CN205173503U - Poor control valve of high pressure - Google Patents
Poor control valve of high pressure Download PDFInfo
- Publication number
- CN205173503U CN205173503U CN201520967252.1U CN201520967252U CN205173503U CN 205173503 U CN205173503 U CN 205173503U CN 201520967252 U CN201520967252 U CN 201520967252U CN 205173503 U CN205173503 U CN 205173503U
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- CN
- China
- Prior art keywords
- bonnet
- differential pressure
- pressure control
- valve
- control valve
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Abstract
The utility model discloses a poor control valve of high pressure, include valve body, disk seat, valve rod, case and go up the valve gap, the left end portion of valve body is equipped with left pore, the right -hand member portion of valve body is equipped with right pore, the disk seat sets up a left side pore with the intercommunication department in right side pore, it fixes to go up the valve gap the top of valve body, valve rod sliding connection in go up in the valve gap, the lower extreme of valve rod with the case is connected, case sliding connection in in the disk seat, the lower part of disk seat is equipped with the fluid cavity that has the sieve mesh, the fluid cavity with left side pore intercommunication, be equipped with the outflow hole with right pore intercommunication on the disk seat, the fluid cavity passes through the case with sliding connection between the disk seat and with outflow kong ke removes the formula intercommunication, the valve rod with it is equipped with the filler to go up between the valve gap. Like this, effectively reduce the impact force that the fluid caused, reduced the blastic deformation, improved life.
Description
Technical field
The utility model relates to the design and manufaction of valve body, particularly a kind of high differential pressure control valve.
Background technique
At present, existing High Pressure Difference control valve for fluids on market, structure relative complex, price is relatively costly.And due to fluid pressure difference large, the impact force causing the structure such as spool, valve seat to be subject to is large and be out of shape, and has had a strong impact on the working life of control valve.
Summary of the invention
The utility model is to solve deficiency of the prior art, provides a kind of impact force effectively reducing fluid and cause, decreases blastic deformation, improve the high differential pressure control valve in working life.
The technological scheme of a kind of high differential pressure control valve of the utility model is:
A kind of high differential pressure control valve, comprise valve body, valve seat, valve rod, spool and bonnet, the left part of described valve body is provided with left hole road, the right part of described valve body is provided with right hole road, described valve seat is arranged on the connectivity part in described left hole road and described right hole road, described bonnet is fixed on the top of described valve body, described valve stem slides is connected in described bonnet, the lower end of described valve rod is connected with described spool, described spool is slidably connected in described valve seat, the bottom of described valve seat is provided with the fluid chamber with sieve aperture, described fluid chamber and described left hole link, described valve seat is provided with the tap hole with right hole link, described fluid chamber is communicated with by being slidably connected and can removing formula with described tap hole between described spool and described valve seat, filler is provided with between described valve rod and described bonnet.
The technological scheme of a kind of high differential pressure control valve of the utility model can also be:
Be provided with filler heelpiece between described valve rod and described bonnet, the outer ring of described filler heelpiece and the inwall of described bonnet fit tightly, and the inner ring of described valve rod and described filler heelpiece is slidably connected, and the bottom of described filler is pressed on described filler heelpiece.
The top of described filler has been installed with packing box assembly, and the outer ring of described packing box assembly and the inwall of described bonnet fit tightly, and the inner ring of described valve rod and described packing box assembly is slidably connected.
The upper end sealing of described packing box assembly is provided with dust preventing component.
The bottom of described bonnet is upwards provided with the first guide sleeve along the glide direction of described valve rod, and described valve stem slides is connected in described first guide sleeve.
The top of described valve seat is along the glide direction of described spool to having the second guide sleeve, and described spool is slidably connected in described first guide sleeve.
Described valve seat is connected with described valve body screw thread.
Graphite wound gasket is provided with between described valve body and described valve seat.
The upper end of described bonnet is fastening by round nut.
Described sieve aperture is regularly distributed on described fluid chamber.
A kind of high differential pressure control valve of the present utility model, comprise valve body, valve seat, valve rod, spool and bonnet, the left part of described valve body is provided with left hole road, the right part of described valve body is provided with right hole road, described valve seat is arranged on the connectivity part in described left hole road and described right hole road, described bonnet is fixed on the top of described valve body, described valve stem slides is connected in described bonnet, the lower end of described valve rod is connected with described spool, described spool is slidably connected in described valve seat, the bottom of described valve seat is provided with the fluid chamber with sieve aperture, described fluid chamber and described left hole link, described valve seat is provided with the tap hole with right hole link, described fluid chamber is communicated with by being slidably connected and can removing formula with described tap hole between described spool and described valve seat, filler is provided with between described valve rod and described bonnet.Like this, after fluid enters into valve body by left hole road, be introduced into the fluid chamber with sieve aperture, user can operating valve lever, make the relative bonnet upward sliding of valve rod, then drive the spool that is connected with valve rod along valve seat upward sliding, thus be communicated with fluid chamber and tap hole, and then fluid can be flowed out via right hole road from tap hole.And when closing, user can by valve rod slide downward, and then make fluid chamber and being communicated with of tap hole be blocked by spool, thus relieve being communicated with of fluid chamber and tap hole, stopped fluid and flowed out by right hole road.Compared with prior art, spool is placed in the inside of valve seat to the utility model, and the bottom of valve seat is provided with the fluid chamber with sieve aperture, and first fluid enters into fluid chamber, thus avoids fluid directly to the impact force of spool.And after fluid chamber is communicated with tap hole, sieve aperture can slow down and control fluid and enter into speed in fluid chamber and flow, thus has cushioned convection cell impact force further, again reduces the impact force of fluid to spool, decrease the blastic deformation of spool, improve overall working life.Meanwhile, filler can play good lubrication and seal action, and valve rod can be made more smooth and easy along the slip of bonnet, simultaneously also by the hydraulic seal that volatilizes in fluid or taken out of by valve rod in bonnet, can not diffusion be yearned for, improve the Security of use.And high differential pressure control valve structure of the present utility model is simple, and easy accessibility, structure is firm.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high differential pressure control valve of the utility model;
Fig. 2 is the A portion enlarged view in a kind of high differential pressure control valve Fig. 1 of the utility model;
Figure number explanation
1 ... valve body 2 ... valve seat 3 ... valve rod 4 ... bonnet 5 ... second guide sleeve 6 ... first guide sleeve 7 ... filler heelpiece 8 ... filler 9 ... packing box assembly 10 ... round nut 11 ... dust preventing component 12 ... graphite wound gasket 13 ... spool 14 ... fluid chamber 15 ... tap hole 16 ... sieve aperture 17 ... left hole road 18 ... right hole road
Embodiment
Below in conjunction with specific embodiment, a kind of high differential pressure control valve of the present utility model is further described.
As shown in Figure 1-2, a kind of high differential pressure control valve, comprise valve body 1, valve seat 2, valve rod 3, spool 13 and bonnet 4, the left part of described valve body 1 is provided with left hole road 17, the right part of described valve body 1 is provided with right hole road 18, described valve seat 2 is arranged on the connectivity part in described left hole road 17 and described right hole road 18, described bonnet 4 is fixed on the top of described valve body 1, described valve rod 3 is slidably connected in described bonnet 4, the lower end of described valve rod 3 is connected with described spool 13, described spool 13 is slidably connected in described valve seat 2, the bottom of described valve seat 2 is provided with the fluid chamber 14 with sieve aperture 16, described fluid chamber 14 is communicated with described left hole road 17, described valve seat 2 is provided with the tap hole 15 be communicated with right hole road 18, described fluid chamber 14 is communicated with by being slidably connected and can removing formula with described tap hole 15 between described spool 13 and described valve seat 2, filler 8 is provided with between described valve rod 3 and described bonnet 4.Like this, after fluid enters into valve body 1 by left hole road 17, be introduced into the fluid chamber 14 with sieve aperture 16, user can operating valve lever 3, make valve rod 3 bonnet 4 upward sliding relatively, then drive the spool 13 that is connected with valve rod 3 along valve seat 2 upward sliding, thus be communicated with fluid chamber 14 and tap hole 15, and then fluid can be flowed out via right hole road 18 from tap hole 15.And when closing, user can by valve rod 3 slide downward, and then make fluid chamber 14 and being communicated with of tap hole 15 be blocked by spool 13, thus relieve being communicated with of fluid chamber 14 and tap hole 15, stopped fluid and flowed out by right hole road 18.Compared with prior art, spool 13 is placed in the inside of valve seat 2 to the utility model, and the bottom of valve seat 2 is provided with the fluid chamber 14 with sieve aperture 16, and first fluid enters into fluid chamber 14, thus avoids fluid directly to the impact force of spool 13.And after fluid chamber 14 is communicated with tap hole 15, sieve aperture 16 can slow down and control fluid and enter into speed in fluid chamber 14 and flow, thus cushioned convection cell impact force further, again reduce the impact force of fluid to spool 13, decrease the blastic deformation of spool 13, improve overall working life.Simultaneously, filler 8 can play good lubrication and seal action, and valve rod 3 can be made more smooth and easy along the slip of bonnet 4, simultaneously also by the hydraulic seal that volatilizes in fluid or taken out of by valve rod 3 in bonnet 4, can not diffusion be yearned for, improve the Security of use.And high differential pressure control valve structure of the present utility model is simple, and easy accessibility, structure is firm.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model is on the basis of technique scheme, can be: between described valve rod 3 and described bonnet 4, be provided with filler heelpiece 7, the outer ring of described filler heelpiece 7 and the inwall of described bonnet 4 fit tightly, described valve rod 3 is slidably connected with the inner ring of described filler heelpiece 7, and the bottom of described filler 8 is pressed on described filler heelpiece 7.Like this, filler heelpiece 7 and bonnet 4 clamp, and valve rod 3 can be made to be slidably connected with it, and are the support force that filler 8 improves upwards, thus ensure that filler 8 can not play up and down when valve rod 3 slides.Preferred technological scheme can also be further: the top of described filler 8 has been installed with packing box assembly 9, and the outer ring of described packing box assembly 9 and the inwall of described bonnet 4 fit tightly, and described valve rod 3 is slidably connected with the inner ring of described packing box assembly 9.Like this, packing box assembly 9 and bonnet 4 clamp, and valve rod 3 can be made to be slidably connected with it, and are pressed between filler heelpiece 7 and packing box assembly 9 by filler 8, thus ensure that filler 8 can not play up and down when valve rod 3 slides.Preferred technological scheme also can be further: the upper end sealing of described packing box assembly 9 is provided with dust preventing component 11.Like this, the setting of dust preventing component 11 avoids dust and impurity enters into the inside of high differential pressure control valve of the present utility model by bonnet 4 and affects use, ensure that the workmanship of high differential pressure control valve of the present utility model.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model is on the basis of technique scheme, can be: the bottom of described bonnet 4 is upwards provided with the first guide sleeve 6 along the glide direction of described valve rod 3, and described valve rod 3 is slidably connected in described first guide sleeve 6.Like this, the first guide sleeve 6 pairs valve rod 3 serves leading role along bonnet 4 slip in the vertical direction, avoids valve rod 3 rocking in slip, ensure that the stability that valve rod 3 slides.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model is on the basis of technique scheme, can be: the top of described valve seat 2 is along the glide direction of described spool 13 to having the second guide sleeve 5, and described spool 13 is slidably connected in described first guide sleeve 6.Like this, the second guide sleeve 5 pairs spool 13 serves leading role along valve seat 2 slip in the vertical direction, avoids spool 13 rocking in slip, ensure that the stability that spool 13 slides.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model on the basis of technique scheme, Ke Yishi: described valve seat 2 is threaded with described valve body 1.Like this, screwing operation is simple, can make fixing reliably between valve seat 2 and valve body 1 simultaneously.Preferred technological scheme can be further: be provided with graphite wound gasket 12 between described valve body 1 and described valve seat 2.Like this, valve body 1 inside, by the valve seat 2 that is threaded, is provided with graphite wound gasket 12 between valve body 1 and valve seat 2, graphite wound gasket 12 can play good seal action, and then anti-fluid is excessive.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model on the basis of technique scheme, Ke Yishi: the upper end of described bonnet 4 is fastening by round nut 10.Like this, the upper end of bonnet 4 is threaded connection round nut 10, and round nut 10 serves the effect of locking bonnet 4 further diametrically.
See accompanying drawing 1-2, a kind of high differential pressure control valve of the present utility model on the basis of technique scheme, Ke Yishi: described sieve aperture 16 is regularly distributed on described fluid chamber 14.Like this, at spool 13 upward sliding communication of fluid chamber 14 and tap hole 15, the sieve aperture 16 of regular distribution can make the fluid flow in valve body 1 by left hole road 17 can enter into fluid chamber 14 via sieve aperture 16 equably, and then is flowed out from right hole road 18 by tap hole 15 again.
Above-mentionedly only a kind of specific embodiment in the utility model to be illustrated; but can not as protection domain of the present utility model; every equivalence made according to the design spirit in the utility model changes or modifies, and all should think and fall into protection domain of the present utility model.
Claims (10)
1. a high differential pressure control valve, it is characterized in that: comprise valve body, valve seat, valve rod, spool and bonnet, the left part of described valve body is provided with left hole road, the right part of described valve body is provided with right hole road, described valve seat is arranged on the connectivity part in described left hole road and described right hole road, described bonnet is fixed on the top of described valve body, described valve stem slides is connected in described bonnet, the lower end of described valve rod is connected with described spool, described spool is slidably connected in described valve seat, the bottom of described valve seat is provided with the fluid chamber with sieve aperture, described fluid chamber and described left hole link, described valve seat is provided with the tap hole with right hole link, described fluid chamber is communicated with by being slidably connected and can removing formula with described tap hole between described spool and described valve seat, filler is provided with between described valve rod and described bonnet.
2. a kind of high differential pressure control valve according to claim 1, it is characterized in that: between described valve rod and described bonnet, be provided with filler heelpiece, the outer ring of described filler heelpiece and the inwall of described bonnet fit tightly, the inner ring of described valve rod and described filler heelpiece is slidably connected, and the bottom of described filler is pressed on described filler heelpiece.
3. a kind of high differential pressure control valve according to claim 2, it is characterized in that: the top of described filler has been installed with packing box assembly, the outer ring of described packing box assembly and the inwall of described bonnet fit tightly, and the inner ring of described valve rod and described packing box assembly is slidably connected.
4. a kind of high differential pressure control valve according to claim 3, is characterized in that: the upper end sealing of described packing box assembly is provided with dust preventing component.
5. a kind of high differential pressure control valve according to any one of claim 1-4 claim, is characterized in that: the bottom of described bonnet is upwards provided with the first guide sleeve along the glide direction of described valve rod, and described valve stem slides is connected in described first guide sleeve.
6. a kind of high differential pressure control valve according to any one of claim 5 claim, is characterized in that: the top of described valve seat is along the glide direction of described spool to having the second guide sleeve, and described spool is slidably connected in described first guide sleeve.
7. a kind of high differential pressure control valve according to any one of claim 1-4 claim, is characterized in that: described valve seat is connected with described valve body screw thread.
8. a kind of high differential pressure control valve according to claim 7, is characterized in that: be provided with graphite wound gasket between described valve body and described valve seat.
9. a kind of high differential pressure control valve according to any one of claim 1-4 claim, is characterized in that: the upper end of described bonnet is fastening by round nut.
10. a kind of high differential pressure control valve according to any one of claim 1-4 claim, is characterized in that: described sieve aperture is regularly distributed on described fluid chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967252.1U CN205173503U (en) | 2015-11-27 | 2015-11-27 | Poor control valve of high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967252.1U CN205173503U (en) | 2015-11-27 | 2015-11-27 | Poor control valve of high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173503U true CN205173503U (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967252.1U Active CN205173503U (en) | 2015-11-27 | 2015-11-27 | Poor control valve of high pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139408A (en) * | 2018-11-02 | 2019-01-04 | 纪方 | A kind of hydraulic hand-pump |
-
2015
- 2015-11-27 CN CN201520967252.1U patent/CN205173503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139408A (en) * | 2018-11-02 | 2019-01-04 | 纪方 | A kind of hydraulic hand-pump |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191105 Address after: 272000 No.1 HENGFA Road, Beisu Town, Zoucheng City, Jining City, Shandong Province Patentee after: Etam fluid control technology (Shandong) Co., Ltd Address before: 101300 No. 29 village front, Linhe village, Renhe District, Beijing, Shunyi District Patentee before: ETAM FLUID CONTROL TECHNOLOGY (BEIJING) CO., LTD. |