance.
Description
Technical field
This utility model is related to a kind of two-way valve, particularly a kind of balanced type filling valve.
Background technology
Filling valve is petroleum casing pipe static pressure type hydrostatic testing machine key component, and its effect is：Complete to examination during unlatching
The pre- water-filling of pressure tubular body；During closing, make tubular body form closing cavity volume, be that body pressure testing is prepared.
Former use filling valve is roughly divided into two kinds：One kind is using wide arc gap sealing and valve-rod combination structure, using hydraulic pressure
Cylinder drives valve rod to move up and down, lower water inlet.Shortcoming：1. wide arc gap seals after a number of uses, and tired situation is serious, usage cycles
Short；2. adopt plug-in structure, high pressure cylinder body size is big, and machining accuracy is high, and cost is high；3. supporting extra shuttle valve is needed to control
Device, cost is high, and fault rate is high；4. adopt lower water inlet, maintenance difficulty is big；5. hydraulic fluid leak, pollutes environment.Another kind is to adopt
With valve rod, valve seat form, Driven by Hydraulic Cylinder, upper water inlet.Shortcoming：1. adopt plug-in structure, high pressure cylinder body size is big, processing essence
Degree is high；2. valve rod, after the prooving of valve seat, needs shimming to compensate wear extent, adjustment is difficult between hydraulic cylinder valve body；3. valve rod, valve seat is made
Valency is high；4. easy fracture at valve rod and hydraulic cylinder catcher；5. hydraulic fluid leak, pollutes environment.
Content of the invention
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of balanced type filling valve, adopts
Board-like installation substitutes plug-in installation.Solve the problems, such as spare part cost height, maintenance difficult and hydraulic oil pollution.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of balanced type filling valve, wherein：Should
Filling valve includes compensating cylinder part and water injection valve two parts, and described compensating cylinder part includes plunger and the cylinder body mating with plunger,
Cylinder body is provided with high pressure connection, is provided with high pressure sealing group and is fastened by bolts on cylinder body, plunger at the end cap of plunger and cylinder body
One end is provided with Baltimore groove.
Described water filling valve portion includes piston, two-way ram bar, cylinder barrel and the low pressure valve body located at cylinder barrel two ends
With high pressure valve body, by nut and screw rod two ends threaded engagement, low pressure valve body and high pressure valve body are fixed on cylinder barrel both sides, institute
State low pressure valve body one end to be connected with cylinder body by adpting flange, the other end is provided with low pressure seal group and compressed air passage, low
Means of press seals group is fixed with low pressure valve body by bolt, and the side wall of low pressure valve body is provided with low-pressure intake, is provided with low pressure valve body
The two-way ram bar of axially extending bore, two-way ram bar one end radially has radial direction through hole, and the other end is provided with 45 ° of chamferings
Sealing surface, is separately radially provided with cannelure and pressure ring in piston rod end, and is connected in turn on Baltimore groove by bolt.
Described two-way ram bar is provided with the shaft shoulder and screw thread, by round nut and two-way ram bar threaded engagement, will
Piston is fixed on the shaft shoulder.
The end in piston rod packing face has been bolted high pressure valve body, and high pressure body wall is provided with outlet and pressure
Contracting air vent, outlet is provided with high pressure connection, and one end of high pressure valve body is provided with high pressure sealing group, and the other end is provided with sealing
Lid, the inner side of closure is provided with the seal groove of 45 ° of chamferings, and the high pressure connection of cylinder body passes through high pressure with the high pressure connection of high pressure valve body
Hose connection.
This balanced type water-filling valve arrangement of effect of the present utility model is simple, small volume, low cost of manufacture, fault rate are low, dimension
Shield expense is few, dependable performance.Range wide it is adaptable to high, medium and low water pressuring system.Maximum working pressure is up to 100MPa.Should
Valve increased pressure equaliser it is ensured that the sealing in pressure testing for the filling valve.This valve is by the use of compressed air as intermediate pressure
Source, by the keying of cylinder control valve body, decreases oil contamination, improves safety coefficient.Adapt to multiple industrial and mineral conditions, performance
Reliable.
Brief description
Fig. 1 is balanced type filling valve opening structural representation of the present utility model；
Fig. 2 is balanced type water-filling valve closed mode structural representation of the present utility model.
In figure：
1st, high-pressure hose 2, high pressure connection 3, plunger 3.1, Baltimore groove 4, cylinder body 5, high pressure sealing group 6, bolt 7,
Adpting flange 8, cannelure 9, low-pressure intake 10, low pressure valve body 11, nut 12, low pressure seal group 13, compressed air
Passage 14, two-way ram bar 14.1, axially extending bore 14.2, sealing surface 14.3, the shaft shoulder 14.4, screw thread 14.5, footpath
To through hole 15, screw rod 16, closure 16.1, seal groove 17, foot formula slip ring type combined sealing 18, high pressure valve body 18.1, go out
The mouth of a river 19, cylinder barrel 20, piston 21, round nut 22, pressure ring
Specific embodiment
In conjunction with accompanying drawing and enforcement, balanced type water-filling valve arrangement of the present utility model is illustrated.
Traditional design changed by balanced type filling valve of the present utility model, and plug-in installation form is changed to board-like connection shape
Formula.This type valve is made up of compensating cylinder part and water injection valve two parts.Height is taken from by high-pressure hose by the control pressure of pressure chamber
Pressure valve body outlet, when valve body is closed, during static pressure type hydrostatic testing machine pressure testing, water under high pressure enters in plunger case from high-pressure hose,
Ensure valve body safety shutdown.Air cylinder driven through-rod piston bar moves back and forth, and described piston rod adopts via design, and valve body is opened
When, water flows freely from internal, realizes the pre- water-filling of pressure testing tubular body.
Fig. 1 is balanced type filling valve opening structural representation of the present utility model, and the in figure direction of arrow is opened for valve body
The flow direction of medium when opening.
As shown in figure 1, balanced type water-filling valve arrangement of the present utility model is that this filling valve includes compensating cylinder part and water filling
Valve two parts, described compensating cylinder part includes plunger 3 and the cylinder body 4 mating with plunger 3, and cylinder body 4 is provided with high pressure connection 2, plunger 3
Be provided with high pressure sealing group 5 at the end cap of cylinder body 4 and be anchored on cylinder body 4 by bolt 6, plunger 3 one end is provided with Baltimore groove
3.1.
Described water filling valve portion includes piston 20, two-way ram bar 14, cylinder barrel 19 and located at cylinder barrel 19 two ends
Low pressure valve body 10 and high pressure valve body 18, by nut 11 and screw rod 15 two ends threaded engagement, by low pressure valve body 10 and high pressure valve body
18 are fixed on cylinder barrel 19 both sides, and described low pressure valve body 10 one end is connected with cylinder body 4 by adpting flange 7, and the other end is provided with low
Means of press seals group 12 and compressed air passage 13, low pressure seal group 12 is passed through bolt 6 and is fixed with low pressure valve body 10, low pressure valve body 10
Side wall be provided with low-pressure intake 9, be provided with the two-way ram bar 14 of axially extending bore 14.1 in low pressure valve body 10, double acting is lived
Stopper rod 14 one end radially has radial direction through hole 14.5, and the other end is provided with the sealing surface 14.2 of 45 ° of chamferings, separately in piston rod 14
End is radially provided with cannelure 8 and pressure ring 22, and is connected to Baltimore groove 3.1 in turn by bolt 6.
Described two-way ram bar 14 is provided with the shaft shoulder 14.3 and screw thread 14.4, by round nut 21 and two-way ram bar
14 screw threads 14.4 screw, and piston 21 is fixed on the shaft shoulder 14.3.Thus forming A chamber, B chamber.
The end of piston rod 14 sealing surface 14.2 is fixed with high pressure valve body 18 by bolt 6, and high pressure valve body 18 side wall sets
There are outlet 18.1 and compressed air passage 13, outlet 18.1 is provided with high pressure connection 2, one end of high pressure valve body 18 is provided with height
Means of press seals group 5, the other end is provided with closure 16, and the inner side of closure 16 is provided with the seal groove 16.1 of 45 ° of chamferings, the height of cylinder body 4
Crimp head 2 is connected by high-pressure hose 1 with the high pressure connection 2 of high pressure valve body 18.
Described two-way ram bar 14 sealing surface 14.2 is the external conical sleeve of 45 ° of chamferings, and closure 16 seal groove 16.1 is 45 °
The interior frustum of chamfering.
When described plunger 3 and two-way ram bar 14 pass through the connection of pressure ring 22 and bolt 6, plunger 3 is having 2mm position in radial direction
Shifting amount.
As shown in Figure 1, 2, balanced type filling valve open and close function of the present utility model is realized in：
When cylinder B chamber air inlet, piston 20 promotes two-way ram bar 14 lateral movement to the left, and pressure balance plunger cavity water is situated between
While matter is discharged by high pressure valve body 18 by high-pressure hose 1 under two-way ram bar 14 driving, two-way ram bar 14 and
Closure 16 separates, and low pressure water is from the radial direction through hole 14.5 through two-way ram bar 14 for the low pressure chamber, axially extending bore 14.1, high pressure valve
The outlet 18.1 of body 18 is delivered to pressure testing tubular body.After the completion of water-filling, cylinder A chamber air inlet, piston rod 14 moves to right, pressure
Balance plunger chamber produce vacuum, while low pressure water enters plunger cavity under atmospheric pressure, two-way ram bar 14 close
Front cover is fitted tightly with the seal groove 16.1 of closure 16, is that hydrostatic testing machine pressure testing is prepared.
The control pressure of described pressure chamber takes from high pressure valve body outlet 18.1 by high-pressure hose 1, when valve body is closed, water
During pressure testing machine pressure testing, water under high pressure enters in plunger cylinder 4 it is ensured that valve body safety shutdown from high-pressure hose 1.Air cylinder driven double cropping
Moved back and forth with piston rod, described piston 20 adopts via design, when valve body is opened, water flows freely from internal, realizes pressure testing
The pre- water-filling of tubular body.Described sealing structure adopts cone valve mouth seal form, has that high pressure resistant, reliable in action, flow be big, switch
The strong feature of sensitive, contamination resistance.Piston rod packing end is ground with seal groove cooperation, when its taper is 45 ° of pressure testings, valve body
Close, with the rising of pressure test pressure, balance columns plug cylinder is ordered about piston rod all the time and fitted tightly with valve seat, realizes sealing function.
This utility model balanced type filling valve is in Tianjin Steel Tube Group Co., Ltd's pipe processing department oil pipe special buckle
Use on line hydrostatic testing machine, fully meet technique productions and require, from the point of view of oil pipe special fastening wire hydrostatic testing machine service condition,
Actually used situation is as follows：
Substituted valve rod, the valve seat construction formula filling valve of former use by this type valve, obtain good using effect and economic effect
Benefit.While this valve meets site technique production requirement in terms of action, flow parameter, it is in high pressure resistant, switch sensitivity, anti-
Pollution capacity aspect has larger lifting than conventional filling valve, and wherein highest stress levels reach 100MPa；Open and close sensitivity from former
First 1S drops to present 0.5S, improves rhythm of production；Contamination resistance significantly improves, and life cycle extended to 6 from 3 months
Individual month, save spare part expense.
Claims (3)
1. a kind of balanced type filling valve, is characterized in that：This filling valve includes compensating cylinder part and water injection valve two parts, described balance
Cylinder part includes plunger (3) and the cylinder body (4) mating with plunger (3), and cylinder body (4) is provided with high pressure connection (2), plunger (3) and cylinder
It is provided with high pressure sealing group (5) at the end cap of body (4) and is anchored on cylinder body (4) by bolt (6), plunger (3) one end is provided with recessed
Shape groove (3.1)；
Described water filling valve portion includes piston (20), two-way ram bar (14), cylinder barrel (19) and located at cylinder barrel (19) two
The low pressure valve body (10) at end and high pressure valve body (18), by nut (11) and screw rod (15) two ends threaded engagement, by low pressure valve body
(10) with high pressure valve body (18) be fixed on cylinder barrel (19) both sides, described low pressure valve body (10) one end pass through adpting flange (7) with
Cylinder body (4) connects, and the other end is provided with low pressure seal group (12) and compressed air passage (13), and low pressure seal group (12) passes through spiral shell
Bolt (6) is fixing with low pressure valve body (10), and the side wall of low pressure valve body (10) is provided with low-pressure intake (9), in low pressure valve body (10)
It is provided with the two-way ram bar (14) of axially extending bore (14.1), two-way ram bar (14) one end radially has radial direction through hole
(14.5), the other end is provided with the sealing surface (14.2) of 45 ° of chamferings, separately piston rod (14) end be radially provided with cannelure (8) and
Pressure ring (22), and be connected in turn on Baltimore groove (3.1) by bolt (6)；
Described two-way ram bar (14) is provided with the shaft shoulder (14.3) and screw thread (14.4), is lived with double acting by round nut (21)
Stopper rod (14) screw thread (14.4) screws, and piston (20) is fixed on the shaft shoulder (14.3)；
The end of piston rod (14) sealing surface (14.2) is fixed with high pressure valve body (18), high pressure valve body (18) side by bolt (6)
Wall is provided with outlet (18.1) and compressed air passage (13), and outlet (18.1) is provided with high pressure connection (2), high pressure valve body
(18) one end is provided with high pressure sealing group (5), and the other end is provided with closure (16), and the inner side of closure (16) is provided with 45 ° of chamferings
Seal groove (16.1), high-pressure hose (1) is passed through in the high pressure connection (2) of cylinder body (4) and the high pressure connection (2) of high pressure valve body (18)
Connect.
2. balanced type filling valve according to claim 1, is characterized in that：Described two-way ram bar (14) sealing surface
(14.2) be 45 ° of chamferings external conical sleeve, closure (16) seal groove (16.1) is the interior frustum of 45 ° of chamferings.
3. balanced type filling valve according to claim 1, is characterized in that：Described plunger (3) and two-way ram bar (14)
By, during the connection of pressure ring (22) and bolt (6), plunger (3) is having 2mm displacement in radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816607.1U CN205978746U (en) | 2016-07-26 | 2016-07-26 | Balanced type filling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816607.1U CN205978746U (en) | 2016-07-26 | 2016-07-26 | Balanced type filling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978746U true CN205978746U (en) | 2017-02-22 |
Family
ID=58027575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620816607.1U Active CN205978746U (en) | 2016-07-26 | 2016-07-26 | Balanced type filling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398021A (en) * | 2020-01-21 | 2020-07-10 | 余姚市超成机械制造有限公司 | Full-automatic seamless gas cylinder water pressure check out test set |
-
2016
- 2016-07-26 CN CN201620816607.1U patent/CN205978746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398021A (en) * | 2020-01-21 | 2020-07-10 | 余姚市超成机械制造有限公司 | Full-automatic seamless gas cylinder water pressure check out test set |
| CN111398021B (en) * | 2020-01-21 | 2022-09-13 | 余姚市超成机械制造有限公司 | Full-automatic seamless gas cylinder water pressure check out test set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190627 Address after: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee after: Tianjin Steel Tube Manufacturing Co., Ltd. Address before: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee before: Tianjin Steel Pipe Group Co., Ltd. |
|
| TR01 | Transfer of patent right |