Fence module and fence
By designing a locking mechanism that adapts the lock and lock ears of the fence module, the problems of loosening, displacement and damage of existing telescopic fences are solved, the stability and safety of the fence are improved, and maintenance costs are reduced.
Patent Information
- Application Number
- CN202511075776.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-01
- Publication Date
- 2025-09-16
AI Technical Summary
Existing telescopic fences can become loose and displaced because workers can walk through them at will, increasing the risk of accidents. In addition, the telescopic rods are easily damaged and need to be replaced as a whole, resulting in waste of resources and increased costs.
A fence module is designed, including a first upright pole, a second upright pole, a telescopic connecting rod mechanism, a lock, a lock ear and a key. Through the adaptive locking of the lock and the lock ear and the unlocking mechanism of a special key, unauthorized personnel are prevented from passing through at will, thereby enhancing the stability and anti-displacement ability of the fence.
The fence length can be flexibly adjusted and stably fixed to prevent people from passing through at will, thereby improving safety and standardization of the working area and reducing maintenance costs and resource waste.
Smart Images

Figure CN120649724A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electric power safety protection equipment, and in particular to a fence module and a fence. Background Art
[0002] Retractable fencing is a temporary system used to demarcate and isolate areas. It's widely used in the maintenance, inspection, and protection of power equipment. It features automatic expansion and contraction, adjustable length, strong corrosion resistance, and high safety. Its flexible design and adjustable length make it suitable for a variety of scenarios, including power substations, transmission lines, power plants, and hydropower stations. In these locations, retractable fencing effectively isolates and protects, providing safer and more convenient support for power operations.
[0003] However, existing fences present numerous problems during daily operations. For example, personnel frequently move through the fences during operations, which can cause the fences to loosen and shift, increasing the risk of accidents. Furthermore, existing telescopic fences are prone to damage, and once damaged, they cannot be repaired and must be replaced entirely, resulting in wasted resources and increased costs. Summary of the Invention
[0004] The purpose of the present invention is to provide a fence module and fence, aiming to solve the technical problems of existing telescopic fences, such as the loosening and displacement of fences caused by workers being able to pass through them at will, increasing the risk of accidents, and the need for the entire fence to be replaced due to damage to the telescopic rods.
[0005] In order to solve the above problems, according to one aspect of the present application, an embodiment of the present invention provides a fence module, which includes a first upright pole, a second upright pole, a telescopic linkage mechanism, a lock, a lock ear and a key, and the telescopic linkage mechanism is arranged between the first upright pole and the second upright pole; the lock is arranged on the side of the first upright pole away from the second upright pole, and the lock ear is arranged on the side of the second upright pole away from the first upright pole, the lock and the lock ear can be adapted to lock, and the key can unlock the lock and the lock ear.
[0006] In some embodiments, the lock includes a lock shell, a stop block and a lock tongue. The lock shell and the stop block are spaced apart along the length direction of the first vertical rod. The lock shell has a guide groove extending along the telescopic direction. The lock tongue is arranged in the guide groove. The key can drive the lock tongue close to or away from the stop block.
[0007] In some embodiments, the lock also includes a driving gear rotatably placed in the guide groove, and the end of the lock tongue away from the stop block is constructed with a rack extending along the telescopic direction, the driving gear is engaged with the rack, and the driving gear has a lock hole, and the key is inserted in the lock hole to drive the driving gear to rotate when it is rotated.
[0008] In some embodiments, the lock further includes an elastic member, which is connected to both the lock tongue and the lock housing to drive the lock tongue to move toward the direction close to the stop block, and the driving gear is a ratchet mechanism, so that when the driving gear rotates, it drives the lock tongue to move toward the direction away from the stop block.
[0009] In some embodiments, a guide column is provided at one end of the rack away from the lock tongue, the lock housing has a guide hole extending along the telescopic direction, the guide hole is connected to the guide groove, the guide column is inserted into the guide hole, and the elastic member is sleeved on the guide column.
[0010] In some embodiments, the fence module further includes a base, the base being arranged on a side of the first upright pole away from the second upright pole and located at an end of the lock housing close to the stop block, the base being provided with a first through hole for the lock tongue to pass through; and / or,
[0011] The stop block has a second through hole for the lock tongue to pass through; and / or,
[0012] The lock housing has an inserting through hole, and the inserting through hole is arranged opposite to the lock hole.
[0013] In some embodiments, the locking ear is rotatably disposed on a side of the second vertical pole facing away from the first vertical pole; and / or,
[0014] The lock ear is provided with a locking hole for the lock tongue to pass through.
[0015] In some embodiments, the telescopic linkage mechanism includes two link chains, each link chain including at least two links hinged in sequence at the first position, and the middle portions of corresponding links in the two link chains are hinged;
[0016] One end of any one of the connecting rod chains is hinged to the first vertical pole, and the other end is hinged to the second vertical pole;
[0017] One end of the other connecting rod chain is slidably arranged on the first vertical rod along the length direction of the first vertical rod, and the other end is slidably arranged on the second vertical rod along the length direction of the second vertical rod.
[0018] In some embodiments, a retractable belt and a holder are provided on both the first upright pole and the second upright pole. The protruding end of the retractable belt has a T-shaped hook, and the holder is configured with a T-shaped slot adapted to the T-shaped hook.
[0019] According to another aspect of the present application, an embodiment of the present invention further provides a fence, which includes the fence module described above.
[0020] Compared with the prior art, the fence module of the present invention has at least the following beneficial effects:
[0021] The present invention discloses a fence module and a fence. The fence module includes a first upright, a second upright, a telescopic linkage, a lock, a lock lug, and a key. The telescopic linkage is disposed between the first and second uprights. The lock is disposed on the side of the first upright facing away from the second upright, and the lock lug is disposed on the side of the second upright facing away from the first upright. The lock and the lock lug can be adapted to lock. This modular design of the fence supports flexible splicing of fence lengths to adapt to different operating scenarios. A key can unlock the lock and the lock lug, preventing unauthorized personnel from passing through freely through a dedicated key unlocking mechanism, thereby improving safety. The telescopic linkage enhances the stability and anti-displacement capability of the fence.
[0022] The fence module of the present invention allows for flexible adjustment of fence length to suit different work scenarios. Once secured, it locks securely, preventing unlocking without a dedicated key, effectively restricting unauthorized movement. The complete system, consisting of a primary fence and a secondary fence, enhances safety and efficiency, ensuring both personnel safety and the compliance of the work area.
[0023] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0025] Figure 1 A schematic structural diagram of a fence module provided in an embodiment of the present invention;
[0026] Figure 2 A schematic diagram of the exploded structure of a fence module provided in an embodiment of the present invention;
[0027] Figure 3A schematic diagram of the coordinated structure of the lock tongue, drive gear, rack, elastic member, and guide post of the fence module provided in an embodiment of the present invention;
[0028] Figure 4 A schematic structural diagram of the telescopic belt of the fence module provided in an embodiment of the present invention;
[0029] Figure 5 A schematic structural diagram of a holder of a fence module provided in an embodiment of the present invention.
[0030] Description of reference numerals:
[0031] 1. First vertical pole; 11. Slide groove;
[0032] 2. The second vertical pole;
[0033] 31. Lock housing; 311. Guide groove; 312. Guide hole; 313. Insertion hole; 32. Stop block; 321. Second hole; 33. Lock tongue; 34. Drive gear; 341. Lock hole; 35. Rack; 36. Elastic member; 37. Guide post;
[0034] 4. Locking ear; 41. Locking hole;
[0035] 51, connecting rod; 511, slider;
[0036] 61. Retractable belt; 611. T-shaped hook; 62. Card holder; 621. T-shaped slot;
[0037] 7. Base; 71. First via. DETAILED DESCRIPTION
[0038] To further illustrate the technical means and effects employed by the present invention to achieve its intended objectives, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention is provided in conjunction with the accompanying drawings and preferred embodiments. In the following description, different references to "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
[0039] In the description of the present invention, it should be clarified that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence; the terms "vertical", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, and do not mean that the devices or elements referred to must have a specific direction or position, and therefore cannot be understood as limiting the present invention.
[0040] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.
[0041] Example 1
[0042] like Figure 1-Figure 5 As shown, an embodiment of the present invention provides a fence module, which includes a first upright pole 1, a second upright pole 2, a telescopic connecting rod mechanism, a lock, a lock ear 4 and a key, wherein the telescopic connecting rod mechanism is arranged between the first upright pole 1 and the second upright pole 2; the lock is arranged on the side of the first upright pole 1 away from the second upright pole 2, and the lock ear 4 is arranged on the side of the second upright pole 2 away from the first upright pole 1, the lock and the lock ear 4 can be adapted to lock, and the key can unlock the lock and the lock ear 4.
[0043] The fence module of this embodiment includes a first upright 1, a second upright 2, a telescopic linkage, a lock, a lock lug 4, and a key. The telescopic linkage is disposed between the first upright 1 and the second upright 2; the lock is disposed on the side of the first upright 1 facing away from the second upright 2, and the lock lug 4 is disposed on the side of the second upright 2 facing away from the first upright 1. The lock and the lock lug 4 are adapted to lock together. This structure enables the modular design of the fence to support flexible splicing of fence lengths and adapt to different operating scenarios. The key can unlock the lock and the lock lug 4, preventing unauthorized personnel from passing through at will through a dedicated key unlocking mechanism, thereby improving safety. The telescopic linkage enhances the stability and anti-displacement capability of the fence.
[0044] The fence module of the present invention allows for flexible adjustment of fence length to suit different work scenarios. Once secured, it locks securely, preventing unlocking without a dedicated key, effectively restricting unauthorized movement. The complete system, consisting of a primary fence and a secondary fence, enhances safety and efficiency, ensuring both personnel safety and the compliance of the work area.
[0045] Rollers may be provided at the bottom of the first upright pole 1 and the second upright pole 2 .
[0046] In some embodiments, the lock includes a lock shell 31, a stop block 32 and a lock tongue 33. The lock shell 31 and the stop block 32 are spaced apart along the length direction of the first vertical pole 1. The lock shell 31 has a guide groove 311 extending along the telescopic direction. The lock tongue 33 is arranged in the guide groove 311. The key can drive the lock tongue 33 close to or away from the stop block 32.
[0047] In this embodiment, the design of the guide groove 311 ensures the accuracy of the movement of the lock tongue 33 to avoid jamming; the stop block 32 limits the travel of the lock tongue 33 to prevent excessive displacement from causing structural damage.
[0048] The lock tongue 33 can adopt a bidirectional locking structure to adapt to lock ears 4 at different angles.
[0049] The inner wall of the guide groove 311 can be coated with a wear-resistant coating to reduce friction loss;
[0050] A pressure sensor may be provided at the end of the lock tongue 33 to detect the locking state and feed back to the remote monitoring system.
[0051] In some embodiments, the lock also includes a driving gear 34 rotatably placed in the guide groove 311, and the end of the lock tongue 33 away from the stop block 32 is constructed with a rack 35 extending along the telescopic direction, and the driving gear 34 is engaged with the rack 35. The driving gear 34 has a lock hole 341, and the key is inserted in the lock hole 341 to drive the driving gear 34 to rotate when rotating.
[0052] In this embodiment, since the driving gear 34 is engaged with the rack 35 connected to the lock tongue 33, the key can be inserted into the lock hole 341 to drive the driving gear 34 to rotate and then drive the lock tongue 33 to move. The transmission between the driving gear 34 and the rack 35 improves the mechanical efficiency of the operation of the lock tongue 33; the design of inserting the key into the lock hole 341 simplifies the unlocking process.
[0053] The driving gear 34 can be made of stainless steel, which is corrosion-resistant and has a long service life; the lock hole 341 is built with a silicone dust cover, and the dust cover has a cross cut, which can prevent foreign matter from entering and affecting the movement of the gear.
[0054] In some embodiments, the lock further includes an elastic member 36, which is connected to both the lock tongue 33 and the lock housing 31 to drive the lock tongue 33 to move toward the direction close to the stop block 32, and the drive gear 34 is a ratchet mechanism so that when the drive gear 34 rotates, it drives the lock tongue 33 to move toward the direction away from the stop block 32.
[0055] In this embodiment, the lock tongue 33 is driven to reset by the elastic member 36. The elastic member ensures that the lock tongue automatically resets, thereby improving the locking reliability. The driving gear 34 is designed as a ratchet mechanism, which prevents reverse rotation from causing accidental unlocking.
[0056] The elastic member 36 is a coil spring, and its elastic coefficient is adapted to the weight of the lock tongue 33; a lubrication groove is provided on the surface of the ratchet mechanism to reduce wear.
[0057] In some embodiments, a guide column 37 is provided at one end of the rack 35 away from the lock tongue 33, and the lock housing 31 has a guide hole 312 extending along the telescopic direction, the guide hole 312 is connected to the guide groove 311, the guide column 37 is inserted into the guide hole 312, and the elastic member 36 is sleeved on the guide column 37.
[0058] In this embodiment, the guide post 37 cooperates with the guide hole 312 to ensure the linear movement of the lock tongue 33 and avoid deflection. The elastic member 36 is sleeved on the guide post 37. The elastic member is accurately positioned to improve the reset efficiency.
[0059] The guide column 37 can be made of polytetrafluoroethylene to reduce friction resistance; the inner wall of the guide hole 312 can be provided with a sealing ring to prevent dust from entering.
[0060] In some embodiments, the fence module further includes a base 7, which is arranged on the side of the first upright 1 away from the second upright 2 and located at an end of the lock housing 31 close to the stop block 32, and the base 7 is provided with a first through hole 71 for the lock tongue 33 to pass through; and / or,
[0061] The stop block 32 has a second through hole 321 for the locking tongue 33 to pass through; and / or,
[0062] The lock housing 31 has an inserting through hole 313 , and the inserting through hole 313 is arranged opposite to the locking hole 341 .
[0063] In this embodiment, the base 7, stop block 32, and lock housing 31 are each provided with a first through-hole 71, a second through-hole 321, and an insertion through-hole 313 for the lock tongue 33 to pass through. The design of the first through-hole 71, the second through-hole 321, and the insertion through-hole 313 improves the precision and stability of the lock tongue 33's insertion; the base 7 also enhances the overall structural strength of the lock.
[0064] The base 7 is connected to the first upright 1 by bolts, which supports quick disassembly and maintenance; the edges of the first through hole 71, the second through hole 321 and the insertion through hole 313 are chamfered to prevent the lock tongue 33 from being worn.
[0065] In some embodiments, the locking ear 4 is rotatably disposed on a side of the second upright pole 2 facing away from the first upright pole 1; and / or,
[0066] The locking ear 4 has a locking hole 41 for the locking tongue 33 to pass through.
[0067] In this embodiment, the locking ear 4 can be rotated to adapt to different locking angles, and the locking hole 41 is provided to simplify the insertion process of the locking tongue 33.
[0068] The rotation angle range of the lock ear 4 is 0°-180°, supporting multi-directional locking; the inner wall of the locking hole 41 is provided with a rubber bushing to enhance the fixing friction of the lock tongue 33.
[0069] In some embodiments, the telescopic linkage mechanism includes two linkage chains, each of which includes at least two linkages 51 hinged in sequence at the first position, and the middle portions of the corresponding linkages 51 in the two linkage chains are hinged;
[0070] One end of any one of the connecting rod chains is hinged to the first vertical pole 1, and the other end is hinged to the second vertical pole 2;
[0071] One end of the other connecting rod chain is slidably arranged on the first upright pole 1 along the length direction of the first upright pole 1, and the other end is slidably arranged on the second upright pole 2 along the length direction of the second upright pole 2. Specifically, the sliding can be achieved by cooperating with the sliding groove 11 and the slider 511.
[0072] In this embodiment, the telescopic linkage adopts a double link chain to improve telescopic stability and anti-torsion ability. The sliding design enables infinite adjustment of the fence length.
[0073] The surface of the connecting rod 51 is sprayed with an anti-rust coating to adapt to humid environments; the sliding track has built-in ball bearings to reduce friction noise.
[0074] In some embodiments, the first upright pole 1 and the second upright pole 2 are both provided with a retractable belt 61 and a holder 62 . The protruding end of the retractable belt 61 has a T-shaped hook 611 , and the holder 62 is constructed with a T-shaped slot 621 adapted to the T-shaped hook 611 .
[0075] In this embodiment, the T-shaped hook 611 is quickly connected to the T-shaped slot 621 to simplify the fence splicing operation; the retractable belt 61 provides additional fixed support to prevent the fence from tipping over. At the same time, the retractable belt 61 can also have safety signs such as crossing / stop danger to provide safety reminders.
[0076] The retractable belt may be made of nylon braided belt with a tensile strength of ≥500N. A locking button may be provided on the card holder 62 to prevent the T-shaped hook 611 and the T-shaped slot 621 from accidentally falling out.
[0077] Example 2
[0078] An embodiment of the present invention further provides a fence, which includes the fence module described in Example 1.
[0079] The fence modules of the present invention are flexible to combine and are suitable for complex terrains and large operating areas;
[0080] Modular design reduces maintenance costs, and damaged parts can be replaced individually.
[0081] Fence modules can be interconnected via wireless communication, enabling real-time monitoring of overall locking status. A solar-powered warning light can be integrated into the top of the fence, automatically illuminating during nighttime operations. Both the first and second poles can have built-in GPS positioning modules, allowing real-time upload of fence location information to a management platform, supporting electronic fence mapping.
[0082] The key may have a built-in RFID chip that matches the identifier in the keyhole 341 , so that only the authorized key can trigger the drive gear 34 to rotate.
[0083] The purpose of this invention is to provide a modular fixed fence that is quick to use, lightweight, and provides reliable protection. This device can be mounted directly on a wall, effectively preventing people from crossing over, meeting the safety requirements of power plants to isolate equipment and prevent access to hazardous areas, while also facilitating unified management and maintenance.
[0084] The technical solution of the present invention specifically includes the following aspects:
[0085] The design of the present invention overcomes the problem that traditional temporary movable guardrails are not firmly fixed and are not suitable for long-term fixed isolation. The two sets of locking rings and lock tongues are changed from circular to hexagonal, achieving the goal of being unable to unlock and move without a special key after being fixed, thereby ensuring the safety and standardization of the work area.
[0086] The components of the present invention can be made of ABS material, which has high strength, light weight and good corrosion resistance, so that the modular fixed fence can adapt to the harsh working environment of power plant industry and other sites, while improving its durability and stability.
[0087] The locking mechanism of the present invention is simple and effective. The lock tongue 33 can be a hexagonal lock tongue, and the locking hole 41 can be a six-locking hole. By utilizing the cooperation of the six-locking holes and the hexagonal lock tongue, stable locking of the modular fixed fence can be achieved. The key can be a hexagonal wrench, and the lock hole 341 can be a hexagonal lock hole. The cooperation between the hexagonal wrench and the hexagonal lock hole can avoid misoperation.
[0088] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.
[0089] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.
Claims
1. A fence module, characterized in that: The fence module comprises a first vertical pole (1), a second vertical pole (2), a telescopic connecting rod mechanism, a lock, a lock ear (4) and a key, wherein the telescopic connecting rod mechanism is arranged between the first vertical pole (1) and the second vertical pole (2); the lock is arranged on a side of the first vertical pole (1) facing away from the second vertical pole (2); the lock ear (4) is arranged on a side of the second vertical pole (2) facing away from the first vertical pole (1); the lock and the lock ear (4) can be adapted to be locked, and the key can unlock the lock and the lock ear (4).
2. The fence module according to claim 1, characterized in that The lock comprises a lock housing (31), a stop block (32) and a lock tongue (33); the lock housing (31) and the stop block (32) are spaced apart along the length direction of the first vertical rod (1); the lock housing (31) has a guide groove (311) extending along the telescopic direction; the lock tongue (33) is arranged in the guide groove (311); and the key can drive the lock tongue (33) to move closer to or away from the stop block (32).
3. The fence module according to claim 2, characterized in that: The lock further comprises a driving gear (34) rotatably placed in the guide groove (311); an end of the lock tongue (33) away from the stop block (32) is configured with a rack (35) extending in the telescopic direction; the driving gear (34) is engaged with the rack (35); the driving gear (34) has a lock hole (341); the key is inserted into the lock hole (341) to drive the driving gear (34) to rotate when the key is rotated.
4. The fence module according to claim 3, characterized in that The lock further comprises an elastic member (36), wherein the elastic member (36) is connected to both the lock tongue (33) and the lock housing (31) to drive the lock tongue (33) to move toward the direction approaching the stop block (32), and the driving gear (34) is a ratchet mechanism, so that when the driving gear (34) is rotated, it drives the lock tongue (33) to move toward the direction away from the stop block (32).
5. The fence module according to claim 4, characterized in that: A guide column (37) is provided at one end of the rack (35) away from the lock tongue (33); the lock housing (31) has a guide hole (312) extending along the telescopic direction; the guide hole (312) is communicated with the guide groove (311); the guide column (37) is inserted into the guide hole (312); and the elastic member (36) is sleeved on the guide column (37).
6. The fence module according to claim 2, characterized in that: The fence module further comprises a base (7), the base (7) being arranged on a side of the first upright pole (1) facing away from the second upright pole (2) and being located at an end of the lock housing (31) close to the stop block (32), the base (7) being provided with a first through hole (71) for the lock tongue (33) to pass through; and / or, The stop block (32) has a second through hole (321) for the locking tongue (33) to pass through; and / or, The lock housing (31) has an inserting through hole (313), and the inserting through hole (313) is arranged opposite to the lock hole (341).
7. The fence module according to claim 2, characterized in that: The locking ear (4) is rotatably arranged on a side of the second vertical pole (2) facing away from the first vertical pole (1); and / or, The lock ear (4) has a locking hole (41) for the lock tongue (33) to pass through.
8. The fence module according to claim 3, characterized in that: The telescopic link mechanism comprises two link chains, wherein the link chains comprise at least two links (51) hinged in sequence at the first position, and the middle portions of the corresponding links (51) in the two link chains are hinged; One end of any one of the connecting rod chains is hinged to the first vertical rod (1), and the other end is hinged to the second vertical rod (2); One end of the other connecting rod chain is slidably arranged on the first vertical rod (1) along the length direction of the first vertical rod (1), and the other end is slidably arranged on the second vertical rod (2) along the length direction of the second vertical rod (2).
9. The fence module according to claim 1, characterized in that: The first vertical pole (1) and the second vertical pole (2) are both provided with a telescopic belt (61) and a clamping seat (62); the extended end of the telescopic belt (61) has a T-shaped hook (611); and the clamping seat (62) is constructed with a T-shaped slot (621) adapted to the T-shaped hook (611).
10. A fence, characterized in that: The fence comprises the fence module according to any one of claims 1-9.