Special plug structure for bare concrete pouring
By combining the design of screws, sleeves, and positioning components, the problem of poor sealing in traditional plug structures is solved, achieving a smooth surface on fair-faced concrete and improving structural durability, while reducing material waste and energy consumption.
Patent Information
- Application Number
- CN202520268297.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Traditional plug structures have poor sealing properties during fair-faced concrete pouring, leading to grout leakage, which affects surface quality and structural durability.
The design employs a combination of screws, sleeves, and positioning components. The positioning components seal the template, and a sealing groove and sealing ring are set on the surface of the sealing component to form a double-layer sealing structure.
It effectively prevents grout leakage, ensures a smooth and clean surface for fair-faced concrete, improves appearance quality, enhances structural durability, and reduces material waste and energy consumption.
Smart Images

Figure CN223634342U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of concrete construction, especially relates to a special plug structure for fair-faced concrete pouring. BACKGROUND
[0002] With the continuous improvement of the pursuit of architectural aesthetics in the construction industry, the fair-faced concrete is widely applied in various construction projects with its unique charm of rustic nature and simple and generous, and the fair-faced concrete construction requires one-time pouring forming without any external decoration, and directly uses the natural texture of concrete as a finish, which puts forward a high standard for the construction quality, in the fair-faced concrete pouring construction, the plug structure as a key component, its performance is directly related to the forming quality of the concrete.
[0003] The traditional plug structure adopts a simple plugging mode, and the pressure generated in the concrete pouring process makes the slurry easily seep from the connection between the plug and the formwork, resulting in honeycomb and pitted surface and other defects on the surface of the fair-faced concrete, which not only seriously affects the original aesthetic effect of the fair-faced concrete, destroys the overall texture, but also reduces the durability of the concrete structure and increases the maintenance cost in the later period.
[0004] Therefore, the utility model provides a special plug structure for fair-faced concrete pouring to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a special plug structure for fair-faced concrete pouring, which is matched with a screw rod, a sleeve and a positioning assembly, and solves the problem of poor sealing caused by the simple plugging mode of the plug structure in the prior art.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0007] The utility model discloses a special plug structure for fair-faced concrete pouring, which is matched with a screw rod, a sleeve and a positioning assembly, and solves the problem of poor sealing caused by the simple plugging mode of the plug structure in the prior art. The utility model discloses a special plug structure for fair-faced concrete pouring, which comprises a formwork and a positioning assembly, the number of the formwork is two groups, sleeve is set between two groups of formwork, the inner chamber of sleeve is provided with screw rod, both ends of screw rod all run through the inner chamber of sleeve and extend to the outside of formwork, both sides of sleeve are provided with plugging piece, one end of plugging piece is connected with connecting pipe in screw thread, one side of connecting pipe is connected with nut in screw thread, the side away from connecting pipe of nut extends to the inner chamber of formwork, the positioning assembly comprises connecting seat, connecting seat is sleeved on the surface of screw rod, the front end and rear end of one side of connecting seat are all provided with mounting hole, the inner chamber of mounting hole is fixedly connected with spring, one side of spring is fixedly connected with connecting column, the side away from spring of connecting column is fixedly connected with positioning disc, one side of positioning disc is fixedly connected with sealing sleeve, one side of sealing sleeve extends to the inner chamber of formwork.
[0008] The utility model further sets up, the surface of the plugging piece is provided with sealing groove, the inner chamber of sealing groove is provided with sealing ring.
[0009] The utility model further sets up, the inner chamber of mounting hole is fixedly connected with positioning column, the side of positioning column is sleeved in the inner chamber of spring.
[0010] The utility model further sets up, the side of template is provided with positioning hole, the side of nut extends to the inner chamber of positioning hole, the side of sealing sleeve extends to the inner chamber of positioning hole and is located the outside of nut.
[0011] The utility model further sets up, the both sides of screw rod surface are all screw -threaded connection has the thread sleeve, the side of thread sleeve is in contact with connecting seat.
[0012] The utility model further sets up, the inner chamber of connecting seat is provided with round hole, the surface of screw rod and round hole slidingly connect.
[0013] The utility model further sets up, the plugging piece is trapezoidal structure, the side of plugging piece is provided with rubber pad waterproof layer.
[0014] The utility model further sets up, the number of connecting seat is two, sets up respectively at the both sides of screw rod surface.
[0015] The utility model has the advantages of the following.
[0016] 1, the utility model discloses a positioning assembly is set up at the both ends of screw rod, and the both sides of template are plugged through positioning assembly, and the inner side of template is sealed simultaneously through plugging piece, under double -layer sealing structure, when concrete pouring, can effectively prevent slurry leakage, ensure that fair -faced concrete surface is smooth and clean, and the appearance quality is improved, simultaneously, the good sealing performance avoids the concrete structural defect caused by leakage, strengthens the durability of structure, and reduces the later maintenance cost.
[0017] 2, the utility model discloses the positioning assembly of increasing, can effectively support template, in the process of dismounting, because the structure design is reasonable, will not cause the damage to concrete end, guarantees the integrity of concrete structure, is favorable to the stability of overall structural performance, and because the sealing performance is good, avoids the waste of concrete caused by leakage, saves building material, indirectly reduces energy consumption, meets the energy -conserving and environment -protecting requirement. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to make the technical scheme of the embodiment of the utility model more clearly, the following will briefly introduce the drawing needed to be used in the embodiment description.
[0019] Figure 1It is a sectional view of a special plug structure for fair-faced concrete pouring.
[0020] Figure 2 It is a sectional view of a screw and its connecting structure in a special plug structure for fair-faced concrete pouring.
[0021] Figure 3 It is a sectional view of a plugging piece and its connecting structure in a special plug structure for fair-faced concrete pouring.
[0022] Figure 4 It is a connecting structure diagram of a plugging piece and a sealing ring in a special plug structure for fair-faced concrete pouring.
[0023] Figure 5 It is a sectional view of a connecting seat in a special plug structure for fair-faced concrete pouring.
[0024] In the drawings: 1, formwork; 2, positioning assembly; 201, connecting seat; 202, mounting hole; 203, spring; 204, connecting column; 205, positioning disc; 206, sealing sleeve; 3, sleeve; 4, screw; 5, plugging piece; 6, connecting pipe; 7, nut; 8, sealing groove; 9, sealing ring; 10, positioning column; 11, positioning hole; 12, threaded sleeve; 13, round hole. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.
[0026] Embodiment one
[0027] Please refer to Figures 1-5 The present application is a special plug structure for fair-faced concrete pouring, which comprises a formwork 1 and a positioning assembly 2. The number of the formwork 1 is two groups, and a sleeve 3 is arranged between the two groups of formwork 1. The inner cavity of the sleeve 3 is provided with a screw 4. Both ends of the screw 4 penetrate the inner cavity of the sleeve 3 and extend to the outside of the formwork 1. A plugging piece 5 is arranged on both sides of the sleeve 3. One end of the plugging piece 5 is threadedly connected with a connecting pipe 6. One side of the connecting pipe 6 is threadedly connected with a nut 7. The side of the nut 7 away from the connecting pipe 6 extends to the inner cavity of the formwork 1. The positioning assembly 2 comprises a connecting seat 201. The connecting seat 201 is sleeved on the surface of the screw 4. The front end and the rear end of one side of the connecting seat 201 are both provided with a mounting hole 202. The inner cavity of the mounting hole 202 is fixedly connected with a spring 203. One side of the spring 203 is fixedly connected with a connecting column 204. The side of the connecting column 204 away from the spring 203 is fixedly connected with a positioning disc 205. One side of the positioning disc 205 is fixedly connected with a sealing sleeve 206. The side of the sealing sleeve 206 extends to the inner cavity of the formwork 1.
[0028] Specifically, the positioning assembly 2 is arranged as two groups and distributed on both sides of the template 1. In the process of reinforcing the template 1, the template 1 is connected and reinforced by the positioning assembly 2. Meanwhile, the sealing sleeve 206 can extend into the positioning hole 11 to seal the positioning hole 11 and protect the nut 7, thereby achieving effective sealing. The two sides of the plugging piece 5 are in contact with one side of the template 1, thereby ensuring the stability of the sleeve pipe 3 and improving the sealing performance.
[0029] Embodiment Two
[0030] Please refer to Figures 1-5 On the basis of the first embodiment, the surface of the plugging piece 5 is provided with a sealing groove 8, the inner cavity of the sealing groove 8 is provided with a sealing ring 9, the inner cavity of the mounting hole 202 is fixedly connected with a positioning column 10, one side of the positioning column 10 is sleeved in the inner cavity of the spring 203, one side of the template 1 is provided with a positioning hole 11, one side of the nut 7 extends into the inner cavity of the positioning hole 11, one side of the sealing sleeve 206 extends into the inner cavity of the positioning hole 11 and is located outside the nut 7, the surface of the screw rod 4 is threadedly connected with a threaded sleeve 12 on both sides, one side of the threaded sleeve 12 is in contact with the connecting seat 201, the inner cavity of the connecting seat 201 is provided with a circular hole 13, the surface of the screw rod 4 is in sliding connection with the circular hole 13, the plugging piece 5 is in trapezoidal structure, one side of the plugging piece 5 is provided with a rubber pad waterproof layer, the number of the connecting seat 201 is two and arranged on both sides of the surface of the screw rod 4.
[0031] Specifically, the sealing ring 9 is an elastic sealing rubber ring which is embedded in the sealing groove 8. The elastic sealing rubber ring is made of silicone rubber, the outer side wall of which is tightly attached to the sealing groove 8, and the inner side wall of which protrudes from the edge of the plugging piece 5 to form a sealing lip, thereby improving the sealing performance of the plugging piece 5. One side of the positioning column 10 is arranged in the inner cavity of the mounting hole 202, and the other side is installed with the spring 203, thereby ensuring the stability of the installation of the spring 203. The positioning hole 11 is used for installing the plug structure, one side of the nut 7 extends into the inner cavity of the positioning hole 11, and the sealing sleeve 206 is used for protecting the nut 7, thereby improving the sealing effect. The threaded sleeve 12 is threadedly connected with the screw rod 4, thereby moving the connecting seat 201 to achieve the effect of convenient positioning. The connecting seat 201 is in sliding connection with the surface of the screw rod 4 through the circular hole 13, thereby achieving the effect of convenient positioning. The rubber waterproof layer arranged on one side of the plugging piece 5 can further improve the sealing effect of the plugging piece 5. The connecting seat 201 is arranged on both sides of the screw rod 4 and is in symmetrical structure, thereby improving the stability of the installation of the plug structure.
[0032] The working principle of the utility model is that the plug structure is installed between two groups of formworks 1, the threaded sleeve 12 is rotated, the threaded sleeve 12 drives the connecting seat 201 to move, the connecting seat 201 drives the spring 203 to move, the spring 203 drives the connecting column 204 and the positioning disc 205 to move, the positioning disc 205 contacts the formwork 1, the formwork 1 is clamped and positioned, meanwhile the sealing sleeve 206 can block the positioning hole 11, the positioning disc 205 stably reinforces and limits the formwork 1 under the action of the spring 203, and the stability and the sealing property of the formwork 1 in the cast-in-place concrete pouring process are improved.
[0033] The above disclosed utility model preferred embodiments are only used for helping to set forth the utility model, the preferred embodiments do not describe all the details, and also do not limit the utility model to only the specific implementation, the specification selects and specifically describes these embodiments, is in order to better explain the principle and practical application of the utility model, thereby making the person skilled in the art can well understand and utilize the utility model.
Claims
1. A special plug structure for fair-faced concrete pouring, comprising a formwork (1) and a positioning assembly (2), characterized in that: The number of the template (1) is two groups, the sleeve (3) is arranged between the two groups of templates (1), the inner cavity of the sleeve (3) is provided with a screw rod (4), both ends of the screw rod (4) penetrate the inner cavity of the sleeve (3) and extend to the outside of the template (1), both sides of the sleeve (3) are provided with a blocking piece (5), one end of the blocking piece (5) is threadedly connected with a connecting pipe (6), one side of the connecting pipe (6) is threadedly connected with a nut (7), the side of the nut (7) away from the connecting pipe (6) extends to the inner cavity of the template (1); The positioning assembly (2) comprises a connecting seat (201), the connecting seat (201) is sleeved on the surface of the screw rod (4), the front end and the rear end of one side of the connecting seat (201) are provided with mounting holes (202), the inner cavity of the mounting hole (202) is fixedly connected with a spring (203), one side of the spring (203) is fixedly connected with a connecting column (204), the side of the connecting column (204) away from the spring (203) is fixedly connected with a positioning disc (205), one side of the positioning disc (205) is fixedly connected with a sealing sleeve (206), one side of the sealing sleeve (206) extends to the inner cavity of the template (1).
2. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: The surface of the blocking piece (5) is provided with a sealing groove (8), and the inner cavity of the sealing groove (8) is provided with a sealing ring (9).
3. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: The inner cavity of the mounting hole (202) is fixedly connected with a positioning column (10), and one side of the positioning column (10) is sleeved in the inner cavity of the spring (203).
4. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: One side of the nut (7) extends to the inner cavity of the positioning hole (11), and one side of the sealing sleeve (206) extends to the inner cavity of the positioning hole (11) and is located outside the nut (7).
5. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: The surface of the screw rod (4) is threadedly connected with a threaded sleeve (12) on both sides, and one side of the threaded sleeve (12) is in contact with the connecting seat (201).
6. The special end structure for fair-faced concrete pouring according to claim 1, characterized in that: The inner cavity of the connecting seat (201) is provided with a circular hole (13), and the surface of the screw rod (4) is in sliding connection with the circular hole (13).
7. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: The blocking piece (5) is a trapezoidal structure, and one side of the blocking piece (5) is provided with a rubber pad waterproof layer.
8. The special plug structure for fair-faced concrete pouring according to claim 1, characterized in that: The number of the connecting seat (201) is two, which are arranged on both sides of the surface of the screw rod (4).