Concrete crack filling and repairing tool
By employing a dual-limiting installation mechanism in the concrete crack filling and repair tool, the problems of easy nozzle detachment and inconvenient replacement are solved, achieving a reliable nozzle connection and quick replacement, thus improving ease of use.
Patent Information
- Application Number
- CN202520123474.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing concrete crack filling and repair tools do not withstand pressure at the nozzle, are prone to falling off, and are inconvenient to replace nozzles of different sizes.
The device employs a dual-limiting installation mechanism, including an internal threaded cylinder and a threaded cylinder. Through the cooperation of a sliding groove, a sliding plate, a plug rod, and a spring, it achieves a reliable connection and quick replacement of the nozzle.
The nozzle connection is more secure, the pressure resistance is improved, it is not easy to fall off, and different sizes of nozzles can be quickly replaced, making it convenient to use.
Smart Images

Figure CN223577611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete crack filling repair technical field, concretely is a kind of concrete crack filling repair tool. BACKGROUND
[0002] Concrete crack is common disease in building engineering, not only affect building appearance, also possibly reduce structural strength and durability, concrete crack filling repair is the key means of recovery structural performance, prolong service life, epoxy resin: with high bonding strength, good chemical corrosion resistance and insulation, shrinkage is small after solidification, can effectively fill crack, restore structural integrity, commonly used in the part of high strength and durability requirement, polyurethane: swell solidification after meeting water, crack can be filled, water stop effect is good, applicable to the part with waterproof requirement;
[0003] Part of existing concrete crack filling repair tool, when filling repair to concrete crack, concrete crack filling material is poured into cartridge, filling material in cartridge is pushed to discharge pipe by screw push rod rotation, discharge pipe is aimed at concrete crack, extrudes at appropriate speed and flow rate;
[0004] The existing concrete crack filling repair tool has the following problems: when filling repair to concrete crack, single threaded connection nozzle, nozzle is not ideal in pressure bearing during spraying process, and it is easy to fall off, when different size cracks appear, different nozzles are installed through bolt, and it is extremely inconvenient to disassemble and use, therefore, we provide a concrete crack filling repair tool. Utility model content
[0005] The utility model solves the technical problem of overcoming the existing defects, provides a concrete crack filling repair tool, when filling repair to concrete crack, different size nozzles can be quickly replaced, without back and forth replacement of filling repair tool, convenient to use, can effectively solve the problems in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a concrete crack filling repair tool, including material pipe, the right end of the material pipe is equipped with one-way valve one, still include installation mechanism;
[0007] The installation mechanism comprises an inner threaded cylinder and a threaded cylinder, the right end of the one-way valve is provided with the inner threaded cylinder, the inner threaded cylinder is internally threaded connected with the threaded cylinder, the right end of the threaded cylinder is provided with a spray head, a sealing ring one is arranged between the left side wall edge of the inner threaded cylinder and the left end edge of the threaded cylinder, a sealing ring two is arranged between the right end edge of the inner threaded cylinder and the left side surface edge of the spray head, when the concrete crack is filled and repaired, the double limiting can guarantee the firmness of the installation of the spray head, the spray head can resist more force when the material filling and repairing liquid is sprayed, the spray head is more firmly connected, the spray head is more strong in pressure resistance, and is not easy to fall off, meanwhile, different sizes of the spray head can be quickly replaced, the filling and repairing tool does not need to be replaced back and forth, and the use is convenient.
[0008] Further, the installation mechanism further comprises a sliding groove, a sliding plate, a plug rod and a plug hole, the left end outer surface of the threaded cylinder is provided with uniformly distributed sliding grooves, the inner parts of the sliding grooves are respectively connected with sliding plates in a sliding mode, the outer side ends of the sliding plates are respectively fixedly connected with plug rods, the left end outer surface of the inner threaded cylinder is provided with uniformly distributed plug holes, and the plug rods are respectively installed in cooperation with vertically adjacent plug holes, so that replacement is facilitated.
[0009] Further, the installation mechanism further comprises a telescopic rod and a spring, the telescopic rods are respectively fixedly connected between the bottom walls of the sliding grooves and the outer side walls of the vertically adjacent sliding plates, and the outer parts of the telescopic rods are respectively sleeved with springs, so that rebound is provided.
[0010] Further, the inner part of the material pipe is connected with a piston in a sliding mode, and the left end middle part of the piston is fixedly connected with a pull rod, so that material discharge is facilitated.
[0011] Further, the outer surface right end inlet of the material pipe is provided with a one-way valve two, and the upper end of the one-way valve two is threaded connected with a material cylinder, so that material feeding is facilitated.
[0012] Further, the left end of the pull rod is fixedly connected with a pull handle, so that material pushing is facilitated.
[0013] Further, the left end of the pull rod is fixedly connected with a pull handle, so that material pushing is facilitated.
[0014] Compared with the prior art, the concrete crack filling and repairing tool has the following advantages:
[0015] By pressing the plug rod in the inside of the sliding groove, the plug rod will be disconnected from the plug hole, then counterclockwise rotating the threaded cylinder in the inside of the inner threaded cylinder to move right, the required spray head will be replaced, by pressing the plug rod to retract in the inside of the sliding groove, the threaded cylinder will rotate left in the inside of the inner threaded cylinder, when the plug rod rotates to the plug hole, the plug rod will be inserted into the plug hole under the rebound of the telescopic rod and the spring, when filling and repairing the concrete cracks, the double limiting can ensure the firmness of the spray head installation, the spray head can resist more force when spraying the filling and repairing liquid, the spray head connection is more reliable, the spray head pressure is stronger, and the spray head is not easy to fall off, different size spray heads can be quickly replaced, the filling and repairing tool does not need to be replaced back and forth, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structure schematic view of the utility model;
[0017] Fig. 2 It is a sectional structure schematic view of the utility model;
[0018] Fig. 3 It is an enlarged schematic view of A part of the utility model.
[0019] In the drawing: 1 material pipe, 2 piston, 3 pull rod, 4 pull handle, 5 handle, 6 one-way valve I, 7 mounting mechanism, 71 inner threaded cylinder, 72 threaded cylinder, 73 sliding groove, 74 telescopic rod, 75 spring, 76 sliding plate, 77 plug rod, 78 plug hole, 8 spray head, 9 one-way valve II, 10 barrel, 11 sealing ring I, 12 sealing ring II. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Please refer to Figs. 1-3The embodiment provides a technical scheme: a concrete crack filling and repairing tool, which comprises a material pipe 1, a one-way valve I 6 arranged at the right end discharge port of the material pipe 1, and a mounting mechanism 7, the inside of the material pipe 1 is slidably connected with a piston 2, the left end middle part of the piston 2 is fixedly connected with a pull rod 3, the right end inlet of the outer surface of the material pipe 1 is provided with a one-way valve II 9, the upper end of the one-way valve II 9 is threadedly connected with a material cylinder 10, the left end of the pull rod 3 is fixedly connected with a pull handle 4, the left end of the outer surface of the material pipe 1 is provided with a handle 5, when the concrete crack is filled and repaired, the material cylinder 10 filled with the repairing material is first rotated at the upper end of the one-way valve II 9, then one hand holds the handle 5 and the other hand pulls the pull handle 4, the pull handle 4 pulls the piston 2 through the pull rod 3, the one-way valve II 9 only allows the inlet but not the outlet, the one-way valve I 6 only allows the outlet but not the inlet, when the piston 2 moves to the left, the volume of the inside of the material pipe 1 is increased, the pressure in the material cylinder 10 is greater than the pressure in the inside of the material pipe 1 at this time, at this time, the repairing material in the material cylinder 10 flows into the inside of the material pipe 1, when the inside of the material pipe 1 is filled with the repairing material, the nozzle 8 is aimed at the concrete crack, then the pull handle 4 is pressed, the pull handle 4 pushes the piston 2 to move to the right through the pull rod 3, the piston 2 sprays the repairing material in the inside of the material pipe 1 to the inside of the concrete crack through the nozzle 8.
[0022] The mounting mechanism 7 comprises an internal thread cylinder 71 and a threaded cylinder 72, the right end of the one-way valve I 6 is provided with the internal thread cylinder 71, the inside of the internal thread cylinder 71 is threadedly connected with the threaded cylinder 72, the right end of the threaded cylinder 72 is provided with the nozzle 8, the left side wall edge of the internal thread cylinder 71 and the left end edge of the threaded cylinder 72 are provided with a sealing ring I 11, the right end edge of the internal thread cylinder 71 and the left side edge of the nozzle 8 are provided with a sealing ring II 12, the sealing ring I 11 and the sealing ring II 12 are sealing rubber rings, the mounting mechanism 7 further comprises a sliding groove 73, a sliding plate 76, a plug rod 77 and a plug hole 78, the left end outer surface of the threaded cylinder 72 is provided with uniformly distributed sliding grooves 73, the inside of the sliding groove 73 is slidably connected with the sliding plate 76, the outer side end of the sliding plate 76 is fixedly connected with the plug rod 77, the left end outer surface of the internal thread cylinder 71 is provided with uniformly distributed plug holes 78, the plug rod 77 is matched and installed with the vertically adjacent plug holes 78, the mounting mechanism 7 further comprises a telescopic rod 74 and a spring 75, the bottom wall of the sliding groove 73 and the vertically adjacent outer side wall of the sliding plate 76 are fixedly connected with the telescopic rod 74, respectively, the outside of the telescopic rod 74 is sleeved with the spring 75, respectively, when the nozzle 8 needs to be replaced, the plug rod 77 is pressed, the plug rod 77 is retracted in the inside of the sliding groove 73, and then the plug rod 77 is separated from the plug connection of the plug hole 78, then the threaded cylinder 72 is counterclockwise rotated, the threaded cylinder 72 is threadedly moved to the right in the inside of the internal thread cylinder 71, then the required nozzle 8 is replaced, then the plug rod 77 is retracted in the inside of the sliding groove 73 by pressing, then the threaded cylinder 72 is rotated to the left in the inside of the internal thread cylinder 71, when the plug rod 77 is rotated to the plug hole 78, the plug rod 77 is plugged into the plug hole 78 under the rebounding action of the telescopic rod 74 and the spring 75.
[0023] The working principle of the concrete crack filling and repairing tool is as follows: when filling and repairing the concrete crack, first, the material cylinder 10 filled with repairing material is rotated at the upper end of the one-way valve two 9, then one hand holds the handle 5, and the other hand pulls the pull handle 4, the pull handle 4 pulls the piston 2 through the pull rod 3, the one-way valve two 9 only enters but does not exit, the one-way valve one 6 only exits but does not enter, when the piston 2 moves to the left, the volume inside the material pipe 1 becomes larger, the pressure inside the material cylinder 10 is greater than the pressure inside the material pipe 1 at this time, at this time, the repairing material in the material cylinder 10 flows into the inside of the material pipe 1, the repairing material in the material cylinder 10 is sucked into the inside of the material pipe 1 by the piston 2, when the amount of the repairing material in the material pipe 1 is full, the nozzle 8 is aimed at the concrete crack, then the pull handle 4 is pressed, the pull handle 4 pushes the piston 2 to move to the right through the pull rod 3, the piston 2 sprays the repairing material in the material pipe 1 to the inside of the concrete crack through the nozzle 8, when it is necessary to replace the nozzle 8, the plug rod 77 is pressed, the plug rod 77 is retracted in the sliding groove 73, and then the plug rod 77 is separated from the plug hole 78, then the threaded cylinder 72 is counterclockwise rotated, the threaded cylinder 72 is threadedly moved to the right in the inner threaded cylinder 71, then the required nozzle 8 is replaced, then the plug rod 77 is pressed, the plug rod 77 is retracted in the sliding groove 73, then the threaded cylinder 72 is rotated to the left in the inner threaded cylinder 71, when the plug rod 77 is rotated to the plug hole 78, the plug rod 77 is inserted into the plug hole 78 under the rebounding action of the telescopic rod 74 and the spring 75.
[0024] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A concrete crack filling repair tool comprising a tube (1), a one-way valve (6) is arranged at the right end of the tube (1), characterized in that: Also include installation mechanism (7); The installation mechanism (7) comprises an internally threaded cylinder (71) and a threaded cylinder (72), the right end of the one-way valve (6) is provided with the internally threaded cylinder (71), the internally threaded cylinder (71) is internally threaded connected with the threaded cylinder (72), the right end of the threaded cylinder (72) is provided with a shower head (8), the left side wall edge of the internally threaded cylinder (71) and the left end edge of the threaded cylinder (72) are provided with a sealing ring (11), and the right end edge of the internally threaded cylinder (71) and the left side surface edge of the shower head (8) are provided with a sealing ring (12).
2. A concrete crack filling and repairing tool according to claim 1, characterized in that: The installation mechanism (7) further comprises a sliding groove (73), a sliding plate (76), a plug rod (77) and a plug hole (78), the left end outer surface of the threaded cylinder (72) is provided with uniformly distributed sliding grooves (73), the inner part of the sliding grooves (73) is respectively connected with the sliding plates (76), the outer side end of the sliding plates (76) is respectively fixedly connected with the plug rods (77), the left end outer surface of the internally threaded cylinder (71) is provided with uniformly distributed plug holes (78), and the plug rods (77) are respectively matched with vertically adjacent plug holes (78) for installation.
3. A concrete crack filling and repairing tool according to claim 2, wherein: The installation mechanism (7) further comprises a telescopic rod (74) and a spring (75), the bottom wall of the sliding groove (73) and the outer side wall of the vertically adjacent sliding plate (76) are respectively fixedly connected with the telescopic rods (74), and the outer part of the telescopic rods (74) is respectively sleeved with the springs (75).
4. The concrete crack repair tool of claim 1, wherein: The inside of the material pipe (1) is connected with a piston (2), and the left end of the piston (2) is fixedly connected with a pull rod (3).
5. The concrete crack filling and repairing tool according to claim 1, wherein: The outer surface of the material pipe (1) is provided with a one-way valve (9) at the right end of the inlet, and the upper end of the one-way valve (9) is threadedly connected with a material cylinder (10).
6. A concrete crack filling and repairing tool as claimed in claim 4, wherein: The left end of the pull rod (3) is fixedly connected with a pull handle (4).
7. The concrete crack repair tool of claim 1, wherein: The left end of the pull rod (3) is fixedly connected with a pull handle (4). The left end of the pull rod (3) is fixedly connected with a pull handle (4).