CN201866338U - Master-slave type check valve bank of ultrahigh pressure water generating device - Google Patents
Master-slave type check valve bank of ultrahigh pressure water generating device Download PDFInfo
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- CN201866338U CN201866338U CN2010206462410U CN201020646241U CN201866338U CN 201866338 U CN201866338 U CN 201866338U CN 2010206462410 U CN2010206462410 U CN 2010206462410U CN 201020646241 U CN201020646241 U CN 201020646241U CN 201866338 U CN201866338 U CN 201866338U
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- ultrahigh pressure
- water
- pressure water
- pressure
- way valve
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Abstract
The utility model relates to a master-slave type check valve bank of an ultrahigh pressure water generating device, comprising a high pressure water joint body, a water outlet check valve, a water inlet check valve, a left hand thread pipe pad, a connecting nut, an ultrahigh pressure T-joint body, an ultrahigh pressure water cylinder barrel, a plunger, a water inlet joint body, a flared water inlet nut, a flared water inlet sleeve, a low pressure water inlet copper pipe and the like. The master-slave type check valve bank adopts a two-stage dual-seal type and can effectively ensure the forward conduction and the reverse stoppage of ultrahigh pressure water in ultrahigh pressure; the opening and closing actions of a valve plug are stable and fast; the time response speed is fast; and the master-slave type check valve bank can ensure not only the creation of the ultrahigh pressure of the whole system but also the high volumetric efficiency and the power utilization ratio of the ultrahigh pressure water generating system; and the master-slave type check valve bank has very important significance to the working properties and the working reliability of an ultrahigh pressure water mist generating system.
Description
Technical field
The utility model belongs to the military defense technical field, relate to the anti-precision strike that utilizes large size water smoke to resist photoelectronic reconnaissance and guided weapon and the stealth technique of anti-reconnaissance and surveillance, be specifically related to a kind of high-pressure water generating means composite-type one-way valve group that the stealthy generator of a kind of ultra-high pressure water fluid jet water smoke is adopted.
Background technique
Can the service behaviour of one-way valve group under ultrahigh pressure directly has influence on the foundation of hyperpressure and the volumetric efficiency of high-pressure water generation systems, produce effective water smoke barrier for the stealthy generator of ultra-high pressure water fluid jet water smoke and play critical effect.At present both at home and abroad in the design and structure of this type of one-way valve group, the nonreturn valve core that is adopted is single overall structure (as shown in Figure 1), one valve body joint 17 and a valve base joint 20 are by being threaded, and in the inner containing space that forms of valve body joint, to install a Returnning spring 18 and a nonreturn valve core 19.The defective of said structure is: single integrally-built nonreturn valve core because quality is bigger, directly has influence on the dynamic response index of spool.Make that the time response process of spool in unlatching and closing course is longer, when requiring spool to open, because the long water output deficiency that causes of opening process; When requiring closure, close long the causing of closed procedure and oppositely scurry water, volumetric efficiency is reduced, also can have influence on the foundation of pressure simultaneously.High-pressure water generating means composite-type one-way valve group of the present utility model has adopted the dual sealing means of two-stage, the unlatching of spool and closing motion are steadily rapid, time response velocity fails is fast, can not only guarantee the foundation of whole system hyperpressure, can also guarantee simultaneously the higher volumetric efficiency and the power utilization of high-pressure water generation systems, have crucial meaning for the service behaviour of ultrahigh pressure water smoke generation systems and the reliability of work.
The model utility content
The purpose of this utility model is to provide a kind of service behaviour of the stealthy generator of ultra-high pressure water fluid jet water smoke and high-pressure water generating means composite-type one-way valve group of functional reliability of ensureing.What this high-pressure water generating means composite-type one-way valve group adopted is the mode of two-stage double seal, automatically open or close according to the variation in pressure in the ultrahigh pressure plunger active chamber, can ensure the foundation of hyperpressure and the volumetric efficiency of high-pressure water generation systems effectively.
High-pressure water generating means composite-type one-way valve group of the present utility model comprises: ultrahigh pressure water output connector body, go out water one-way valve, water inlet one-way valve, left-handed thread pipe pad, attaching nut, ultrahigh pressure tee union body, high-pressure water cylinder barrel, plunger, water supply connector body, flared type water intake nut, flared type water intake pipe box, low pressure water inlet copper pipe etc.
The left-handed thread pipe pad is spun on first pipe end of ultrahigh pressure tee union body, by the attaching nut ultrahigh pressure tee union body is connected with the head of high-pressure water cylinder barrel.The purpose that adopts left-handed thread is in order to prevent that pipe pad is loosening when the attaching nut is installed, to guarantee that ultrahigh pressure tee union body connects reliably with the head of high-pressure water cylinder barrel.Plunger movably is arranged in the containing space of afterbody of high-pressure water cylinder barrel.
Reliable for making this connect sealing, the head projection of high-pressure water cylinder barrel adopts 59 ° conical structure and ultrahigh pressure tee union end of body indent aperture 60 ° to match, and forms a superhigh pressure sealing line.
Ultrahigh pressure tee union body and ultrahigh pressure water output connector body and and the water supply connector body between sealing all adopt similar sealing means.
At the low pressure feed-water end, the attaching nut connects second termination of ultrahigh pressure tee union body with the water supply connector body, and the low pressure water inlet copper pipe connects by flared type water intake pipe box and flared type water intake nut.Main valve plug, the Returnning spring of water inlet one-way valve are installed in the shoulder hole of ultrahigh pressure tee union body, and sub-spool is installed on the main valve plug, is equipped with a sub-spool valve seat on the water supply connector body.
In the high pressure waterexit end, the left-handed thread pipe pad is spun on the 3rd pipe end of ultrahigh pressure tee union body, and the attaching nut connects the 3rd termination of ultrahigh pressure tee union body with ultrahigh pressure water output connector body.The main valve plug, the Returnning spring that go out water one-way valve are installed in the shoulder hole of ultrahigh pressure water output connector body, and sub-spool is installed on the main valve plug, are equipped with a sub-spool valve seat on the 3rd termination of ultrahigh pressure tee union body.
High-pressure water generating means composite-type one-way valve group of the present utility model, its advantage and effect are: adopted the dual sealing means of two-stage, can guarantee effectively high-pressure water under ultrahigh pressure forward conduction, oppositely end, the unlatching of spool and closing motion are steadily rapid, time response velocity fails is fast, can not only guarantee the foundation of whole system hyperpressure, can also guarantee simultaneously the higher volumetric efficiency and the power utilization of high-pressure water generation systems, have crucial meaning for the service behaviour of ultrahigh pressure water smoke generation systems and the reliability of work.
Description of drawings
Fig. 1 is the overall structure figure of single nonreturn valve core used in the prior art;
Fig. 2 is the structural drawing of the utility model high-pressure water composite-type one-way valve group;
Fig. 3 is the utility model ultrahigh pressure tee union body structure figure;
Fig. 4 is the head projection structural drawing of high-pressure water cylinder barrel;
Fig. 5 is a ultrahigh pressure tee union end of body inward recess structural drawing;
Fig. 6 is the head projection and the ultrahigh pressure tee union end of body inward recess attachment portion structural drawing of high-pressure water cylinder barrel.
Structural representation when Fig. 7 is the utility model high-pressure water composite-type one-way valve group closed condition;
Structural representation when Fig. 8 is the utility model high-pressure water composite-type one-way valve group opening state.
Wherein: 1-ultrahigh pressure water output connector body, 2-left-handed thread pipe pad, 3-attaching nut, 4-ultrahigh pressure tee union body, 5-high-pressure water cylinder barrel, the 6-plunger, 7-water supply connector body, 8-flared type water intake nut, 9-flared type water intake pipe box, 10-low pressure water inlet copper pipe, C-goes out water one-way valve, C '-water inlet one-way valve, the 11-main valve plug, the 12-Returnning spring, 13-spool, 14-spool valve seat, the 15-inward recess, the 16-shoulder hole, the S-potted line, 17-valve body joint, the 18-Returnning spring, the 19-nonreturn valve core, the 20-valve base joint.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further.
As shown in Figure 2, high-pressure water composite-type one-way valve group comprises ultrahigh pressure water output connector body 1, one-way valve C, left-handed thread pipe pad 2, attaching nut 3, ultrahigh pressure tee union body 4, high-pressure water cylinder barrel 5, plunger 6, water supply connector body 7, flared type water intake nut 8, flared type water intake pipe box 9, low pressure water inlet copper pipe 10 etc.
Left-handed thread pipe pad 2 is spun on first pipe end of ultrahigh pressure tee union body 4, by attaching nut 3 ultrahigh pressure tee union body 4 is connected with the head of high-pressure water cylinder barrel 5.The purpose that adopts left-handed thread is in order to prevent that pipe pad is loosening when the attaching nut is installed, to guarantee that ultrahigh pressure tee union body 4 connects reliably with the head of high-pressure water cylinder barrel 5.Plunger 6 movably is arranged in the containing space of afterbody of high-pressure water cylinder barrel 5.
Reliable for making this connect sealing, it is that 60 ° of inward recess 15 (as shown in Figure 5) match with one of them pipe end end gradient of ultrahigh pressure tee union body 4 that the head projection of high-pressure water cylinder barrel 5 adopts 59 ° conical structure (as shown in Figure 4), form the Line of contact of an annular, i.e. superhigh pressure sealing line S (as shown in Figure 6).Ultrahigh pressure tee union body 4 and ultrahigh pressure water output connector body 1 and and water supply connector body 7 between sealing all adopt similar sealing means.
At the low pressure feed-water end, attaching nut 3 connects second termination of ultrahigh pressure tee union body 4 with water supply connector body 7, and water inlet copper pipe 10 connects by flared type water intake pipe box 9 and flared type water intake nut 8.Main valve plug 11, the Returnning spring 12 of water inlet one-way valve are installed in the shoulder hole 16 (as shown in Figure 3) of 4 second terminations of ultrahigh pressure tee union body, and sub-spool 13 is installed on the main valve plug 11, is equipped with a sub-spool valve seat 14 on water supply connector body 7.
In the high pressure waterexit end, left-handed thread pipe pad 2 is spun on the 3rd pipe end of ultrahigh pressure tee union body 4, attaching nut 3 connects the 3rd termination of ultrahigh pressure tee union body 4 with ultrahigh pressure water output connector body 1.The spool 11, the Returnning spring 12 that go out water one-way valve are installed in the shoulder hole of ultrahigh pressure water output connector body 1, and sub-spool 13 is installed on the main valve plug 11, are equipped with a sub-spool valve seat 14 on the 3rd termination of ultrahigh pressure tee union body 4.
The work and the control procedure of this high-pressure water composite-type one-way valve group are as follows:
1, when plunger moves right, the sealed volume that is made of plunger and high-pressure water cylinder barrel endoporus increases, pressure in this sealed volume descends and forms parital vacuum, going out water one-way valve closes under the effect of high pressure, the water inlet one-way valve is opened under the effect of pressure of supply water, low-pressure water flows under the effect of pressure reduction in the sealed volume that is made of plunger and high-pressure water cylinder barrel endoporus, finishes water absorption course;
2, when plunger during to left movement, the sealed volume that is made of plunger and high-pressure water cylinder barrel endoporus reduces, pressure raise after WATER AS FLOW MEDIUM in the sealed volume was squeezed, the water inlet one-way valve is closed rapidly under the effect of high pressure, open out simultaneously water one-way valve, will provide high pressure water to system with certain pressure and certain flow; Along with the continuous to-and-fro motion of plunger, constantly export high pressure water to system.
3, the opening and closing process of water inlet one-way valve: (1) is when plunger moves right, the high-pressure water generating means becomes into water state by hull-borne, the pressure of one-way valve epicoele of intaking this moment becomes low pressure rapidly by ultrahigh pressure, sub-spool is at first opened under the effect of low pressure pressure of supply water, low pressure water supply is introduced and acted on the main valve plug, then main valve plug is opened, low-pressure water enters in the sealed volume of high-pressure water generating means through the passage on the main valve plug; As shown in Figure 8; (2) plunger is when left movement, the high-pressure water generating means becomes hull-borne by the water inlet state, the pressure of one-way valve epicoele of intaking this moment becomes ultrahigh pressure rapidly by low pressure, main valve plug is at first closed under the effect of hyperpressure, sub-then spool is closed, realize the two-stage double seal, as shown in Figure 7.
4, go out the opening and closing process of water one-way valve: (1) plunger is when left movement, the high-pressure water generating means becomes hull-borne by the water inlet state, the sub-spool that go out on the water one-way valve this moment is at first opened under the effect of hyperpressure, high-pressure water is incorporated into the main valve plug bottom, main valve plug is opened, and high-pressure water enters into system through the runner on the main valve plug; As shown in Figure 8; When (2) plunger moved right, the high-pressure water generating means became into water state by hull-borne, and the bottom that goes out water one-way valve becomes low pressure by high pressure rapidly, main valve plug is at first closed under the effect of hyperpressure, sub-then spool is closed, and realizes the two-stage double seal, as shown in Figure 7.
Claims (2)
1. high-pressure water generating means composite-type one-way valve group, it is characterized in that: this one-way valve group specifically comprises: ultrahigh pressure water output connector body (1), go out water one-way valve (C), water inlet one-way valve (C '), left-handed thread pipe pad (2), attaching nut (3), ultrahigh pressure tee union body (4), high-pressure water cylinder barrel (5), plunger (6), water supply connector body (7), flared type water intake nut (8), flared type water intake pipe box (9), low pressure water inlet copper pipe (10);
The left-handed thread pipe pad revolves (2) first pipe end at ultrahigh pressure tee union body (4), by attaching nut (3) head of ultrahigh pressure tee union body (4) with high-pressure water cylinder barrel (5) is connected; Plunger (6) movably is arranged in the containing space of afterbody of high-pressure water cylinder barrel;
At the low pressure feed-water end, attaching nut (3) connects second termination of ultrahigh pressure tee union body (4) with water supply connector body (7), and low pressure water inlet copper pipe (10) connects by flared type water intake pipe box (9) and flared type water intake nut (8); In the main valve plug (11) of water inlet one-way valve (C '), the shoulder hole (16) that Returnning spring (12) is installed in ultrahigh pressure tee union body, sub-spool (13) is installed on the main valve plug (11), is equipped with a sub-spool valve seat (14) on water supply connector body (7);
In the high pressure waterexit end, left-handed thread pipe pad (2) is spun on the 3rd pipe end of ultrahigh pressure tee union body, and attaching nut (3) connects the 3rd termination of ultrahigh pressure tee union body (4) with ultrahigh pressure water output connector body (1); Go out in the main valve plug (11) of water one-way valve (C), the shoulder hole (16) that Returnning spring (12) is installed in ultrahigh pressure water output connector body, sub-spool (13) is installed on the main valve plug (11), is equipped with a sub-spool valve seat (14) on the 3rd termination of ultrahigh pressure tee union body.
2. high-pressure water generating means composite-type one-way valve group according to claim 1, it is characterized in that: the head projection of high-pressure water cylinder barrel (5) adopts 59 ° conical structure, match with 60 ° of the inward recess (15) of ultrahigh pressure tee union end of body, form a superhigh pressure sealing line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206462410U CN201866338U (en) | 2010-12-02 | 2010-12-02 | Master-slave type check valve bank of ultrahigh pressure water generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206462410U CN201866338U (en) | 2010-12-02 | 2010-12-02 | Master-slave type check valve bank of ultrahigh pressure water generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866338U true CN201866338U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206462410U Expired - Lifetime CN201866338U (en) | 2010-12-02 | 2010-12-02 | Master-slave type check valve bank of ultrahigh pressure water generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022567A (en) * | 2010-12-02 | 2011-04-20 | 杭州太空高压射流科技股份有限公司 | Primary and secondary check valve group of ultra-high pressure water generator |
| CN109469743A (en) * | 2018-12-10 | 2019-03-15 | 北京华创精科生物技术有限公司 | Mixing-preventing valve |
-
2010
- 2010-12-02 CN CN2010206462410U patent/CN201866338U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022567A (en) * | 2010-12-02 | 2011-04-20 | 杭州太空高压射流科技股份有限公司 | Primary and secondary check valve group of ultra-high pressure water generator |
| CN109469743A (en) * | 2018-12-10 | 2019-03-15 | 北京华创精科生物技术有限公司 | Mixing-preventing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20120404 |