Fireproof system of knife switch type rail breaking mechanism
By designing a gate-type rail-breaking mechanism fire protection system, including a movable door assembly, a gate assembly, a release mechanism, a locking mechanism, a toggle mechanism, and a control system, the problems of impact damage and poor sealing of fire doors in fire protection systems are solved, thereby extending service life and improving sealing performance.
Patent Information
- Application Number
- CN202520347684.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing fire protection systems, baffles are easily damaged when closing and opening, and the sealing effect of the baffles is poor, making it impossible to effectively block smoke.
Design a fireproof system for a gate-type rail-breaking mechanism, including a movable door assembly, a gate assembly, a release mechanism, a locking mechanism, a release mechanism, a locking mechanism, a locking mechanism, a locking mechanism, a toggle mechanism, and a control system. The toggle mechanism and transmission mechanism prevent the fire door from hitting the toggle mechanism, a lever structure is used to reduce the driving force, and an inclined sealing strip is set to improve the sealing effect.
Extends the service life of the rail breakage mechanism, improves the sealing effect, and prevents the spread of smoke.
Smart Images

Figure CN223935712U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of rail logistics systems, specifically relating to a fireproof system for a gate-type rail breaking mechanism. Background Technology
[0002] The hospital's rail-based logistics delivery system utilizes intelligent railcars to transport medicines, samples, instruments, and documents to the required wards, operating rooms, and other departments via a rail system. This replaces the traditional method of manually loading items onto carts, taking them to the required floors via elevators, and then pushing the carts to the respective departments for distribution. The rail cutter is a device used to interrupt the rail path and prevent the carts from moving on the rails.
[0003] Patent application CN217262788U discloses a rail-breaking gate mechanism and its fireproof system, including a mounting base, a lever, a transmission mechanism, a release mechanism, and a partition. After the lever moves, it triggers the release mechanism to open via the transmission mechanism. A notch is provided in the middle of the track to accommodate the partition. After the partition falls, it temporarily blocks and seals the middle groove of the track. The lever is in the movement path of the partition. In the initial state, the lever is vertical and stationary, and the upper end of the partition is held by the U-shaped opening of the third connecting rod. In the triggered state, the lever is struck by the partition, the third connecting rod is released and its opening moves downward, and the partition is lowered. When the partition reopens, the lever causes the suspended end of the lever to tilt upward, without pressing the second connecting rod.
[0004] In the aforementioned fire protection system, the baffles require an impact lever to close and open. However, the impact when the baffle is open is ineffective and exacerbates the wear between the two, which can easily damage the rail-breaking mechanism. In addition, the sealing effect on both sides after the baffle falls into the groove is limited, and it cannot effectively block smoke. Utility Model Content
[0005] In view of the shortcomings of the existing technology, this utility model proposes a fireproof system for a gate-type rail-breaking mechanism. When the fire door is opened, it is not easy to hit the actuating component, which can extend the service life of the rail-breaking mechanism.
[0006] To solve the above-mentioned technical problems, this utility model provides a fireproof system for a gate-type rail-breaking mechanism, comprising:
[0007] A movable door assembly includes a door frame and a fire door, wherein one side of the fire door is rotatably connected to the door frame;
[0008] The track extends through the upper end of the door frame and is slidably connected to the upper edge of the fire door at its bottom.
[0009] A gate assembly includes a gate that can move up and down, and a gate opening adapted to the gate is provided on the track;
[0010] The release mechanism includes a mounting base, a hook, and a first elastic element. The mounting base is located in front of the gate, the hook is rotatably connected to the mounting base, the upper end of the gate is suspended on one side of the hook, the first elastic element is located on the other side of the hook, and is used to give one side of the hook a downward rotational force. The bottom of the hook is provided with a protrusion.
[0011] The locking mechanism includes a buckle and a second elastic element. The buckle is located below the hook and one end is rotatably connected to the mounting base. The buckle has a stepped structure in the middle. When the protrusion and the stepped structure are engaged, it can prevent one side of the hook from rotating downward. The second elastic element is located at the other end of the buckle and is used to give the buckle a force that abuts against the hook.
[0012] A toggle mechanism includes a toggle component and a transmission mechanism. The toggle component is rotatably mounted on the track, with one end extending vertically below the track and the other end rotatably connected to the other end of the buckle via the transmission mechanism.
[0013] The control system is used to control the opening or closing of the fire door. During the process of rotating and closing the fire door, when the upper edge of the fire door touches and drives one end of the actuating component to rotate counterclockwise, the latch separates from the hook. When the upper edge of the fire door separates from one end of the actuating component, one end of the actuating component can rotate clockwise to the bottom of the track.
[0014] Preferably, in the above scheme, the actuating assembly includes a fixed base, a lever, a longitudinal rod, and a secondary rod. The fixed base is horizontally disposed on the track and located in front of the mounting base. The longitudinal rod is rotatably connected to the fixed base. The lever is located outside the track and vertically disposed at one end of the longitudinal rod. The secondary rod is vertically disposed at the other end of the longitudinal rod. One end of the transmission mechanism is rotatably connected to the secondary rod, and the other end is rotatably connected to the other end of the buckle. When the buckle engages with the hook, the lever extends vertically below the track. When the buckle separates from the hook, the lever rotates to the top of the bottom of the track.
[0015] Preferably, in the above scheme, the transmission mechanism includes a first connecting rod, a second connecting rod, and a third connecting rod. The upper end of the first connecting rod is hinged to the other end of the buckle, and the lower end is hinged to the upper end of the second connecting rod. The upper end of the second connecting rod is also hinged to one end of the third connecting rod. The lower end of the second connecting rod is rotatably connected to the mounting base, and the other end of the third connecting rod is hinged to the auxiliary rod.
[0016] Preferably, in the above scheme, the actuating mechanism further includes a third elastic element. The lower end of the third elastic element is fixed to the bottom of the mounting base, and the upper end is connected to the second connecting rod. When the buckle is engaged with the hook, the lever remains in a vertically downward state.
[0017] Preferably, in the above scheme, the lower part of the track is grooved and the upper part is planar. The track path is located in the groove, and the gate passes through the upper and lower surfaces of the track. When the gate is completely placed into the gate opening, the groove of the track is closed by the gate.
[0018] Preferably, in the above scheme, the gate assembly further includes a protective cover and a guide rod. The protective cover is disposed on the track above the gate and its back is connected to the gate frame. The guide rod is vertically disposed inside the protective cover. The gate is movably disposed inside the protective cover and is slidably connected to the guide rod. The upper and lower ends of the mounting base are respectively connected to the protective cover.
[0019] Preferably, in the above scheme, the gate includes a horizontal plate, a vertical plate, and a fireproof sealing strip. The horizontal plate is located at the upper end of the vertical plate, and the guide rod passes through the upper and lower surfaces of the horizontal plate and is slidably connected to the horizontal plate. The fireproof sealing strip is located on both sides of the vertical plate. When the vertical plate is completely inserted into the gate opening, the fireproof sealing strip abuts against both sides of the gate opening.
[0020] Preferably, in the above scheme, the two sides of the gate are respectively provided with inclined surfaces that slope inward from top to bottom, the fireproof sealing strip is configured as an inclined structure adapted to the inclined surfaces, and the gate assembly further includes a fourth elastic element, which is sleeved on the guide rod and connected to the horizontal plate to provide a downward thrust for the horizontal plate.
[0021] Preferably, in the above scheme, the hook is configured as a C-shaped structure, the hook includes a round hole and a fastening bolt, the round hole is located near the upper left of the C-shaped structure, the fastening bolt is located on the left side of the C-shaped structure, the protrusion is located near the lower left of the C-shaped structure, the round hole is rotatably connected to the mounting base through a pin, the upper end of the first elastic element is fixed above the mounting base, and the lower end pulls the fastening bolt.
[0022] Preferably, in the above solution, the upper end of the second elastic member is fixed above the mounting base, and the lower end pulls the other end of the buckle. The second elastic member is located to the left of the first elastic member, and the first elastic member is located to the left of the mounting base.
[0023] Compared with existing technologies, this utility model has the following beneficial effects:
[0024] 1. A fireproof system for a gate-type rail-breaking mechanism according to this utility model includes a movable door assembly, a track, a gate assembly, a release mechanism, a locking mechanism, a toggle mechanism, and a control system. The toggle component of the toggle mechanism is rotatably mounted on the track and drives the other end of the buckle to rotate through a transmission mechanism. When the buckle engages with the hook, the toggle component rotates into the movement path of the fireproof door. When the buckle separates from the hook, the toggle component rotates out of the movement path of the fireproof door. Before lifting the gate, controlling the opening of the fireproof door makes it less likely to impact the toggle component, thus extending the service life of the rail-breaking mechanism.
[0025] 2. The lever structure composed of the lever, longitudinal rod, auxiliary rod, first connecting rod, second connecting rod, and third connecting rod in this utility model enables the fire door to use a small force to drive the buckle and hook to separate when it collides with the lever.
[0026] 3. The actuating mechanism in this utility model also includes a third elastic element. The lower end of the third elastic element is fixed to the bottom of the mounting base, and the upper end is connected to the second connecting rod. When the buckle and the hook abut against each other and lock together, the lever remains in a vertical downward state, ensuring that the lever can be rotated at a certain angle under the action of external force to trigger the release gate operation.
[0027] 4. The gate in this utility model has inclined surfaces on both sides, which slope inward from top to bottom. The fireproof sealing strip is designed with an inclined structure that matches the inclined surfaces. The fourth elastic element of the gate assembly can accelerate the descent speed of the gate. The fireproof sealing strip can play a buffering and shock-absorbing role. Moreover, the fireproof sealing strip is tightly fitted with the inclined surfaces on both sides of the gate, which has a good smoke sealing effect.
[0028] 5. The hook in this utility model is designed as a C-shaped structure. The hook includes a round hole, a fastening bolt and a protrusion. The round hole is located near the upper left of the C-shaped structure, the fastening bolt is located on the left side of the C-shaped structure, and the protrusion is located near the lower left of the C-shaped structure. The round hole is rotatably connected to the mounting base through a pin. The middle part of the buckle is provided with a stepped structure that is movably engaged with the protrusion, so that the upper end of the gate can be firmly and reliably suspended in the opening of the hook. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the overall structure of a fire prevention system for a gate-type rail-breaking mechanism according to this utility model.
[0030] Figure 2 This is a schematic diagram of the track installation structure of a fireproof system for a gate-type rail-breaking mechanism according to this utility model.
[0031] Figure 3 This is a schematic diagram of the gate installation position of a fireproof system with a knife-type rail-breaking mechanism according to this utility model.
[0032] Figure 4This is a schematic diagram of the installation structure of the toggle assembly of this utility model.
[0033] Figure 5 This is a schematic diagram of the installation structure of the hook and buckle of this utility model.
[0034] Figure 6 This is a schematic diagram of the internal structure of the gate assembly of this utility model.
[0035] Among them, 1-movable door assembly, 11-door frame, 12-fire door, 13-door closer, 2-track, 21-gate, 211-sloping surface, 3-gate assembly, 31-gate, 311-horizontal plate, 312-vertical plate, 313-fireproof sealing strip, 32-protective cover, 33-guide rod, 34-fourth elastic element, 4-release mechanism, 41-mounting seat, 42-hook, 421-round hole, 422-fastening bolt, 423-protrusion, 43-first elastic element, 5-locking mechanism, 51-buckle, 52-second elastic element, 6-toggle mechanism, 61-toggle assembly, 611-fixed seat, 612-toggle rod, 613-vertical rod, 614-sub-rod, 62-transmission mechanism, 621-first connecting rod, 622-second connecting rod, 623-third connecting rod, 63-third elastic element. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0037] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.
[0038] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.
[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" 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. The embodiments of this utility model will now be described based on its overall structure.
[0040] like Figure 1-3As shown, this utility model discloses a locking device for a knife-type rail cutter, including a movable door assembly 1, a track 2, a gate assembly 3, a release mechanism 4, a locking mechanism 5, a toggle mechanism 6, and a control system. The movable door assembly 1 includes a door frame 11 and a fire door 12. One side of the fire door 12 is rotatably connected to the door frame 11. The track 2 passes through the upper end of the door frame 11 and its bottom is slidably connected to the upper edge of the fire door 12. The gate assembly 3 includes a gate 31 that can move up and down. The track 2 is provided with a gate 31 that can move up and down. 1. A suitable gate 21 is provided. When the gate 31 falls into the gate 21, the track path is blocked by the gate 31. The release mechanism 4 includes a mounting base 41, a hook 42, and a first elastic element 43. The mounting base 41 is located in front of the gate 31. The hook 42 is rotatably connected to the mounting base 41. The upper end of the gate 31 is suspended on one side of the hook 42. The first elastic element 43 is located on the other side of the hook 42 and is used to provide a downward rotational force to one side of the hook 42. The bottom of the hook 42 is provided with a protrusion 423. 5. Locking mechanism 5. The mechanism includes a latch 51 and a second elastic element 52. The latch 51 is located below the hook 42, and one end is rotatably connected to the mounting base 41. The middle part of the latch 51 has a stepped structure. When the protrusion 423 engages with the stepped structure, it can prevent one side of the hook 42 from rotating downward. The second elastic element 52 is located at the other end of the latch 51 and is used to provide a force to the latch 51 to abut against the hook 42. The actuating mechanism 6 includes an actuating component 61 and a transmission mechanism 62. The actuating component 61 is rotatably mounted on the track 2. One end extends vertically below the track 2, and the other end is rotatably connected to the other end of the buckle 51 via the transmission mechanism 62. The control system is used to control the opening or closing of the fire door 12. During the rotation and closing process of the fire door 12, when the upper edge of the fire door 12 touches and drives one end of the actuating component 61 to rotate counterclockwise, the buckle 51 separates from the hook 42. When the upper edge of the fire door 12 separates from one end of the actuating component 61, one end of the actuating component 61 can rotate clockwise to the bottom of the track 2. It can be understood that after the buckle 51 separates from the hook 42, the actuating component 61 can rotate back to the bottom of the track 2 under the action of the second elastic element 52. Before lifting the gate 31, reopening the fire door 12 is less likely to hit the actuating component 61, which can extend the service life of the track breaking mechanism.
[0041] Continue to refer to Figure 4In this embodiment, the actuating assembly 61 includes a fixed base 611, a lever 612, a longitudinal rod 613, and a secondary rod 614. The fixed base 611 is horizontally arranged on the track 2 and located in front of the mounting base 41. The longitudinal rod 613 is rotatably connected to the fixed base 611. The lever 612 is located on the outside of the track 2 and is vertically arranged at one end of the longitudinal rod 613. The secondary rod 614 is vertically arranged at the other end of the longitudinal rod 613. One end of the transmission mechanism 62 is rotatably connected to the secondary rod 614, and the other end is rotatably connected to the other end of the buckle 51. When the buckle 51 engages with the hook 42, the lever 612 extends vertically to the bottom of the track 2. When the buckle 51 separates from the hook 42, the lever 612 rotates to the top of the bottom of the track 2.
[0042] Continue to refer to Figure 5 The transmission mechanism 62 includes a first connecting rod 621, a second connecting rod 622, and a third connecting rod 623. The upper end of the first connecting rod 621 is hinged to the other end of the latch 51, and the lower end is hinged to the upper end of the second connecting rod 622. The upper end of the second connecting rod 622 is also hinged to one end of the third connecting rod 623. The lower end of the second connecting rod 622 is rotatably connected to the mounting base 41, and the other end of the third connecting rod 623 is hinged to the auxiliary rod 614. Through the lever structure formed by the lever 612, the vertical rod 613, the auxiliary rod 614, the first connecting rod 621, the second connecting rod 622, and the third connecting rod 623, the fire door 12 can drive the latch 51 and the hook 42 to separate with a small force when it collides with the lever 612.
[0043] In addition, the actuating mechanism 6 in this embodiment also includes a third elastic element 63. The lower end of the third elastic element 63 is fixed to the lower part of the mounting base 41, and the upper end is connected to the second connecting rod 622. When the buckle 51 and the hook 42 are engaged and locked, the lever 612 remains in a vertically downward state, ensuring that the lever 612 can trigger the operation of the release gate 31 by rotating a certain angle under the action of external force. It is worth noting that the upper end of the third elastic element 63 is detachably connected to the middle part of the second connecting rod 622. When the buckle 51 and the hook 42 are separated, the buckle 51 is rotated in the direction close to the hook 42 by the force of the second elastic element 52. The third elastic element 63 is set as a tension spring, which can provide a pulling force to the buckle 51 to rotate in the direction away from the hook 42 through the second connecting rod 622 and the third connecting rod 623, so as to prevent the buckle 51 and the hook 42 from getting too close, which would prevent the hook 42 from reversing smoothly.
[0044] In this embodiment, the lower part of the track 2 is grooved, and the upper part is planar. The path of the track 2 is located within the groove, and the gate 21 penetrates through the upper and lower surfaces of the track 2. When the gate 31 is completely inserted into the gate 21, the groove of the track 2 is sealed by the gate 31. It can be understood that the gate 31 extends to both sides of the track 2, with its top higher than the surface of the track 2 and its bottom extending to the bottom of the track 2, thus achieving the function of completely sealing and blocking the groove.
[0045] Specifically, the gate assembly 3 also includes a protective cover 32 and a guide rod 33. The protective cover 32 is located on the track 2 above the gate 21 and is connected to the gate frame 11 on its back. The guide rod 33 is vertically installed inside the protective cover 32. The gate 31 is movably installed inside the protective cover 32 and is slidably connected to the guide rod 33. The upper and lower ends of the mounting base 41 are respectively connected to the protective cover 32.
[0046] Continue to refer to Figure 6 The gate 31 includes a horizontal plate 311, a vertical plate 312, and a fireproof sealing strip 313. The horizontal plate 311 is located at the upper end of the vertical plate 312. A guide rod 33 passes through the upper and lower surfaces of the horizontal plate 311 and is slidably connected to it. The fireproof sealing strip 313 is located on both sides of the vertical plate 312. When the vertical plate 312 is completely inserted into the gate opening 21, the fireproof sealing strip 313 abuts against both sides of the gate opening 21. Specifically, the bottom structure of the gate 31 is the same as the cross-sectional structure of the track 2. When the gate 31 is suspended on the hook 42, the bottom structure can fill the gap in the gate opening 21 and smoothly connect the path of the track 2.
[0047] Furthermore, the gate 21 is provided with inclined surfaces 211 on both sides. The inclined surfaces 211 slope inward from top to bottom. The fireproof sealing strip 313 is set with an inclined structure adapted to the inclined surfaces 211. The gate assembly 3 also includes a fourth elastic element 34. The fourth elastic element 34 is sleeved on the guide rod 33 and connected to the horizontal plate 311. It is used to provide a downward thrust to the horizontal plate 311, which can accelerate the descent speed of the gate 31. The fireproof sealing strip 313 can play a buffering and shock absorption role.
[0048] It is worth noting that the fireproof sealing strip 313 is made of silicone rubber, which can remain stable in high-temperature environments, typically withstanding temperatures of 200°C to 300°C. It also possesses good elasticity and flexibility, enabling it to prevent the spread of flames, smoke, and heat during a fire. Through the cooperation between the gate 31, guide rod 33, and fourth elastic element 34, the fireproof sealing strip 313 fits tightly against the inclined surfaces 211 on both sides of the gate 21, achieving excellent smoke sealing.
[0049] Continue to refer to Figure 5The hook 42 is designed as a C-shape, including a round hole 421 and a fastening bolt 422. The round hole 421 is located near the upper left of the C-shape, and the fastening bolt 422 is located on the left side of the C-shape. The protrusion 423 is located near the lower left of the C-shape. The round hole 421 is rotatably connected to the mounting base 41 via a pin. The upper end of the first elastic element 43 is fixed above the mounting base 41, and the lower end pulls the fastening bolt 422. Specifically, the first elastic element 43 is a tension spring, and its lower end is detachably connected to the fastening bolt 422. When the buckle 51 separates from the hook 42, the hook 42 is pulled by the first elastic element 43 to rotate clockwise, and the opening of the hook 42 tilts downward, causing the upper end of the gate 31 to disengage from the lower end of the opening of the hook 42.
[0050] Furthermore, the second elastic element 52 is configured as a tension spring, with its upper end fixed above the mounting base 41 and its lower end tightening the other end of the buckle 51. When the upper end of the gate 31 is suspended in the opening of the C-shaped structure, the stepped structure and the protrusion 423 engage with each other. It can be understood that when an external force pushes the gate 31 upward, the upper end of the gate 31 can abut against the upper end of the opening of the hook 42 and drive the hook 42 to rotate counterclockwise. When it rotates to the position where the protrusion 423 and the stepped structure in the middle of the buckle 51 engage with each other, the external force is released so that the upper end of the gate 31 can be stably suspended in the opening of the hook 42.
[0051] Preferably, the movable door assembly 1 in this embodiment further includes a door closer 13. The main body of the door closer 13 is installed at the bottom of the fire door 12 and is connected to the lower end of the door frame 11 via a hinge. The control system is set as a fire monitoring system, which can control the door closer 13 to close the fire door 12 after receiving a fire early warning signal.
[0052] In addition, in this embodiment, the upper end of the second elastic member 52 is fixed above the mounting base 41, and the lower end is detachably connected to the other end of the buckle 51. The mounting base 41 and the fixing base 61 are both located on the left side of the gate 11. The second elastic member 52 is located on the left side of the first elastic member 43, and the first elastic member 43 is located on the left side of the mounting base 41, which can avoid mutual interference between the second elastic member 52 and the first elastic member 43.
[0053] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. A fire prevention system for a gate-type rail-breaking mechanism, characterized in that, include: A movable door assembly includes a door frame and a fire door, wherein one side of the fire door is rotatably connected to the door frame; The track extends through the upper end of the door frame and is slidably connected to the upper edge of the fire door at its bottom. A gate assembly includes a gate that can move up and down, and a gate opening adapted to the gate is provided on the track; The release mechanism includes a mounting base, a hook, and a first elastic element. The mounting base is located in front of the gate, the hook is rotatably connected to the mounting base, the upper end of the gate is suspended on one side of the hook, the first elastic element is located on the other side of the hook, and is used to give one side of the hook a downward rotational force. The bottom of the hook is provided with a protrusion. The locking mechanism includes a buckle and a second elastic element. The buckle is located below the hook and one end is rotatably connected to the mounting base. The buckle has a stepped structure in the middle. When the protrusion and the stepped structure are engaged, it can prevent one side of the hook from rotating downward. The second elastic element is located at the other end of the buckle and is used to give the buckle a force that abuts against the hook. A toggle mechanism includes a toggle component and a transmission mechanism. The toggle component is rotatably mounted on the track, with one end extending vertically below the track and the other end rotatably connected to the other end of the buckle via the transmission mechanism. The control system is used to control the opening or closing of the fire door. During the process of rotating and closing the fire door, when the upper edge of the fire door touches and drives one end of the actuating component to rotate counterclockwise, the latch separates from the hook. When the upper edge of the fire door separates from one end of the actuating component, one end of the actuating component can rotate clockwise to the bottom of the track.
2. The fireproof system for a gate-type rail-breaking mechanism according to claim 1, characterized in that, The actuating assembly includes a fixed base, a lever, a longitudinal rod, and a secondary rod. The fixed base is horizontally disposed on the track and located in front of the mounting base. The longitudinal rod is rotatably connected to the fixed base. The lever is located on the outside of the track and is vertically disposed at one end of the longitudinal rod. The secondary rod is vertically disposed at the other end of the longitudinal rod. One end of the transmission mechanism is rotatably connected to the secondary rod, and the other end is rotatably connected to the other end of the buckle. When the buckle engages with the hook, the lever extends vertically below the track. When the buckle disengages from the hook, the lever rotates to the top of the bottom of the track.
3. The fire prevention system for a gate-type rail-breaking mechanism according to claim 2, characterized in that, The transmission mechanism includes a first link, a second link, and a third link. The upper end of the first link is hinged to the other end of the buckle, and the lower end is hinged to the upper end of the second link. The upper end of the second link is also hinged to one end of the third link. The lower end of the second link is rotatably connected to the mounting base, and the other end of the third link is hinged to the auxiliary rod.
4. The fire prevention system for a gate-type rail-breaking mechanism according to claim 3, characterized in that, The actuating mechanism also includes a third elastic element, the lower end of which is fixed to the bottom of the mounting base and the upper end is connected to the second connecting rod. When the buckle engages with the hook, the lever remains in a vertically downward state.
5. A fire prevention system for a gate-type rail-breaking mechanism according to claim 1, characterized in that, The lower part of the track is grooved and the upper part is flat. The track path is located in the groove. The gate passes through the upper and lower surfaces of the track. When the gate is completely placed into the gate opening, the groove of the track is closed by the gate.
6. A fire prevention system for a gate-type rail-breaking mechanism according to claim 5, characterized in that, The gate assembly also includes a protective cover and a guide rod. The protective cover is disposed on the track above the gate and its back is connected to the gate frame. The guide rod is vertically disposed inside the protective cover. The gate is movably disposed inside the protective cover and is slidably connected to the guide rod. The upper and lower ends of the mounting base are respectively connected to the protective cover.
7. A fire prevention system for a gate-type rail-breaking mechanism according to claim 6, characterized in that, The gate includes a horizontal plate, a vertical plate, and a fireproof sealing strip. The horizontal plate is located at the upper end of the vertical plate. The guide rod passes through the upper and lower surfaces of the horizontal plate and is slidably connected to the horizontal plate. The fireproof sealing strip is located on both sides of the vertical plate. When the vertical plate is completely inserted into the gate opening, the fireproof sealing strip abuts against both sides of the gate opening.
8. A fire prevention system for a gate-type rail-breaking mechanism according to claim 7, characterized in that, The gate has inclined surfaces on both sides that slope inward from top to bottom. The fireproof sealing strip is designed with an inclined structure that is adapted to the inclined surfaces. The gate assembly also includes a fourth elastic element, which is sleeved on the guide rod and connected to the horizontal plate to provide a downward thrust to the horizontal plate.
9. A fire prevention system for a gate-type rail-breaking mechanism according to claim 1, characterized in that, The hook is designed as a C-shaped structure, and includes a round hole and a fastening bolt. The round hole is located near the upper left of the C-shaped structure, the fastening bolt is located on the left side of the C-shaped structure, and the protrusion is located near the lower left of the C-shaped structure. The round hole is rotatably connected to the mounting base through a pin. The upper end of the first elastic element is fixed above the mounting base, and the lower end pulls the fastening bolt.
10. A fire prevention system for a gate-type rail-breaking mechanism according to claim 9, characterized in that, The upper end of the second elastic element is fixed above the mounting base, and the lower end pulls the other end of the buckle. The second elastic element is located to the left of the first elastic element, and the first elastic element is located to the left of the mounting base.
Citation Information
Patent Citations
Broken rail gate mechanism and fireproof system thereof
CN217262788U