CN201296980Y - Ejector for concrete crack repair through grouting - Google Patents
Ejector for concrete crack repair through grouting Download PDFInfo
- Publication number
- CN201296980Y CN201296980Y CNU2008201618730U CN200820161873U CN201296980Y CN 201296980 Y CN201296980 Y CN 201296980Y CN U2008201618730 U CNU2008201618730 U CN U2008201618730U CN 200820161873 U CN200820161873 U CN 200820161873U CN 201296980 Y CN201296980 Y CN 201296980Y
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- CN
- China
- Prior art keywords
- piston rod
- piston
- top cover
- grouting
- cylindrical shell
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an ejector for the concrete crack repair in the field of concrete crack repair devices. The ejector comprises a cylinder body, a top cover, a piston rod, a spring and a piston; the top cover is connected with the upper end of the cylinder body; the piston rod penetrates the top cover upwards and is rotatablely fixed with the top cover; a handle is connected with the extension end of the piston rod; the piston is arranged on the lower side of the expansion part at the lower end of the piston rod; the spring is sleeved on the piston rod, the upper and the lower ends of the spring are propped against the internal bottom part of the top cover and the expansion part on the piston rod respectively; a replaceable injecting refill is arranged inside the cylinder body; outer threads are formed on the outer wall of the injection refill; inner threads are formed on the inner wall of the cylinder body; the outer threads on the outer wall of the injection refill are engaged with the inner threads on the inner wall of the cylinder body; the lower end of the injection refill is taped and shrunk to form a grouting opening; a valve is arranged on the grouting opening; and the piston is mounted in the injection refill and in fit with the injection refill. The utility model has the advantages that the grouting pressure can be adjusted, the repairing quality can be improved, the injection refill is convenient to clean and can be replaced, thereby being applicable to the grouting repair for concrete cracks.
Description
Technical field
The utility model relates to a kind of fix tool of distress in concrete, particularly a kind of utensil that grouting is repaired to distress in concrete.
Background technology
In the prior art, a kind of filling device that is in the milk repairing concrete crack to distress in concrete is arranged, it mainly includes cylindrical shell, top cover, piston rod, spring and piston, piston is equipped with in cylindrical shell, the tapered contraction in cylindrical shell lower end forms the grouting mouth, the piston rod that links to each other with piston stretches out from the cylindrical shell upper end, piston rod is flat structure, match with piston rod in hole on the top cover, piston rod is provided with bayonet socket, when piston rod is positioned at upper dead center position, the rotating piston bar can be fixed on the bayonet socket on the piston rod on the top cover, the external part of piston rod is connected with handle, and spring housing is contained on the piston rod, and the upper and lower side of spring is conflicted respectively and expand the position on top cover inner bottom part and piston rod.During its work, in cylindrical shell, suck grouting liquid, push piston, grouting liquid is pushed the distress in concrete from the grouting mouth by the elastic force effect of spring.
Its weak point is: along with filling process constantly carries out, the elastic force of spring constantly discharges, and grouting pressure constantly descends, and can not realize the adjustment of grouting pressure in the filling process; Grouting liquid directly sucks in the cylindrical shell, and the curing of grouting liquid and the cleaning of cylinder inboard wall all can cause the friction factor between cylinder inboard wall and the piston to increase, thereby reduce grouting pressure; Can not regulate the temperature of grouting liquid; The grouting mouth is not established valve; Grouting liquid solidifies in cylindrical shell, and filling device is scrapped, and its cost is higher.
The utility model content
The purpose of this utility model provides a kind of distress in concrete grouting and repairs syringe, realizes that the injection pen core of can grouting liquid separates with cylindrical shell, and filling process can be adjusted grouting pressure, and the operation that realizes being in the milk is carried out under elevated pressures constantly.
The purpose of this utility model is achieved in that distress in concrete grouting reparation syringe, include cylindrical shell, top cover, piston rod, spring and piston, top cover is threaded with the cylindrical shell upper end, piston rod is upward through top cover and stretches out from the cylindrical shell upper end, piston rod is flat structure, match with piston rod in hole on the top cover, piston rod is provided with bayonet socket, when piston rod is positioned at upper dead center position, the rotating piston bar can be fixed on the bayonet socket on the piston rod on the top cover, the external part of piston rod is connected with handle, the position downside that expands of piston-rod lower end is provided with piston, spring housing is contained on the piston rod, the upper and lower side of spring is conflicted respectively and expand the position on top cover inner bottom part and piston rod, and removable injection pen core is set in the described cylindrical shell, and the outer wall of injection pen core is provided with external screw thread, the inwall of cylindrical shell is provided with internal thread, the installation that is meshed of the external screw thread of injection pen outer core and the internal thread of cylinder inboard wall; Injection pen core lower end tapered contraction formation grouting mouth, the grouting mouth is provided with valve, and the piston cooperation is installed in the injection pen in-core.
When the utility model uses,, injection pen core and cylindrical shell can be separated from each other, maybe will inject pen core and be screwed in the cylindrical shell by twisting injection pen core or cylindrical shell.Grouting liquid is sucked the injection pen core, close the valve on the injection pen core, the pulling piston rod arrives the elastic force maximum position with the length of spring compressed on the piston rod, the rotating piston bar is fixed on the top cover again, by twisting injection pen core or cylindrical shell, the injection pen core can be fixed in the cylindrical shell, valve on the injection pen core is opened, and rotating piston bar trip spring, the elastic force of spring drive piston rod and push piston to grouting mouthful direction motion, make grouting liquid constantly from grouting mouthful outflow, spring force also discharges gradually, after spring force partly discharges, can close the valve on the injection pen core, draw piston rod to the spring force maximum position, and the rotating piston bar is fixed on the top cover, and rotating cylinder will be injected pen core and be screwed in the cylindrical shell once more, the rotating piston bar can continue grouting behind the trip spring.Compared with prior art, the utility model is realized the adjustment of grouting pressure in the crack grouting operation process, can realize that grouting liquid injects in the crack with elevated pressures constantly, has improved the repairing quality in crack; After the grouting liquid of injection pen in-core is near gelatine, the injection pen core can be pulled down cleaning, its cleaning is also very convenient; Also can change separately after the injection pen core damages, cost is lower.The utility model can be used for the grouting reparation of distress in concrete.
As further improvement of the utility model, described cylindrical shell is provided with water cavity outward, and water cavity is provided with water inlet and delivery port.The hardening time of grouting liquid and the viscosity of grouting liquid can change with variation of temperature, grouting operation when temperature is higher, grouting liquid gelatine speed is very fast, for delaying the gelatine time of grouting liquid, can inject the water cooling grouting liquid of lower temperature from water inlet, grouting operation grouting liquid viscosity becomes big when temperature is low, gelatine speed is slower, is the viscosity that reduces grouting liquid, can heat to grouting liquid from the water that water inlet injects higher temperature.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein, 1 grouting mouth, 2 valves, 3 injection pen cores, 4 cylindrical shells, 5 pistons, 6 delivery ports, 7 springs, 8 piston rods, 9 handles, 10 top covers, 11 bayonet sockets, 12 water cavities, 13 water inlets.
The specific embodiment
As Fig. 1, for syringe is repaired in distress in concrete grouting, its structure mainly includes cylindrical shell 4, top cover 10, piston rod 8, spring 7 and piston 5, top cover 10 is threaded with cylindrical shell 4 upper ends, piston rod 8 is upward through top cover 10 and stretches out from cylindrical shell 4 upper ends, piston rod 8 is flat structure, match with piston rod 8 in hole on the top cover 10, piston rod 8 is provided with bayonet socket 11, when piston rod 8 is positioned at upper dead center position, rotating piston bar 8 can be fixed on the bayonet socket on the piston rod 8 11 on the top cover 10, the external part of piston rod 8 is connected with handle 9, the position downside that expands of piston rod 8 lower ends is provided with piston 5, and spring 7 is sleeved on the piston rod 8, and the upper and lower side of spring 7 is conflicted respectively and expand the position on top cover 10 inner bottom parts and piston rod 8, removable injection pen core 3 is set in the described cylindrical shell 4, the outer wall of injection pen core 3 is provided with external screw thread, and the inwall of cylindrical shell 4 is provided with internal thread, the installation that is meshed of the external screw thread of injection pen core 3 outer walls and the internal thread of cylindrical shell 4 inwalls; Inject the tapered contraction in pen core 3 lower ends and form the mouth 1 that is in the milk, grouting mouth 1 is provided with valve 2, and piston 5 cooperates to be installed in to be injected in the pen core 3; The cylindrical shell 4 outer water cavities 12 of regulating the grouting liquid temperature that are provided with, water cavity 12 is provided with water inlet 13 and delivery port 6.
During use,, injection pen core 3 and cylindrical shell 4 can be separated from each other, maybe will inject pen core and be screwed in the cylindrical shell by twisting injection pen core 3 and cylindrical shell 4.Grouting liquid is sucked injection pen core 3 inner chambers, draw piston rod 8 that the spring on the piston rod 7 is compressed to the elastic force maximum position, rotating piston bar 8 is fixed on the top cover 10 again, by twisting injection pen core 3 or cylindrical shell 4, injection pen core 3 can be fixed in the cylindrical shell 4.Injection pen core 3 is installed in (by being threaded) on the grouting base that is fixed on the distress in concrete surface in advance, open the valve 2 on the injection pen core 3, rotating piston bar 8 trip springs 7, spring 7 drives piston rod 8 and pushes piston 5 motions, make grouting liquid constantly from grouting mouthful 1 outflow, enter in the distress in concrete, the elastic force of spring 7 also discharges gradually, after spring force partly discharges, can close the valve 2 on the injection pen core 3, draw piston rod 8 to the spring force maximum position, and fixed piston rod, rotating cylinder 4 will be injected pen core 3 and be screwed in the cylindrical shell 4, can continue grouting behind the trip spring 7.
Inject the water of uniform temperature from water inlet 13, water leaves from delivery port 6, can guarantee that the grouting liquid of injecting in the pen core 3 is in suitable temperature, to guarantee that grouting liquid has good physical property, during grouting construction, surpass 25 ℃ as temperature, can in water cavity 12, inject 5-10 ℃ cooling water, temperature can inject 10-15 ℃ warm water in water cavity 12 between 0-5 ℃.
Claims (2)
1, syringe is repaired in distress in concrete grouting, include cylindrical shell, top cover, piston rod, spring and piston, top cover is threaded with the cylindrical shell upper end, piston rod is upward through top cover and stretches out from the cylindrical shell upper end, piston rod is flat structure, match with piston rod in hole on the top cover, piston rod is provided with bayonet socket, when piston rod is positioned at upper dead center position, the rotating piston bar can be fixed on the bayonet socket on the piston rod on the top cover, the external part of piston rod is connected with handle, the position downside that expands of piston-rod lower end is provided with piston, spring housing is contained on the piston rod, the upper and lower side of spring is conflicted respectively and expand the position on top cover inner bottom part and piston rod, it is characterized in that: removable injection pen core is set in the described cylindrical shell, and the outer wall of injection pen core is provided with external screw thread, the inwall of cylindrical shell is provided with internal thread, the installation that is meshed of the external screw thread of injection pen outer core and the internal thread of cylinder inboard wall; Injection pen core lower end tapered contraction formation grouting mouth, the grouting mouth is provided with valve, and the piston cooperation is installed in the injection pen in-core.
2, distress in concrete grouting syringe according to claim 1, it is characterized in that: described cylindrical shell is provided with the water cavity of regulating the grouting liquid temperature outward, and water cavity is provided with water inlet and delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201618730U CN201296980Y (en) | 2008-10-23 | 2008-10-23 | Ejector for concrete crack repair through grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201618730U CN201296980Y (en) | 2008-10-23 | 2008-10-23 | Ejector for concrete crack repair through grouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201296980Y true CN201296980Y (en) | 2009-08-26 |
Family
ID=41042958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201618730U Expired - Fee Related CN201296980Y (en) | 2008-10-23 | 2008-10-23 | Ejector for concrete crack repair through grouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201296980Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937642A (en) * | 2012-11-05 | 2013-02-20 | 西南科技大学 | Grouting machine for indoor model test |
| CN113404323A (en) * | 2021-06-29 | 2021-09-17 | 中国建筑科学研究院有限公司 | Device and method for repairing filling degree defect of steel bar sleeve grouting connection |
-
2008
- 2008-10-23 CN CNU2008201618730U patent/CN201296980Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937642A (en) * | 2012-11-05 | 2013-02-20 | 西南科技大学 | Grouting machine for indoor model test |
| CN113404323A (en) * | 2021-06-29 | 2021-09-17 | 中国建筑科学研究院有限公司 | Device and method for repairing filling degree defect of steel bar sleeve grouting connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20121023 |