Simple rebar adhesive injection device
By designing a simple rebar adhesive injection device, and utilizing components such as a fixed sleeve, an injection tube, and a transmission rod, the problems of difficult control of the injection volume and insufficient applicability in existing technologies have been solved, achieving dense injection of rebar adhesive and reducing costs.
Patent Information
- Application Number
- CN202411486790.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2044-10-23
AI Technical Summary
Existing technologies make it difficult to control the amount of adhesive injected during the rebar injection process, and are not suitable for rebar holes of different sizes, resulting in high costs and inconvenience for reuse.
A simple rebar adhesive injection device was designed, including a fixed sleeve, an injection tube, a transmission rod, and a piston. By changing the piston and injection tube of different sizes, and combining them with airbag rings or bolts for fixation, the device can accurately measure and inject the rebar adhesive, adapting to rebar holes of different sizes.
This method achieves dense injection of rebar adhesive, ensuring full coverage of the adhesive, reducing costs, and improving the applicability and efficiency of the device.
Smart Images

Figure CN119102391B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of building engineering, and in particular to a simple rebar adhesive injection device. Background Technology
[0002] Current techniques involve applying anchoring adhesive to the rebar and inserting it into the anchoring hole, with the following steps:
[0003] S1: Preparation Phase
[0004] According to the blueprint plan, holes are drilled at the designated locations, with a hole depth of 10d to 15d (d is the diameter of the reinforcing bar).
[0005] Clean the hole to ensure it is free of dust and debris.
[0006] S2: Glue Injection Process
[0007] Choose the appropriate anchoring adhesive and inject it according to the type of adhesive (injection or drum).
[0008] Injection-type rebar adhesive: Using an adhesive applicator, inject the adhesive into the hole to 2 / 3 of the hole depth.
[0009] Barrel-packaged rebar adhesive: Mix components A and B in the specified ratio, stir well, and then inject into the holes.
[0010] S3: Insert reinforcing bar
[0011] Apply the anchoring adhesive that has been injected into the hole to the rebar, ensuring that the rebar and the adhesive are in full contact.
[0012] Slowly insert the reinforcing bar into the hole clockwise until the designed depth is reached.
[0013] Using the above steps, the amount of adhesive injected cannot be controlled, and it cannot meet the needs of different rebar holes, making it inconvenient to reuse and resulting in high costs. Summary of the Invention
[0014] In view of this, the present invention provides a simple rebar adhesive injection device. Using this rebar adhesive injection device, the rebar adhesive can be directly injected into the bottom of the hole. When the rebar is inserted, the rebar adhesive is squeezed out of the hole from the bottom of the hole, thereby ensuring the compactness of the rebar adhesive. By changing different injection tubes and pistons, different rebar holes can be accommodated, and the device can be reused.
[0015] The present invention provides a simple rebar adhesive injection device using the following technical solution:
[0016] A simple rebar adhesive injection device includes a fixed sleeve, an injection tube, a transmission rod, and a piston. The fixed sleeve has a circular hole, and the transmission rod is slidably fitted inside the circular hole. An outer sleeve is provided outside the fixed sleeve, and a piston is provided at the end of the transmission rod, which is connected to the transmission rod. The front end of the fixed sleeve has a tapered surface for abutting against the injection tube. A locking element is provided on the outer sleeve for fixing the injection tube to the fixed sleeve. The piston is slidably fitted inside the injection tube.
[0017] Optionally, the dispensing tube is marked with graduations.
[0018] Optionally, the fixed sleeve has circular holes with the same diameter as the transmission rod at the center positions on both sides.
[0019] Optionally, the piston and the transmission rod are detachably connected.
[0020] Optionally, the locking element is a bolt, and the outer sleeve has a bolt hole for the bolt to pass through, and the bolt abuts against the outer wall of the glue injection tube through the bolt hole.
[0021] Optionally, an airbag ring is provided on the inner wall of the outer sleeve. The airbag ring can be manipulated to inflate or deflate. When the airbag ring is inflated, it can press against the glue injection tube.
[0022] Optionally, the transmission rod is provided with a handle, which can be manipulated to drive the transmission rod to slide axially along the fixed sleeve.
[0023] In summary, the present invention includes at least one of the following beneficial technical effects: the anchoring adhesive is filled into the bottom of the hole in one go, and the injected anchoring adhesive can be metered to ensure that the anchoring adhesive is full and dense. Attached Figure Description
[0024] Figure 1 This is a front view of an embodiment of the present invention;
[0025] Figure 2 This is a sectional view of an embodiment of the present invention.
[0026] Explanation of reference numerals in the attached diagram: 1. Injection tube; 2. Piston; 3. Outer sleeve; 4. Bolt hole; 5. Bolt; 6. Fixing sleeve; 7. Drive rod; 8. Grip rod; 9. Scale; 10. Airbag ring. Detailed Implementation
[0027] The following is in conjunction with the appendix Figure 1-2 The present invention will be described in further detail below.
[0028] This invention discloses a simple rebar adhesive injection device.
[0029] Reference Figure 1 , Figure 2 A simple rebar adhesive injection device includes a fixed sleeve 6, an injection tube 1, a transmission rod 7, and a piston 2. The fixed sleeve 6 has a circular hole, and the transmission rod 7 is slidably fitted inside the circular hole. An outer sleeve 3 is provided outside the fixed sleeve 6. The piston 2 is provided at the end of the transmission rod 7 and is connected to the transmission rod 7. The front end of the fixed sleeve 6 has a conical surface for abutting against the injection tube 1. A locking element is provided on the outer sleeve 3 for fixing the injection tube 1 to the fixed sleeve 6. The piston 2 is slidably fitted inside the injection tube 1. The rebar adhesive is filled into the bottom of the hole in one go, and the injected rebar adhesive can be metered to ensure full and dense application of the adhesive.
[0030] The glue dispensing tube 1 is marked with a scale 9, which makes it easy to observe and control the amount of glue injected, ensuring accurate glue dispensing.
[0031] The fixed sleeve 6 has circular holes with the same diameter as the transmission rod 7 at the center of both sides, ensuring a precise fit: The design of the circular holes with the same diameter as the transmission rod 7 ensures a precise fit between the transmission rod 7 and the fixed sleeve 6, reducing gaps and improving the stability and accuracy of transmission; Simplified installation: This design also simplifies the installation process, allowing the transmission rod 7 to be easily and accurately inserted into the fixed sleeve 6, improving work efficiency.
[0032] The piston 2 is detachably connected to the transmission rod 7. In this embodiment, the piston 2 and the transmission rod 7 are threadedly connected. By detachably connecting the piston 2 and the transmission rod 7, different sizes of piston 2 can be used to adapt to different sizes of glue injection tubes 1, thereby improving applicability and adapting to different sizes of rebar holes.
[0033] The locking component is a bolt 5. The outer sleeve 3 has a bolt hole 4 for the bolt 5 to pass through. The bolt 5 is pressed against the outer wall of the glue injection tube 1 through the bolt hole 4. The glue injection tube 1 of different sizes is fixed by the bolt 5. By replacing the glue injection tube 1 of different sizes, it can be adapted to the rebar hole of different sizes, thus improving applicability.
[0034] An airbag ring 10 is provided on the inner wall of the outer sleeve 3. The airbag ring 10 can be manipulated to inflate or deflate. When inflated, the airbag ring 10 can press against the glue injection tube 1. The outer sleeve 3 is provided with a sealable inflation port. By inflating the inflation port, the airbag ring 10 expands, pressing the glue injection tube 1 between the airbag ring 10 and the fixing sleeve 6, thus fixing the glue injection tube 1 to the fixing sleeve 6. This provides convenient fixing, allowing for quick fixing and release by manipulating the airbag ring 10 through the inflation port. It also offers strong adaptability: the inflation degree of the airbag ring 10 is adjustable to accommodate glue injection tubes 1 of different diameters. Furthermore, the airbag ring 10 is made of soft material, preventing damage to the glue injection tube 1. Finally, it offers high convenience: the inflation and deflation of the airbag ring 10 can be quickly achieved through the inflation port, making operation simple and fast, whereas fixing with bolt 5 requires rotating bolt 5, which is relatively cumbersome.
[0035] A handle 8 is provided on the transmission rod 7, and the handle 8 can be manipulated to drive the transmission rod 7 to slide axially along the fixed sleeve 6.
[0036] Piston 2 is made of stainless steel. The stainless steel piston rod has excellent corrosion resistance, enhanced wear resistance, and optimized sealing performance. The stainless steel piston rod also has good rigidity and high strength, effectively reducing frictional damage to the sealing ring or sealing components during piston movement.
[0037] The fixed sleeve 6 has circular holes with the same diameter as the transmission rod 7 at the center of both sides. The transmission rod 7 passes through the circular holes on both sides to ensure that the movement direction of the transmission rod 7 remains unchanged relative to the fixed sleeve 6. An outer sleeve 3 is provided outside the fixed sleeve 6. The outer sleeve 3 has bolt holes 4 according to the fixed position of the glue injection tube 1 at the end of the fixed sleeve 6. A piston 2 with a corresponding diameter is provided at the end of the transmission rod 7 and is connected to the transmission rod 7 by threads. The glue injection tube 1 is inserted into the outer sleeve 3 and tightly connected to the corresponding fixed position of the fixed sleeve 6. The glue injection tube 1 is fixed to the fixed sleeve 6 by bolts 5, or by airbag ring 10. When injecting glue, the amount of glue used is calculated by the volume difference between the rebar hole and the rebar. The piston 2 is dragged to the scale 9 that matches the amount of glue used. Then the glue injection tube 1 is filled with glue. The glue injection tube 1 is then inserted into the rebar hole to the bottom of the hole. The glue in the glue injection tube 1 is pushed into the bottom of the rebar hole. Finally, the rebar is inserted to complete the rebar installation.
[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.
Claims
1. A simple rebar adhesive injection device, characterized in that: The device includes a fixed sleeve, an injection tube, a transmission rod, and a piston. The fixed sleeve has a circular hole, and the transmission rod is slidably fitted within the circular hole. An outer sleeve is provided outside the fixed sleeve, and a piston is provided at the end of the transmission rod, connected to the transmission rod. The front end of the fixed sleeve has a tapered surface for abutting against the injection tube. A locking element is provided on the outer sleeve for fixing the injection tube to the fixed sleeve. The piston is slidably fitted inside the injection tube. The piston and transmission rod are detachably connected. An air bladder ring is provided on the inner wall of the outer sleeve, which can be manipulated to inflate or deflate. When inflated, the air bladder ring can press the injection tube against the wall. Circular holes with the same diameter as the transmission rod are provided at the center of both sides of the fixed sleeve. Different injection tubes and pistons can be used to accommodate different rebar holes.
2. The simplified rebar adhesive injection device according to claim 1, characterized in that: The dispensing tube is marked with graduations.
3. The simplified rebar adhesive injection device according to claim 1, characterized in that: The transmission rod is provided with a handle, which can be manipulated to drive the transmission rod to slide axially along the fixed sleeve.
4. The simplified rebar adhesive injection device according to claim 1, characterized in that: The piston is a stainless steel piston.
Citation Information
Patent Citations
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