CN221003937U - One-way check grouting valve - Google Patents
One-way check grouting valve Download PDFInfo
- Publication number
- CN221003937U CN221003937U CN202322666504.4U CN202322666504U CN221003937U CN 221003937 U CN221003937 U CN 221003937U CN 202322666504 U CN202322666504 U CN 202322666504U CN 221003937 U CN221003937 U CN 221003937U
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- China
- Prior art keywords
- radial
- elastic rubber
- rubber head
- way check
- stereoplasm
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 3
- 239000002002 slurry Substances 0.000 description 28
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000005086 pumping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a one-way check grouting valve, includes valve body, radial fastening rod, elastic rubber head, the stifled piece of stereoplasm, be equipped with the cylindricality in the valve body and lead to the chamber, the cylindricality is led to the both ends in chamber and is equipped with intercommunication inlet and outlet respectively, the outlet is equipped with the outer inclined plane portion of the annular of the stifled piece of adaptation stereoplasm, the cylindricality is led to the chamber and is close to outlet one side and be equipped with radial through-hole, radial through-hole sealing fixed connection radial fastening rod, radial fastening rod passes the radial connector of elastic rubber head one end, the other end of elastic rubber head is equipped with outer separation blade, the outer separation blade constitutes the screens cooperation with the outer terminal surface of the stifled piece of stereoplasm, elastic rubber head produces the elasticity restoring force that makes it hug closely annular outer inclined plane portion to the stifled piece of stereoplasm.
Description
Technical Field
The utility model relates to the field of grouting valves, in particular to a one-way check grouting valve.
Background
And (3) pumping and jacking concrete in the steel pipe column, namely, opening a hole slightly larger than a conveying pipe on the lower column wall of the steel column, connecting an outlet of a concrete conveying pump with the hole by the conveying pipe, and continuously injecting the concrete into the steel column by the conveying pipe by pumping until the concrete is filled in the column. The grouting valve is needed for the pumping jacking construction of concrete in the steel pipe column, the pump pipe and the steel pipe concrete column are welded on site by the traditional grouting valve, however, the quality of a welding seam is difficult to control and easy to leak slurry, the grouting process is influenced, the pump pipe is needed to be cut after grouting is finished, the disassembly is inconvenient, and the welding seam around a grouting opening is needed to be polished and leveled after cutting, so that the construction process is very complicated, and the turnover loss is large
CN202020742663.1 discloses a grouting valve for concrete filled steel tubular column, comprising a steel anchor ear, a stop valve, a first conveying pump pipe and a second conveying pump pipe; the steel anchor ear consists of two hollow semicircular anchor ears and a butt-clamp steel plate, and the two semicircular anchor ears are detachably connected through the butt-clamp steel plate; the stop valve consists of two valve cover plates, a core plate positioned in the middle of the valve cover plates and a flashboard, wherein the flashboard is used for opening or closing the stop valve; and the first conveying pump pipe is used for communicating the stop valve with the pump truck, and the second conveying pump pipe is used for communicating the stop valve with the steel hoop. According to the technical scheme, although the slurry can be cut off through the flashboard, the automatic cutting off of the slurry can not be realized manually by a user.
Disclosure of utility model
In order to solve the above problems, the present utility model provides a one-way check grouting valve:
The utility model provides a one-way check grouting valve, includes valve body, radial fastening rod, elastic rubber head, the stifled piece of stereoplasm, be equipped with the cylindricality in the valve body and lead to the chamber, the cylindricality is led to the both ends in chamber and is equipped with intercommunication inlet and outlet respectively, the outlet is equipped with the outer inclined plane portion of the annular of the stifled piece of adaptation stereoplasm, the cylindricality is led to the chamber and is close to outlet one side and be equipped with radial through-hole, radial through-hole sealing fixed connection radial fastening rod, radial fastening rod passes the radial connector of elastic rubber head one end, the other end of elastic rubber head is equipped with outer separation blade, the outer separation blade constitutes the screens cooperation with the outer terminal surface of the stifled piece of stereoplasm, elastic rubber head produces the elasticity restoring force that makes it hug closely annular outer inclined plane portion to the stifled piece of stereoplasm.
Preferably, the radial fastening rod is a screw, the screw comprises a nut and a screw rod, one end of the screw rod, which is opposite to the nut, is in detachable threaded sealing connection with the radial through hole, one end of the screw rod, which is close to the nut, is in sealing connection with the radial through hole, and the screw rod covers the radial through hole.
Preferably, the hard blocking piece is a hard metal piece. The product is mainly used in slurry, if the plugging sheet made of elastic rubber and other materials is adopted, the bending deformation of the plugging sheet is easy to cause, and then the slurry outlet is blocked.
Preferably, the hard plug is provided with an annular inner inclined surface part corresponding to the annular outer inclined surface part, and the surface of the annular inner inclined surface part is smooth.
Preferably, the hard plugging sheet is provided with a high-temperature-resistant mica sheet layer.
Preferably, the elastic rubber head is provided with an inner baffle, and the inner baffle and the outer baffle form a clamping mechanism for clamping the hard blocking piece.
Preferably, the elastic rubber head is made of high-temperature resistant rubber. The high temperature in the application is more than 200 ℃.
Preferably, one end of the elastic rubber head, which is close to the radial fastening rod, is provided with a round top head. The arrangement of the round top head has two functions, namely, the thickness of the elastic rubber head is increased, the elastic rubber head is prevented from being broken under the pulling of the radial fastening rod, and the impact resistance to mud is improved, and the elastic rubber head is prevented from being broken under the impact action of the mud; thirdly, because the round top head is small outside and large inside, the mud can be split, and the impact force of the mud on the elastic rubber head is reduced.
The beneficial effects are that: 1. when slurry is arranged in the cylindrical through cavity, the slurry outlet can be automatically opened, and when the pressure in the cylindrical through cavity is reduced, the elastic rubber head can realize sealing and blocking of the slurry outlet through the hard blocking piece, so that the automatic interception function is realized.
2. The application adopts the elastic rubber head instead of the spring, so that particles in the slurry are prevented from being clamped between the springs, and the elastic deformation of the springs is prevented from being influenced.
3. The round or elliptic spherical plug structure can also replace the hard plug to realize the corresponding interception function, but the application adopts the hard plug instead of the spherical plug structure, because the hard plug is of a sheet-shaped structure, when slurry is ejected to open the hard plug, the hard plug has larger opening which is obliquely opened relative to the annular outer inclined surface part, so that the slurry outlet efficiency can be higher, and the limited gap between the spherical plug and the annular outer inclined surface part has lower slurry outlet efficiency.
Drawings
Fig. 1 is a sectional structural view of an embodiment.
Fig. 2 is a schematic structural view of an elastic rubber head.
Fig. 3 is a schematic structural view of the valve body.
Reference numerals: 1. a valve body; 2. a radial tightening rod; 21. a screw cap; 22. a screw; 3. an elastic rubber head; 4. hard blocking pieces; 5. a cylindrical through cavity; 51. a slurry inlet; 52. a slurry outlet; 6. an annular outer ramp portion; 7. a radial through hole; 8. a radial connection port; 9. an outer baffle; 10. an annular inner ramp portion; 11. mica sheet layers; 12. a circular top head; 13. inner baffle
Detailed Description
The utility model is further illustrated with reference to figures 1-3 and examples.
Examples: as shown in fig. 1, a one-way check grouting valve includes valve body reference numerals: 1. radial fastening rod 2, elastic rubber head 3, hard blanking piece 4. The valve body reference numerals: 1 is internally provided with a cylindrical through cavity 5, two ends of the cylindrical through cavity 5 are respectively provided with a slurry inlet 51 and a slurry outlet 52 which are mutually communicated, the slurry outlet 52 is provided with an annular outer inclined surface part 6 which is matched with the hard plug 4, and the annular outer inclined surface part 6 can be an inclined surface with the taper of 30-60 degrees or an arc-shaped inclined surface. The cylindrical through cavity 5 is provided with a radial through hole 7 near one side of the slurry outlet 52, the radial through hole 7 is fixedly connected with the radial fastening rod 2 in a sealing way, and the radial fastening rod 2 passes through a radial connecting port 8 at one end of the elastic rubber head 3.
As shown in fig. 2, the elastic rubber head 3 is made of high-temperature resistant rubber. The high temperature in the application is more than 200 ℃. The elastic rubber head 3 is provided with an inner baffle 13, and the inner baffle 13 and the outer baffle 9 form a clamping mechanism for clamping the hard blocking piece 4. The other end of the elastic rubber head 3 is provided with an outer baffle 9, the outer baffle 9 and the outer end face of the hard plug 4 form clamping fit, and the elastic rubber head 3 generates elastic reset acting force for the hard plug 4 to enable the hard plug 4 to cling to the annular outer inclined surface part 6. The elastic rubber head 3 is provided with a round top head 12 at one end close to the radial fastening rod 2. The arrangement of the circular top head 12 has two functions, namely, firstly, the thickness of the elastic rubber head 3 is increased, the elastic rubber head 3 is prevented from being broken under the pulling of the radial fastening rod 2, and secondly, the impact resistance to mud is improved, and the elastic rubber head 3 is prevented from being broken under the impact action of the mud; third, the round top head 12 is small at the outside and large at the inside, so that the slurry can be split, and the impact force of the slurry on the elastic rubber head 3 is reduced.
As shown in fig. 1, the radial fastening rod 2 is a screw, the screw comprises a nut 21 and a screw rod 22, one end of the screw rod 22 facing away from the nut 21 is detachably in threaded sealing connection with the radial through hole 7, one end of the screw rod 22 close to the nut 21 is in sealing connection with the radial through hole 7, and the screw covers the radial through hole 7.
The hard blanking plug 4 is a double-folded structure of a hard metal sheet and a high-temperature-resistant mica sheet layer 11. The product is mainly used in slurry, if the plugging sheet made of elastic rubber and other materials is adopted, the bending deformation of the plugging sheet is easy to cause, and then the slurry outlet 52 is blocked. The hard plug 4 is provided with an annular inner inclined surface part 10 corresponding to the annular outer inclined surface part 6, and the surface of the annular inner inclined surface part 10 is smooth. The annular outer inclined surface part 6 is a corner inclined surface of the inner outer edge of the hard blanking piece 4.
Operation principle: when the cylindrical through cavity 5 is filled with slurry, the slurry pushes up the hard plug 4, so that the hard plug 4 is obliquely opened relative to the annular outer inclined surface part 6, and the slurry is discharged through the slurry outlet 52. When the pressure in the cylindrical through cavity 5 is reduced to a set value, the hard blocking piece 4 retracts, covers and seals the slurry outlet 52 under the elastic reset force of the elastic rubber head 3, so that the automatic cutting-off of slurry is realized.
It is apparent that the above examples of the present utility model are merely illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary or impossible to exemplify all embodiments herein. And obvious changes and modifications which come within the spirit of the utility model are desired to be protected.
Claims (8)
1. A one-way check grouting valve, characterized in that: including valve body (1), radial fastening rod (2), elastic rubber head (3), stereoplasm piece (4), be equipped with cylindricality through chamber (5) in valve body (1), the both ends in cylindricality through chamber (5) are equipped with intercommunication inlet (51) and play thick liquid mouth (52) respectively, play thick liquid mouth (52) are equipped with the annular outer inclined plane portion (6) of the stifled piece of adaptation stereoplasm (4), cylindricality through chamber (5) are close to play thick liquid mouth (52) one side and are equipped with radial through-hole (7), radial through-hole (7) sealing fixed connection radial fastening rod (2), radial connector (8) of elastic rubber head (3) one end are passed in radial fastening rod (2), the other end of elastic rubber head (3) is equipped with outer separation blade (9), the outer terminal surface of outer separation blade (9) and stereoplasm piece (4) constitutes the screens cooperation, elastic rubber head (3) produce the elastic restoring effort that makes its annular outer inclined plane portion (6) of hugging closely to stereoplasm piece (4).
2. The one-way check grouting valve according to claim 1, wherein: the radial fastening rod (2) is a screw, the screw comprises a screw cap (21) and a screw rod (22), one end of the screw rod (22) opposite to the screw cap (21) is detachably connected with the radial through hole (7) in a threaded sealing mode, one end of the screw rod (22) close to the screw cap (21) is connected with the radial through hole (7) in a sealing mode, and the screw covers the radial through hole (7).
3. The one-way check grouting valve according to claim 1, wherein: the hard blocking piece (4) is made of hard metal pieces.
4. A one-way check grouting valve according to claim 3, wherein: the hard plug (4) is provided with an annular inner inclined surface part (10) corresponding to the annular outer inclined surface part (6), and the surface of the annular inner inclined surface part (10) is smooth.
5. A one-way check grouting valve according to claim 3, wherein: the hard plugging sheet (4) is provided with a high-temperature-resistant mica sheet layer (11).
6. The one-way check grouting valve according to claim 1, wherein: the elastic rubber head (3) is provided with an inner baffle (13), and the inner baffle (13) and the outer baffle (9) form a clamping mechanism for clamping the hard blocking piece (4).
7. The one-way check grouting valve according to claim 1, wherein: the elastic rubber head (3) is made of high-temperature resistant rubber.
8. The one-way check grouting valve according to claim 1, wherein: one end of the elastic rubber head (3) close to the radial fastening rod (2) is provided with a round top head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666504.4U CN221003937U (en) | 2023-09-28 | 2023-09-28 | One-way check grouting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666504.4U CN221003937U (en) | 2023-09-28 | 2023-09-28 | One-way check grouting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003937U true CN221003937U (en) | 2024-05-24 |
Family
ID=91127922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322666504.4U Active CN221003937U (en) | 2023-09-28 | 2023-09-28 | One-way check grouting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003937U (en) |
-
2023
- 2023-09-28 CN CN202322666504.4U patent/CN221003937U/en active Active
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