Novel square pile connecting structure
By combining snap-fit connections and bolt connections, a new type of square pile structure has been developed, which solves the problem of misalignment and breakage of existing square pile connectors during pile driving, achieving a more stable connection and higher structural strength.
Patent Information
- Application Number
- CN202422912435.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing square pile connectors are prone to misalignment or breakage due to lateral shear force during pile driving, and their structural strength is insufficient, resulting in unstable connections.
A new type of square pile connection structure is adopted, which combines snap-fit connection and bolt connection. Components such as snap-fit rods, snap-fit joints and sleeves are used to achieve a stable connection by tightening bolts, thereby enhancing the structural strength.
It improves the structural strength of the square pile connection, ensures connection stability, prevents misalignment and breakage, and facilitates installation.
Smart Images

Figure CN223647044U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of square pile connectors, specifically relating to a novel square pile connection structure. Background Technology
[0002] Square piles are a type of prestressed concrete pipe pile, and compared to round pipe piles, they are easier to place and store stably. The end plates of square piles have several threaded rods for connecting with connectors. These connectors allow two short square piles to be joined together, thus extending the pile length. Alternatively, square piles can be mounted on a base for fixation. Existing square pile connectors are generally three-section: the upper and middle sections are rotatably connected, as are the lower and middle sections; the upper section is threaded to the threaded rods on the square pile, and the lower section is threaded to the threaded rods on the next square pile. This type of connector is simple in structure and easy to operate. However, the connectors are exposed and must withstand significant lateral shear forces during pile driving, making them prone to misalignment. Furthermore, over long-term use, because their structural strength is lower than that of the pile body, they are also susceptible to misalignment and even breakage. Utility Model Content
[0003] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a novel square pile connection structure, including a square tube, several fasteners and several snap-fit connectors. The snap-fit connector includes a threaded tube, a snap-fit rod and a ball head that are fixedly connected in sequence. The threaded tube has an internal thread, and the snap-fit rod has an annular snap-fit groove in the middle. Each fastener corresponds to a snap-fit connector. Each fastener includes a sleeve with an opening on one side. The snap-fit rod passes through the opening and is fitted into the corresponding sleeve. The sleeve is located between the threaded tube and the ball head in the corresponding snap-fit connector. The sleeve has a snap-fit part that extends into the annular snap-fit groove inside. The sleeve has several threaded holes. The square tube has two layers of bolt mounting holes. Each layer of bolt mounting holes includes several bolt mounting holes. The fasteners are connected to the square tube by locking bolts. The locking bolts pass through the bolt mounting holes and are screwed into the threaded holes on the corresponding fasteners.
[0004] As a preferred embodiment of the above technical solution, the cross-section of the annular snap-fit groove is an isosceles triangle, and the cross-section of the snap-fit portion is an isosceles triangle.
[0005] As a preferred embodiment of the above technical solution, the sleeve is composed of a back plate, a left side plate and a right side plate. The left side plate and the right side plate are fixedly connected to the two sides of the back plate, respectively. The snap-fit parts are located in the inner middle of the back plate, the inner middle of the left side plate and the inner middle of the right side plate, respectively. Threaded holes are provided on the left side plate and the right side plate.
[0006] As a preferred embodiment of the above technical solution, the left and right side plates are respectively provided with guide holes, which correspond to the threaded holes and are connected to the corresponding threaded holes.
[0007] As a preferred embodiment of the above technical solution, the square tube is provided with a partition plate inside, and the square tube is fixedly connected around the perimeter of the partition plate. The partition plate is located between two layers of bolt mounting holes.
[0008] The beneficial effects of this utility model are: the novel square pile connection structure of this utility model combines the snap-fit connection method and the bolt connection method, which improves the structural strength of the square pile connection and facilitates installation and operation. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of this utility model;
[0010] Figure 2 This is a structural schematic diagram of the present invention from another angle;
[0011] Figure 3 This is a schematic diagram of the cross-sectional structure of this utility model. Detailed Implementation
[0012] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0013] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0014] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0015] like Figure 1-3As shown, the novel square pile connection structure includes a square tube 1, several fasteners and several snap-fit connectors. The snap-fit connector includes a threaded tube 2, a snap-fit rod 3 and a ball head 4 connected in sequence. The threaded tube 2 has an internal thread, and the snap-fit rod 3 has an annular snap-fit groove 5 in the middle. Each fastener corresponds to a snap-fit connector. Each fastener includes a sleeve 6 with an opening 7 on one side. The snap-fit rod 3 passes through the opening 7 and is fitted into the corresponding sleeve 6. The sleeve 6 is located between the threaded tube 2 and the ball head 4 in the corresponding snap-fit connector. The sleeve 6 has a snap-fit part 11 that extends into the annular snap-fit groove 5 inside. The sleeve 6 has several threaded holes 9. The square tube 1 has two layers of bolt mounting holes 8. Each layer of bolt mounting holes 8 includes several bolt mounting holes 8. The fasteners are connected to the square tube 1 by locking bolts 10. The locking bolts 10 pass through the bolt mounting holes 8 and are screwed into the threaded holes 9 on the corresponding fasteners. Connect the threaded pipe 2 to the threaded rod on the end plate of the square pile using threads. After all parts are installed, put the sleeve 6 onto the snap-fit rod 3 and adjust the orientation of the sleeve 6. Pass the locking bolt 10 through the bolt mounting hole 8 and screw it into the threaded hole 9 on the corresponding snap-fit part. The locking bolt 10 in the upper bolt mounting hole 8 is connected to the upper square pile, and the locking bolt 10 in the lower bolt mounting hole 8 is connected to the lower square pile.
[0016] Furthermore, the cross-section of the annular snap-fit groove 5 is an isosceles triangle, and the cross-section of the snap-fit part 11 is also an isosceles triangle. The snap-fit part 11 cooperates with the annular snap-fit groove 5, enabling the snap fastener and the snap-fit connector to be stably connected.
[0017] Furthermore, the sleeve 6 is composed of a back plate 12, a left side plate 13 and a right side plate 14. The left side plate 13 and the right side plate 14 are fixedly connected to both sides of the back plate 12, and the snap-fit parts 11 are located in the inner middle of the back plate 12, the inner middle of the left side plate 13 and the inner middle of the right side plate 14, respectively. The left side plate 13 and the right side plate 14 are respectively provided with threaded holes 9.
[0018] Furthermore, the left side plate 13 and the right side plate 14 are respectively provided with guide holes 15, which correspond to the threaded holes 9 and are connected to the corresponding threaded holes 9. The guide holes 15 facilitate the alignment of the locking bolts 10 with the threaded holes 9.
[0019] Furthermore, the square tube 1 is provided with a partition plate 16 inside, and the square tube 1 is fixedly connected around the perimeter of the partition plate 16. The partition plate 16 is located between the two layers of bolt mounting holes 8. The partition plate 16 improves the structural strength of the square tube 1 and enhances its shear resistance.
[0020] It is worth mentioning that the technical features such as square piles and bolts involved in this utility model patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement methods of these technical features can be adopted using conventional choices in the field, and should not be regarded as the inventive point of this utility model patent. This utility model patent will not elaborate further.
[0021] The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and variations based on the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experimentation on the basis of the prior art should be within the scope of protection defined by the claims.
Claims
1. A novel square pile connection structure, characterized in that, The device includes a square tube, several fasteners, and several snap-fit connectors. Each snap-fit connector includes a threaded tube, a snap-fit rod, and a ball head that are fixedly connected in sequence. The threaded tube has internal threads, and the snap-fit rod has an annular snap-fit groove in the middle. Each fastener corresponds to a snap-fit connector. Each fastener includes a sleeve with an opening on one side. The snap-fit rod passes through the opening and is fitted into the corresponding sleeve. The sleeve is located between the threaded tube and the ball head in the corresponding snap-fit connector. The sleeve has a snap-fit part that extends into the annular snap-fit groove. The sleeve has several threaded holes. The square tube has two layers of bolt mounting holes, each layer of bolt mounting holes including several bolt mounting holes. The fasteners are connected to the square tube by locking bolts. The locking bolts pass through the bolt mounting holes and are screwed into the threaded holes on the corresponding fasteners.
2. The novel square pile connection structure as described in claim 1, characterized in that, The cross-section of the annular snap-fit groove is an isosceles triangle, and the cross-section of the snap-fit part is an isosceles triangle.
3. The novel square pile connection structure as described in claim 2, characterized in that, The sleeve consists of a back plate, a left side plate, and a right side plate. The left side plate and the right side plate are fixedly connected to the two sides of the back plate, respectively. The snap-fit parts are located in the inner middle of the back plate, the inner middle of the left side plate, and the inner middle of the right side plate, respectively. The left side plate and the right side plate are respectively provided with threaded holes.
4. The novel square pile connection structure as described in claim 3, characterized in that, The left and right side plates are respectively provided with guide holes, which correspond to the threaded holes and are connected to the corresponding threaded holes.
5. The novel square pile connection structure as described in claim 1, characterized in that, The square tube has a partition plate inside, and the square tube is fixedly connected around the partition plate. The partition plate is located between two layers of bolt mounting holes.