Foldable fire extinguisher cabinet
By designing a foldable fire extinguisher box and utilizing the linkage structure of the rotating bracket and wheel assembly, the problems of space occupation and wheel structure in the storage and transportation of fire extinguisher boxes are solved, achieving the effects of space saving and easy operation, and extending the service life of the wheels.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-04-14
AI Technical Summary
Existing fire extinguisher boxes occupy a large space during storage and transportation. The wheel structure increases the transportation space requirements and reduces maneuverability. Furthermore, prolonged static loads cause wheel axle deformation, affecting service life.
A foldable fire extinguisher box is designed, which adopts a rotating bracket and wheel assembly, combined with a tension spring and a limiting mechanism. The wheels can be folded under the base. The unfolding and folding of the wheels are realized through the lifting seat and the linkage shaft, which simplifies the operation and enhances the stability.
While ensuring the passability of large-diameter rollers, it reduces the space requirements for storage and transportation, simplifies the unfolding and folding operation of wheel components, improves the practicality and stability of the device, and extends the service life of the wheels.
Smart Images

Figure CN224113152U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire-fighting equipment technology, and in particular to a foldable fire extinguisher box. Background Technology
[0002] A fire extinguisher box is a device used to hold fire extinguishers, protecting them and ensuring their proper use in the event of a fire. Ordinary fire extinguisher boxes are generally made of thin-walled steel plates, with an empty interior, taking up a large volume. During storage and transportation, they occupy a significant amount of space. Furthermore, the boxes are easily subjected to compression or collisions during storage and transportation, resulting in deformation or dents that affect their appearance. Therefore, some existing fire extinguisher boxes adopt a folding design, compressing storage and transportation space while reducing the impact of compression or collisions.
[0003] Some existing fire extinguisher boxes, such as the utility model patent with application number CN202123320056.X which discloses a fire extinguisher box for construction projects, have wheel structures designed under the base for convenient transportation during work. However, directly applying the wheel assembly to a folding fire extinguisher box would significantly increase the storage and transportation space occupied by the wheel structure at the bottom. The common solution is to directly reduce the diameter of the rollers, which would greatly reduce the box's maneuverability, or to directly package the large rollers separately for users to install themselves after receiving the goods. However, this requires certain tools and increases the difficulty of installation. Moreover, fire extinguisher boxes are generally placed for a long time, and using wheels to bear static loads for a long time can easily cause the axle to deform and reduce the service life. There is room for improvement. Utility Model Content
[0004] The purpose of this invention is to solve at least one of the technical problems existing in the prior art by providing a foldable fire extinguisher box, which solves the above-mentioned problem.
[0005] To achieve the above objectives, a foldable fire extinguisher box is provided, comprising a base and a foldable box body. The foldable box body is disposed on the top of the base. Lower end plates are fixedly connected to both ends of the lower part of the base. Lower side plates are fixedly connected to both sides of the lower part of the base. Two rotating shaft seats are fixedly connected to both sides of the bottom of the base. Rotating brackets are rotatably connected to both sides of the bottom of the base through the two rotating shaft seats. Wheel connecting seats are fixedly connected to both ends of the two rotating brackets near the rotating shaft seats. Wheel bodies are rotatably connected to the ends of the four wheel connecting seats away from the rotating shaft seats. Tension springs are connected to the lower middle part of the two rotating shaft seats to form a rotatable and foldable wheel assembly.
[0006] Both lower end plates have a hand-holding groove in the middle. Both ends of the rotating shaft of the two rotating brackets are fixedly sleeved with linkage seats. One end of each linkage seat near the middle of the base is fixedly connected to a linkage shaft. Both inner ends of the two lower end plates are fixedly connected to limit sliding groove seats. Lifting seats are slidably connected to the inner sides of the two lower end plates through the two limit sliding groove seats. Both ends of the lifting seats are provided with linkage sliding grooves at positions corresponding to the linkage shaft. Limit pin holes are provided at the middle of both ends of the two lifting seats at positions corresponding to the limit sliding groove seats.
[0007] According to the aforementioned foldable fire extinguisher box, the foldable box body is an existing spliced foldable box body.
[0008] According to the aforementioned foldable fire extinguisher box, the end of the linkage shaft away from the linkage seat is embedded in a corresponding linkage groove and slidably connected to the linkage groove.
[0009] According to the aforementioned foldable fire extinguisher box, threaded holes are provided at the upper and lower ends of the four limiting slide seats corresponding to the limiting pin holes, and limiting holes are provided at the two lower end plates corresponding to the threaded holes. With the help of the limiting pins with threads at the ends, a stable limiting mechanism can be formed to limit the lifting seat in the unfolded and folded states respectively.
[0010] According to the aforementioned foldable fire extinguisher box, a handle slot is provided above the middle of each of the two lifting seats.
[0011] According to the aforementioned foldable fire extinguisher box, the ends of the two tension springs furthest from the rotating shaft are fixedly connected to the bottom of the corresponding lower side plate.
[0012] The above solution has at least one of the following beneficial effects:
[0013] 1. This utility model is equipped with a rotating bracket and a wheel body. With the help of a tension spring and a limiting mechanism, the wheel assembly can be folded under the base during transportation and long-term storage. While ensuring the use of large-diameter rollers to enhance the overall passability, it reduces the storage and transportation space. When the fire extinguisher box needs to be moved after the fire extinguisher is placed inside, the wheel assembly is also easy to unfold. Simply remove the limiting pin and lift the entire box. The rotating bracket can unfold the wheel assembly under the action of the tension spring and gravity. Then, the limiting pin can be moved to the lower limiting hole. This enhances the practicality of the device.
[0014] 2. This utility model is equipped with a lifting seat that can be raised and lowered. With the linkage seats and linkage shafts at both ends of the rotating bracket, when it is necessary to fold the wheel assembly, the limit pin can be removed first, and then the box can be lifted through the handle slot. The relative movement between the lifting seat and the base can drive the linkage shaft to move upward, and then the rotating bracket can be rotated inward through the linkage seat to fold up the wheel body. The structure is simple and easy to operate, and the stability is also strong, which enhances the practicality of the device.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a three-dimensional structural diagram of a foldable fire extinguisher box according to the present invention.
[0018] Figure 2 This is a three-dimensional structural diagram of the base of this utility model;
[0019] Figure 3 for Figure 2 Enlarged view of point A;
[0020] Figure 4 This is a schematic diagram of the internal structure below the base of this utility model.
[0021] Legend:
[0022] 1. Base; 2. Foldable housing; 3. Lower end plate; 4. Rotating shaft seat; 5. Rotating bracket; 6. Wheel connecting seat; 7. Wheel body; 8. Tension spring; 9. Linkage seat; 10. Hand buckle groove; 11. Lifting seat; 12. Handle groove; 13. Limiting slide seat; 14. Linkage shaft; 15. Linkage slide; 16. Lower side plate; 17. Limiting pin hole. Detailed Implementation
[0023] This section will describe in detail the specific embodiments of the present utility model. Preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model. The drawings are all in a very simplified form and use non-precise proportions. They are only used to help to explain the embodiments of the present utility model in a convenient and clear way, and should not be construed as limiting the scope of protection of the present utility model.
[0024] Reference Figure 1-4This utility model provides a foldable fire extinguisher box, including a base 1 and a foldable box body 2. The foldable box body 2 is arranged on the top of the base 1, and the foldable box body 2 is an existing spliced foldable box body. The bottom ends of the base 1 are fixedly connected to the lower end plates 3, and the bottom sides of the base 1 are fixedly connected to the lower side plates 16. The bottom sides of the base 1 are fixedly connected to the two rotating shaft seats 4. The bottom sides of the base 1 are rotatably connected to the rotating brackets 5 through the two rotating shaft seats 4. The two ends of the two rotating brackets 5 are fixedly connected to the wheel connecting seats 6 near the rotating shaft seats 4. The ends of the four wheel connecting seats 6 away from the rotating shaft seats 4 are rotatably connected to the wheel bodies 7, forming a rotatable wheel assembly. The lower middle part of the two rotating shaft seats 4 is connected to the tension springs 8. The ends of the two tension springs 8 away from the rotating shaft seats 4 are fixedly connected to the bottom of the corresponding lower side plates 16, which are used to apply rotational tension to the rotating shaft seats 4, so that the rotating shaft seats 4 can be unfolded into place.
[0025] Both lower end plates 3 have a handle groove 10 in the middle for lifting the entire box. Both ends of the rotating shaft of the two rotating brackets 5 are fixedly sleeved with linkage seats 9. Both upper middle parts of the two lifting seats 11 have a handle groove 12. The ends of the two linkage seats 9 near the middle of the base 1 are fixedly connected to a linkage shaft 14. Both inner ends of the two lower end plates 3 are fixedly connected to a limit slide seat 13. The inner sides of the two lower end plates 3 are slidably connected to the lifting seats 11 through the two limit slide seats 13. Both ends of the lifting seats 11 are provided with linkage slide grooves 15 at positions corresponding to the linkage shaft 14. The ends of the linkage shaft 14 away from the linkage seat 9 are embedded in the corresponding linkage slide grooves 15 and slidably connected with the linkage slide grooves 15. When the lifting seats 11 are raised or lowered, the linkage shaft 14 is raised or lowered through the linkage slide grooves 1, which in turn causes the linkage seats 9 to drive the rotating brackets 5 to rotate, thus achieving a folding effect.
[0026] Limit pin holes 17 are provided at the middle of both ends of the two lifting seats 11, corresponding to the positions of the limiting slide seats 13. Threaded holes are provided at the upper and lower ends of the four limiting slide seats 13, corresponding to the positions of the limiting pin holes 17. Limit holes are provided at the positions of the two lower end plates 3, corresponding to the positions of the threaded holes. Limit pins with threads at the ends can be used to directly limit the lifting seats 11, forming a limiting mechanism that can limit the lifting seats 11 in both unfolded and folded states.
[0027] Working principle: When the wheel assembly needs to be unfolded, simply remove the limiting pin at the upper limiting hole, then lift the entire box through the handle groove 10. The rotating bracket 5 can unfold the wheel assembly under the action of the tension spring 8 and gravity. At this time, the lifting seat 11 descends to the lowest position under the action of the linkage seat 9. Then, simply move the limiting pin to the lower limiting hole. When the wheel assembly needs to be folded, first remove the lower limiting pin, then lift the box through the handle groove 12 of the lifting seat 11. The relative movement between the lifting seat 11 and the base 1 can drive the linkage shaft 14 to move upward, and then the rotating bracket 5 rotates inward through the linkage seat 9 to fold up the wheel body 7. Finally, insert the limiting pin back into the upper hole. The device has a simple structure, strong stability, and is easy to operate.
[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A foldable fire extinguisher box, comprising a base (1) and a foldable box body (2), characterized in that: A foldable box (2) is provided above the base (1). A lower end plate (3) is fixedly connected to both ends of the base (1). A lower side plate (16) is fixedly connected to both sides of the base (1). Two rotating shaft seats (4) are fixedly connected to both sides of the bottom of the base (1). A rotating bracket (5) is rotatably connected to both sides of the bottom of the base (1) through the two rotating shaft seats (4). A wheel connecting seat (6) is fixedly connected to both ends of the two rotating brackets (5) near the rotating shaft seats (4). A wheel body (7) is rotatably connected to the end of the four wheel connecting seats (6) away from the rotating shaft seats (4). A tension spring (8) is connected to the lower middle part of the two rotating shaft seats (4). Both lower end plates (3) have a hand-holding groove (10) in the middle. Both rotating brackets (5) have a linkage seat (9) fixedly sleeved at both ends of the rotating shaft. Both linkage seats (9) are fixedly connected to a linkage shaft (14) at one end near the middle of the base (1). Both inner ends of the two lower end plates (3) are fixedly connected to a limit slide seat (13). The inner sides of the two lower end plates (3) are slidably connected to a lifting seat (11) through the two limit slide seats (13). Both ends of the lifting seat (11) are provided with a linkage slide groove (15) at the position corresponding to the linkage shaft (14). Both ends of the lifting seat (11) are provided with a limit pin hole (17) at the middle position corresponding to the limit slide seat (13).
2. The foldable fire extinguisher box according to claim 1, characterized in that, The foldable box (2) is an existing spliced foldable box.
3. A foldable fire extinguisher box according to claim 1, characterized in that, The end of the linkage shaft (14) away from the linkage seat (9) is embedded in the corresponding linkage groove (15) and is slidably connected to the linkage groove (15).
4. A foldable fire extinguisher box according to claim 1, characterized in that, The upper and lower ends of the four limiting slide seats (13) are provided with threaded holes at the positions corresponding to the limiting pin holes (17), and the two lower end plates (3) are provided with limiting holes at the positions corresponding to the threaded holes.
5. A foldable fire extinguisher box according to claim 1, characterized in that, Each of the two lifting seats (11) has a handle slot (12) on the upper part of its middle section.
6. A foldable fire extinguisher box according to claim 1, characterized in that, The ends of the two tension springs (8) away from the rotating shaft seat (4) are fixedly connected to the bottom of the corresponding lower side plate (16).
Citation Information
Patent Citations
Fire extinguisher cabinet special for construction engineering
CN216536650U