Indoor fire hydrant box door structure
The design of the double-door structure and lifting mechanism solves the problem that the fire hydrant box door cannot be fully opened in a narrow space, and enables normal use between parking spaces in the parking garage. It has the advantages of simple structure and easy manufacturing.
Patent Information
- Application Number
- CN202422064710.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-08-26
AI Technical Summary
Ordinary fire hydrant box doors cannot be fully opened due to the limited space between parking spaces in parking garages, affecting the normal use of the facilities.
It adopts a double-door structure, combined with a lifting mechanism and a position locking mechanism. Through the cooperation of guide strips and guide grooves, the door frame can be connected by sliding up and down, reducing the space required for opening.
The fire hydrant box door can be effectively opened in a narrow space to ensure the normal use of the facility. The structure is simple and easy to manufacture.
Smart Images

Figure CN223410698U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire hydrant box doors, in particular to an indoor fire hydrant box door structure. Background Art
[0002] Ordinary fire hydrant boxes have doors that open on one side. When fire hydrants are arranged parallel to parking spaces in a parking garage, the space in front of the fire hydrant box is often small due to the influence of the parking spaces, resulting in the fire hydrant box door not being able to be fully opened, affecting the normal use of the facilities in the fire hydrant box. Therefore, in order to solve the above problem, it is particularly important to design an indoor fire hydrant box door structure. Summary of the Invention
[0003] In order to solve the above problems, the utility model designs an indoor fire hydrant box door structure, which adopts a double-door approach to reduce the space required to open the indoor fire hydrant box door, thereby achieving the purpose of installing and using the indoor fire hydrant box in a narrow space such as between parking spaces in a parking garage.
[0004] In order to solve the above-mentioned technical problems, the present invention provides an indoor fire hydrant box door structure, comprising a fire hydrant box and a box door structure, characterized in that: a supporting frame for installing the box door structure is provided on the front end surface of the fire hydrant box, and the box door structure is a double-door structure, which is specifically composed of a door frame, door leaves, hinges and a switch lock. The supporting frame is U-shaped, and its upper end is open. The door frame is connected to the supporting frame by sliding up and down through the drive of a lifting mechanism. A position locking mechanism is also provided between the door frame and the supporting frame. The door leaves are provided with two leaves, and the two door leaves are respectively connected to the inner walls on both sides of the door frame through hinges. The two door leaves are opened and closed by a switch lock arranged between each other.
[0005] Further: guide strips are provided on both sides of the door frame, and the guide strips are arranged up and down. Guide grooves are provided on the inner walls on both sides of the supporting frame relative to the position of the guide strips. The upper ends of the guide grooves are open, and the door frame is tightly attached to the front end surface of the fire hydrant box through the cooperation of the guide strips and the guide grooves.
[0006] The lifting mechanism is arranged on the right side of the supporting frame, and specifically comprises a support plate, a screw, a transmission plate, a knob and an outer cover body, wherein a support plate is respectively provided on the outer walls of the upper and lower ends of the right side of the supporting frame, and the two support plates are arranged upwardly and downwardly relative to each other, and the outer cover body is detachably connected to the outer sides of the two support plates, and the outer cover body is open toward one side of the supporting frame, and the screw is vertically rotatably connected to the outer cover body, the upper end of the screw is rotatably connected to the support plate located above, the lower end of the screw passes through the support plate located below and extends out of the outer cover body and is connected to the knob, the screw is rotatably connected to the support plate located below, and the bottom of the outer cover body is provided with a notch for extending the screw, and the transmission plate is provided with a threaded through hole matching the position of the screw relative to the screw, and the transmission plate is connected to the screw through the threaded through hole, and the supporting frame is provided with a through slot on the side facing the outer cover body, and the through slot is connected to the guide slot, the transmission plate extends into the guide slot along the through slot and is fixedly connected to the guide bar, and the transmission plate can slide up and down along the through slot.
[0007] Furthermore: the position locking mechanism includes a lock plate, a support tube, a lock rod and a first spring arranged at the bottom of the door frame, and a lock plate connected to it is provided at the bottom of the left and right ends of the door frame. The bottom of the supporting frame is provided with a second guide groove relative to the position of the two lock plates, and the lower end of the lock plate passes through the supporting frame along the second guide groove. The support tube is horizontally fixed on the front end surface of the fire hydrant box below the supporting frame, and a lock rod is connected to each of the two ends of the support tube. A lock hole is provided on the lock plate relative to the position of the lock rod. One end of the lock rod is connected to the support tube through the first spring, and the other end of the lock rod passes through the lock plate along the lock hole under the action of the first spring.
[0008] Going further: grooves are provided on the inner walls at both ends of the support tube, and a spherical clamp is connected to the groove through a second spring. A hemispherical clamp is provided on the outer wall of the lock rod relative to the groove. The spherical clamp is clamped into the hemispherical clamp under the action of the second spring. When the spherical clamp is clamped into the hemispherical clamp, the lock rod will detach from the lock plate.
[0009] After adopting the above structure, the beneficial effects of the utility model are as follows:
[0010] 1. The utility model adopts a double-door mode to reduce the space required to open the indoor fire hydrant box door, thereby achieving the purpose of installing and using the indoor fire hydrant box in a narrow space such as a parking garage.
[0011] 2. When the position locking mechanism of the utility model is opened, the entire door structure can be opened upward through the lifting mechanism, thereby increasing practical performance.
[0012] 3. The utility model has the advantages of simple structure, easy manufacture, practicality and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0014] Figure 1 It is a structural diagram of the present utility model.
[0015] Figure 2 This is the internal structure diagram of the lifting mechanism. DETAILED DESCRIPTION
[0016] like Figure 1 An indoor fire hydrant box door structure shown includes a fire hydrant box 1 and a box door structure. A support frame 4 for mounting the box door structure is provided on the front face of the fire hydrant box. The box door structure is a double-door structure, specifically composed of a door frame 2, a door leaf 3, hinges, and a switch lock. The support frame is U-shaped, and its upper end is open. The door frame is connected to the support frame by sliding up and down through the drive of a lifting mechanism. A position locking mechanism is also provided between the door frame and the support frame. The door leaf is provided with two leaves, and the two door leaves are respectively connected to the inner walls on both sides of the door frame through hinges. The two door leaves are opened and closed by a switch lock provided between each other. The utility model adopts a double-door method to reduce the space required to open the indoor fire hydrant box door, thereby achieving the purpose of installing and using indoor fire hydrant boxes in narrow spaces such as parking spaces in parking garages.
[0017] like Figure 1 Guide strips 5 are provided on both sides of the door frame, and the guide strips are arranged up and down. Guide grooves are provided on the inner walls of both sides of the supporting frame relative to the position of the guide strips. The upper ends of the guide grooves are open, and the door frame is tightly attached to the front end surface of the fire hydrant box through the cooperation of the guide strips and the guide grooves.
[0018] like Figure 1 and Figure 2The lifting mechanism shown is arranged on the right side of the supporting frame, which is specifically composed of a support plate 14, a screw 13, a transmission plate 12, a knob 8 and an outer cover body 6. A support plate is respectively provided on the upper and lower outer walls of the right side of the supporting frame, and the two support plates are arranged opposite to each other up and down. The outer cover body is detachably connected to the outer sides of the two support plates, and the outer cover body is open on the side facing the supporting frame. The screw is vertically rotatably connected in the outer cover body, the upper end of the screw is rotatably connected to the support plate located above, the lower end of the screw passes through the support plate located below and extends out of the outer cover body and is connected to the knob, the screw is rotatably connected to the support plate located below, and a notch for the screw to extend is provided at the bottom of the outer cover body, and a threaded through hole matching the position of the screw is provided on the transmission plate relative to the screw, and the transmission plate is connected to the screw through the threaded through hole, and a through groove is provided on the side of the supporting frame facing the outer cover body, and the through groove is connected to the guide groove, the transmission plate extends into the guide groove along the through groove and is fixedly connected to the guide bar, and the transmission plate can slide up and down along the through groove. When the position locking mechanism is opened, the utility model can open the box door structure upward as a whole through the lifting mechanism, thereby improving the practical performance.
[0019] like Figure 1 The position locking mechanism shown includes a lock plate 10, a support tube 9, a lock rod 11 and a first spring arranged at the bottom of the door frame. A lock plate connected to it is provided at the bottom of the left and right ends of the door frame. A second guide groove is provided at the bottom of the supporting frame relative to the position of the two lock plates. The lower end of the lock plate passes through the supporting frame along the second guide groove. The support tube is horizontally fixed on the front end surface of the fire hydrant box below the supporting frame. A lock rod is connected to each of the two ends of the support tube. A lock hole is provided on the lock plate relative to the lock rod. One end of the lock rod is connected to the support tube through the first spring, and the other end of the lock rod passes through the lock plate along the lock hole under the action of the first spring.
[0020] The support tube has grooves formed on its inner walls at both ends, with spherical clamps connected to the grooves via a second spring. A hemispherical clamping groove is formed on the outer wall of the lock rod at a position corresponding to the grooves. The spherical clamp is engaged by the second spring into the hemispherical clamping groove. When the spherical clamp is engaged, the lock rod is released from the lock plate. This design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
[0021] The above are only preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be pointed out that for those skilled in the art, various improvements and modifications that do not depart from the principles of the present invention should be considered within the scope of protection of the present invention.
Claims
1. An indoor fire hydrant box door structure, comprising a fire hydrant box (1) and a box door structure, characterized in that: A support frame (4) for mounting a door structure is provided on the front face of the fire hydrant box. The door structure is a double-door structure, specifically consisting of a door frame (2), a door leaf (3), a hinge and a switch lock. The support frame is U-shaped, and its upper end is open. The door frame is connected to the support frame by sliding up and down through the driving of a lifting mechanism. A position locking mechanism is also provided between the door frame and the support frame. The door leaf is provided with two leaves, and the two door leaves are respectively connected to the inner walls of the door frame on both sides through hinges. The two door leaves are opened and closed by a switch lock provided between each other.
2. An indoor fire hydrant box door structure according to claim 1, characterized in that: Guide strips (5) are provided on both sides of the door frame, and the guide strips are arranged up and down. Guide grooves are provided on the inner walls of both sides of the support frame at positions relative to the guide strips, and the upper ends of the guide grooves are open. The door frame is tightly attached to the front end surface of the fire hydrant box through the cooperation of the guide strips and the guide grooves.
3. An indoor fire hydrant box door structure according to claim 2, characterized in that: The lifting mechanism is arranged on the right side of the support frame, and specifically comprises a support plate (14), a lead screw (13), a transmission plate (12), a knob (8) and an outer cover (6). A support plate is respectively arranged on the upper and lower outer walls of the right side of the support frame, and the two support plates are arranged opposite to each other up and down. The outer cover is detachably connected to the outer sides of the two support plates. The outer cover is open on the side facing the support frame. The lead screw is vertically connected to the outer cover, and the upper end of the lead screw is connected to the support plate located above. The lower end of the lead screw is connected to the support plate located above. The end passes through the support plate located below and extends out of the outer cover and is connected to the knob. The lead screw is rotatably connected to the support plate located below. A notch is provided at the bottom of the outer cover for the lead screw to extend out. A threaded through hole matching the lead screw is provided on the transmission plate relative to the lead screw. The transmission plate is connected to the lead screw through the threaded through hole. A through groove is provided on the side of the support frame facing the outer cover. The through groove is connected to the guide groove. The transmission plate extends into the guide groove along the through groove and is fixedly connected to the guide bar. The transmission plate can slide up and down along the through groove.
4. The indoor fire hydrant box door structure according to claim 1, characterized in that: The position locking mechanism comprises a lock plate (10) arranged at the bottom of the door frame, a support tube (9), a lock rod (11) and a first spring, a lock plate integrally connected to the bottom of each of the left and right ends of the door frame is provided, a second guide groove is provided at the bottom of the support frame relative to the position of the two lock plates, the lower end of the lock plate passes through the support frame along the second guide groove, the support tube is horizontally fixed to the front end surface of the fire hydrant box below the support frame, a lock rod is connected to each of the two ends of the support tube, a lock hole is provided on the lock plate relative to the position of the lock rod, one end of the lock rod is connected to the support tube through the first spring, and the other end of the lock rod passes through the lock plate along the lock hole under the action of the first spring.
5. An indoor fire hydrant box door structure according to claim 4, characterized in that: Grooves are provided on the inner walls at both ends of the support tube, and a spherical clamp is connected to the groove through a second spring. A hemispherical clamp is provided on the outer wall of the lock rod relative to the groove. The spherical clamp is clamped into the hemispherical clamp under the action of the second spring. When the spherical clamp is clamped into the hemispherical clamp, the lock rod will detach from the lock plate.