Plastic container disinfection device for food packaging

Abstract

The utility model provides a plastic container disinfection device for food packaging, which belongs to the technical field of disinfection and comprises a box body, a disinfection device is arranged in the box body, a rotating device is arranged on one side of the disinfection device and comprises a vertically arranged air cylinder, a piston end of the air cylinder is connected with a mounting plate, and liquid distribution pipes on two sides of the mounting plate penetrate through the mounting plate. A rack is arranged at the top end of the mounting plate, the rack is in meshing transmission with the gear, one side of the rack is connected with a piston end of a telescopic rod, and symmetrical round wheels are arranged at the position, located on the side of the rack, of the top end of the mounting plate. And then the disinfection device is driven to rotate, so that the inner side and the outer side of the plastic container are disinfected in all directions, the situation that the disinfection effect is uneven due to the existence of a blind area is avoided, the rack is limited by the round wheel to move left and right within a specified range, and the stability of the rack during operation is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of disinfection, in particular to a plastic container disinfection device for food packaging. Background Art

[0002] With the advancement of science and technology, the continuous development of society, and the continuous optimization and improvement of production and processing equipment, after food-grade plastic containers are produced, they need to be disinfected and sterilized before they can be used to store food.

[0003] Among them, a plastic container disinfection device for food packaging disclosed in application number CN202223423166.3 is also an increasingly mature technology. It can disinfect both the inside of the plastic container and the outer surface of the container, and comprehensively disinfect the outer surface through a circle of side disinfection tubes to improve the disinfection effect. Since the liquid introduction frame is close to the container surface, the surface of the plastic container can be flushed for cleaning, and the side disinfection tube and the inner disinfection tube are directly moved downward or upward before and after disinfection, which is convenient for taking and placing the plastic container.

[0004] Based on this, we agree with the advantages of the above products, but there are still the following defects:

[0005] This type of disinfection device cannot fix the plastic container, and the electric push rod can only move up and down, causing a blind spot in the plastic container, resulting in uneven disinfection effect. Utility Model Content

[0006] The utility model aims to provide a plastic container sterilizing device for food packaging, so as to solve the problems that the plastic container cannot be fixed and there are blind spots in the above-mentioned background technology.

[0007] The embodiment of the utility model provides a plastic container sterilizing device for food packaging, comprising a box body, a sterilizing device is arranged inside the box body, and a rotating device is arranged on one side of the sterilizing device;

[0008] Wherein, the disinfection device comprises a rubber tube penetrating the top of the box body, the two ends of the rubber tube are respectively connected to the conical block and the liquid dispensing tube in an integral manner, the outside of the liquid dispensing tube is provided with gears, the bottom end of the liquid dispensing tube is provided with a side disinfection tube in an annular array, the side disinfection tube is provided with an inner disinfection tube in the middle of the liquid dispensing tube, the bottom end of the inner disinfection tube is provided with a scattered liquid ball, the surface of the scattered liquid is provided with a plurality of through holes, the outer ring of the inner disinfection tube near the bottom end is provided with a support frame, the end of the support frame away from the inner disinfection tube is connected to the inner friction block, the bottom end of the side disinfection tube is provided with a liquid flow block, the middle of the opposite ends of the liquid flow block is provided with a liquid flow port, the upper and lower ends of the liquid flow port are provided with rolling columns, the outer middle end of the side disinfection tube is fixedly connected with a long plate, and the long plates are connected with springs in an annular manner;

[0009] The rotating device includes a vertically arranged cylinder, the piston end of the cylinder is connected to a mounting plate, the liquid dispensing tubes on both sides of the mounting plate penetrate the mounting plate, a rack is arranged at the top of the mounting plate, the rack is meshed with a gear for transmission, one side of the rack is connected to the piston end of the telescopic rod, an L-shaped plate is arranged at the bottom end of the telescopic rod, the telescopic rod is fixed by bolts on the side of the L-shaped plate away from the box body and a limiting block is arranged on the other side, symmetrical circular wheels are arranged at the top of the mounting plate on the side of the rack, and a group of guide blocks are fixedly installed on the side of the mounting plate close to the circular wheel.

[0010] In this embodiment, the conical block is inserted into the interior of the disinfection bottle, and the disinfectant inside the disinfection bottle is transported to the inner disinfection tube and the side disinfection tube through the liquid dispensing tube, and finally the disinfectant is transported to the liquid dispersion port and the liquid flow port, and then the disinfectant is sprayed on the inside and outside of the plastic container. In conjunction with the internal friction block and the liquid flow block, the inside and outside of the plastic container can be frictionally disinfected. The cylinder pushes the mounting plate and the guide block to move downward in a straight line, and the disinfection device is moved to the inside of the plastic container. The telescopic rod pulls the rack to move back and forth left and right, and then the rack and the gear are meshed for transmission, and then the disinfection device is driven to rotate, thereby performing all-round disinfection on the inside and outside of the plastic container to avoid the situation where the disinfection effect is uneven due to blind spots.

[0011] In one embodiment of the utility model, a heating box is arranged outside one side of the box body, and one side of the heating box is connected to the drying box through a connecting pipe, the connecting pipe runs through a side wall of the box body, and a group of guide rods are vertically arranged inside the box body.

[0012] In this solution, the heating box transmits the hot air to the interior of the drying box through the connecting pipe, and the drying box finally disperses the hot air to the interior of the box to dry the sterilized plastic containers. The guide rod cooperates with the guide block. While the mounting plate moves up and down, the guide block of the mounting plate moves up and down synchronously on the surface of the guide rod to prevent the mounting plate from shaking or offsetting.

[0013] In one embodiment of the utility model, a group of magic adhesive plates are arranged on the inner top of the box body, a magic wool plate is adhered to the top of the magic adhesive plate and a container holder is arranged on the top, a box door is hinged on the front of the box body through a hinge, and a handle is arranged on one side of the front of the box door.

[0014] In this solution, by means of adhesive plates, it is convenient to replace container holders of different sizes and to fix plastic containers to prevent the plastic containers from shaking during disinfection. The box door allows the box to be sealed in a sealed space for disinfection and drying.

[0015] In one embodiment of the utility model, a through hole is opened in the middle of the top of the box body, through holes are opened on both sides of the through hole, a bearing sleeve is arranged inside the through hole, a piston end of a cylinder is inserted inside the bearing sleeve, rubber tubes are inserted inside the through holes, and clamping blocks are arranged on both sides of the top of the rubber tube.

[0016] In this solution, the through hole facilitates the pushing and pulling of the piston end of the cylinder, the bearing sleeve prevents the piston end of the cylinder from rubbing against the through hole of the box, the through hole facilitates the insertion of the rubber tube, and the locking block fixes the top position of the rubber tube to prevent the cylinder from pushing the mounting plate and the top of the rubber tube from entering the interior of the box.

[0017] In one embodiment of the utility model, a movable groove is provided on the side of the box body away from the heating box, and limiting grooves are provided on both sides of the movable groove. The interior of the movable groove is slidably connected to the piston end of the telescopic rod, and the limiting groove is slidably connected to the limiting block.

[0018] In this solution, the movable groove facilitates the cylinder to push the mounting plate to move, driving the piston end of the telescopic rod to move along the inside of the movable groove, thereby driving the synchronous movement with the rack. The limit groove facilitates the synchronous sliding of the L-shaped plate along the trajectory of the limit groove, keeping the mounting plate and the telescopic rod synchronized when moving.

[0019] In an implementation manner of the utility model, four corners of the bottom end of the box body are provided with supporting legs, and the middle parts of the supporting legs are provided with reinforcing ribs.

[0020] In this solution, the bottom end of the box is supported by legs, and the reinforcing ribs can improve the strength and rigidity of the legs.

[0021] In one embodiment of the utility model, a switch panel is provided at a side corner of the box body located at the movable groove, a cylinder switch, a telescopic rod switch and a heating box switch are provided on one side of the switch panel, and the switch panel is electrically connected to an external power supply.

[0022] In this solution, the electrical equipment is powered on through a switch panel, and independent switches provide independent protection for the electrical equipment.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. Open the box door by pulling the handle, place the plastic container to be disinfected on the top of the container bracket, fix the container bracket, close the box door, insert the conical block into the disinfection bottle, and transport the disinfectant in the disinfection bottle to the inner disinfection tube and the side disinfection tube through the liquid dispensing tube, and finally transport the disinfectant to the liquid dispersing port of the liquid dispersing ball and the liquid flow port of the liquid flow block, and then spray the disinfectant on the inside and outside of the plastic container. With the help of the inner friction block and the liquid flow block, the inside and outside of the plastic container can be frictionally disinfected;

[0025] 2. The rack is pulled back and forth by the telescopic rod, so that the rack and the gear mesh and transmit, and then the disinfection device is driven to rotate, so as to fully disinfect the inside and outside of the plastic container, avoiding the situation where the disinfection effect is uneven due to the existence of blind spots. The circular wheel limits the rack to move left and right within the specified range to maintain the stability of the rack during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 This is a schematic diagram of the overall structure of the disinfection device of the utility model;

[0028] Figure 2 This is a schematic diagram of the front structure of the box of the utility model;

[0029] Figure 3 This is a schematic diagram of the side structure of the box of the utility model

[0030] Figure 4 This is a schematic diagram of the structure of the utility model disinfection device

[0031] Figure 5 This is a schematic diagram of the disassembled structure of the utility model disinfection device

[0032] Figure 6 It is a structural schematic diagram of the rotating device of the utility model.

[0033] In the figure: 100, box body; 110, heating box; 111, drying box; 112, guide rod; 113, magic sticky board; 114, container support; 115, box door; 116, through hole; 117, through hole; 118, engaging block; 119, moving slot; 120, limiting slot; 121, supporting leg; 122, switch panel;

[0034] 200, disinfection device; 210, rubber tube; 211, liquid dispensing tube; 212, gear; 213, side disinfection tube; 214, inner disinfection tube; 215, liquid dispersion ball; 216, support frame; 217, inner friction block; 218, liquid flow block; 219, rolling column; 220, long board; 221, spring;

[0035] 300, rotating device; 310, cylinder; 311, mounting plate; 312, rack; 313, telescopic rod; 314, L-shaped plate; 315, limit block; 316, round wheel; 317, guide block. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] Example

[0038] See also Figure 1-6 The utility model provides a technical solution: a plastic container sterilizing device for food packaging, comprising a box body 100, a sterilizing device 200 is arranged inside the box body 100, and a rotating device 300 is arranged on one side of the sterilizing device 200;

[0039] For details, please refer to Figure 2 and Figure 3 The disinfection device 200 includes a rubber tube 210 that passes through the top of the box 100. The two ends of the rubber tube 210 are respectively connected to the cone block and the liquid dispensing tube 211 in an integral manner. The outer portion of the liquid dispensing tube 211 is provided with a gear 212. The bottom end of the liquid dispensing tube 211 is provided with a side disinfection tube 213 in an annular array. The side disinfection tube 213 is located in the middle of the liquid dispensing tube 211 and is provided with an inner disinfection tube 214. The bottom end of the inner disinfection tube 214 is provided with a liquid dispersion ball 215. The surface of the liquid dispersion ball 215 is provided with a plurality of liquid dispersion holes. A support frame 216 is arranged in an outer ring shape near the bottom end of the inner disinfection tube 214, and one end of the support frame 216 away from the inner disinfection tube 214 is connected to an inner friction block 217. A liquid flow block 218 is arranged at the bottom end of the side disinfection tube 213, and a liquid flow port is opened in the middle of the opposite end of the liquid flow block 218, and rolling columns 219 are arranged at the upper and lower ends of the liquid flow port. A long plate 220 is fixedly connected to the outer middle end of the side disinfection tube 213, and a spring 221 is connected in an annular shape between the long plates 220.

[0040] In a specific embodiment, please refer to Figure 2 and Figure 3 , inserted into the interior of the disinfection bottle through the conical block, the disinfectant inside the disinfection bottle is transported to the inner disinfection tube 214 and the side disinfection tube 213 through the liquid dispensing tube 211, and finally the disinfectant is transported to the liquid dispersing port of the liquid dispersing ball 215 and the liquid flow port of the liquid flow block 218, and then the disinfectant is sprayed on the inside and outside of the plastic container. In conjunction with the internal friction block 217 and the liquid flow block 218, the inside and outside of the plastic container can be frictionally disinfected. The rolling column 219 facilitates the rolling of the surface of the plastic container for disinfection. The spring 221 assists the side disinfection tube 213 to rebound and reset. When supported outward by the plastic container, the side disinfection tube 213 presses the liquid flow block 218 to the outer surface of the plastic container.

[0041] See also Figure 6The rotating device 300 includes a vertically arranged cylinder 310, the piston end of the cylinder 310 is connected to the mounting plate 311, the liquid dispensing tubes 211 on both sides of the mounting plate 311 all penetrate the mounting plate 311, a rack 312 is arranged at the top of the mounting plate 311, the rack 312 is meshed with the gear 212 for transmission, one side of the rack 312 is connected to the piston end of the telescopic rod 313, the bottom end of the telescopic rod 313 is arranged with an L-shaped plate 314, the telescopic rod 313 is fixed by bolts on the side of the L-shaped plate 314 away from the box body 100 and a limiting block 315 is arranged on the other side, the top of the mounting plate 311 is located on the side of the rack 312 and is provided with a symmetrical round wheel 316, and a group of guide blocks 317 are fixedly installed on the side of the mounting plate 311 close to the round wheel 316.

[0042] In a specific embodiment, please refer to Figure 6 By starting the cylinder 310 and the telescopic rod 313, the cylinder 310 pushes the mounting plate 311 and the guide block 317 to move downward in a straight line, and the disinfection device 200 is moved to the inside of the plastic container. The telescopic rod 313 pulls the rack 312 to move back and forth left and right, so that the rack 312 and the gear 212 are meshed and transmitted, and then the disinfection device 200 is driven to rotate, so that the inside and outside of the plastic container are fully disinfected, avoiding the situation where the blind spot causes uneven disinfection effect. The L-shaped plate 314 fixes the telescopic rod 313, and the round wheel 316 limits the rack 312 to move left and right within the specified range, so as to maintain the stability of the rack 312 during operation.

[0043] See also Figure 2 A heating box 110 is arranged outside one side of the box body 100, and one side of the heating box 110 is connected to a drying box 111 through a connecting pipe. The connecting pipe runs through a side wall of the box body 100, and a group of guide rods 112 are vertically arranged inside the box body 100.

[0044] In a specific embodiment, please refer to Figure 2 By starting the heating box 110, the heating box 110 transmits the hot air to the inside of the drying box 111 through the connecting pipe, and finally the drying box 111 disperses the hot air to the inside of the box body 100 to dry the sterilized plastic container. The guide rod 112 cooperates with the guide block 317. When the mounting plate 311 moves up and down, the guide block 317 of the mounting plate 311 moves up and down synchronously on the surface of the guide rod 112, ensuring that the mounting plate 311 moves along the guide rod 112 when the mounting plate 311 moves up and down, avoiding the mounting plate 311 from shaking or deflecting, thereby ensuring the safety and stability of the mounting plate 311 during operation.

[0045] See also Figure 2A group of magic adhesive plates 113 are arranged at the top of the inner part of the box body 100, a magic wool plate is attached to the top of the magic adhesive plate 113 and a container holder 114 is arranged at the top. A box door 115 is hinged on the front of the box body 100 through a hinge, and a handle is arranged on one side of the front of the box door 115.

[0046] In a specific embodiment, please refer to Figure 2 By means of the adhesive plate, it is convenient to replace the container holder 114 of different sizes and to fix the plastic container to prevent the plastic container from shaking during disinfection. The handle is convenient for closing and opening the box door 115. The box door 115 allows the box body 100 to be kept in a sealed space for disinfection and drying, thereby improving the effect of disinfection and drying and preventing dust from falling in.

[0047] See also Figure 3 A through hole 116 is provided in the middle of the top of the box body 100, through holes 117 are provided on both sides of the through hole 116, a bearing sleeve is provided inside the through hole 116, the piston end of the cylinder 310 is inserted inside the bearing sleeve, a rubber tube 210 is inserted inside the through hole 117, and locking blocks 118 are provided on both sides of the top of the rubber tube 210.

[0048] In a specific embodiment, please refer to Figure 3 The through hole 116 facilitates the pushing and pulling of the piston end of the cylinder 310. The bearing sleeve prevents the piston end of the cylinder 310 from rubbing against the through hole 116 of the box 100. The through hole 117 facilitates the insertion of the rubber tube 210. The locking block 118 fixes the top position of the rubber tube 210 to prevent the cylinder 310 from pushing the mounting plate 311. The top of the rubber tube 210 enters the interior of the box 100. The rubber tube 210 is flexible and can be stretched.

[0049] See also Figure 3 A movable groove 119 is provided on one side of the box body 100 away from the heating box 110, and limiting grooves 120 are provided on both sides of the movable groove 119. The piston end of the telescopic rod 313 is slidably connected inside the movable groove 119, and the limiting groove 120 is slidably connected to the limiting block 315.

[0050] In a specific embodiment, please refer to Figure 3 Through the moving groove 119, the cylinder 310 drives the piston end of the telescopic rod 313 to move along the inside of the moving groove 119 when pushing the mounting plate 311 to move, thereby driving the synchronous movement with the rack 312. The limiting groove 120 facilitates the synchronous sliding of the L-shaped plate 314 along the track of the limiting groove 120, keeping the telescopic rod 313 synchronized when the mounting plate 311 moves.

[0051] See also Figure 3 The four corners of the bottom end of the box body 100 are all provided with supporting legs 121, and the middle parts of the supporting legs 121 are all provided with reinforcing ribs.

[0052] In a specific embodiment, please refer to Figure 3 The bottom end of the box body 100 is supported by the legs 121 , and the reinforcing ribs can improve the strength and rigidity of the legs 121 .

[0053] See also Figure 3 A switch panel 122 is provided at one side corner of the box body 100 located at the movable groove 119. A cylinder switch, a telescopic rod switch and a heating box switch are provided on one side of the switch panel 122. The switch panel 122 is electrically connected to an external power supply.

[0054] In a specific embodiment, please refer to Figure 3 The electrical equipment is powered on through the switch panel 122, and the independent switch provides independent protection for the electrical equipment.

[0055] The utility model provides a plastic container disinfection device for food packaging, and the specific use method is as follows:

[0056] Before use: the staff turns on the external power supply, turns on the switch panel 122, and then turns on the cylinder switch, the telescopic rod switch and the heating box switch in turn. The staff opens the box door 115 by pulling the handle, places the plastic container to be disinfected on the top of the container holder 114, fixes the container holder 114, closes the box door 115, inserts the conical block into the inside of the disinfection bottle, and the disinfectant in the disinfection bottle is transported to the inner disinfection tube 214 and the side disinfection tube 213 through the liquid distribution tube 211, and finally transports the disinfectant to the liquid dispersing port of the liquid dispersing ball 215 and the liquid flow port of the liquid flow block 218, and then sprays the disinfectant on both sides of the inside and outside of the plastic container, and cooperates with the inner friction block 217 and the liquid flow block 218 to perform friction disinfection on both sides of the plastic container;

[0057] During use: the cylinder 310 pushes the mounting plate 311 and the guide block 317 to move straight downward, and the guide block 317 moves up and down synchronously on the surface of the guide rod 112, ensuring that the mounting plate 311 moves along the guide rod 112 when the mounting plate 311 moves up and down, thereby preventing the mounting plate 311 from shaking or deviating. At the same time, when the mounting plate 311 moves, the piston end of the telescopic rod 313 moves along the inside of the moving groove 119, thereby driving the synchronous movement with the rack 312, and the limiting groove 120 facilitates the L-shaped plate 314 to slide synchronously along the track of the limiting groove 120 The mounting plate 311 is kept in motion so that the telescopic rod 313 is kept in sync, and the disinfection device 200 is moved to the inside of the plastic container. The telescopic rod 313 pulls the rack 312 to move back and forth, so that the rack 312 is meshed with the gear 212 for transmission, and the disinfection device 200 is driven to rotate, so that the inside and outside of the plastic container are fully disinfected, and the situation that the blind spot causes uneven disinfection effect is avoided. The round wheel 316 limits the rack 312 to move left and right within a specified range, and maintains the stability of the rack 312 during operation;

[0058] After use: by starting the heating box 110, the heating box 110 transmits the hot air to the inside of the drying box 111 through the connecting pipe, and finally the drying box 111 dissipates the hot air to the inside of the box body 100 to dry the sterilized plastic container.

[0059] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plastic container sterilizing device for food packaging, characterized in that: include: A box (100), wherein a disinfection device (200) is disposed inside the box (100), and a rotating device (300) is disposed on one side of the disinfection device (200); The disinfection device (200) comprises a rubber tube (210) penetrating the top of the housing (100), the two ends of the rubber tube (210) are respectively connected in an integral manner to a conical block and a liquid dispensing tube (211), a gear (212) is arranged on the outside of the liquid dispensing tube (211), a side disinfection tube (213) is arranged in a circular array at the bottom end of the liquid dispensing tube (211), an inner disinfection tube (214) is arranged in the middle of the side disinfection tube (213), a liquid dispersion ball (215) is arranged at the bottom end of the inner disinfection tube (214), and a plurality of liquid dispersion balls (215) are provided on the surface of the liquid dispersion ball (215). A liquid dispersion port, a support frame (216) is provided in an outer ring shape near the bottom end of the inner disinfection tube (214), one end of the support frame (216) away from the inner disinfection tube (214) is connected to an inner friction block (217), a liquid flow block (218) is provided at the bottom end of each side disinfection tube (213), a liquid flow port is provided in the middle of the opposite ends of each liquid flow block (218), rolling columns (219) are provided at the upper and lower ends of each liquid flow port, a long plate (220) is fixedly connected to the outer middle end of each side disinfection tube (213), and springs (221) are connected in an annular shape between each long plate (220); The rotating device (300) comprises a vertically arranged cylinder (310), the piston end of the cylinder (310) is connected to a mounting plate (311), the liquid dispensing pipes (211) on both sides of the mounting plate (311) penetrate the mounting plate (311), a rack (312) is arranged at the top end of the mounting plate (311), the rack (312) is meshed with the gear (212) for transmission, one side of the rack (312) is connected to the piston end of the telescopic rod (313), An L-shaped plate (314) is provided at the bottom end of the telescopic rod (313); the telescopic rod (313) is fixed by bolts on the side of the L-shaped plate (314) away from the box (100) and a limiting block (315) is provided on the other side; a symmetrical round wheel (316) is provided at the top end of the mounting plate (311) and located on the side of the rack (312); a group of guide blocks (317) is fixedly installed on the side of the mounting plate (311) close to the round wheel (316).

2. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: A heating box (110) is arranged outside one side of the box body (100); one side of the heating box (110) is connected to a drying box (111) via a connecting pipe; the connecting pipe passes through a side wall of the box body (100); and a group of guide rods (112) are vertically arranged inside the box body (100).

3. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: A group of magic adhesive plates (113) are arranged at the top of the interior of the box body (100), a magic wool plate is adhered to the top of the magic adhesive plate (113) and a container holder (114) is arranged at the top, and a box door (115) is hingedly connected to the front of the box body (100) through a hinge, and a handle is arranged on one side of the front of the box door (115).

4. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: A through hole (116) is provided in the middle of the top of the box body (100), through holes (117) are provided on both sides of the through hole (116), a bearing sleeve is provided inside the through hole (116), a piston end of a cylinder (310) is inserted inside the bearing sleeve, a rubber tube (210) is inserted inside the through hole (117), and locking blocks (118) are provided on both sides of the top of the rubber tube (210).

5. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: A movable groove (119) is provided on one side of the box body (100) away from the heating box (110), and limiting grooves (120) are provided on both sides of the movable groove (119). The interior of the movable groove (119) is slidably connected to the piston end of the telescopic rod (313), and the limiting groove (120) is slidably connected to the limiting block (315).

6. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: The four corners of the bottom end of the box body (100) are all provided with supporting legs (121), and the middle parts of the supporting legs (121) are all provided with reinforcing ribs.

7. A plastic container sterilizing device for food packaging according to claim 1, characterized in that: The box body (100) is provided with a switch panel (122) at a side corner of the movable groove (119), and a cylinder switch, a telescopic rod switch and a heating box switch are provided on one side of the switch panel (122). The switch panel (122) is electrically connected to an external power supply.

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