CN212536726U - Valve for hydraulic oscillator - Google Patents
Valve for hydraulic oscillator Download PDFInfo
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- CN212536726U CN212536726U CN202021405238.XU CN202021405238U CN212536726U CN 212536726 U CN212536726 U CN 212536726U CN 202021405238 U CN202021405238 U CN 202021405238U CN 212536726 U CN212536726 U CN 212536726U
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- circular
- valve plate
- movable valve
- fixed valve
- circular portion
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Abstract
The utility model discloses a valve for a hydraulic oscillator, which comprises a movable valve seat, a fixed valve seat, a movable valve block and a fixed valve block, wherein the fixed valve seat comprises a first circular ring part and a second circular ring part, the second circular ring part is positioned at the lower end of the first circular ring part, the fixed valve block is disc-shaped, the diameter of the fixed valve block is the same as the inner diameter of the first circular ring part, the fixed valve block is arranged in the first circular ring part through bolt fixation, and the thickness of the fixed valve block is greater than the height of the first circular ring part; the movable valve seat comprises a third circular part and a fourth circular part, the movable valve seat further comprises a threaded pipe part and connecting claw parts, the threaded pipe part is arranged above the fourth circular part and is connected with the third circular part or the fourth circular part through at least three connecting claw parts, the threaded pipe part and the third circular part are arranged on the same central axis, and all the connecting claw parts are uniformly arranged along the circumferential direction of the threaded pipe part; the utility model provides a change that current valve for the hydraulic vibrator exists move the inconvenient problem of valve block and fixed valve block.
Description
Technical Field
The utility model relates to a hydraulic oscillator field specifically is a valve for hydraulic oscillator.
Background
The hydraulic oscillator is a novel downhole tool, and improves the effectiveness of weight-on-bit transmission during drilling and reduces the frictional resistance between the hydraulic oscillator and a borehole through self-generated longitudinal vibration. The hydraulic oscillator mainly comprises a power short section, a disc valve and an oscillation short section, wherein the disc valve comprises a movable valve seat, a movable valve plate, a fixed valve seat and a fixed valve plate, the movable valve seat is connected with a rotor, the rotor is driven by high-pressure liquid in a drill rod to rotate and revolve around the center of the stator to form eccentric compound rotation, the rotor drives the movable valve seat to perform eccentric compound rotation, and the movable valve seat drives the movable valve plate to tightly cling to the fixed valve plate on the fixed valve seat to rotate. The movable valve plate and the fixed valve plate are provided with non-circular eyelets such as fan-shaped, oval, triangular and spline-shaped eyelets, and in the process of periodic rotation of the movable valve plate, the overlapping area of the eyelets on the movable valve plate and the fixed valve plate is periodically changed, so that the area of a high-pressure liquid flow passing through the eyelets of the movable valve plate and the fixed valve plate is periodically changed, and therefore hydraulic oscillation force is generated.
Therefore, in the operation process of the hydraulic oscillator, the movable valve plate and the fixed valve plate continuously rub against each other, and the movable valve plate and the fixed valve plate need to be replaced after the hydraulic oscillator operates for a period of time.
Disclosure of Invention
An object of the utility model is to provide a valve for hydraulic oscillator aims at improving the inconvenient problem of change movable valve piece and fixed valve piece that current valve for hydraulic oscillator exists.
The utility model discloses a realize like this: a valve for a hydraulic oscillator comprises a movable valve seat, a fixed valve seat, a movable valve plate and a fixed valve plate, wherein the movable valve plate and the fixed valve plate are identical in structure, the lower end face of the movable valve plate is attached to the upper end face of the fixed valve plate, the fixed valve seat comprises a first circular ring part and a second circular ring part, the first circular ring part and the second circular ring part are arranged in a common central axis mode, the second circular ring part is located at the lower end of the first circular ring part, and the inner diameter of the second circular ring part is smaller than that of the first circular ring part; the fixed valve plate is disc-shaped, the diameter of the fixed valve plate is the same as the inner diameter of the first circular ring part, the fixed valve plate is fixedly arranged in the first circular ring part through bolts, and the thickness of the fixed valve plate is larger than the height of the first circular ring part; the movable valve seat comprises a third circular part and a fourth circular part, the third circular part and the fourth circular part are arranged on the same central axis, the fourth circular part is positioned at the upper end of the third circular part, and the inner diameter of the fourth circular part is smaller than that of the third circular part; the diameter of the movable valve plate is the same as the inner diameter of the third circular ring part, the movable valve plate is fixedly arranged in the third circular ring part through a bolt, and the thickness of the movable valve plate is larger than the height of the third circular ring part; move the disk seat and still include screw-thread tube portion and connecting claw portion, screw-thread tube portion sets up in the top of fourth ring portion, and links to each other with third ring portion or fourth ring portion through at least three connecting claw portion, screw-thread tube portion and the setting of third ring portion common central axis, each connecting claw portion evenly sets up along the circumferencial direction of screw-thread tube portion.
Furthermore, a plurality of first threaded holes are uniformly formed in the second circular ring portion in the circumferential direction, the first threaded holes are located in the range of the inner hole of the first circular ring portion, a first stepped threaded hole is formed in the position, corresponding to each first threaded hole, of the fixed valve block, and the fixed valve block is fixedly connected with the second circular ring portion through an inner hexagon bolt.
Furthermore, be provided with first locating lug portion on the inner wall of first ring portion, the outer end of fixed valve piece is provided with the first locating groove with first locating lug portion looks adaptation, works as each first screw hole and each first step screw hole one-to-one when first locating lug portion card is gone into in the first locating groove.
Furthermore, a plurality of second threaded holes are uniformly formed in the fourth circular ring portion in the circumferential direction, each second threaded hole is located in the range of the inner hole of the third circular ring portion, a second stepped threaded hole is formed in the position, corresponding to each second threaded hole, of the movable valve plate, and the movable valve plate is fixedly connected with the fourth circular ring portion through an inner hexagonal bolt.
Furthermore, be provided with second location lug portion on the inner wall of third ring portion, the outer end of movable valve piece is provided with the second constant head tank with second location lug portion looks adaptation, works as each second screw hole and each second ladder screw hole one-to-one when second location lug portion card is gone into in the second constant head tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a change that current valve for the hydraulic vibrator exists move the inconvenient problem of valve block and fixed valve block
2. Be provided with first locating lug portion on the inner wall of first ring portion, the outer end of fixed valve piece is provided with the first locating slot with first locating lug portion looks adaptation, and each first screw hole and each first step screw hole one-to-one when first locating lug portion card is gone into in the first locating slot have made things convenient for the installation of fixed valve piece through the setting of first locating lug portion and first locating slot.
3. Be provided with second location lug portion on the inner wall of third ring portion, the outer end of moving the valve block is provided with the second constant head tank with second location lug looks adaptation, and each second screw hole and each second step screw hole one-to-one when second location lug portion card is gone into in the second constant head tank have made things convenient for the installation of moving the valve block through the setting of second location lug portion and second constant head tank.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a valve for a hydraulic oscillator according to the present invention;
fig. 2 is a front view of a valve for a hydroscillator according to the present invention;
fig. 3 is a schematic perspective view of a movable valve seat of a valve for a hydraulic oscillator according to the present invention at an oblique depression angle;
fig. 4 is a schematic perspective view of a movable valve seat of a valve for a hydraulic oscillator according to the present invention at an oblique elevation angle;
fig. 5 is a schematic perspective view of a valve seat of a valve for a hydraulic oscillator according to the present invention;
fig. 6 is a plan view of the fixed valve plate of the valve for the hydraulic oscillator of the present invention.
In the figure: 1. a movable valve seat; 101. a third circular part; 102. a fourth circular part; 103. a threaded tubular portion; 104. a connecting claw portion; 105. a second threaded hole; 106. a second positioning projection part; 2. a valve seat is fixed; 201. a first circular ring portion; 202. a second circular portion; 203. a first threaded hole; 204. a first positioning projection part; 3. a fixed valve plate; 301. a first stepped threaded bore; 302. a first positioning groove; 303. an eyelet.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, in an embodiment of the present invention, a valve for a hydraulic oscillator, includes movable valve seat 1, fixed valve seat 2, movable valve plate and fixed valve plate 3, the fixed valve plate 3 is provided with eyelet 303, the movable valve plate is the same with the fixed valve plate 3, the lower end face of the movable valve plate is laminated with the upper end face of the fixed valve plate 3, fixed valve seat 2 includes first circular portion 201 and second circular portion 202, first circular portion 201 and second circular portion 202 are the same central axis and set up, second circular portion 202 is located the lower extreme of first circular portion 201, and the internal diameter of second circular portion 202 is less than the internal diameter of first circular portion 201.
Fixed valve block 3 is discoid, the diameter of fixed valve block 3 is the same with the internal diameter of first ring portion 201, and the thickness of fixed valve block 3 is greater than the height of first ring portion 201, evenly be provided with a plurality of first screw holes 203 along its circumferencial direction on the second ring portion 202, and each first screw hole 203 all is located the within range of first ring portion 201 hole, the position that corresponds to each first screw hole 203 on the fixed valve block 3 respectively is provided with a first step screw hole 301, fixed valve block 3 links to each other through hexagon socket head cap screw is fixed with second ring portion 202, hexagon head cap screw's head is arranged in first step screw hole 301, can not influence the contact between fixed valve block 3 and the movable valve block.
The movable valve seat 1 comprises a third circular part 101 and a fourth circular part 102, the third circular part 101 and the fourth circular part 102 are arranged on the same central axis, the fourth circular part 102 is positioned at the upper end of the third circular part 101, and the inner diameter of the fourth circular part 102 is smaller than that of the third circular part 101; the diameter of movable valve piece is the same with the internal diameter of third ring portion 101, and the thickness of movable valve piece is greater than the height of third ring portion 101, evenly be provided with a plurality of second screw holes 105 along its circumferencial direction on the fourth ring portion 102, and each second screw hole 105 all is located the within range of third ring portion 101 hole, the position that corresponds to each second screw hole 105 on the movable valve piece respectively is provided with a second ladder screw hole, movable valve piece links to each other through hexagon socket head cap screw is fixed with fourth ring portion 102, hexagon head cap screw's head is arranged in second ladder screw hole, can not influence the contact between fixed valve piece 3 and the movable valve piece.
Move valve seat 1 and still include threaded tube portion 103 and connection claw portion 104, threaded tube portion 103 sets up in the top of fourth ring portion 102, and link to each other with third ring portion 101 or fourth ring portion 102 through at least three connection claw portion 104, threaded tube portion 103 and the setting of the coaxial line of third ring portion 101, each connection claw portion 104 evenly sets up along the circumferencial direction of threaded tube portion 103, threaded tube portion 103 links to each other with the lower extreme of rotor, then the rotor is in the same place with moving valve seat 1 fixed connection, can drive and move valve seat 1 and move.
The utility model discloses change movable valve piece and fixed valve piece 3's theory of operation: when the movable valve plate is replaced, the inner hexagonal bolt for connecting the movable valve plate and the fourth circular ring part 102 is removed by using an inner hexagonal wrench, the old movable valve plate can be taken out of the third circular ring part 101, and a new movable valve plate is placed in the third circular ring part 101 and then connected with the fourth circular ring part 102 by using the inner hexagonal wrench; the fixed valve plate 3 can be conveniently replaced in the same way. Therefore, the utility model provides a change movable valve piece and the inconvenient problem of fixed valve piece that current valve for hydraulic vibrator exists
Referring to fig. 5 and 6, in the embodiment of the present invention, the inner wall of the first circular ring portion 201 is provided with a first positioning protrusion 204, the outer end of the positioning plate 3 is provided with a first positioning groove 302 adapted to the first positioning protrusion 204, when the first positioning protrusion 204 is inserted into the first positioning groove 302, each first threaded hole 203 corresponds to each first stepped threaded hole 301 one to one, and the positioning plate 3 is conveniently mounted through the first positioning protrusion 204 and the first positioning groove 302.
Referring to fig. 3 and 4, in the embodiment of the present invention, the inner wall of the third circular portion 101 is provided with a second positioning protrusion 106, the outer end of the movable valve plate is provided with a second positioning groove adapted to the second positioning protrusion 106, when the second positioning protrusion 106 is inserted into the second positioning groove, each second threaded hole 105 corresponds to each second stepped threaded hole one-to-one, and the installation of the movable valve plate is facilitated by the second positioning protrusion 106 and the second positioning groove.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A valve for a hydraulic oscillator comprises a movable valve seat (1), a fixed valve seat (2), a movable valve plate and a fixed valve plate (3), wherein the movable valve plate and the fixed valve plate (3) are identical in structure, and the lower end face of the movable valve plate is attached to the upper end face of the fixed valve plate (3), and the valve is characterized in that the fixed valve seat (2) comprises a first circular portion (201) and a second circular portion (202), the first circular portion (201) and the second circular portion (202) are arranged in a common central axis mode, the second circular portion (202) is located at the lower end of the first circular portion (201), and the inner diameter of the second circular portion (202) is smaller than the inner diameter of the first circular portion (201); the fixed valve plate (3) is disc-shaped, the diameter of the fixed valve plate (3) is the same as the inner diameter of the first circular part (201), the fixed valve plate (3) is fixedly arranged in the first circular part (201) through a bolt, and the thickness of the fixed valve plate (3) is larger than the height of the first circular part (201); the movable valve seat (1) comprises a third circular part (101) and a fourth circular part (102), the third circular part (101) and the fourth circular part (102) are arranged in a coaxial mode, the fourth circular part (102) is located at the upper end of the third circular part (101), and the inner diameter of the fourth circular part (102) is smaller than that of the third circular part (101); the diameter of the movable valve plate is the same as the inner diameter of the third circular part (101), the movable valve plate is fixedly arranged in the third circular part (101) through bolts, and the thickness of the movable valve plate is larger than the height of the third circular part (101); the movable valve seat (1) further comprises a threaded pipe part (103) and connecting claw parts (104), the threaded pipe part (103) is arranged above the fourth circular part (102) and is connected with the third circular part (101) or the fourth circular part (102) through at least three connecting claw parts (104), the threaded pipe part (103) and the third circular part (101) are arranged in a concentric central axis mode, and the connecting claw parts (104) are evenly arranged along the circumferential direction of the threaded pipe part (103).
2. The valve for the hydraulic oscillator according to claim 1, wherein the second circular portion (202) is uniformly provided with a plurality of first threaded holes (203) along a circumferential direction thereof, each first threaded hole (203) is located within a range of an inner hole of the first circular portion (201), a first stepped threaded hole (301) is respectively arranged on the fixed valve plate (3) corresponding to each first threaded hole (203), and the fixed valve plate (3) is fixedly connected with the second circular portion (202) through an inner hexagonal bolt.
3. The valve for the hydraulic oscillator according to claim 2, wherein a first positioning lug part (204) is arranged on the inner wall of the first circular ring part (201), a first positioning groove (302) matched with the first positioning lug part (204) is arranged at the outer end of the positioning plate (3), and when the first positioning lug part (204) is clamped into the first positioning groove (302), each first threaded hole (203) corresponds to each first stepped threaded hole (301) one by one.
4. The valve for the hydraulic oscillator according to claim 3, wherein a plurality of second threaded holes (105) are uniformly formed in the fourth circular portion (102) along the circumferential direction of the fourth circular portion, each second threaded hole (105) is located in the range of the inner hole of the third circular portion (101), a second stepped threaded hole is formed in the movable valve plate corresponding to each second threaded hole (105), and the movable valve plate is fixedly connected with the fourth circular portion (102) through an inner hexagonal bolt.
5. The valve for the hydraulic oscillator according to claim 4, wherein a second positioning lug part (106) is arranged on the inner wall of the third circular ring part (101), a second positioning groove matched with the second positioning lug part (106) is arranged at the outer end of the movable valve plate, and when the second positioning lug part (106) is clamped into the second positioning groove, each second threaded hole (105) corresponds to each second stepped threaded hole one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405238.XU CN212536726U (en) | 2020-07-16 | 2020-07-16 | Valve for hydraulic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405238.XU CN212536726U (en) | 2020-07-16 | 2020-07-16 | Valve for hydraulic oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536726U true CN212536726U (en) | 2021-02-12 |
Family
ID=74517895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021405238.XU Active CN212536726U (en) | 2020-07-16 | 2020-07-16 | Valve for hydraulic oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536726U (en) |
-
2020
- 2020-07-16 CN CN202021405238.XU patent/CN212536726U/en active Active
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