CN204852413U - Need not large -traffic fast division of spool valve of extra power driven - Google Patents
Need not large -traffic fast division of spool valve of extra power driven Download PDFInfo
- Publication number
- CN204852413U CN204852413U CN201520211402.6U CN201520211402U CN204852413U CN 204852413 U CN204852413 U CN 204852413U CN 201520211402 U CN201520211402 U CN 201520211402U CN 204852413 U CN204852413 U CN 204852413U
- Authority
- CN
- China
- Prior art keywords
- spool
- chamber
- need
- sear
- extra power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- LKJPSUCKSLORMF-UHFFFAOYSA-N Monolinuron Chemical compound CON(C)C(=O)NC1=CC=C(Cl)C=C1 LKJPSUCKSLORMF-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model discloses a need not large -traffic fast division of spool valve of extra power driven belongs to the valve field. Merge can be at step downthehole gliding " scholar " style of calligraphy case including inside cylindrical valve body for the step hole with setting up in the valve body to match with the step hole, the valve body is greater than feed liquor intracavity control chamber directly including feed liquor chamber and the internal diameter that is linked together, the case include by the connecting rod connect respectively with feed liquor chamber and control chamber sealed complex throttle post and guide post mutually, the juncture that is close to the feed liquor chamber on the chamber wall in control chamber and controls the chamber sets up the fluid issuing, the tip that lies in the case connecting rod on the control chamber is provided with adjusts the case at the switch of valve body along endwise slip. The utility model discloses a need not large -traffic fast division of spool valve of extra power driven provides great flow, starts and by rapidly, need not the extra power drive simultaneously, the energy saving.
Description
Technical field
The utility model relates to valve field, especially a kind of spool valve driven without the need to extra power.
Background technique
In pneumatic, hydraulic system, often need to discharge fast or conducting pressure fluid.Valve version common is at present columnar valve and needle type valve.Columnar valve can provide comparatively large discharge, but needs extra power to operate when station changes, and is generally designed to solenoid valve at present, and when, flow larger at pressure medium is larger, the extra power of needs is larger, and the volume of solenoid valve and action current are also larger.Needle type valve is insensitive to working pressure, and the shortcoming that ubiquity conducting is slow, flow is little, even if be therefore designed to automatically controlled pattern, these shortcomings also cannot overcome.
Model utility content
The utility model technical issues that need to address are to provide a kind of large discharge without the need to extra power driving and drive spool valve soon, and for work system provides larger flow, start and cut-off response rapidly, while drives without the need to extra power, energy saving.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of large discharge without the need to extra power driving drives spool valve soon, comprise the inner cylinder shape valve for step hole and be arranged in valve body " scholar " font spool merging and can slide in step hole that matches with step hole, described valve body comprises the control chamber that the admission chamber that is connected and internal diameter are greater than admission chamber internal diameter, described spool comprises the throttling pillar be sealed and matched mutually with admission chamber and control chamber respectively and directional post that are connected by connecting rod, the chamber wall of described control chamber arranges fluid output near the intersection of admission chamber and control chamber, the end described control chamber being positioned at spool connecting rod is provided with the switch that regulating spool slides axially at valve body.
The further improvement of technical solutions of the utility model is: in the square through hole of described switch activity cross-under on the wall of control chamber chamber.
The further improvement of technical solutions of the utility model is: described switch is a bevelled sear I of band, the inclined-plane of sear I is relative with spool, the inclined-plane of described sear I and the angle of cylinder radial plane are α, sin α < μ, μ are the friction factor of sear I and spool.
The further improvement of technical solutions of the utility model is: the inclined-plane of described sear I and the angle α of cylinder radial plane are sin α=0.9 μ.
The further improvement of technical solutions of the utility model is: described switch is the sear II of the rectangular structure matched with through hole, and the side that sear II is relative with spool is fixed with spring.
The further improvement of technical solutions of the utility model is: the outlet of described fluid is square aperture.
Owing to have employed technique scheme, the technological progress that the utility model obtains is:
Spool valve can provide larger flow for work system, is provided with and drives the switch that just can realize valve body conducting and cut-off without the need to extra power, energy saving after spool.
The position that sear I contacts with spool is inclined-plane, make operator by sear I at through hole time move up and down time rapidly convenient, the inclination on inclined-plane is limited simultaneously, prevent hydrodynamic pressure excessive and sear I is skidded off in unartificial situation in through hole, ensure that the reliability of spool valve work.Need only to need when spool valve admission chamber and fluid output conducting manually by sear I outwards movement, spool orders about lower rapid action at the pressure of fluid, reaches the effect opened soon.
The position that sear II contacts with spool is fixed with spring, the pressure rear spring that spool is subject to fluid carries out contraction, when the contour projector of spring reach spool front-end throttling is noted depart from admission chamber time valve body be on state, spring contraction degree correspond to fixing pressure, therefore spool valve can play the effect of constant pressure valve, expands using scope.
Accompanying drawing explanation
Fig. 1 is the cut-off state of the utility model spool valve;
Fig. 2 is the structural representation of the utility model spool;
Fig. 3 is the on state of the spool valve in Fig. 1;
Fig. 4 is the another kind of structural representation of the utility model;
Wherein, 1, valve body, 1-1, admission chamber, 1-2, control chamber, 2, spring, 3, outlet, 4, spool, 4-1, connecting rod, 4-2, throttling note, 4-3, directional post, 5, through hole, 6, sear I, 7, sear II.
Embodiment
Below in conjunction with embodiment, the utility model is described in further details:
Embodiment one:
The utility model comprises a columniform valve body 1, valve body 1 inside is provided with step hole, in step hole, less internal diameter one end is admission chamber 1-1, comparatively large diameter one end is control chamber 1-2, be slidably matched in the step hole of valve body 1 spool 4, spool 4 is " scholar " font structure, as shown in Figure 2, spool 4 comprises throttling pillar 4-2 and the directional post 4-3 of the different cylinder morphology of two external diameters, throttling pillar 4-2 and directional post 4-3 is less than the connecting rod 4-1 cross-under of throttling pillar 4-2 and directional post 4-3 by a diameter, and connecting rod 4-1 rear end exceeds directional post 4-3 rear end, throttling pillar 4-2 and admission chamber 1-1 seals and is slidably matched, directional post 4-3 and control chamber 1-2 sealing is slidably matched.The chamber wall of control chamber 1-2 is offered a square aperture, square aperture is as fluid output 3, and outlet 3 is near the intersection of admission chamber 1-1 and control chamber 1-2.In control chamber 1-2, the rear end of the connecting rod 4-1 of spool 4 arranges a sear I 6, sear I 6 is the iron block on a band inclined-plane, the inclined-plane of sear I 6 is tilted to cut a block of material along two adjacent surfaces by the iron block of a rectangular structure to be formed, and the inclined-plane of sear I 6 is relative with spool 4.Control chamber 1-2 chamber wall is arranged a square through hole 5, through hole 5 runs through whole valve body 1 along cylinder 1 radial direction, and sear I 6 cross-under is at square through hole 5 and can be movable along through hole 5.
The switch that sear I 6 slides axially at valve body 1 as regulating spool 4.When in spool 4 front-end throttling post 4-2 and valve body 1, admission chamber 1-1 is sealed and matched, valve body is in cut-off state, and as shown in Figure 1, sear I 6 is arranged in spool 4 rear end, moves after preventing spool 4 phase.The friction factor of the inclined-plane of sear I 6 and the angle of valve body 1 radial plane to be α, sin α=0.9 μ, μ be sear I 6 and spool 4.Spool selects brass, and sear I 6 is chosen as low carbon steel, and spool 4 is 0.1 with the friction factor of sear I 6, and obtaining inclined angle alpha is 5 °.The inclination on sear I 6 inclined-plane is limited, prevents hydrodynamic pressure excessive and sear I 6 is skidded off in unartificial situation in through hole 5, ensure that the reliability of valve body work.Need only to need manually outwards to be extracted out by sear I 6 when being communicated with outlet 3 by spool valve admission chamber 1-1, spool 4 orders about lower rapid action at the pressure of fluid, and admission chamber 1-1 and outlet 3 conductings, now as shown in Figure 3, valve body is on state.The surface of contact that sear I 6 contacts with spool 4 is inclined-plane, makes operator rapidly convenient when sear I 6 being stretched into and extracted out through hole 5, just can realize responding fast, reaching the effect opened soon without the need to driving by other energy etc.Spool valve can provide larger flow for system simultaneously, and drives conducting and the cut-off that just can realize spool valve without the need to extra power, has saved the energy.
Spool valve adds man-hour, only needs to produce relative sliding position to step hole in valve body 1 and spool 4 and does fine finishing, save time and labour force, increase work efficiency.
Embodiment two:
As shown in Figure 4, the utility model comprises a columniform valve body 1, valve body 1 inside is provided with step hole, in step hole, less internal diameter one end is admission chamber 1-1, comparatively large diameter one end is control chamber 1-2, be slidably matched in the step hole of valve body 1 spool 4, spool 4 is " scholar " font structure, as shown in Figure 2, spool 4 comprises throttling pillar 4-2 and the directional post 4-3 of the different cylinder morphology of two external diameters, throttling pillar 4-2 and directional post 4-3 is less than the connecting rod 4-1 cross-under of throttling pillar 4-2 and directional post 4-3 by a diameter, and connecting rod 4-1 rear end exceeds directional post 4-3 rear end, throttling pillar 4-2 and admission chamber 1-1 seals and is slidably matched, directional post 4-3 and control chamber 1-2 sealing is slidably matched.The chamber wall of control chamber 1-2 is offered a square aperture, square aperture is as fluid output 3, and outlet 3 is near the intersection of admission chamber 1-1 and control chamber 1-2.In control chamber 1-2, the rear end of the connecting rod 4-1 of spool 4 arranges a sear II 7, control chamber 1-2 chamber wall is arranged a square through hole 5, through hole 5 runs through whole valve body 1 along cylinder 1 radial direction, and sear II 7 is arranged in square through hole 5, and through hole 5 runs through whole valve body 1 along cylinder radial direction.One end that sear II 7 is relative with spool 4 is fixedly installed spring 2, and sear II 7 is Elastic Contact with the changes in contact of spool 4.Power be delivered on spring 2 after spool 4 is subject to hydrodynamic pressure, spring 2 is compressed gradually, and before the admission chamber 1-1 from valve body 1 of the throttling pillar 4-2 in spool 4 front end skids off, admission chamber 1-1 and outlet 3 do not have conducting, and spool valve is in cut-off state; Spring 2 continues to be compressed, and admission chamber 1-1 and outlet 3 conductings after throttling pillar 4-2 admission chamber 1-1 from valve body 1 of spool 4 front end skids off, spool valve is on state.Because the elasticity coefficient of spring 2 is constant, so the pressure that bears of spring 2 and shrinkage degree are changeless, so the pressure of fluid corresponding during spool valve conducting is a fixed value, therefore spool valve can be used as constant pressure valve and uses, and expands using scope.
Spool valve adds man-hour, only needs to produce relative sliding position to step hole in valve body 1 and spool 4 and does fine finishing, save time and labour force, increase work efficiency.
Claims (6)
1. drive spool valve soon without the need to the large discharge of extra power driving for one kind, it is characterized in that: comprise the inner cylinder shape valve (1) for step hole and be arranged in valve body (1) " scholar " font spool (4) merging and can slide in step hole that matches with step hole, described valve body (1) comprises the control chamber (1-2) that the admission chamber (1-1) that is connected and internal diameter are greater than admission chamber (1-1) internal diameter, described spool (4) comprises the throttling pillar (4-2) be sealed and matched mutually with admission chamber (1-1) and control chamber (1-2) respectively and directional post (4-3) that are connected by connecting rod (4-1), the chamber wall of described control chamber (1-2) arranges fluid output (3) near the intersection of admission chamber (1-1) and control chamber (1-2), the end described control chamber (1-2) being positioned at spool (4) connecting rod (4-1) is provided with the switch that regulating spool (4) slides axially at valve body (1).
2. a kind of large discharge without the need to extra power driving according to claim 1 drives spool valve soon, it is characterized in that: in the square through hole (5) of described switch activity cross-under on the wall of control chamber (1-2) chamber.
3. a kind of large discharge without the need to extra power driving according to claim 2 drives spool valve soon, it is characterized in that: described switch is a bevelled sear I (6) of band, the inclined-plane of sear I (6) is relative with spool (4), the inclined-plane of described sear I (6) and the angle of cylinder (1) radial plane are α, sin α < μ, μ are the friction factor of sear I and spool (4).
4. a kind of large discharge without the need to extra power driving according to claim 3 drives spool valve soon, it is characterized in that: the inclined-plane of described sear I (6) and the angle α of cylinder (1) radial plane are sin α=0.9 μ.
5. a kind of large discharge without the need to extra power driving according to claim 2 drives spool valve soon, it is characterized in that: described switch is the sear II (7) of the rectangular structure matched with through hole (5), the side that sear II (7) is relative with spool (4) is fixed with spring (2).
6. a kind of large discharge without the need to extra power driving according to any one of claim 1 ~ 5 drives spool valve soon, it is characterized in that: the outlet (3) of described fluid is square aperture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520211402.6U CN204852413U (en) | 2015-04-10 | 2015-04-10 | Need not large -traffic fast division of spool valve of extra power driven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520211402.6U CN204852413U (en) | 2015-04-10 | 2015-04-10 | Need not large -traffic fast division of spool valve of extra power driven |
Publications (1)
Publication Number | Publication Date |
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CN204852413U true CN204852413U (en) | 2015-12-09 |
Family
ID=54742959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520211402.6U Withdrawn - After Issue CN204852413U (en) | 2015-04-10 | 2015-04-10 | Need not large -traffic fast division of spool valve of extra power driven |
Country Status (1)
Country | Link |
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CN (1) | CN204852413U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104806778A (en) * | 2015-04-10 | 2015-07-29 | 国家电网公司 | Mass-flow quick-opening cylindrical valve without external energy source drive |
CN110344923A (en) * | 2018-04-02 | 2019-10-18 | 长城汽车股份有限公司 | Flow control valve, engine thermal management system and automobile |
-
2015
- 2015-04-10 CN CN201520211402.6U patent/CN204852413U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104806778A (en) * | 2015-04-10 | 2015-07-29 | 国家电网公司 | Mass-flow quick-opening cylindrical valve without external energy source drive |
CN110344923A (en) * | 2018-04-02 | 2019-10-18 | 长城汽车股份有限公司 | Flow control valve, engine thermal management system and automobile |
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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: 20151209 Effective date of abandoning: 20170613 |
|
AV01 | Patent right actively abandoned |