CN201884715U - Pressure sensitive valve - Google Patents
Pressure sensitive valve Download PDFInfo
- Publication number
- CN201884715U CN201884715U CN2010206068823U CN201020606882U CN201884715U CN 201884715 U CN201884715 U CN 201884715U CN 2010206068823 U CN2010206068823 U CN 2010206068823U CN 201020606882 U CN201020606882 U CN 201020606882U CN 201884715 U CN201884715 U CN 201884715U
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- water
- hole
- spring housing
- pressure
- push rod
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Abstract
The utility model discloses a pressure sensitive valve, which is applied to geological prospecting, coal seam detection and the like and capable of operating to realize automatic switching between low-pressure water and high-pressure pressure water by the aid of water pressure pushing a sealing part in motion and a spring. The pressure sensitive valve is simple in structure and ingenuous in design, the spring is pressed by water pressure, when the water pressure is higher than pressure of the spring, a valve spool is pushed by the water pressure to block a low-pressure water channel, high-pressure water spouts are exposed to realize high-pressure lateral spray, and when the water pressure is lower than the pressure of the spring, the valve spool is pushed away by the aid of the pressure of the spring, and the high-pressure water spouts are blocked by the valve spool while the low-pressure channel is exposed to realize front-end water discharging, and accordingly the function of automatically switching between low-pressure water and high-pressure water is realized, and the pressure sensitive valve is quite convenient in use.
Description
Technical field
The utility model discloses a kind of valve, particularly a kind of forced induction valve that is applied in geologic prospecting and the coal exploration etc.
Background technique
In geologic prospecting and coal exploration etc., can use water usually cools off drill bit, and cooling water can so just need be provided with a valve at the drill bit place by drill pipe transmission to the down-hole usually, and control cooling water flow out of.Valve mechanism of the prior art is simple, need carry out low-pressure water and high pressure water when changing automatically when the down-hole, and it is powerless that existing valve then seems.
Summary of the invention
Can't carry out the shortcoming of low-pressure water and the automatic conversion of high pressure water at the above-mentioned valve of mentioning of the prior art, the utility model provides a kind of novel forced induction valve, it utilizes the pressure of water to promote the Sealing motion, and cooperate spring to carry out work, can realize that low-pressure water and high pressure water change automatically.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of forced induction valve, forced induction valve comprises valve body, coupling head, valve pocket, spring housing, spool, push rod and spring, described valve body is hollow shape, be provided with dividing plate in the middle of the valve body, have main water hole and secondary water hole on the dividing plate, the valve body side has first hole for water spraying; Described coupling head also is hollow shape, and coupling head and valve body are fixedly installed togather and form a cavity; Described valve pocket is arranged in the cavity that coupling head and valve body form, and is through hole in the middle of the valve pocket, and the valve pocket side has second hole for water spraying, the corresponding setting of second hole for water spraying with first hole for water spraying, and spool is arranged in the valve pocket, and matches with shape of through holes in the valve pocket; Described spring housing also is arranged in the cavity of coupling head and valve body formation, in the middle of the spring housing is cavity, spring is arranged in the spring housing, the corresponding end place with valve pocket of spring housing is provided with end cap, have the through hole and second water channel on the end cap, through hole cross section on the end cap is less than the cross section of the through hole in the middle of the valve pocket, and the through hole cross section on the end cap is also less than the cross section of the cavity in the middle of the spring housing; Described push rod comprises bar head and the strut that links together, the bar head of push rod is arranged in the spring housing, the strut of push rod is inserted in the through hole on the spring housing end cap, and contact with spool, cavity cross section shape in the bar head shape of cross section of push rod and the spring housing matches, and the strut shape of cross section of push rod and the through hole shape of cross section on the spring housing end cap match; Form first water chamber between described spool and the spring housing end cap, valve pocket has first water channel that is communicated with the secondary water hole and first water chamber, and when spring was extruded, first water channel can be blocked by spool; Form second water chamber between the bar head of described push rod and the spring housing end cap, second water channel is communicated with first water chamber and second water chamber; Form the 3rd water chamber between the bar head of described push rod and the spring housing, have the 3rd water channel that is communicated with second water chamber and the 3rd water chamber on the bar head of push rod; Described spring is arranged in the 3rd water chamber, and promotes the bar head of push rod.
The technological scheme that its technical problem that solves the utility model adopts further comprises:
Described spring housing interior forward end is equipped with regulator bolts, has osculum in the middle of the regulator bolts, and spring one end props up the bar head of push rod, and the other end props up regulator bolts.
Described regulator bolts inside is provided with first limit dais, and spring housing is contained on first limit dais.
Described coupling head side has positioning hole corresponding to the regulator bolts place, is provided with positioning screwn in the positioning hole.
The first hole for water spraying internal fixation in the described valve body outside is equipped with nozzle.
The nose of described push rod is provided with second limit dais, and spring housing is contained on second limit dais.
Have tank in the middle of described second limit dais, second water channel is inclined, is communicated with the tank and first water chamber.
The described valve pocket outside has first seal groove, and first seal groove is respectively arranged with one in both sides before and after second hole for water spraying, one first seal ring is set in each first seal groove.
Have the 4th water chamber corresponding to dividing plate one end on the described valve pocket.
The described valve pocket outside has second seal groove corresponding to spring housing one end, is provided with second seal ring in second seal groove.
The beneficial effects of the utility model are: the utility model is simple in structure, designs ingeniously, and it is by the hydraulic pressure extrusion spring, when hydraulic pressure exceeds spring pressure,, the low pressure water channel is blocked by the water pressure pushing spool, expose the hole of spraying water with high pressure, realize the high pressure side water spray, when hydraulic pressure is lower than spring pressure, pressure by spring is pushed spool open, block by the spool hole of will spraying water with high pressure, expose the low pressure water channel, realize the front end water outlet, thereby can realize the function of height setting-out conversion automatically, extremely easy to use.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the utility model cross-sectional view.
Among the figure, 1-valve body, 2-first seal ring, 3-nozzle, the 4-spool, 5-valve pocket, 6-spring housing, 7-push rod, the 8-spring, 9-coupling head, 10-positioning screwn, 11-regulator bolts, 12-the 4th water chamber, 13-first water channel, 14-second hole for water spraying, 15-first water chamber, 16-second water channel, 17-second water chamber, 18-the 3rd water channel, 19-the 3rd water chamber, 20-osculum, 21-first limit dais, 22-master water hole, the secondary water hole of 23-, 24-first seal groove, 25-first hole for water spraying, 26-second seal groove, 27-second seal ring, 28-tank, 29-second limit dais, 30-bar head, 31-strut, 32-dividing plate.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection domain.
Please referring to accompanying drawing 1, the utility model mainly comprises valve body 1, coupling head 9, valve pocket 5, spring housing 6, spool 4, push rod 7 and spring 8, and valve body 1 and coupling head 9 are installed together, and forms the utility model main body, in the present embodiment, valve body 1 and coupling head 9 are by being threaded togather.In the present embodiment, valve body 1 is hollow shape, is provided with dividing plate 32 (dividing plate 32 is wholely set with valve body 1) in the middle of the valve body 1, has main water hole 22 and secondary water hole 23 on the dividing plate 32, and wherein, main water hole 22 is opened in dividing plate 32 neutral positions.In the present embodiment, valve body 1 rear end has internal thread, is used for being connected with drilling rod.In the present embodiment, valve body 1 side has first hole for water spraying, 25, the first hole for water sprayings, 25 internal fixation nozzle 3 is installed, be used for the high pressure water ejection, and the cutting coal seam, in the present embodiment, valve body 1 side has two first hole for water sprayings 25.In the present embodiment, coupling head 9 also is hollow shape, and coupling head 9 is fixedly installed togather with valve body 1 and forms a cavity, and valve pocket 5 and spring housing 6 are arranged in the cavity.In the present embodiment, valve pocket 5 is hollow cylinder, has columniform through hole in the valve pocket 5, spool 4 is arranged in the valve pocket 5, and in the present embodiment, spool 4 is also cylindrical, the diameter of the cross-sectional diameter of spool 4 and valve pocket 5 inner via holes matches, and spool 4 just can be slided in valve pocket 5.In the present embodiment, valve pocket 5 sides have first hole for water spraying, the 25 corresponding settings on second hole for water spraying, 14, the second hole for water sprayings 14 and the valve body 1, can make water by valve pocket 5 sides second hole for water spraying 14 and be arranged on nozzles 3 ejections in first hole for water spraying 25.In the present embodiment, also be hollow-core construction in the middle of the spring housing 6, spring housing 6 main bodys are cylindrical, and inner through hole is also cylindrical.The end that spring housing 6 is connected with valve pocket 5 is provided with end cap (end cap and spring housing 6 are wholely set), have through hole in the middle of the end cap, the through hole next door has more than one the 3rd water channel 18, in the present embodiment, the through-hole diameter of end caps is less than the diameter of the through hole in the valve pocket 5, also less than the diameter of the through hole in the spring housing 6.Push rod 7 is arranged in the spring housing 6, in the present embodiment, push rod 7 comprises bar head 30 and the strut 31 that links together, the bar head 30 of push rod 7 is arranged in the spring housing 6, the strut 31 of push rod 7 is inserted in the through hole on spring housing 6 end caps, and stretch in the valve pocket 5 and with spool 4 and contact, the shape of cross section of the through hole that bar head 30 shape of cross sections of push rod 7 and spring housing 6 are interior matches, and strut 31 shape of cross sections of push rod 7 and the through hole shape of cross section on spring housing 6 end caps match.In the present embodiment, bar head 30 front ends of push rod 7 are set with second limit dais 29.In the present embodiment, spring housing 6 front end inside are provided with internal thread, spring housing 6 front ends are equipped with regulator bolts 11 by screw thread, position corresponding to regulator bolts 11 on coupling head 9 and the spring housing 6 has screw hole, be provided with positioning screwn 10 in the screw hole, can be by positioning screwn 10 with the fixed-site of spring housing 6 with coupling head 9.In the present embodiment, regulator bolts 11 is provided with first limit dais 21, and spring 8 is arranged in the spring housing 6, and spring 8 one ends are sleeved on first limit dais 21, and spring 8 the other ends are sleeved on second limit dais 29.
In the present embodiment, form first water chamber 15 between the end cap of spool 4 and spring housing 6, valve pocket 5 is hindered first water channel 13 that has the secondary water hole 23 of connection and first water chamber 15; Form second water chamber 17 between the bar head 30 of push rod 7 and spring housing 6 end caps, have second water channel, 16, the second water channels 16 on spring housing 6 end caps and be communicated with first water chamber 15 and second water chamber 17; Form the 3rd water chamber 19 between the bar head 30 of push rod 7 and the spring housing 6, have the 3rd water channel 18 on the bar head 30 of push rod 7, in the present embodiment, second limit dais 29 of bar head 30 is provided with tank 28, tank 28 is communicated with the 3rd water chamber 19, the 3rd water channel 18 is obliquely installed, and the 3rd water channel 18 is communicated with the tank 28 and second water chamber 17; In the present embodiment, also offer a circular groove in valve pocket 5 rear ends, form the 4th water chamber 12 between valve pocket 5 and the valve body 1, the secondary water hole 23 and first water channel 13 are communicated with the 4th water chamber 12 respectively, by the 4th water chamber 12 installation between valve pocket 5 and the valve body 1 are more prone to.
The utility model is installed in it on drilling rod in use, and the utility model front end is installed drill bit, and the utility model is divided into two kinds of high pressure and two kinds of user modes of low pressure.When the utility model is operated in low-pressure state, spring 8 is extended state, at this moment, spool 4 blocks second hole for water spraying 14, exposes first water channel 13, and low-pressure water flows in first water chamber 15 from secondary water hole 23 through first water channel 13, flow in second water chamber 17 through second water channel 16 again, flow in the 3rd water chamber 19 through the 3rd water channel 18 then, flow out through osculum 20 again, drill bit is cooled off; As low pressure when high pressure conditions is changed, high pressure water is not prompt enough when first water channel 13 flows through, and at this moment, high pressure water promotes spool 4 and travels forward, spool 4 promotes push rod 7, push rod 7 extrusion springs 8 make spring 8 compressions, when spool 4 moves to a certain degree, spool 4 blocks first water channel 13, and expose second hole for water spraying 14, and water is sprayed in the side through nozzle 3 from second hole for water spraying 14, realize the purpose in cutting coal seam.
The utility model can be regulated the pressure of the utility model conversion by regulating regulator bolts 11, during adjusting in use, unclamp positioning screwn 10 earlier, then by turn-knob regulator bolts 11, when regulator bolts 11 forward during turn-knob, switching to pressure of the present utility model reduces; When regulator bolts 11 backward during turn-knob, switching to pressure of the present utility model raises.
The utility model is simple in structure, designs ingeniously, and it is by the hydraulic pressure extrusion spring, when hydraulic pressure exceeds spring pressure,, the low pressure water channel is blocked by the water pressure pushing spool, expose the hole of spraying water with high pressure, realize the high pressure side water spray, when hydraulic pressure is lower than spring pressure, pressure by spring is pushed spool open, block by the spool hole of will spraying water with high pressure, expose the low pressure water channel, realize the front end water outlet, thereby can realize the function of height setting-out conversion automatically, extremely easy to use.
Claims (10)
1. forced induction valve, it is characterized in that: described forced induction valve comprises valve body, coupling head, valve pocket, spring housing, spool, push rod and spring,
Described valve body is hollow shape, is provided with dividing plate in the middle of the valve body, has main water hole and secondary water hole on the dividing plate, and the valve body side has first hole for water spraying;
Described coupling head also is hollow shape, and coupling head and valve body are fixedly installed togather and form a cavity;
Described valve pocket is arranged in the cavity that coupling head and valve body form, and is through hole in the middle of the valve pocket, and the valve pocket side has second hole for water spraying, the corresponding setting of second hole for water spraying with first hole for water spraying, and spool is arranged in the valve pocket, and matches with shape of through holes in the valve pocket;
Described spring housing also is arranged in the cavity of coupling head and valve body formation, in the middle of the spring housing is cavity, spring is arranged in the spring housing, the corresponding end place with valve pocket of spring housing is provided with end cap, have the through hole and second water channel on the end cap, through hole cross section on the end cap is less than the cross section of the through hole in the middle of the valve pocket, and the through hole cross section on the end cap is also less than the cross section of the cavity in the middle of the spring housing;
Described push rod comprises bar head and the strut that links together, the bar head of push rod is arranged in the spring housing, the strut of push rod is inserted in the through hole on the spring housing end cap, and contact with spool, cavity cross section shape in the bar head shape of cross section of push rod and the spring housing matches, and the strut shape of cross section of push rod and the through hole shape of cross section on the spring housing end cap match;
Form first water chamber between described spool and the spring housing end cap, valve pocket has first water channel that is communicated with the secondary water hole and first water chamber, and when spring was extruded, first water channel can be blocked by spool;
Form second water chamber between the bar head of described push rod and the spring housing end cap, second water channel is communicated with first water chamber and second water chamber;
Form the 3rd water chamber between the bar head of described push rod and the spring housing, have the 3rd water channel that is communicated with second water chamber and the 3rd water chamber on the bar head of push rod;
Described spring is arranged in the 3rd water chamber, and promotes the bar head of push rod.
2. forced induction valve according to claim 1 is characterized in that: described spring housing interior forward end is equipped with regulator bolts, has osculum in the middle of the regulator bolts, and spring one end props up the bar head of push rod, and the other end props up regulator bolts.
3. forced induction valve according to claim 2 is characterized in that: described regulator bolts inside is provided with first limit dais, and spring housing is contained on first limit dais.
4. according to claim 2 or 3 described forced induction valves, it is characterized in that: described coupling head side has positioning hole corresponding to the regulator bolts place, is provided with positioning screwn in the positioning hole.
5. forced induction valve according to claim 1 is characterized in that: the first hole for water spraying internal fixation in the described valve body outside is equipped with nozzle.
6. forced induction valve according to claim 1 is characterized in that: the nose of described push rod is provided with second limit dais, and spring housing is contained on second limit dais.
7. forced induction valve according to claim 6 is characterized in that: have tank in the middle of described second limit dais, second water channel is inclined, is communicated with the tank and first water chamber.
8. forced induction valve according to claim 1 is characterized in that: the described valve pocket outside has first seal groove, and first seal groove is respectively arranged with one in both sides before and after second hole for water spraying, one first seal ring is set in each first seal groove.
9. forced induction valve according to claim 1 is characterized in that: have the 4th water chamber corresponding to dividing plate one end on the described valve pocket.
10. forced induction valve according to claim 1 is characterized in that: the described valve pocket outside has second seal groove corresponding to spring housing one end, is provided with second seal ring in second seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206068823U CN201884715U (en) | 2010-11-15 | 2010-11-15 | Pressure sensitive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206068823U CN201884715U (en) | 2010-11-15 | 2010-11-15 | Pressure sensitive valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884715U true CN201884715U (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206068823U Expired - Fee Related CN201884715U (en) | 2010-11-15 | 2010-11-15 | Pressure sensitive valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465684A (en) * | 2010-11-15 | 2012-05-23 | 湖南汉寿中煤科技有限公司 | Pressure induction valve |
| CN106002294A (en) * | 2016-06-13 | 2016-10-12 | 莆田市宏业精密机械有限公司 | Full automatic production line of high-pressure common rail control valve assembly |
| CN107829723A (en) * | 2017-12-05 | 2018-03-23 | 山东科技大学 | Rock body quality of mine Mining failure scope integral type detecting devices and detection method |
| CN113464080A (en) * | 2021-08-11 | 2021-10-01 | 晋能控股装备制造集团有限公司寺河煤矿 | Method and device for coal seam drilling and coring while drilling |
-
2010
- 2010-11-15 CN CN2010206068823U patent/CN201884715U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465684A (en) * | 2010-11-15 | 2012-05-23 | 湖南汉寿中煤科技有限公司 | Pressure induction valve |
| CN106002294A (en) * | 2016-06-13 | 2016-10-12 | 莆田市宏业精密机械有限公司 | Full automatic production line of high-pressure common rail control valve assembly |
| CN106002294B (en) * | 2016-06-13 | 2018-01-09 | 莆田市宏业精密机械有限公司 | High-pressure common rail control valve group automatic production line |
| CN107829723A (en) * | 2017-12-05 | 2018-03-23 | 山东科技大学 | Rock body quality of mine Mining failure scope integral type detecting devices and detection method |
| CN107829723B (en) * | 2017-12-05 | 2022-03-15 | 山东科技大学 | Mine rock mass mining damage range integrated detection equipment and detection method |
| CN113464080A (en) * | 2021-08-11 | 2021-10-01 | 晋能控股装备制造集团有限公司寺河煤矿 | Method and device for coal seam drilling and coring while drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20161115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |