Portable fence capable of being quickly erected
By designing a folding bracket and a quick-folding self-locking mechanism, the problems of complex operation and side-to-side contact of police fencing brackets have been solved, enabling quick and convenient folding and unfolding, and improving the portability and stability of police fencing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENJIANG PUBLIC SECURITY BUREAU
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-17
AI Technical Summary
The existing police fencing has a complicated folding and unfolding mechanism, and when unfolded, the sides tend to gravitate towards the center.
It adopts two sets of folding brackets and a quick-folding self-locking mechanism. Through the connection of the upright tube and the support tube, combined with the fabric sleeve design of the enclosure cloth, the quick-folding self-locking mechanism is used to realize the convenient folding and unfolding of the brackets, and ensures that the support tube is located under the enclosure cloth when unfolded to prevent the two sides from closing together.
It enables the rapid folding and unfolding of police barriers, simplifies the operation process, and prevents the supports from moving towards the center from both sides under the force of the barriers, thus improving portability and efficiency.
Smart Images

Figure CN224134352U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of police fencing, and in particular to a quick-erecting and portable fencing. Background Technology
[0002] Police barricades are emergency equipment used to cordon off and shield public areas. They offer a level of scene concealment that ordinary police tape cannot provide, protecting the scene, quickly establishing an isolation zone, preventing unauthorized onlookers, and minimizing negative impacts. Generally, police barricades are required to be quick-folding and unfolding for easy portability.
[0003] Existing police barriers have problems such as folding supports, complicated operation of deploying supports, and difficulty in quickly deploying and positioning them. Moreover, when the barriers are deployed, the two sides tend to move towards the center. Utility Model Content
[0004] The purpose of this utility model is to overcome the above-mentioned problems existing in the prior art and to provide a quick-erecting and portable enclosure.
[0005] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:
[0006] A quick-erecting, portable fencing, comprising:
[0007] Two sets of folding brackets are arranged symmetrically. Each folding bracket includes two uprights and three support tubes. The uprights and support tubes at the bottom of the folding bracket are connected by a quick-folding self-locking mechanism, and adjacent uprights are connected by the quick-folding self-locking mechanism.
[0008] A fencing fabric, wherein the two sides of the fencing fabric are sewn together to form fabric sleeves, and the fabric sleeves are fitted onto the riser;
[0009] When the quick-erect portable fencing is unfolded, one of the support tubes in each set of folding brackets is located below the fencing fabric.
[0010] Among them, a set of quick-folding self-locking mechanisms is also installed at the bottom end of the support riser located below the enclosure cloth.
[0011] The quick-folding self-locking mechanism includes a first connecting member, a second connecting member, a hinge shaft, a limiting pin, an operating member, and a tension spring. The head of the first connecting member is hinged to the head of the second connecting member. The limiting pin is rotatably mounted on the head of the operating member. A pair of strip holes are provided in the middle of the second connecting member, and the limiting pin is slidably mounted in the strip holes. The two ends of the tension spring are hooked onto the hinge shaft and the limiting pin, respectively. The head of the first connecting member is provided with three pairs of sequentially arranged first limiting slots, second limiting slots, and third limiting slots. The limiting pin engages with any one of the first, second, and third limiting slots.
[0012] The hinge shaft is equidistant from the first, second, and third limiting slots. The center lines of the first, third, and hinge shafts are located on the same plane. The plane containing the center lines of the first and third limiting slots is perpendicular to the plane containing the center lines of the second and hinge shafts.
[0013] The second connector also has an arc-shaped guide surface in the middle, and the operating component slides in cooperation with the guide surface.
[0014] The length of the support pipe is less than the length of the riser pipe.
[0015] The enclosure fabric has several evenly distributed V-shaped ventilation openings.
[0016] The length of the fencing fabric is 4 meters and the height of the fencing fabric is 2 meters.
[0017] The beneficial effects of this utility model are as follows: A quick-folding self-locking mechanism is used to connect the uprights and support pipes to form a folding bracket. Fabric sleeves are sewn together on both sides of the fencing fabric to form sleeves. The fencing fabric is then installed on the folding bracket by fitting the sleeves onto the uprights. The folding bracket can be folded or unfolded by operating the quick-folding self-locking mechanism. The fencing fabric can then be rolled up or tightened, facilitating quick folding and unfolding of the portable fencing by workers. When the portable fencing is unfolded, one support pipe in each folding bracket group is positioned below the fencing fabric to prevent the folding bracket from converging towards the center under the tension of the fencing fabric. Attached Figure Description
[0018] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0019] Figure 1This is a structural schematic diagram of the quick-erecting portable enclosure in the unfolded state of this utility model;
[0020] Figure 2 This is a schematic diagram of the unfolded state of the folding bracket in this utility model;
[0021] Figure 3 This is a schematic diagram of the folding bracket in its folded state according to this utility model;
[0022] Figure 4 This is a schematic diagram of the quick-folding self-locking mechanism in the fully folded state of this utility model;
[0023] Figure 5 This is a schematic diagram of the structure of the quick-folding self-locking mechanism in this utility model, in which the first connecting member and the second connecting member are at a 90° angle.
[0024] Figure 6 This is a structural schematic diagram of the quick-folding self-locking mechanism in the fully unfolded state of this utility model;
[0025] Figure 7 This is a schematic diagram of the structure of the first connecting member in this utility model;
[0026] Figure 8 This is a schematic diagram of the structure of the second connecting member in this utility model;
[0027] Figure 9 This is a structural schematic diagram of the unfolded state of the enclosure cloth in this utility model;
[0028] The following are the labels in the diagram: 1. Folding bracket; 2. Vertical tube; 3. Support tube; 4. Quick folding self-locking mechanism; 41. First connecting piece; 411. First limiting slot; 412. Second limiting slot; 413. Third limiting slot; 42. Second connecting piece; 421. Strip hole; 422. Guide surface; 43. Hinge shaft; 44. Limiting shaft; 45. Operating piece; 46. Tension spring; 5. Enclosure cloth; 51. Cloth sleeve; 52. V-shaped ventilation opening. Detailed Implementation
[0029] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0030] like Figures 1 to 9 As shown, a quick-erecting portable enclosure includes two sets of folding brackets 1 and enclosure fabric 5.
[0031] Two sets of folding brackets 1 are arranged symmetrically. The folding bracket 1 includes two uprights 2 and three support tubes 3. The length of the support tubes 3 is less than the length of the uprights 2. The uprights 2 at the bottom of the folding bracket 1 are connected to the support tubes 3 by a quick-folding self-locking mechanism 4. Adjacent uprights 2 are connected by a quick-folding self-locking mechanism 4.
[0032] The quick-folding self-locking mechanism 4 includes a first connecting member 41, a second connecting member 42, a hinge shaft 43, a limiting pin 44, an operating member 45, and a tension spring 46. The head of the first connecting member 41 is hinged to the head of the second connecting member 42. The limiting pin 44 is rotatably mounted on the head of the operating member 45. A pair of strip holes 421 are provided in the middle of the second connecting member 42, and the limiting pin 44 is slidably mounted in the strip holes 421. The two ends of the tension spring 46 are hooked onto the hinge shaft 43 and the limiting pin 44, respectively. The head of the first connecting member 41 is provided with three pairs of first limiting slots 411, second limiting slots 412, and third limiting slots 413 arranged in sequence. The limiting pin 44 engages with any one of the first limiting slots 411, second limiting slots 412, and third limiting slots 413.
[0033] The first connector 41 is installed on the riser 2 or the support pipe 3 with rivets, and the second connector 42 is installed on the riser 2 or the support pipe 3 with rivets.
[0034] The hinge shaft 43 is equidistant from the first limiting slot 411, the second limiting slot 412, and the third limiting slot 413. The center lines of the first limiting slot 411, the third limiting slot 413, and the hinge shaft 43 are located on the same plane. The plane containing the center lines of the first limiting slot 411 and the third limiting slot 413 is perpendicular to the plane containing the center lines of the second limiting slot 412 and the hinge shaft 43.
[0035] The second connector 42 is also provided with an arc-shaped guide surface 422 in the middle, and the operating component 45 slides in cooperation with the guide surface 422.
[0036] When the folding bracket 1 is folded or unfolded, the operating member 45 is pressed along the guide surface 422 toward the tail of the second connector 42 with a finger, so that the limiting pin 44 is separated from the first limiting slot 411, the second limiting slot 412, and the third limiting slot 413. Then, the operating member 45 and the second connector 42 are flipped together to adjust the positional relationship between the second connector 42 and the first connector.
[0037] When the second connector 42 overlaps with the first connector 41, the limiting pin 44 is engaged in the first limiting slot 411, so that the quick folding self-locking mechanism 4 is in a fully folded state, that is, the folding bracket 1 can be fully folded.
[0038] When the second connector 42 is perpendicular to the first connector 41, the limiting pin 44 is engaged in the second limiting slot 412, so that the first connector and the second connector are at a 90° angle, which makes the support pipe 3 perpendicular to the riser 2.
[0039] When the second connector 42 and the first connector 41 are in the same straight line, the limiting pin 44 is engaged in the third limiting slot 413, so that the quick folding self-locking mechanism 4 is in the fully unfolded state, which enables the two uprights 2 to be coaxial.
[0040] The two sides of the enclosure fabric 5 are sewn together to form fabric sleeves 51, which are then fitted onto the riser 2.
[0041] When the quick-erect portable fencing is unfolded, one support tube 3 in each set of folding brackets 1 is located below the fencing cloth 5 to prevent the folding brackets from moving towards the center from both sides under the tension of the fencing cloth.
[0042] When the quick-erecting portable enclosure is unfolded, the two uprights 2 in each set of folding brackets 1 are coaxial, and the three support tubes 3 in each set of folding brackets 1 are perpendicular to the uprights 2.
[0043] A quick-folding self-locking mechanism 4 is also installed at the bottom of the support riser 2 located below the fencing fabric 5. The quick-folding self-locking mechanism 4 is used to raise the support riser 2 located below the fencing fabric 5, so that the folding bracket 1 tilts away from the center of the fencing fabric 5, further tightening the fencing fabric and further preventing the folding bracket from moving towards the center on both sides under the tension of the fencing fabric.
[0044] In this embodiment, the enclosure fabric 5 has several evenly distributed V-shaped ventilation openings 52. The V-shaped ventilation openings 52 reduce the wind resistance of the enclosure fabric and further prevent the folding bracket from moving towards the center from both sides under the tension of the enclosure fabric.
[0045] In this embodiment, the length of the fencing fabric 5 is 4 meters and the height of the fencing fabric 5 is 2 meters.
[0046] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A quick erect portable enclosure characterized by, The quick-setup portable enclosure includes: Two sets of folding brackets are arranged symmetrically. Each folding bracket includes two uprights and three support tubes. The uprights and support tubes at the bottom of the folding bracket are connected by a quick-folding self-locking mechanism, and adjacent uprights are connected by the quick-folding self-locking mechanism. A fencing fabric, wherein the two sides of the fencing fabric are sewn together to form fabric sleeves, and the fabric sleeves are fitted onto the riser; When the quick-erect portable fencing is unfolded, one of the support tubes in each set of folding brackets is located below the fencing fabric.
2. The quick-erecting portable fencing according to claim 1, characterized in that: A quick-folding self-locking mechanism is also installed at the bottom end of the support riser located below the enclosure fabric.
3. The quick erect portable enclosure of claim 1 or 2, wherein: The quick-folding self-locking mechanism includes a first connector, a second connector, a hinge shaft, a limiting pin, an operating component, and a tension spring. The head of the first connector is hinged to the head of the second connector. The limiting pin is rotatably mounted on the head of the operating component. A pair of strip holes are provided in the middle of the second connector, and the limiting pin is slidably mounted in the strip holes. The two ends of the tension spring are hooked onto the hinge shaft and the limiting pin, respectively. The head of the first connector is provided with three pairs of sequentially arranged first limiting slots, second limiting slots, and third limiting slots. The limiting pin engages with any one of the first, second, and third limiting slots.
4. The quick erect portable enclosure of claim 3, wherein: The hinge shaft is equidistant from the first, second, and third limiting slots. The center lines of the first, third, and hinge shafts are located on the same plane. The plane containing the center lines of the first and third limiting slots is perpendicular to the plane containing the center lines of the second and hinge shafts.
5. The quick erect portable enclosure of claim 3, wherein: The second connector also has an arc-shaped guide surface in the middle, and the operating component slides in cooperation with the guide surface.
6. The quick erect portable enclosure of claim 1, wherein: The length of the support pipe is less than the length of the riser pipe.
7. The quick erect portable enclosure of claim 1, wherein: The fencing fabric has several evenly distributed V-shaped ventilation openings.
8. The quick-erecting portable fencing according to claim 1, characterized in that: The length of the fencing fabric is 4 meters and the height of the fencing fabric is 2 meters.