CN201687567U - Water drain valve - Google Patents
Water drain valve Download PDFInfo
- Publication number
- CN201687567U CN201687567U CN2010202163462U CN201020216346U CN201687567U CN 201687567 U CN201687567 U CN 201687567U CN 2010202163462 U CN2010202163462 U CN 2010202163462U CN 201020216346 U CN201020216346 U CN 201020216346U CN 201687567 U CN201687567 U CN 201687567U
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- Prior art keywords
- spool
- water
- hole
- chamber
- valve spool
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Abstract
The utility model discloses a water drain valve, which comprises a valve seat and a valve spool. A through cavity is disposed in the valve seat and is a step-shaped through hole, a thin section of the through hole is a water inlet cavity, a thick section of the through hole is a water outlet cavity, the valve spool is in screw connection into the water outlet cavity through outer thread, a valve spool cavity communicated with the outer end of the valve spool is disposed in the valve spool, the inner end of the valve spool is provided with a valve spool plug capable of sealing and plugging the inner end of the water inlet cavity, and the valve spool plug is provided with a through hole communicating the valve spool cavity with the water outlet cavity. The through hole is attached with the outer thread. The valve spool plug is conical or spherical-crown-shaped. The valve spool plug and the valve spool are integrally connected. The water drain valve with the structure is reasonable in structure, simple in operation and convenient in water drainage, is suitable for various water drain occasions, is particularly suitable for a water pumping and pressing cavity of a water-cooled diesel engine, can conveniently control water drain speed and flow direction, and is favorable for increasing maintenance efficiency.
Description
Technical field
The utility model relates to a kind of discharging valve.
Background technique
Statistics shows, the cause of 40% engine failure is from cooling system, so cooling system plays important effect to the reliable operation of motor.Diesel engine is the bigger motor of a kind of output power, power is big more, its requirement to cooling system is just high more, at present, the most diesel oil motor all adopts sealing to force the type of cooling of water cycle to come motor is cooled off, this water cooling system is simple in structure, good cooling results, and with low cost.Adopt the diesel engine of water cooling system, water pump pump hydraulic pressure water cavity separates with the water inlet water sucting cavity and cuts off setting, therefore when overhauling water pump, owing to there is not special-purpose discharging valve, the cooling water that accumulates in the setting-out chamber can not flow out automatically, cause the maintenance man very inconvenient when overhauling water pump, and cooling water can't reclaim and control.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure, simple to operate at above-mentioned deficiency, and a kind of easily discharging valve of draining.
For solving the problems of the technologies described above, in comprising, this discharging valve is provided with the valve seat and the spool that connect the chamber, its structural feature is: described perforation chamber is step-like through hole, the through hole thin segment is a water-inlet cavity, the thick section of through hole be a water chamber, and spool is provided with the spool chamber of connection spool outer end by being arranged on external thread bolt connection on the spool in water chamber in the spool, spool the inner is provided with and can seals the spool plug that stops up water-inlet cavity the inner, and spool is provided with the through hole that is communicated with spool chamber and water chamber beyond the Great Wall.
The discharging valve of this structure is to come implementation structure reasonable by the sealing configuration that is spirally connected, and is simple to operate, and draining easily.
The sealing configuration that is spirally connected is meant that spool periphery and valve base inner wall are directly by being threaded togather, by rotational valve core, and can regulating spool and the relative position relation of valve seat.The perforation chamber of valve seat comprises water chamber and the water-inlet cavity that is connected together, and the internal diameter of water chamber is bigger than the internal diameter of water-inlet cavity, and like this, connecting the chamber just becomes a step-like through hole.The spool outside is provided with outside thread, and the valve base inner wall of water chamber correspondence is provided with corresponding with it internal thread, and spool is screwed onto on the inwall of the corresponding valve seat of water chamber, and spool the inner is installed with the spool plug, and spool plug end is corresponding with the water-inlet cavity position.Be provided with the spool chamber with external communications in the spool, spool plug sidepiece is provided with through hole, and through hole is communicated with spool chamber and water chamber.When this discharging valve is installed, valve seat and container or pipeline are linked together, like this, water-inlet cavity just is communicated with container or pipeline, and spool chamber directly is in communication with the outside.When being rotated in the forward spool, spool will precession in water chamber, and then spool drives the spool plug and moves to the water-inlet cavity direction, and when the spool plug withstood on the corresponding valve base inner wall of water-inlet cavity, water-inlet cavity was just sealed up by the spool plug, and at this moment, this discharging valve is in closed condition.When the counterrotating spool, spool and spool plug are away from water-inlet cavity, at this moment, water-inlet cavity directly is communicated with water chamber, and water chamber is communicated with spool chamber by the through hole on the spool, and this discharging valve is in opening state, like this, this container or pipeline just are in communication with the outside by water-inlet cavity, water chamber, through hole, spool chamber successively, and to extraneous discharge liquid or gas, it is very simple to operate.
As improvement, described through hole and described outside thread are pressed close to be provided with.
Through hole on the spool and outside thread are pressed close to be provided with, can prevent that medium from producing the suck-back phenomenon when spool flows out in water chamber, like this, just avoided when turning on spool, medium makes the controllability of this discharging valve stronger also flowing out in the gap that is spirally connected of spool and valve seat when spool chamber flows out.
As a kind of mode of execution, the quantity of described through hole is one.
The quantity of through hole is set to one, and is more concentrated when medium is passed through, and controls more conveniently, and processing is simple.
As improvement, the cross-section area of described through hole is less than the spool chamber cross-section area.
Littler than spool chamber cross-section area with the design of the cross-section area of through hole produces certain negative pressure at the through hole place when MEDIA FLOW is gone out, like this, when medium flows out more steadily, relax, controllability is better.
As another kind of mode of execution, the quantity of described through hole is a plurality of.
At spool a plurality of through holes are set beyond the Great Wall, in the time of can making MEDIA FLOW cross through hole, it is more even to flow, and flow effect is better.
As improvement, the cross-section area sum of described through hole is less than the spool chamber cross-section area.
Littler than spool chamber cross-section area with the design of the cross-section area sum of through hole produces certain negative pressure at the through hole place when MEDIA FLOW is gone out, like this, when medium flows out more steadily, relax, controllability is better.
As a kind of optimal way, described spool plug is coniform or the spherical crown shape.
Be arranged to the spool plug coniform or the spherical crown shape, the top of spool plug is less and sidepiece is bigger, the spool plug is when water-inlet cavity is close, top coniform or that spherical crown shape spool plug is less will be introduced in the water-inlet cavity, sidepiece coniform or that spherical crown shape spool plug is bigger then is clamped on water-inlet cavity the inner, is twisted tightly more when spool, and the part that spool enters in the water-inlet cavity is just big more, the spool plug is pressed to such an extent that water-inlet cavity is also just tight more, better tightness.
As a kind of preferred implementation, described spool plug and spool are the integrative-structure that is connected as a single entity.
Spool plug and spool are made as integrative-structure, and when rotational valve core, the spool plug will rotate with spool, and sealing or unlatching are more timely, move quicker.
As further improving, the spool outer end is installed with the connecting tube that is communicated with spool chamber again, and connecting tube outer end outer surface is provided with bulge loop.
Set firmly connecting tube in the spool outer end, the connecting tube inner chamber is communicated with spool chamber, so just can control the direction that flows out medium by connecting tube, connecting tube outer end outer surface is provided with bulge loop, mainly be for preparing at connecting tube outer end suit plastic flexible pipe, bulge loop can strengthen frictional force, makes suit tightr.
As further improving, the valve seat periphery is installed with the holding section, and the profile periphery of described holding section is regular hexagon, is installed with clamping part on the spool, and described clamping part profile periphery is regular hexagon.
Clamping part is set on spool, can conveniently tightens spool and unclamp spool, it is convenient to operate.Spool clamping part profile periphery is arranged to regular hexagon, when tightening or unclamp spool, just can uses spanner closing assisted or open this discharging valve, it is time saving and energy saving to operate.As a same reason, in the valve seat periphery holding section is set, and valve seat profile periphery is designed to regular hexagon, no matter when valve seat being installed still overhauling valve seat, can be rotated with spanner, when needs are tightened spool or unclamped spool, also can block valve seat with spanner, thereby play the effect of assist location valve seat, it is time saving and energy saving to operate.
In sum, adopt the discharging valve of this structure, rational in infrastructure, simple to operate, and draining is convenient, is adapted at the various occasions that discharge water and uses, be particluarly suitable for using on the pump hydraulic pressure water cavity of water-cooled diesel engine, can conveniently control the speed and the flow direction that discharge water, help to improve maintenance efficiency.
Description of drawings
In conjunction with the accompanying drawings the utility model is described in further details:
Fig. 1 is the structural representation of the utility model closed condition;
Fig. 2 is the structural representation of the utility model opening state.
Among the figure: 1 is valve seat, and 2 is spool, and 3 for connecting the chamber, and 4 is the spool plug, and 5 is spool chamber, and 6 is through hole, and 7 is connecting tube, and 8 is bulge loop, and 9 is clamping part, and 10 is outside thread, and 11 is internal thread, and 12 is water-inlet cavity, and 13 is water chamber.
Embodiment
As shown in Figure 1, this discharging valve comprises valve seat 1, valve seat 1 outside is provided with the holding section, is provided with the perforation chamber 3 that connects valve seat 1 two ends in the valve seat 1, connects chamber 3 and comprises water-inlet cavity 12 and the water chamber 13 that is connected together, water-inlet cavity 12 is cylindric, it is cylindric that water chamber 13 also is, water-inlet cavity 12 and water chamber 13 coaxial settings, and water-inlet cavity 12 internal diameters are littler than water chamber 13 internal diameters, therefore, water-inlet cavity 12 and water chamber 13 constitute a step-like through hole.Valve seat 1 inwall corresponding with water chamber 13 is provided with internal thread 11, valve seat 1 is bolted with spool 2 by internal thread 11, spool 2 is cylindric, and the outside, spool 2 bottoms is provided with the outside thread 10 that matches with internal thread 11, and spool 2 upper outside are installed with clamping part 9, clamping part 9 profile peripheries are arranged to regular hexagon, like this, when tightening or unclamp spool 2, can block clamping part 9 with spanner, simple to operate, time saving and energy saving.Spool 2 inside are provided with spool chamber 5, and spool chamber 5 is cylindric, and spool chamber 5 is in communication with the outside by clamping part 9 place ends with spool 2 coaxial settings, spool chamber 5.The end that spool 2 is arranged in valve seat 1 water chamber 13 is installed with spool plug 4, spool plug 4 is the integrative-structure that is connected as a single entity with spool 2, in the present embodiment, spool plug 4 is top coniform towards water-inlet cavity 12, spool plug 4 and spool 2 coaxial settings, like this, spool plug 4 and the also coaxial setting of water-inlet cavity 12, the circular cone top of spool plug 4 is corresponding with the center line of water-inlet cavity 12.By precession spool 2 in the water chamber 13 of valve seat 1, spool plug 4 can be gradually near water-inlet cavity 12, and when spool plug 4 coniform outer side surfaces were against on valve seat 1 inwall corresponding with water-inlet cavity 12, spool plug 4 had just blocked water-inlet cavity 12.Spool 2 is twisted tightly more in water chamber 13, and it is tight more that spool plug 4 is sealed into water cavity 12, better tightness.The external diameter of spool plug 4 is provided with forr a short time than water chamber 13 external diameters, like this, just has a gap between spool plug 4 outer side walls and valve seat 1 inwall.The sidepiece of spool plug 4 is provided with through hole 6, and through hole 6 is a circular hole, and through hole 6 is communicated with spool chamber 5 with water chamber 13.The tangent setting of outside thread 10 starting points of through hole 6 and spool 2 can prevent to produce the suck-back phenomenon like this, avoids medium to flow out from the cooperation place of outside thread 10 and internal thread 11.The quantity of through hole 6 is made as two, and through hole 6 cross-section area sums can prevent to produce negative pressure like this less than the rank street area of spool chamber 5, and is more unobstructed when medium is flowed out.When rotary spool 2 in water chamber 13, spool plug 4 top circular cone outer side surfaces seal up water-inlet cavity 12, and spool chamber 5 is cut off by spool plug 4 with the communication passage of water-inlet cavity 12, and this discharging valve is in closed condition.As shown in Figure 2, when outside rotary spool 2, when making spool plug 4 leave water-inlet cavity 12, spool chamber 5 is communicated with external container or pipeline by through hole 6, water chamber 13, water-inlet cavity 12, and like this, container or ducted medium just can be released.The part that spool 2 is positioned at valve seat 1 outside is connected with connecting tube 7, connecting tube 7 is a pipe, connecting tube 7 and spool 2 coaxial settings, connecting tube 7 internal diameters are identical with spool chamber 5 internal diameters, the outside, connecting tube 7 ends is installed with bulge loop 8, when needing drainage, the drainage hose proof can be installed on the connecting tube 7, bulge loop 8 can strengthen suit frictional force.Valve seat 1 outside one end is provided with outside thread, and the profile of valve seat 1 outside the other end is arranged to regular hexagon, like this, only needs to use common wrench to carry out screw thread to this discharging valve and installs, and operation is very easy.
Claims (10)
1. discharging valve, be provided with the valve seat (1) and the spool (2) that connect the chamber in comprising, it is characterized in that: described perforation chamber is step-like through hole, the through hole thin segment is water-inlet cavity (12), the thick section of through hole is water chamber (13), spool (2) is screwed onto in the water chamber (13) by the outside thread (10) that is arranged on spool (2) end, be provided with the spool chamber (5) that is communicated with spool (2) outer end in the spool (2), spool (2) the inner is provided with to seal stops up the inner spool plug (4) of water-inlet cavity (12), and spool plug (4) is provided with the through hole (6) that is communicated with spool chamber (5) and water chamber (13).
2. discharging valve as claimed in claim 1 is characterized in that: described through hole (6) is pressed close to be provided with outside thread (10) end of spool (2).
3. discharging valve as claimed in claim 2 is characterized in that: the quantity of described through hole (6) is one.
4. discharging valve as claimed in claim 3 is characterized in that: the cross-section area of described through hole (6) is less than spool chamber (5) cross-section area.
5. discharging valve as claimed in claim 2 is characterized in that: the quantity of described through hole (6) is a plurality of.
6. discharging valve as claimed in claim 5 is characterized in that: the cross-section area sum of described through hole (6) is less than spool chamber (5) cross-section area.
7. as claim 1,2,3,4,5 or 6 described discharging valves, it is characterized in that: described spool plug (4) is coniform or the spherical crown shape.
8. discharging valve as claimed in claim 7 is characterized in that: described spool plug (4) and the integrative-structure of spool (2) for being connected as a single entity.
9. discharging valve as claimed in claim 8 is characterized in that: spool (2) outer end is installed with the connecting tube (7) that is communicated with spool chamber (5), and connecting tube (7) outer end outer surface is provided with bulge loop (8).
10. discharging valve as claimed in claim 9 is characterized in that: valve seat (1) periphery is installed with the holding section, and the profile periphery of described holding section is regular hexagon, and spool is installed with clamping part on (2), and described clamping part profile periphery is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202163462U CN201687567U (en) | 2010-05-27 | 2010-05-27 | Water drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202163462U CN201687567U (en) | 2010-05-27 | 2010-05-27 | Water drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687567U true CN201687567U (en) | 2010-12-29 |
Family
ID=43375852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202163462U Expired - Lifetime CN201687567U (en) | 2010-05-27 | 2010-05-27 | Water drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852296A (en) * | 2010-05-27 | 2010-10-06 | 潍柴动力股份有限公司 | Water drain valve |
| CN110131081A (en) * | 2019-04-02 | 2019-08-16 | 中国北方发动机研究所(天津) | A kind of diesel engine air inlet system Rapid water drain valve |
| CN112901331A (en) * | 2021-01-12 | 2021-06-04 | 武汉路特斯汽车有限公司 | Filling device shared by multiple loops of cooling liquid |
-
2010
- 2010-05-27 CN CN2010202163462U patent/CN201687567U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852296A (en) * | 2010-05-27 | 2010-10-06 | 潍柴动力股份有限公司 | Water drain valve |
| CN110131081A (en) * | 2019-04-02 | 2019-08-16 | 中国北方发动机研究所(天津) | A kind of diesel engine air inlet system Rapid water drain valve |
| CN112901331A (en) * | 2021-01-12 | 2021-06-04 | 武汉路特斯汽车有限公司 | Filling device shared by multiple loops of cooling liquid |
| CN112901331B (en) * | 2021-01-12 | 2022-04-22 | 武汉路特斯汽车有限公司 | Filling device shared by multiple loops of cooling liquid |
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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: 20101229 Effective date of abandoning: 20120502 |