A blocking column outer cylinder structure and a blocking column
By using a segmented outer cylinder structure and plastic material design, the problem of adjusting the height of the outer cylinder of the barrier post has been solved, improving the adaptability and ease of installation of the barrier post, and enabling flexible deployment and efficient use and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-23
Smart Images

Figure CN224395460U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of security facilities technology, and more specifically, it relates to an outer cylindrical structure of a barrier post and a barrier post. Background Technology
[0002] Barrier bollards are an important security facility that forms a passage barrier through physical lifting and lowering, realizing the core function of dynamic control of vehicle passage. Their main purpose is to intercept malicious vehicles from crashing into the area and restrict unauthorized vehicles from entering specific protected areas. At the same time, they must ensure that vehicles can be quickly released in emergency situations, so as to balance security and traffic flexibility.
[0003] In existing technologies, bollards typically employ a basic structure comprising a fixed outer cylinder and a movable, rising bollard. The fixed outer cylinder is generally made of high-strength stainless steel or carbon steel and is directly embedded or fixed to the installation carrier. Because the outer cylinder is a fixed-height structure, its overall height is determined during manufacturing, making it difficult to flexibly adjust according to specific site requirements during actual installation and use. This limits its adaptability to installation environments with different depths of embedded bases or different road surface heights, restricting the deployment capability of bollards in diverse application scenarios.
[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided an outer cylinder structure and barrier post to achieve a more practical purpose. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides an outer cylindrical structure for a barrier post and a barrier post, which is achieved by the following specific technical means:
[0006] An outer cylindrical structure for a barrier post includes an outer cylindrical body composed of a bottom cylinder, a middle cylinder, and a top cylinder connected in sequence, wherein the number of the middle cylinders is not less than one set; the top end of the bottom cylinder, the upper and lower ends of the middle cylinder, and the bottom end of the top cylinder are all provided with connecting grooves at equal angles, and the two sets of connecting grooves provided at the top and bottom are fixedly connected by connectors.
[0007] Furthermore, the bottom cylinder, middle cylinder, and top cylinder are all made of plastic and are integrally injection molded.
[0008] Furthermore, the connector includes an insert plate and a locking plate. The insert plate has screw holes at both its upper and lower ends. The upper and lower ends of the insert plate are respectively inserted into the connecting groove, and the bottom cylinder, middle cylinder, and top cylinder each have through holes corresponding to the screw holes on the side near the connecting groove. The locking plate has mounting holes corresponding to the screw holes at both its upper and lower ends. Each mounting hole contains a fastening screw, one end of which passes through the corresponding through hole and is threadedly connected to the screw hole of the insert plate.
[0009] Furthermore, positioning holes are provided at equal angles at the top of the bottom cylinder, the upper and lower ends of the middle cylinder, and the bottom of the top cylinder, and the two sets of positioning holes provided at the top and bottom are connected by positioning pins.
[0010] Furthermore, the inner walls of the bottom cylinder, middle cylinder, and top cylinder are each vertically arranged at equal angles with multiple sets of guide grooves.
[0011] Furthermore, the top of the top cylinder is provided with a connection port, and the top of the connection port is provided with multiple sets of mounting holes arranged at equal angles; nuts are fixedly installed inside the mounting holes.
[0012] A barrier post includes a lifting cylinder and an outer cylinder structure as described above. A guide post is fixedly welded to the bottom end of the lifting cylinder corresponding to a guide groove, and the guide post is slidably connected to the guide groove. A nylon sleeve is slidably fitted on the lifting cylinder above the guide post, and a fastening ring is connected to the top of the nylon sleeve. The fastening ring and the nylon sleeve are fitted into the connection port of the top cylinder, and the nuts at the corresponding connection ports of the fastening ring and the nylon sleeve are provided with through holes. Fastening bolts are installed in the through holes of the fastening ring, and one end of each fastening bolt passes through the through hole of the nylon sleeve and is fastened to the corresponding nut.
[0013] Furthermore, each guide post has a screw hole at its top, through which a stud is connected.
[0014] Furthermore, a connecting frame is fixedly installed on the inner top side of the lifting cylinder, and an electric cylinder is fixedly connected to the bottom center of the connecting frame. The electric cylinder is vertically set and its bottom end is fixedly connected to the inner bottom of the bottom cylinder.
[0015] Furthermore, a warning light strip is installed on the outer side of the top of the lifting cylinder, and a reflective film is adhered to the bottom side of the warning light strip; a top cover is installed on the top of the lifting cylinder, and the top cover is fixedly connected to the connecting frame by fasteners.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] 1. This utility model solves the fundamental problem in the prior art that a fixed-height outer cylinder cannot adapt to different pre-embedded depths and road height requirements by connecting the bottom cylinder, middle cylinder and top cylinder into an outer cylinder, and allowing for flexible increase or decrease in the number of middle cylinders. Users can freely choose to combine different numbers of middle cylinder sections according to the actual installation environment requirements, thereby finely adjusting the overall height of the outer cylinder, which greatly enhances the adaptability and deployment flexibility of the barrier post to diverse application scenarios. At the same time, the use of plastic material to integrally injection mold each cylinder section significantly reduces the weight of the outer cylinder, reducing the difficulty and cost of transportation, handling and installation.
[0018] 2. This utility model greatly improves the stability and guiding accuracy of the lifting process by precisely matching the guide grooves on the inner walls of the bottom cylinder, middle cylinder and top cylinder with the guide columns and nylon sleeves on the lifting cylinder body; the modular connection design of the top connection port of the top cylinder with the fastening ring, nylon sleeve, nut and fastening bolt makes the installation, disassembly and maintenance of the lifting cylinder body components extremely convenient, significantly improving the overall performance, reliability and use and maintenance efficiency of the barrier post. Attached Figure Description
[0019] Figure 1 This is a disassembly diagram of the outer cylinder structure of this utility model.
[0020] Figure 2 This is a disassembly diagram of the connector structure of this utility model.
[0021] Figure 3 This is a schematic diagram of the lifting cylinder of this utility model when it is raised.
[0022] Figure 4 This is a schematic diagram of the lifting cylinder of this utility model when it is lowered.
[0023] Figure 5 This is a schematic diagram showing the disassembly of the lifting cylinder and the outer cylinder of this utility model.
[0024] Figure 6 This is a cross-sectional schematic diagram of the overall structure of this utility model.
[0025] Figure 7 yes Figure 6 Enlarged schematic diagram of section A in the middle.
[0026] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0027] 1. Outer cylinder; 101. Bottom cylinder; 102. Middle cylinder; 103. Top cylinder; 104. Connecting parts; 1041. Insert plate; 1042. Locking plate; 1043. Fastening screw; 105. Positioning pin; 100. Slide groove;
[0028] 2. Lifting cylinder; 201. Fastening ring; 202. Nylon sleeve; 203. Reflective film; 204. Warning light strip; 205. Guide column; 206. Stud; 207. Top cover; 208. Connecting frame;
[0029] 3. Electric cylinder. Detailed Implementation
[0030] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0031] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship 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. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0033] Example 1:
[0034] As attached Figure 1 and attached Figure 2 As shown, this utility model provides an outer cylinder structure for a barrier post, comprising an outer cylinder 1 composed of a bottom cylinder 101, a middle cylinder 102, and a top cylinder 103 connected sequentially. The number of middle cylinders 102 is not less than one set. The top of the bottom cylinder 101, the upper and lower ends of the middle cylinder 102, and the bottom of the top cylinder 103 are all provided with connecting grooves at equal angles. The two sets of connecting grooves provided at the top and bottom are fixedly connected by connectors 104. This segmented structure (bottom cylinder 101 + optional number of middle cylinders 102 + top cylinder 103) is assembled through connecting grooves and connectors 104, realizing flexible adjustment of the overall height of the outer cylinder 1. Users can increase or decrease the number of middle cylinders 102 according to the on-site pre-buried depth or road height requirements, solving the problem of poor adaptability of existing fixed-height outer cylinders and significantly improving the deployment flexibility of the barrier post.
[0035] The bottom cylinder 101, middle cylinder 102, and top cylinder 103 are all made of plastic and are integrally injection molded. The integral injection molding of plastic material significantly reduces the weight of the outer cylinder 1, reducing the difficulty and cost of transportation, handling, and installation. At the same time, the plastic material has excellent corrosion resistance, which can effectively avoid the rust problem of traditional metal outer cylinders, extend the service life, and reduce maintenance requirements.
[0036] The connector 104 includes an insert plate 1041 and a locking plate 1042. The insert plate 1041 has screw holes at both its upper and lower ends. The insert plate 1041 is inserted into the connecting groove, and the bottom cylinder 101, middle cylinder 102, and top cylinder 103 each have through holes corresponding to the screw holes on the side near the connecting groove. The locking plate 1042 has mounting holes corresponding to the screw holes at both its upper and lower ends. Each mounting hole contains a fastening screw 1043, one end of which passes through the corresponding through hole and is threaded into the screw hole of the insert plate 1041. The insert plate 1041, inserted into the connecting groove, bears the main shearing force, while the locking plate 1042 and the fastening screw 1043 provide strong clamping force, ensuring a high degree of robustness, stability, and impact resistance in the connection between the segmented cylinders. The connection method is structurally reliable and facilitates on-site assembly and disassembly.
[0037] The bottom cylinder 101 has positioning holes at equal angles at its top, the upper and lower ends of the middle cylinder 102, and the bottom of the top cylinder 103. The two sets of positioning holes are connected by positioning pins 105. The positioning holes and positioning pins 105 cooperate to achieve precise pre-positioning and alignment of adjacent cylinder sections before the connector 104 is tightened, which significantly improves the efficiency and accuracy of assembly, provides auxiliary support for load transfer, and further enhances the rigidity and stability of the overall structure.
[0038] The inner walls of the bottom cylinder 101, middle cylinder 102 and top cylinder 103 are vertically arranged at equal angles with multiple sets of guide grooves 100. The guide grooves 100 on the inner walls provide a precise sliding track for the guide column 205 of the internal lifting cylinder 2, effectively guiding the linear movement of the lifting cylinder 2, preventing deflection and jamming during the lifting process, and ensuring the smoothness, reliability and low noise of the lifting action.
[0039] The top of the top cylinder 103 is provided with a connection port, and the top of the connection port is provided with multiple sets of mounting holes at equal angles; nuts are fixedly installed inside the mounting holes; the nuts pre-embedded in the connection port of the top cylinder 103 provide a standardized and solid top connection base, which greatly facilitates the quick and reliable installation and fixing of the upper components of the lifting cylinder 2 and simplifies the overall assembly process.
[0040] Example 2:
[0041] As attached Figure 3 To be continued Figure 7As shown, this utility model also provides a barrier post, including a lifting cylinder 2 and a barrier post outer cylinder structure as described above. A guide post 205 is fixedly welded to the bottom end of the lifting cylinder 2 corresponding to the guide groove 100. The guide post 205 is slidably connected to the guide groove 100. The lifting cylinder, through the cooperation of the guide post 205 at its bottom end and the guide groove 100, ensures precise guidance of its linear lifting motion. A nylon sleeve 202 is slidably fitted onto the lifting cylinder 2 above the guide post 205. The top of the nylon sleeve 202 is connected to... Fastening ring 201; The fastening ring 201 and nylon sleeve 202 are fitted into the connection port of the top cylinder 103, and the nuts of the corresponding connection ports of the fastening ring 201 and nylon sleeve 202 are provided with through holes. Fastening bolts are installed in the through holes of the fastening ring 201, and one end of the fastening bolt passes through the through hole of the nylon sleeve 202 and is fastened to the corresponding nut. By locking the fastening bolts with the pre-embedded nuts, the upper part of the lifting cylinder is reliably fixed and sealed on the top cylinder, while facilitating disassembly and maintenance.
[0042] Each guide post 205 has a screw hole at its top, and a stud 206 is connected to the screw hole. The top of the stud 206 can effectively limit the movement of the nylon sleeve 202, preventing the lifting cylinder 2 from being lifted too much and detaching from the outer cylinder 1. At the same time, by replacing studs 206 of different lengths, the height of the limiting position can be flexibly adjusted to meet the limiting requirements under different working conditions.
[0043] The lifting cylinder 2 has a connecting frame 208 fixedly installed on the inner top side, and an electric cylinder 3 is fixedly connected to the bottom center of the connecting frame 208. The electric cylinder 3 is vertically set and its bottom end is fixedly connected to the inner bottom of the bottom cylinder 101. When the electric cylinder 3 extends and retracts, it can efficiently and smoothly drive the lifting cylinder 2 to rise and fall vertically along the guide slide 100. The structure is compact and the power transmission is reliable.
[0044] The lifting cylinder 2 has a warning light strip 204 installed on the outer top of its top surface, and a reflective film 203 is attached to the bottom side of the warning light strip 204. The warning light strip 204 and the reflective film 203 can effectively improve the visibility of the barrier post at night or in low light conditions, enhancing the warning effect and safety. The top of the lifting cylinder 2 is equipped with a top cover 207, which is fixedly connected to the connecting frame 208 by fasteners. The top cover 207 is directly fixed to the internal connecting frame 208 by fasteners, resulting in a stable structure, good sealing, protection of internal components, and convenient installation.
[0045] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A barrier post outer cylinder structure, characterized in that: The outer cylinder (1) is composed of a bottom cylinder (101), a middle cylinder (102) and a top cylinder (103) connected in sequence. The number of the middle cylinders (102) is not less than one set. The top of the bottom cylinder (101), the upper and lower ends of the middle cylinder (102) and the bottom of the top cylinder (103) are provided with connecting grooves at equal angles. The two sets of connecting grooves provided at the top and bottom are fixedly connected by connectors (104).
2. The barrier post outer cylinder structure as described in claim 1, characterized in that: The bottom cylinder (101), middle cylinder (102) and top cylinder (103) are all made of plastic and are integrally injection molded.
3. The barrier post outer cylinder structure as described in claim 1, characterized in that: The connector (104) includes a insert plate (1041) and a locking plate (1042). The insert plate (1041) has screw holes at both its upper and lower ends. The insert plate (1041) is inserted into the connecting groove at its upper and lower ends respectively. The bottom cylinder (101), the middle cylinder (102), and the top cylinder (103) are all provided with through holes corresponding to the screw holes on the side near the connecting groove. The locking plate (1042) has mounting holes corresponding to the screw holes at its upper and lower ends. Each mounting hole is fitted with a fastening screw (1043). One end of each fastening screw (1043) passes through the corresponding through hole and is threadedly connected to the screw hole of the insert plate (1041).
4. The barrier post outer cylinder structure as described in claim 1, characterized in that: The top of the bottom cylinder (101), the upper and lower ends of the middle cylinder (102) and the bottom of the top cylinder (103) are all provided with positioning holes at equal angles, and the two sets of positioning holes provided at the top and bottom are connected by positioning pins (105).
5. The barrier post outer cylinder structure as described in claim 1, characterized in that: The inner walls of the bottom cylinder (101), middle cylinder (102) and top cylinder (103) are provided with multiple sets of guide grooves (100) at equal angles in a vertical direction.
6. The barrier post outer cylinder structure as described in claim 1, characterized in that: The top of the top cylinder (103) is provided with a connection port, and the top of the connection port is provided with multiple sets of mounting holes arranged at equal angles; a nut is fixedly installed inside the mounting hole.
7. A barrier post, comprising a lifting cylinder (2) and a barrier post outer cylinder structure as described in any one of claims 1 to 6, characterized in that: The bottom end of the lifting cylinder (2) is fixedly welded with a guide post (205) corresponding to the guide groove (100), and the guide post (205) is slidably connected to the guide groove (100); the lifting cylinder (2) is slidably fitted with a nylon sleeve (202) above the guide post (205), and a fastening ring (201) is connected to the top of the nylon sleeve (202); the fastening ring (201) and the nylon sleeve (202) are fitted into the connection port of the top cylinder (103), and the nuts of the corresponding connection ports of the fastening ring (201) and the nylon sleeve (202) are provided with through holes. Fastening bolts are installed in the through holes of the fastening ring (201), and one end of the fastening bolt passes through the through hole of the nylon sleeve (202) and is fastened to the corresponding nut.
8. The barrier post as described in claim 7, characterized in that: Each of the guide posts (205) has a screw hole at its top end, and a stud (206) is connected to it through the screw hole.
9. The barrier post as described in claim 7, characterized in that: A connecting frame (208) is fixedly installed on the inner top side of the lifting cylinder (2), and an electric cylinder (3) is fixedly connected to the bottom center of the connecting frame (208). The electric cylinder (3) is vertically set and its bottom end is fixedly connected to the inner bottom of the bottom cylinder (101).
10. The barrier post as described in claim 8, characterized in that: A warning light strip (204) is installed on the outer side of the top of the lifting cylinder (2), and a reflective film (203) is attached to the bottom side of the warning light strip (204); a top cover (207) is installed on the top of the lifting cylinder (2), and the top cover (207) is fixedly connected to the connecting frame (208) by fasteners.