CN215928432U - Gate valve sealing structure suitable for particle impact drilling - Google Patents
Gate valve sealing structure suitable for particle impact drilling Download PDFInfo
- Publication number
- CN215928432U CN215928432U CN202121565168.9U CN202121565168U CN215928432U CN 215928432 U CN215928432 U CN 215928432U CN 202121565168 U CN202121565168 U CN 202121565168U CN 215928432 U CN215928432 U CN 215928432U
- Authority
- CN
- China
- Prior art keywords
- gate
- gate valve
- plate
- structure suitable
- sealing structure
- 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.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a gate valve sealing structure suitable for particle impact drilling, which comprises a gate seat, a gate plate and a protective plate, wherein the gate seat can be attached to the gate plate, and the gate plate can move to a position where the protective plate can be attached to the outer surface of the gate plate. The utility model solves the defect that the gate valve can not be closed due to the fact that particles or impurities enter a gate valve cavity through a channel formed by a gate plate hole and a valve body and accumulate blocks in the closing process of the gate valve in the prior art.
Description
Technical Field
The utility model relates to the technical field of oil and gas drilling engineering, in particular to a gate valve sealing structure suitable for particle impact drilling.
Background
The Particle Impact Drilling (PID) technology belongs to a novel front-edge drilling technology in the petroleum exploration industry, and mainly utilizes steel ball particles with the diameter of 1-3 mm to carry out high-speed and high-frequency impact on rocks, and the rocks are quickly crushed by means of instant acting force, so that efficient drilling in hard and difficult-to-drill stratums is realized.
Due to the addition of particles, the problems of blocking, particle accumulation, agglomeration and the like of a valve of a wellhead device often occur, and how to improve the stability and the service life of a wellhead control unit of the particle impact drilling technology is a great problem in the development of the technology. In the gate valve structure, the following aspects are often embodied: under the drilling fluid operating mode that contains particle or high rigidity tiny particle impurity, the gate valve is closed in-process, and particle or impurity get into the gate valve cavity through the passageway that gate plate hole and valve body formed and pile up the amass piece and cause the gate valve can't close.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a gate valve sealing structure suitable for particle impact drilling, and solves the defect that in the prior art, particles or impurities enter a gate valve cavity through a channel formed by a gate plate hole and a valve body to accumulate blocks to cause the gate valve to be incapable of being closed in the closing process of the gate valve.
The technical scheme adopted by the utility model for solving the problems is as follows:
the utility model provides a gate valve seal structure suitable for particle percussion drilling, includes floodgate seat, flashboard, backplate, the floodgate seat can with the flashboard laminating, the flashboard can move to the position that makes the backplate can laminate in the flashboard surface.
In the closing process of the gate valve, the gate plate is squeezed into the cavity formed by the protective plates, the protective plates are always attached to the outer surface of the gate plate to form sealing, particles or impurities cannot enter the gate valve cavity between the gate plate and the valve body, and the situation that the gate valve cannot be closed due to the fact that the particles or the impurities are accumulated into blocks is avoided. Compared with the prior art that only the brake seat and the brake plate can be used for sealing, the sealing surface is increased, and the sealing is tighter.
As a preferred technical scheme, the safety protection device further comprises a first spring and a first fixing piece, wherein two ends of the first spring are respectively connected with the protection plate and the first fixing piece.
First mounting is fixed with the one end of first spring, and the other end and the backplate of first spring are connected, and first spring provides the pretightning force to guarantee that the gate valve closes the position that the in-process backplate closely laminated in the flashboard surface all the time, further improved sealed effect.
As a preferable technical solution, the first fixing member is disposed outside a surface of the guard plate away from the outer surface of the shutter.
Such setting is favorable to preventing that first mounting from causing the interference to the backplate laminating in the flashboard, also easy to assemble.
As a preferred technical scheme, the brake device further comprises a second spring and a second fixing piece, wherein two ends of the second spring are respectively connected with the brake seat and the second fixing piece.
The one end of second spring is fixed to the second mounting, and the other end of second spring provides the pretightning force to guarantee that the floodgate seat does not take place the skew, in order to guarantee the sealed effect of floodgate seat and valve body.
As a preferable technical solution, the first fixing member is fixedly connected to the brake shoe.
By the arrangement, a first fixing piece does not need to be additionally arranged independently, so that the space is saved; moreover, the brake block has better position fixing performance, and the position fixing of the first fixing piece can be further ensured.
As a preferable technical solution, the first fixing member is plate-shaped.
The plate-shaped structure is convenient to manufacture and install, and is also convenient to be fixedly connected with the brake seat.
As a preferable technical scheme, the outer surface of the brake seat is provided with a sealing element.
The sealing element further ensures the sealing between the brake block and other components, so that the sealing effect is further increased.
As a preferred technical solution, the sealing member is a sealing ring.
The sealing ring has simple structure, convenient use and maintenance and can automatically improve the sealing performance along with the increase of pressure.
Preferably, a valve rod is connected to the gate.
The valve rod is convenient for connecting actuating mechanisms such as a handle, and is convenient for driving the flashboard to realize the opening and closing or adjusting function of the gate valve.
As a preferred technical solution, the gate is connected with a guide rod.
The guide rod facilitates further prevention of the deviation of the shutter.
Compared with the prior art, the utility model has the following beneficial effects:
(1) in the closing process of the gate valve, the gate plate is squeezed into the cavity formed by the protective plates, so that the protective plates are always attached to the outer surface of the gate plate to form sealing, particles or impurities cannot enter the gate valve cavity between the gate plate and the valve body, and the situation that the gate valve cannot be closed due to accumulation of the particles or the impurities is avoided; compared with the prior art which only can be sealed by a brake seat and a brake plate, the sealing surface is increased, and the sealing is tighter;
(2) according to the utility model, one end of the first spring is fixed by the first fixing piece, the other end of the first spring is connected with the protection plate, and the first spring provides a pretightening force, so that the protection plate is always tightly attached to the outer surface of the gate plate in the closing process of the gate valve, and the sealing effect is further improved;
(3) the utility model is beneficial to preventing the first fixing piece from interfering the guard plate from being attached to the flashboard and is convenient to install;
(4) according to the utility model, one end of the second spring is fixed by the second fixing piece, and the other end of the second spring provides pretightening force, so that the brake seat is ensured not to deviate, and the sealing effect of the brake seat and the valve body is ensured;
(5) according to the utility model, a first fixing piece is mounted without independently increasing a part, so that the space is saved; moreover, the brake seat has better position fixity, and can further ensure the position fixing of the first fixing piece;
(6) the first fixing piece is plate-shaped, and the plate-shaped structure is convenient to manufacture and install and is also convenient to fixedly connect with the brake seat;
(7) the sealing element is arranged on the outer surface of the brake seat, so that the sealing between the brake seat and other parts is further ensured by the sealing element, and the sealing effect is further improved;
(8) the sealing ring has a simple structure, is convenient to use and maintain, and can automatically improve the sealing performance along with the increase of pressure;
(9) the valve rod is convenient to connect with actuating mechanisms such as a handle and the like, and is convenient to drive the flashboard to realize the opening and closing or adjusting functions of the gate valve;
(10) the guide bar of the present invention facilitates further prevention of the deviation of the shutter.
Drawings
FIG. 1 is a schematic view of the present invention (gate valve open state);
FIG. 2 is a second schematic structural view (gate valve closed state) of the present invention;
FIG. 3 is a third schematic view of the present invention (the gate valve is in a half-open state);
fig. 4 is a partially enlarged view of the region S of fig. 2.
Reference numbers and corresponding part names in the drawings: 1. the gate valve comprises a valve body, 2, a gate seat, 3, a gate plate, 4, a protective plate, 5, a sealing piece, 6, a valve rod, 7, a guide rod, 8, a gate valve cavity, 21, a second spring, 22, a second fixing piece, 41, a first spring, 42 and a first fixing piece.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
As shown in fig. 1 to 4, a gate valve sealing structure suitable for particle impact drilling comprises a gate base 2, a gate plate 3 and a protection plate 4, wherein the gate base 2 can be attached to the gate plate 3, and the gate plate 3 can move to a position where the protection plate 4 can be attached to the outer surface of the gate plate 3.
In the closing process of the gate valve, the gate plate 3 is squeezed into a cavity formed by the protection plates 4, (preferably, the protection plates 4 are two), so that the protection plates 4 are always attached to the outer surface of the gate plate 3 to form sealing, particles or impurities cannot enter the gate valve cavity 8 between the gate plate 3 and the valve body 1, and the situation that the gate valve cannot be closed due to the fact that accumulated particles or impurities are accumulated is avoided. Compared with the prior art that only the brake seat 2 and the brake plate 3 can seal, the sealing surface is increased, and the sealing is tighter.
As a preferable technical solution, the protection plate further comprises a first spring 41 and a first fixing member 42, and both ends of the first spring 41 are connected to the protection plate 4 and the first fixing member 42, respectively.
As a preferable technical solution, the first fixing member 42 is provided outside a surface of the guard plate 4 away from the outer surface of the shutter 3.
Due to the arrangement, the first fixing piece 42 is beneficial to preventing the guard plate 4 from being attached to the flashboard 3 to cause interference, and the installation is convenient.
As a preferable technical solution, the brake device further comprises a second spring 21 and a second fixing member 22, and two ends of the second spring 21 are respectively connected with the brake base 2 and the second fixing member 22.
The second fixing part 22 fixes one end of the second spring 21, and the other end of the second spring 21 provides a pretightening force, so that the brake seat 2 is ensured not to deviate, and the sealing effect of the brake seat 2 and the valve body 1 is ensured.
As a preferred technical solution, the first fixing member 42 is fixedly connected to the brake shoe 2.
With the arrangement, the first fixing piece 42 does not need to be installed by adding parts separately, so that the space is saved; moreover, the brake shoe 2 has good position fixing performance, and the position fixing of the first fixing member 42 can be further ensured.
In a preferred embodiment, the first fixing member 42 is plate-shaped.
The plate-shaped structure is convenient to manufacture and install, and is also convenient to be fixedly connected with the brake seat 2. Preferably, the first fixing member 42 is vertically installed on the surface of the gate base 2.
As a preferable technical scheme, the outer surface of the brake seat 2 is provided with a sealing piece 5.
The seal 5 further ensures the seal between the brake shoe 2 and the other components, so that the sealing effect is further increased. In actual use, the seal 5 may be provided between the brake shoe 2 and the valve body 1 or the like.
As a preferred technical solution, the sealing member 5 is a sealing ring.
The sealing ring has simple structure, convenient use and maintenance and can automatically improve the sealing performance along with the increase of pressure.
Example 2
As shown in fig. 1 to 4, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, this embodiment further includes the following technical features:
as a preferred technical solution, a valve rod 6 is connected to the shutter 3.
The valve rod 6 is convenient for connecting actuating mechanisms such as a handle and the like, and is convenient for driving the flashboard 3 to realize the opening and closing or adjusting function of the gate valve.
As a preferred solution, a guide rod 7 is connected to the shutter 3.
The guide rods 7 facilitate further prevention of the deviation of the shutter 3.
As described above, the present invention can be preferably realized.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a gate valve seal structure suitable for particle percussion drilling, its characterized in that, includes floodgate seat (2), flashboard (3), backplate (4), floodgate seat (2) can with flashboard (3) laminating, flashboard (3) can move to the position that makes backplate (4) can laminate in flashboard (3) surface.
2. The gate valve sealing structure suitable for particle impact drilling according to claim 1, further comprising a first spring (41) and a first fixing member (42), wherein both ends of the first spring (41) are respectively connected with the guard plate (4) and the first fixing member (42).
3. The gate valve sealing structure for particle impact drilling according to claim 2, wherein the first fixing member (42) is provided outside a face of the protector plate (4) away from the outer surface of the shutter plate (3).
4. The gate valve sealing structure suitable for particle impact drilling is characterized by further comprising a second spring (21) and a second fixing piece (22), wherein two ends of the second spring (21) are respectively connected with the gate seat (2) and the second fixing piece (22).
5. A gate valve sealing structure suitable for particle percussion drilling according to claim 4, characterized in that the first fixing piece (42) is fixedly connected with the gate base (2).
6. The gate valve sealing structure suitable for particle percussion drilling according to claim 5, wherein the first fixing member (42) is plate-shaped.
7. A gate valve sealing structure suitable for particle percussion drilling according to claim 6, characterized in that the gate seat (2) is provided with a sealing member (5) on its outer surface.
8. A gate valve sealing structure suitable for particle percussion drilling according to claim 7, characterized in that the sealing element (5) is a sealing ring.
9. A gate valve sealing structure suitable for particle percussion drilling according to any of claims 1 to 8, characterized in that a valve stem (6) is connected to the gate plate (3).
10. Gate valve sealing structure suitable for particle percussion drilling according to claim 9, characterized in that a guide rod (7) is connected to the shutter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565168.9U CN215928432U (en) | 2021-07-09 | 2021-07-09 | Gate valve sealing structure suitable for particle impact drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565168.9U CN215928432U (en) | 2021-07-09 | 2021-07-09 | Gate valve sealing structure suitable for particle impact drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928432U true CN215928432U (en) | 2022-03-01 |
Family
ID=80400501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121565168.9U Active CN215928432U (en) | 2021-07-09 | 2021-07-09 | Gate valve sealing structure suitable for particle impact drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928432U (en) |
-
2021
- 2021-07-09 CN CN202121565168.9U patent/CN215928432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100044611A1 (en) | System, method and apparatus for split gate valve with mechanically isolated seal surfaces | |
| CN106704618B (en) | High-performance gate valve | |
| CN215928432U (en) | Gate valve sealing structure suitable for particle impact drilling | |
| CN109027274B (en) | Bimetal seal elastic anti-scouring structure and stop valve thereof | |
| CN100470103C (en) | Forced sealing control valve | |
| KR101134995B1 (en) | Seat construction for high pressure and bi-directional bonneted knife gate valve | |
| CN101915319B (en) | Parallel double-supporting plate gate valve | |
| CN210196615U (en) | Stable form solenoid valve | |
| CN210716044U (en) | Electric gate valve for high-pressure gas pipeline | |
| CN210770333U (en) | Sand prevention gate valve | |
| CN211550588U (en) | Dustproof forged steel gate valve | |
| CN107461509A (en) | A kind of high reliability elastic soft sealing gate valve | |
| CN211315121U (en) | Lifting check valve with auxiliary positioning mechanism | |
| CN203604686U (en) | Plunger type throttle valve | |
| KR100771132B1 (en) | Bonneted type double knife gate valve | |
| CN219888023U (en) | Sand prevention gate valve for fracturing wellhead | |
| CN108692049B (en) | Antifriction plate valve | |
| KR200387304Y1 (en) | Bonneted type double knife gate valve | |
| CN111237493A (en) | Effectively reduce slide valve of wearing and tearing | |
| CN205226515U (en) | Guide's balanced type cage type adjusting valve valve clack structure | |
| CN216279480U (en) | Shear valve capable of preventing valve seat from deflecting and flashboard thereof | |
| CN2360684Y (en) | Prefiltering double sealed sub-discharing valve | |
| CN203477376U (en) | Gate valve | |
| CN210218804U (en) | Flow-guiding damping slow-closing check valve | |
| CN219911986U (en) | NiCrMo alloy valve core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |