Linked switch mechanism of fire sandbox

Abstract

The utility model discloses a fire-fighting sandbox linked switch mechanism, relates to fire-fighting equipment technical field, including base, the four corners of base top are fixedly equipped with the support leg, the top of support leg is fixedly equipped with the sandbox body, the lower end of one side of sandbox body is fixedly equipped with the discharge mechanism. By the adoption of the structure, the driving motor is used for driving the spiral stirring paddle to rotate and assisting in driving fire-fighting sand in the sand box to be in a rolling state, the sand can be conveyed to the discharging pipe through spiral driving, and the sealing baffle is pulled to move upwards by starting the first electric push rod to operate; and the output end of the discharging pipe can be exposed by moving the sealing baffle upwards, and at the moment, driving conveying can be carried out under the assistance of the spiral stirring paddle, so that materials can be automatically discharged through the discharging pipe quickly, the whole fire-fighting sand of the device is convenient to discharge quickly, the discharging convenience of the whole device can be improved, and the fire-fighting sand is convenient to take and place.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to fire-fighting sandbox linkage switch mechanism. Background Art

[0002] The fire sandbox is a type of equipment used for fire fighting, usually for testing and maintenance of fire extinguishers. The fire sandbox is filled with fine sand or other fire extinguishing materials to extinguish the fire extinguishing agent released by the fire extinguisher. When the fire extinguisher needs to be tested or maintained, the operator can spray the fire extinguisher into the fire sandbox to ensure its normal operation and effective fire extinguishing. The fire sandbox can also be used to practice the use of fire extinguishers to help people become familiar with how to use fire extinguishers correctly to extinguish fires.

[0003] The Chinese patent with the publication number "CN204684511U" discloses a fire-fighting sandbox, which includes a sandbox cover, a sandbox body, a handle, a sandbox front door, universal wheels, hinges, and buckles, wherein the sandbox front door is located in front of the sandbox body, the hinge is located at the bottom of the sandbox front door, the sandbox cover is located above the sandbox body, the handle is located on both sides of the sandbox body, the universal wheels are located at the four corners of the bottom edge of the sandbox body, and the buckle is located at the upper left edge of the sandbox front door. The fire-fighting sandbox adopts a sandbox front door design, which can be quickly taken out during the fire-fighting process, saving time, and is equipped with universal wheels to facilitate the movement of the sandbox, saving time and effort.

[0004] Although the above device has certain advantages, the fire sand in the existing fire sand box is in a static state. It is cumbersome and difficult to take out the static fire sand during firefighting work, which seriously affects the normal use of the fire sand. At the same time, when the fire sand becomes damp, it is impossible to quickly dry the fire sand. In practical use, the fire sand can only be replaced before it can be put into use. It can be seen that its overall use has certain defects and shortcomings, and needs to be improved. Utility Model Content

[0005] In response to the problems mentioned in the background art, the purpose of the present invention is to provide a fire sandbox linkage switch mechanism to solve the problems raised by the background art.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The fire-fighting sandbox linkage switch mechanism comprises a base, support legs are fixedly installed at the four corners of the top of the base, a sandbox body is fixedly installed on the top of the support legs, a discharge mechanism is fixedly installed at the lower end of one side of the sandbox body, a drying mechanism is fixedly installed at the lower end of the sandbox body, and a ventilation mechanism is hinged on the top of the sandbox body;

[0008] The discharging mechanism comprises a discharging pipe and a bottom plate, the input end of the discharging pipe is connected with the interior of the sand box body, the bottom plate is fixedly installed on the bottom side of the base, the top of the bottom plate is fixedly installed with a concave seat, the top of the concave seat is fixedly installed with a first electric push rod, the output end of the first electric push rod passes through the concave seat and is fixedly installed with a sealing baffle, the sealing baffle covers the outside of the discharging pipe, and by arranging the discharging mechanism, the device can be operated by starting the first electric push rod during use, and the sealing baffle is pushed by the first electric push rod to cover the discharging pipe. When the fire sand needs to be discharged, the first electric push rod can be started to drive the sealing baffle to move up to open the discharging pipe, so that the device is convenient for quick discharging and convenient for use of the equipment.

[0009] As an optimal technical solution, the drying mechanism includes a hot air blower, which is fixedly installed at the lower end of one side of the sand box body. A drying main pipe is fixedly installed at the output end of the hot air blower, and drying connecting pipe racks are fixedly installed at both ends of the outer side of the drying main pipe. A cross pipe is fixedly installed at the upper end of the drying connecting pipe rack, and drying pipes are fixedly installed at equal intervals on the bottom of the cross pipe. The drying mechanism is provided to improve the overall drying effect of the device during use, so that the device has the function of automatically drying the fire-fighting sand, and the fire-fighting performance of the device can be maintained for a long time.

[0010] As an optimal technical solution, the drying mechanism includes a rotating shaft and a driving motor. The rotating shaft is rotatably connected to the lower end of the sand box body, and the driving motor is fixedly installed at the lower end of one side of the sand box body. The output end of the driving motor is fixedly connected to one end of the rotating shaft, and a spiral stirring paddle is fixedly installed on the outer surface of the rotating shaft. The drying mechanism is set so that during use, the device can quickly drive the material to converge toward the discharge pipe, which is convenient for the equipment to quickly discharge the material and the use of the equipment.

[0011] As a preferred technical solution, the ventilation mechanism includes a top cover, which is hingedly installed on the top of the sandbox body. A ventilation groove is provided on one side of the top of the top cover. A dustproof screen is fixedly installed inside the ventilation groove. The ventilation mechanism is provided so that the device can have a stronger drying function during use and can improve its overall fire-fighting quality.

[0012] As a preferred technical solution, a mounting frame is fixedly installed on one side of the top of the top cover, a second electric push rod is fixedly installed on one side of the mounting frame, the output end of the second electric push rod passes through the mounting frame and a sealing plate is fixedly installed, the sealing plate covers the outside of the ventilation groove, and the mounting frame is arranged on the top cover, so that it has a better sealing function, can be sealed without drying, and reduce the probability of moisture.

[0013] As a preferred technical solution, both ends of the front side of the top cover are threadedly connected with hand-tightened screws, and the top cover is connected to the sandbox body through the hand-tightened screws. By providing the hand-tightened screws, the top cover can be quickly disassembled and adjusted during use, which facilitates the use of the device.

[0014] As an optimal technical solution, lampshades are fixedly installed on both sides of the bottom of the top cover, and a heating lamp is fixedly installed on the inner side of the lampshade. By arranging the lampshade and the heating lamp, the temperature inside the sand box can be quickly increased, which can improve the overall drying efficiency of the device.

[0015] In summary, the utility model mainly has the following beneficial effects:

[0016] First, the driving motor is used to drive the spiral stirring paddle to rotate, and the fire fighting sand inside the sand box is tumbling. The driving of the spiral can cause the sand to be transported to the discharge pipe. By starting the first electric push rod to operate and pull the sealing baffle plate upward, the sealing baffle plate can be moved upward to expose the output end of the discharge pipe. At this time, the spiral stirring paddle can be used to assist in driving and conveying, so that the material can be quickly discharged automatically through the discharge pipe, so that the fire fighting sand of the device as a whole is easy to be quickly discharged, which can improve the overall discharge convenience of the device and facilitate the taking and placing of the fire fighting sand;

[0017] Second, the hot air is sprayed into the interior of the sandbox body by the operation of the hot air blower, and the stirring design driven by the spiral stirring paddle is used. At this time, the fire-fighting sand is rolled and fully contacted with the hot air, which can improve the overall efficiency of the sand drying process of the device. In addition, during the drying process, the heating lamp inside the lampshade can be started to assist in irradiating and drying the fire-fighting sand, which can enable the sandbox to have a strong drying function, avoid the fire-fighting sand from being affected by moisture and affecting its use, improve the overall fire-fighting performance of the device, and improve the stability of the use of the device;

[0018] Third, the second electric push rod is used to retract and pull the sealing plate to open the ventilation slot. At this time, the drying mechanism can be used to discharge the moisture generated during the drying of the fire sand, which can improve its overall drying performance. At the same time, after the drying is completed, the second electric push rod can be started to push the sealing plate to cover the ventilation slot, and it can be sealed at this time, so that the sand box has the function of automatically adjusting the ventilation and can have moisture-proof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the sandbox body of the present invention;

[0021] Figure 3 It is a side view structural schematic diagram of the utility model;

[0022] Figure 4 It is a schematic structure diagram of the drying mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of the top cover looking up structure of the utility model.

[0024] Figure numerals: 1. base; 2. supporting legs; 3. sandbox body; 4. discharge mechanism; 41. discharge pipe; 42. bottom plate; 43. concave seat; 44. first electric push rod; 45. sealing baffle; 5. drying mechanism; 51. hot air blower; 52. drying main pipe; 53. drying connecting pipe rack; 54. horizontal pipe; 55. drying pipe; 56. driving motor; 57. spiral stirring paddle; 58. rotating shaft; 6. ventilation mechanism; 61. top cover; 62. ventilation slot; 63. dustproof screen; 64. mounting frame; 65. second electric push rod; 66. sealing plate; 67. lampshade; 68. heating lamp; 69. hand-tightened screw. DETAILED DESCRIPTION

[0025] Example

[0026] refer to Figures 1 to 5 The fire fighting sandbox linkage switch mechanism of this embodiment includes a base 1, support legs 2 are fixedly installed at the four corners of the top of the base 1, a sandbox body 3 is fixedly installed on the top of the support legs 2, a discharge mechanism 4 is fixedly installed at the lower end of one side of the sandbox body 3, a drying mechanism 5 is fixedly installed at the lower end of the sandbox body 3, and a ventilation mechanism 6 is hinged on the top of the sandbox body 3;

[0027] The discharge mechanism 4 includes a discharge pipe 41 and a bottom plate 42. The input end of the discharge pipe 41 is connected to the interior of the sand box body 3. The bottom plate 42 is fixedly installed on the bottom side of the base 1. A concave seat 43 is fixedly installed on the top of the bottom plate 42. A first electric push rod 44 is fixedly installed on the top of the concave seat 43. The output end of the first electric push rod 44 passes through the concave seat 43 and is fixedly installed with a sealing baffle 45. The sealing baffle 45 covers the outside of the discharge pipe 41. By setting the discharge mechanism 4, the device can be operated by starting the first electric push rod 44 during use, and the first electric push rod 44 is used to push the sealing baffle 45 to cover the discharge pipe 41. When the fire sand needs to be discharged, the first electric push rod 44 can be started to drive the sealing baffle 45 to move upward to open the discharge pipe 41, so that the device is easy to discharge quickly and convenient to use.

[0028] refer to Figure 1-Figure 5The drying mechanism 5 includes a hot air blower 51, which is fixedly installed at the lower end of one side of the sand box body 3. A drying main pipe 52 is fixedly installed at the output end of the hot air blower 51. Drying connecting pipe racks 53 are fixedly installed at both ends of the outer side of the drying main pipe 52. A transverse pipe 54 is fixedly installed at the upper end of the drying connecting pipe rack 53. Drying pipes 55 are fixedly installed at equal intervals at the bottom of the transverse pipe 54. The drying mechanism 5 is set so that during the use of the device, the hot air blower 51 can be started to run. When the hot air blower 51 is running, the hot air can be discharged through the drying main pipe 52. The hot air discharge can assist in drying the sand inside the sand box body 3, which can improve the overall drying effect of the device, so that the device has the function of automatically drying fire sand, and the fire-fighting performance of the device can be maintained for a long time.

[0029] refer to Figure 1 , Figure 3 and Figure 5 The ventilation mechanism 6 includes a top cover 61, which is hingedly installed on the top of the sandbox body 3. A ventilation slot 62 is provided on one side of the top of the top cover 61. A dustproof screen 63 is fixedly installed inside the ventilation slot 62. The ventilation mechanism 6 is provided so that during use, the top of the sandbox body 3 can be assisted by the top cover 61 to cover the top of the sandbox body 3. The ventilation slot 62 can assist in ventilation and improve the drying effect. The dustproof screen 63 can assist in filtering the firefighting sand and avoid the firefighting sand from being discharged, so that the device has a strong drying function and can improve its overall firefighting quality.

[0030] refer to Figure 1-Figure 5 The drying mechanism 5 includes a rotating shaft 58 and a driving motor 56. The rotating shaft 58 is rotatably connected to the lower end of the sand box body 3. The driving motor 56 is fixedly installed at the lower end of one side of the sand box body 3. The output end of the driving motor 56 is fixedly connected to one end of the rotating shaft 58. A spiral stirring paddle 57 is fixedly installed on the outer surface of the rotating shaft 58. The drying mechanism 5 is set so that during use, the driving motor 56 can be started to drive the rotating shaft 58 to rotate. The rotating shaft 58 can drive the spiral stirring paddle inside the sand box body 3 to rotate. The rotation of the spiral stirring paddle can cause the fire sand to roll. The hot air of the drying mechanism 5 can improve its overall drying effect. At the same time, in the drying process, the discharging mechanism 4 can be used to quickly drive the material to converge toward the discharging pipe 41, which is convenient for the rapid discharging of the equipment and the use of the equipment.

[0031] refer to Figure 1 and Figure 5A mounting frame 64 is fixedly installed on one side of the top of the top cover 61, and a second electric push rod 65 is fixedly installed on one side of the mounting frame 64. The output end of the second electric push rod 65 passes through the mounting frame 64 and is fixedly installed with a sealing plate 66. The sealing plate 66 covers the outer side of the ventilation slot 62. The mounting frame 64 on the top cover 61 can be set to push the sealing plate 66 to move by starting the second electric push rod, and the sealing plate 66 is used to block the ventilation slot 62. The ventilation slot 62 is sealed by the sealing plate 66, which can have a better sealing function and can be sealed without drying, thereby reducing the probability of moisture.

[0032] refer to Figure 5 Lampshades 67 are fixedly installed on both sides of the bottom of the top cover 61, and heating lamps 68 are fixedly installed on the inner side of the lampshade 67. By setting the lampshade 67 and the heating lamp 68, during use, the heating lamp 68 inside the lampshade 67 can be used to assist in irradiation and heating, so as to quickly heat up the inside of the sand box, thereby improving the overall drying efficiency of the device.

[0033] refer to Figure 1-Figure 5 Both ends of the front side of the top cover 61 are threadedly connected with hand-tightened screws 69, and the top cover 61 is connected to the sandbox body 3 through the hand-tightened screws 69. By setting the hand-tightened screws 69, the top cover 61 can be twisted and fixed during use by twisting the hand-tightened screws 69 to assist in twisting and fixing the top cover 61, so that the top cover 61 can be installed on the top of the sandbox body 3. The hand-tightened screws 69 are easy to twist and adjust as a whole, so that the device can be conveniently and quickly disassembled and adjusted. The top cover 61 is convenient to use.

[0034] Principle and advantages of use: by arranging the discharging mechanism 4 and the drying mechanism 5 to cooperate, the device can be operated by starting the driving motor 56 during use, and the driving motor 56 is used to drive the spiral stirring paddle 57 to rotate. The spiral stirring paddle 57 is located at the lower end of the sand box body 3 to stir, and the fire fighting sand inside the sand box can be driven to roll by the spiral stirring paddle 57. The sand is transported to the discharging pipe 41, and the sealing baffle 45 is moved upward by starting the first electric push rod 44. The output end of the discharging pipe 41 can be exposed by the upward movement of the sealing baffle 45. At this time, the spiral stirring paddle 57 can be used to assist in driving and conveying, so that the material can be quickly discharged automatically through the discharging pipe 41, so that the fire fighting sand of the device as a whole is convenient for rapid discharge, which can improve the convenience of discharging of the device as a whole and facilitate the taking and placing of the fire fighting sand.

[0035] The drying mechanism 5 is provided so that during the use of the device, the driving motor 56 can be started to drive the spiral stirring paddle 57 to assist in stirring the fire-fighting sand in the weather with high humidity. At this time, the fire-fighting sand is in a tumbling and stirring state. By starting the hot air blower 51, the hot air blower 51 can spray hot air through the fire-fighting main pipe, the drying connecting pipe rack 53, the cross pipe 54 and the drying pipe 55. At this time, the driving and stirring design of the spiral stirring paddle is coordinated. At this time, the fire-fighting sand is tumbled and fully in contact with the hot air, which can improve the overall efficiency of the sand drying process of the device. In addition, during the drying process, the heating lamp 68 inside the lampshade 67 can be started to assist in irradiating and drying the fire-fighting sand, which can enable the sand box to have a strong drying function, avoid the fire-fighting sand from being damp and affecting its use, improve the overall fire-fighting performance of the device, and improve the use stability of the device.

[0036] By setting up the ventilation mechanism 6, when the fire-fighting sand needs to be dried during use, the second electric push rod 65 can be started to retract and pull the sealing plate 66 to open the ventilation slot 62. At this time, the drying mechanism 5 can be used to discharge the moisture generated during the drying of the fire-fighting sand, thereby improving its overall drying performance. At the same time, after the drying is completed, the sealing plate 66 can be pushed to cover the ventilation slot 62 by starting the second electric push rod 65, and then it can be sealed, so that the sandbox has the function of automatically adjusting the ventilation and has moisture-proof performance. The hand-tightening screw 69 is provided to assist in fixing the top cover 61, which is convenient for quickly opening and closing the top cover 61, thereby improving the overall convenience of use of the device and improving the overall performance of the device.

Claims

1. A fire fighting sandbox linkage switch mechanism, comprising a base (1), characterized in that: Support legs (2) are fixedly mounted at the four corners of the top of the base (1); a sandbox body (3) is fixedly mounted on the top of the support legs (2); a discharge mechanism (4) is fixedly mounted on the lower end of one side of the sandbox body (3); a drying mechanism (5) is fixedly mounted on the lower end of the sandbox body (3); and a ventilation mechanism (6) is hingedly mounted on the top of the sandbox body (3); The discharge mechanism (4) comprises a discharge pipe (41) and a bottom plate (42); the input end of the discharge pipe (41) is connected to the interior of the sandbox body (3); the bottom plate (42) is fixedly mounted on one side of the bottom of the base (1); a concave seat (43) is fixedly mounted on the top of the bottom plate (42); a first electric push rod (44) is fixedly mounted on the top of the concave seat (43); an output end of the first electric push rod (44) passes through the concave seat (43) and is fixedly mounted with a sealing baffle (45); the sealing baffle (45) covers the outer side of the discharge pipe (41).

2. The fire fighting sandbox linkage switch mechanism according to claim 1, characterized in that: The drying mechanism (5) comprises a hot air blower (51), the hot air blower (51) is fixedly mounted on the lower end of one side of the sandbox body (3), a drying main pipe (52) is fixedly mounted on the output end of the hot air blower (51), drying connecting pipe racks (53) are fixedly mounted on both ends of the outer side of the drying main pipe (52), a transverse pipe (54) is fixedly mounted on the upper end of the drying connecting pipe rack (53), and drying pipes (55) are fixedly mounted at equal intervals on the bottom of the transverse pipe (54).

3. The fire fighting sandbox linkage switch mechanism according to claim 2, characterized in that: The drying mechanism (5) comprises a rotating shaft (58) and a driving motor (56), wherein the rotating shaft (58) is rotatably connected to the lower end of the sandbox body (3), and the driving motor (56) is fixedly installed at the lower end of one side of the sandbox body (3), and the output end of the driving motor (56) is fixedly connected to one end of the rotating shaft (58), and a spiral stirring paddle (57) is fixedly installed on the outer surface of the rotating shaft (58).

4. The fire fighting sandbox linkage switch mechanism according to claim 3, characterized in that: The ventilation mechanism (6) comprises a top cover (61), wherein the top cover (61) is hingedly mounted on the top of the sandbox body (3), a ventilation slot (62) is provided on one side of the top of the top cover (61), and a dustproof screen (63) is fixedly mounted inside the ventilation slot (62).

5. The fire fighting sandbox linkage switch mechanism according to claim 4, characterized in that: A mounting frame (64) is fixedly mounted on one side of the top of the top cover (61), a second electric push rod (65) is fixedly mounted on one side of the mounting frame (64), an output end of the second electric push rod (65) passes through the mounting frame (64) and is fixedly mounted with a sealing plate (66), and the sealing plate (66) covers the outer side of the ventilation slot (62).

6. The fire fighting sandbox linkage switch mechanism according to claim 5, characterized in that: Lamp covers (67) are fixedly mounted on both sides of the bottom of the top cover (61), and a heating lamp (68) is fixedly mounted on the inner side of the lamp cover (67).

7. The fire fighting sandbox linkage switch mechanism according to claim 6, characterized in that: Both ends of the front side of the top cover (61) are threadedly connected with hand-tightened screw rods (69), and the top cover (61) is connected to the sandbox body (3) via the hand-tightened screw rods (69).

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