Fruit and vegetable pesticide residue treatment device

Abstract

The utility model provides a fruit and vegetable pesticide residue treatment device, belongs to the technical field of food treatment equipment, and aims to solve the problem that the cleaning efficiency of fruits and vegetables is affected due to the fact that many existing fruits and vegetables with small sizes easily float at fixed positions in a cleaning box. Comprising a cleaning box body, a cleaning mounting plate, a cleaning conveying belt, a cleaning bubbling machine, a cleaning spraying piece, a flushing water pump, a flushing driving motor, a drained water taking mechanism and a flushing driving mechanism; the cleaning conveying belt is arranged on the inner side of the cleaning box body; the cleaning spraying pieces are rotationally connected to the upper end of the inner side of the cleaning box body. A flushing water pump is fixedly connected to the upper part of the cleaning mounting plate; the flushing driving motor is fixedly connected to the front part of the cleaning box body; a draining and taking mechanism is arranged at the left end of the inner side of the cleaning box body; the washing driving mechanism is arranged on the outer side of the cleaning box body, the situation that fruits and vegetables float on the cleaning water surface is avoided, stable conveying of the fruits and vegetables is guaranteed, and the cleaning efficiency of the fruits and vegetables is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of food processing equipment, and more specifically, particularly relates to a device for treating pesticide residues on fruits and vegetables. Background Art

[0002] When processing the picked fruits and vegetables, in order to avoid pesticide residues on the fruits and vegetables, generally, the fruits and vegetables need to be washed. When the existing fruits and vegetables are washed, generally, a washing machine is used for washing. The fruits and vegetables are put into the washing machine, and driven by a conveyor belt, the fruits and vegetables enter the washing tank. Generally, the fruits and vegetables are rinsed by the nozzles in the washing tank, and the bottom surface of the fruits and vegetables is washed by the bubbling machine in the washing tank.

[0003] The existing fruit and vegetable residual pesticide washing machine with the application number: CN200910152637.1 includes: a washing tank, a horizontal conveyor belt for uniformly transporting fruits and vegetables is arranged in the washing tank; a water supply device for rinsing fruits and vegetables, the water supply device includes a purified water tank, a water delivery pipe for sending the water in the purified water tank into the washing tank, and a water return pipe for recycling the waste water in the washing tank back to the purified water tank; the water delivery pipe is connected to an ozone generator, and a gas-liquid mixing pump and a static mixing pump for fully dissolving ozone into water are arranged on the water delivery pipe; the washing tank is connected to an ultrasonic generating device. The invention has the advantages of retaining the nutrition of fruits and vegetables while removing the residual pesticides on the fruits and vegetables, being able to disinfect a large number of fruits and vegetables, and having high efficiency.

[0004] Based on the above, when the existing fruit and vegetable washing machine is in use, since the movement of the fruits and vegetables in the washing tank is generally driven by a conveyor belt, but due to the slow movement speed of the conveyor belt, many small-sized fruits and vegetables are likely to float at a fixed position in the washing tank, resulting in slow movement of the fruits and vegetables and affecting the washing efficiency of the fruits and vegetables. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a device for treating pesticide residues on fruits and vegetables, so as to solve the problem that when the existing fruit and vegetable washing machine is in use, since the movement of the fruits and vegetables in the washing tank is generally driven by a conveyor belt, but due to the slow movement speed of the conveyor belt, many small-sized fruits and vegetables are likely to float at a fixed position in the washing tank, resulting in slow movement of the fruits and vegetables and affecting the washing efficiency of the fruits and vegetables.

[0006] The purpose and effect of the device for treating pesticide residues on fruits and vegetables of the utility model are achieved by the following specific technical means:

[0007] A device for treating pesticide residues on fruits and vegetables includes a washing box body, a washing mounting plate, a washing conveyor belt, a washing bubbling machine, a washing spraying member, a flushing water pump, a flushing driving motor, a draining and taking mechanism, and a flushing driving mechanism;

[0008] The cleaning mounting plate is fixedly connected above the cleaning box body;

[0009] The cleaning conveyor belt is arranged inside the cleaning box body;

[0010] The cleaning bubbler is arranged on the inner bottom surface of the cleaning box body;

[0011] There are multiple groups of cleaning spray parts. The multiple groups of cleaning spray parts are respectively rotatably connected to the upper end inside the cleaning box body. A number of nozzle structures are arranged at the lower ends of the multiple groups of cleaning spray parts. The multiple groups of cleaning spray parts are all internally communicated with the cleaning mounting plate through hoses;

[0012] The flushing water pump is fixedly connected above the cleaning mounting plate. The water inlet pipe of the flushing water pump is communicated with the external water source, and the water outlet pipe of the flushing water pump is internally communicated with the cleaning mounting plate;

[0013] The flushing drive motor is fixedly connected in front of the cleaning box body;

[0014] The water draining and taking mechanism is arranged at the left end inside the cleaning box body;

[0015] The flushing drive mechanism is arranged outside the cleaning box body.

[0016] Further, the water draining and taking mechanism includes: a taking limit chute, a taking water draining basket and a taking handle;

[0017] The taking limit chute is opened at the left end inside the cleaning box body;

[0018] The taking water draining basket is slidably connected inside the taking limit chute;

[0019] The taking handle is fixedly connected above the taking water draining basket.

[0020] Further, the flushing drive mechanism includes: a flushing connecting rod and a flushing transmission rod;

[0021] There are multiple groups of flushing connecting rods. The multiple groups of flushing connecting rods are respectively coaxially fixedly connected to the rear ends of the cleaning spray parts;

[0022] There are multiple groups of flushing transmission rods. The left and right ends of the multiple groups of flushing transmission rods are both hinged to the flushing connecting rods.

[0023] Further, the flushing drive mechanism further includes: a flushing drive disk and a flushing drive rod;

[0024] The flushing drive disk is coaxially fixedly connected to the rear end of the rotating shaft of the flushing drive motor. A convex block structure is arranged at the centrifugal part of the rear end of the flushing drive disk;

[0025] The flushing drive rod is coaxially and fixedly connected to the front end of the middle group of cleaning spray parts. A rectangular groove structure is arranged inside the flushing drive rod, and the convex block of the flushing drive disc is arranged inside the rectangular groove of the flushing drive rod.

[0026] Further, the flushing drive mechanism further includes: a flushing drive part and an opening and closing fixing part;

[0027] The flushing drive part is fixedly connected above the flushing drive rod, and the flushing drive part is provided with a rectangular groove structure;

[0028] The opening and closing fixing part is fixedly connected above the cleaning mounting plate, and the water outlet pipe of the flushing water pump is arranged inside the flushing drive part.

[0029] Further, the flushing drive mechanism further includes: an opening and closing sliding seat, a first opening and closing slider, a second opening and closing slider, an opening and closing compression spring, an opening and closing compression rod, an opening and closing trigger part, an opening and closing connecting part and an opening and closing compression part;

[0030] Two groups of the opening and closing sliding seats are provided, and the two groups of opening and closing sliding seats are respectively fixedly connected to the front end above the cleaning mounting plate;

[0031] The first opening and closing slider is slidably connected inside the front group of opening and closing sliding seats. A long rod structure is arranged at the front end of the first opening and closing slider, and the long rod structure of the first opening and closing slider is arranged inside the rectangular groove of the flushing drive part;

[0032] The second opening and closing slider is slidably connected inside the rear group of opening and closing sliding seats;

[0033] The opening and closing compression spring is fixedly connected inside the rear group of opening and closing sliding seats, and the right end of the opening and closing compression spring is fixedly connected to the second opening and closing slider;

[0034] The opening and closing compression rod is fixedly connected to the left end of the second opening and closing slider;

[0035] The opening and closing trigger part is fixedly connected to the rear end of the first opening and closing slider;

[0036] The opening and closing connecting part is slidably connected in front of the second opening and closing slider, and the rear end of the opening and closing connecting part is connected to the second opening and closing slider through a spring;

[0037] The opening and closing compression part is fixedly connected to the right side of the front group of opening and closing sliding seats, and the opening and closing compression part and the opening and closing trigger part together form a wedge structure.

[0038] Compared with the prior art, the utility model has the following beneficial effects:

[0039] With the setting of the water drainage and picking mechanism of the present utility model, fruits and vegetables are placed inside the cleaning box body. The flushing water pump is turned on, and the flushing water pump sprays external water source onto the fruits and vegetables through the cleaning spraying parts, realizing the flushing of the fruits and vegetables, removing the sludge and residual pesticides on the surface of the fruits and vegetables. At the same time, the cleaning bubbling machine is turned on, and the cleaning bubbling machine realizes the bubbling cleaning of the fruits and vegetables, ensuring the cleaning effect of the fruits and vegetables. The cleaning conveyor belt realizes the conveying of the fruits and vegetables, conveying the cleaned fruits and vegetables into the picking and draining basket, and the picking and draining basket realizes the draining effect of the fruits and vegetables, facilitating the user to pick the fruits and vegetables.

[0040] With the setting of the flushing driving mechanism of the present utility model, the flushing driving motor is turned on. The rotating shaft of the flushing driving motor rotates to drive the flushing driving disc to rotate. The rotation of the flushing driving disc drives the flushing driving rod to swing. The swing of the flushing driving rod drives the middle group of cleaning spraying parts to swing. Under the combined action of the flushing connecting rod and the flushing transmission rod, at this time, the cleaning spraying parts swing together. The common swing of the cleaning spraying parts increases the flushing range and improves the flushing effect on the fruits and vegetables.

[0041] With the setting of the flushing driving mechanism of the present utility model, when the first slider of the opening and closing slides to the right, at this time, the first slider of the opening and closing drives the opening and closing triggering part to slide to the right. The rightward sliding of the opening and closing triggering part drives the opening and closing connecting part to slide to the right. The rightward sliding of the opening and closing connecting part drives the second slider of the opening and closing to slide to the right. The rightward sliding of the second slider of the opening and closing drives the opening and closing extrusion rod to move to the right. At this time, the opening and closing extrusion rod no longer extrudes the water outlet pipe of the flushing water pump. When the opening and closing connecting part slides to the right and contacts the opening and closing extrusion part, at this time, under the action of the opening and closing extrusion spring of the second slider of the opening and closing, the opening and closing extrusion rod re-extrudes the water outlet pipe of the flushing water pump, realizing the opening and closing of the cleaning spraying parts, ensuring that the cleaning spraying parts only flush the fruits and vegetables to the left, avoiding the fruits and vegetables floating on the cleaning water surface, ensuring the stable conveying of the fruits and vegetables, and improving the cleaning efficiency of the fruits and vegetables. Description of the Drawings

[0042] Figure 1 is the overall structural schematic diagram of the present utility model.

[0043] Figure 2 is the structural schematic diagram of the flushing connecting rod of the present utility model.

[0044] Figure 3 is the structural schematic diagram of the water drainage and picking mechanism of the present utility model.

[0045] Figure 4 is the structural schematic diagram of the flushing driving disc of the present utility model.

[0046] Figure 5 is the structural schematic diagram of the flushing driving mechanism of the present utility model.

[0047] Figure 6It is a schematic structural diagram of the opening and closing extrusion rod of the present utility model.

[0048] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0049] 1. Cleaning box body; 101. Taking limit chute; 102. Taking water-draining basket; 103. Taking handle; 2. Cleaning mounting plate; 3. Cleaning conveyor belt; 4. Cleaning bubbler; 5. Cleaning spray member; 6. Flushing water pump; 601. Flushing connecting rod; 602. Flushing transmission rod; 603. Flushing driving disc; 604. Flushing driving rod; 605. Flushing driving member; 606. Opening and closing fixing member; 607. Opening and closing sliding seat; 608. First opening and closing slider; 609. Second opening and closing slider; 610. Opening and closing extrusion spring; 611. Opening and closing extrusion rod; 612. Opening and closing triggering member; 613. Opening and closing connecting member; 614. Opening and closing extrusion member; 7. Flushing driving motor. Specific embodiments

[0050] The following further describes the embodiments of the present utility model in detail with reference to the drawings and examples.

[0051] Embodiment 1:

[0052] As shown in Figure 1 to Figure 3 shown:

[0053] The present utility model provides a fruit and vegetable pesticide residue treatment device, including a cleaning box body 1, a cleaning mounting plate 2, a cleaning conveyor belt 3, a cleaning bubbler 4, a cleaning spray member 5, a flushing water pump 6, a flushing driving motor 7 and a water-draining and taking mechanism;

[0054] The cleaning mounting plate 2 is fixedly connected above the cleaning box body 1;

[0055] The cleaning conveyor belt 3 is arranged inside the cleaning box body 1;

[0056] The cleaning bubbler 4 is arranged on the inner bottom surface of the cleaning box body 1;

[0057] There are multiple groups of cleaning spray members 5, and multiple groups of cleaning spray members 5 are respectively rotatably connected to the upper end inside the cleaning box body 1. A plurality of nozzle structures are arranged at the lower ends of multiple groups of cleaning spray members 5, and multiple groups of cleaning spray members 5 are all internally communicated with the cleaning mounting plate 2 through hoses;

[0058] The flushing water pump 6 is fixedly connected above the cleaning mounting plate 2. The water inlet pipe of the flushing water pump 6 is communicated with an external water source, and the water outlet pipe of the flushing water pump 6 is internally communicated with the cleaning mounting plate 2;

[0059] The flushing driving motor 7 is fixedly connected in front of the cleaning box body 1;

[0060] The draining and taking mechanism is arranged at the left end inside the cleaning box body 1.

[0061] Among them, the draining and taking mechanism includes: a taking limit chute 101, a taking draining basket 102 and a taking handle 103;

[0062] The taking limit chute 101 is opened at the left end inside the cleaning box body 1;

[0063] The taking draining basket 102 is slidably connected inside the taking limit chute 101;

[0064] The taking handle 103 is fixedly connected above the taking draining basket 102.

[0065] During use, when fruits and vegetables need to be cleaned, the fruits and vegetables are placed inside the cleaning box body 1, the flushing water pump 6 is turned on, and the flushing water pump 6 sprays external water source onto the fruits and vegetables through the cleaning spray member 5, realizing the flushing of the fruits and vegetables, removing the sludge and residual pesticides on the surface of the fruits and vegetables. At the same time, the cleaning bubbling machine 4 is turned on, and the cleaning bubbling machine 4 realizes the bubbling cleaning of the fruits and vegetables, ensuring the cleaning effect of the fruits and vegetables. The cleaning conveyor belt 3 realizes the conveying of the fruits and vegetables, conveys the cleaned fruits and vegetables into the taking draining basket 102, and the taking draining basket 102 realizes the draining effect of the fruits and vegetables, facilitating the user to take the fruits and vegetables.

[0066] Embodiment 2:

[0067] The present utility model provides a device for treating pesticide residues on fruits and vegetables. On the basis of Embodiment 1, as Figures 1 to 6 shown, it further includes a flushing driving mechanism, and the flushing driving mechanism is arranged outside the cleaning box body 1,

[0068] Among them, the flushing driving mechanism includes: a flushing connecting rod 601, a flushing transmission rod 602, a flushing driving disk 603, a flushing driving rod 604, a flushing driving member 605, an opening and closing fixing member 606, an opening and closing sliding seat 607, an opening and closing first slider 608, an opening and closing second slider 609, an opening and closing compression spring 610, an opening and closing compression rod 611, an opening and closing trigger member 612, an opening and closing connecting member 613 and an opening and closing compression member 614;

[0069] Multiple groups of flushing connecting rods 601 are provided, and multiple groups of flushing connecting rods 601 are respectively coaxially and fixedly connected to the rear end of the cleaning spray member 5;

[0070] Multiple groups of flushing transmission rods 602 are provided, and the left and right ends of multiple groups of flushing transmission rods 602 are respectively hinged to the flushing connecting rod 601;

[0071] The flushing driving disk 603 is coaxially and fixedly connected to the rear end of the rotating shaft of the flushing driving motor 7, and a convex block structure is arranged at the centrifugal part of the rear end of the flushing driving disk 603;

[0072] The flushing drive rod 604 is coaxially and fixedly connected to the front end of the middle group of cleaning spray parts 5. A rectangular groove structure is arranged inside the flushing drive rod 604, and the convex block of the flushing drive disc 603 is arranged inside the rectangular groove of the flushing drive rod 604;

[0073] The flushing drive part 605 is fixedly connected above the flushing drive rod 604, and the flushing drive part 605 is provided with a rectangular groove structure;

[0074] The opening and closing fixing part 606 is fixedly connected above the cleaning mounting plate 2, and the water outlet pipe of the flushing water pump 6 is arranged inside the flushing drive part 605;

[0075] Two groups of opening and closing sliding seats 607 are provided, and the two groups of opening and closing sliding seats 607 are respectively fixedly connected to the front end above the cleaning mounting plate 2;

[0076] The first opening and closing slider 608 is slidably connected inside the front group of opening and closing sliding seats 607. A long rod structure is arranged at the front end of the first opening and closing slider 608, and the long rod structure of the first opening and closing slider 608 is arranged inside the rectangular groove of the flushing drive part 605;

[0077] The second opening and closing slider 609 is slidably connected inside the rear group of opening and closing sliding seats 607;

[0078] The opening and closing compression spring 610 is fixedly connected inside the rear group of opening and closing sliding seats 607, and the right end of the opening and closing compression spring 610 is fixedly connected to the second opening and closing slider 609;

[0079] The opening and closing compression rod 611 is fixedly connected to the left end of the second opening and closing slider 609;

[0080] The opening and closing trigger part 612 is fixedly connected to the rear end of the first opening and closing slider 608;

[0081] The opening and closing connecting part 613 is slidably connected in front of the second opening and closing slider 609, and the rear end of the opening and closing connecting part 613 is connected to the second opening and closing slider 609 through a spring;

[0082] The opening and closing extrusion part 614 is fixedly connected to the right side of the front group of opening and closing sliding seats 607, and the opening and closing extrusion part 614 and the opening and closing trigger part 612 together form a wedge structure.

[0083] In use, when it is necessary to rinse fruits and vegetables, the rinsing drive motor 7 is turned on at this time. The rotation of the rotating shaft of the rinsing drive motor 7 drives the rinsing drive disc 603 to rotate. The rotation of the rinsing drive disc 603 drives the rinsing drive rod 604 to swing. The swing of the rinsing drive rod 604 drives the middle group of cleaning spray parts 5 to swing. Under the combined action of the rinsing connecting rod 601 and the rinsing transmission rod 602, the cleaning spray parts 5 swing together at this time. The common swing of the cleaning spray parts 5 increases the rinsing range and improves the rinsing effect on fruits and vegetables. At the same time, the swing of the rinsing drive rod 604 drives the rinsing drive part 605 to swing. The swing of the rinsing drive part 605 drives the opening and closing first slider 608 to slide left and right. When the opening and closing first slider 608 slides to the right, the opening and closing first slider 608 drives the opening and closing trigger part 612 to slide to the right at this time. The rightward sliding of the opening and closing trigger part 612 drives the opening and closing connecting part 613 to slide to the right. The rightward sliding of the opening and closing connecting part 613 drives the opening and closing second slider 609 to slide to the right. The rightward sliding of the opening and closing second slider 609 drives the opening and closing extrusion rod 611 to move to the right. At this time, the opening and closing extrusion rod 611 no longer extrudes the water outlet pipe of the rinsing water pump 6. When the opening and closing connecting part 613 slides to the right and contacts the opening and closing extrusion part 614, the opening and closing second slider 609 is under the action of the opening and closing compression spring 610 at this time, and the opening and closing extrusion rod 611 re-extrudes the water outlet pipe of the rinsing water pump 6, realizing the opening and closing of the cleaning spray parts 5, ensuring that the cleaning spray parts 5 only rinse the fruits and vegetables to the left, preventing the fruits and vegetables from floating on the cleaning water surface, and ensuring the stable conveyance of the fruits and vegetables.

Claims

1. A device for treating pesticide residues in fruits and vegetables, comprising a cleaning box (1), a cleaning mounting plate (2), a cleaning conveyor belt (3), a cleaning bubbler (4), a cleaning spray element (5), a flushing water pump (6), a flushing drive motor (7), a draining and taking mechanism, and a flushing drive mechanism; characterized in that: The cleaning installation plate (2) is fixedly connected to the top of the cleaning box (1); the cleaning conveyor belt (3) is arranged on the inner side of the cleaning box (1); the cleaning bubbler (4) is arranged on the inner bottom surface of the cleaning box (1); the cleaning spray parts (5) are arranged in multiple groups, and the multiple groups of cleaning spray parts (5) are respectively rotatably connected to the inner upper end of the cleaning box (1), and the lower ends of the multiple groups of cleaning spray parts (5) are all provided with a plurality of nozzle structures, and the multiple groups of cleaning spray parts (5) are all connected to the inside of the cleaning installation plate (2) through hoses; the flushing water pump (6) is fixedly connected to the top of the cleaning installation plate (2), the water inlet pipe of the flushing water pump (6) is connected to the external water source, and the water outlet pipe of the flushing water pump (6) is connected to the inside of the cleaning installation plate (2); the flushing drive motor (7) is fixedly connected to the front of the cleaning box (1); the drain taking mechanism is arranged at the inner left end of the cleaning box (1); and the flushing drive mechanism is arranged on the outer side of the cleaning box (1).

2. A device for treating pesticide residues in fruits and vegetables as claimed in claim 1, characterized in that: The drain picking mechanism comprises: a picking limit slide groove (101), a picking drain basket (102) and a picking handle (103); the picking limit slide groove (101) is arranged at the inner left end of the cleaning box (1); the picking drain basket (102) is slidably connected to the inside of the picking limit slide groove (101); and the picking handle (103) is fixedly connected to the top of the picking drain basket (102).

3. A device for treating pesticide residues in fruits and vegetables as claimed in claim 1, characterized in that: The flushing drive mechanism comprises: a flushing connecting rod (601) and a flushing transmission rod (602); the flushing connecting rod (601) is provided in multiple groups, and the multiple groups of flushing connecting rods (601) are respectively coaxially fixedly connected to the rear end of the cleaning spraying member (5); the flushing transmission rod (602) is provided in multiple groups, and the left and right ends of the multiple groups of flushing transmission rods (602) are both hinged to the flushing connecting rod (601).

4. A device for treating pesticide residues in fruits and vegetables as claimed in claim 3, characterized in that: The flushing drive mechanism further comprises: a flushing drive disk (603) and a flushing drive rod (604); the flushing drive disk (603) is coaxially fixedly connected to the rear end of the rotating shaft of the flushing drive motor (7), and a convex block structure is provided at the centrifugal position of the rear end of the flushing drive disk (603); the flushing drive rod (604) is coaxially fixedly connected to the front end of a middle group of cleaning spray parts (5), a rectangular groove structure is provided on the inner side of the flushing drive rod (604), and the convex block of the flushing drive disk (603) is provided inside the rectangular groove of the flushing drive rod (604).

5. A device for treating pesticide residues in fruits and vegetables as claimed in claim 4, characterized in that: The flushing drive mechanism further comprises: a flushing drive member (605) and an opening and closing fixing member (606); the flushing drive member (605) is fixedly connected above the flushing drive rod (604), and the flushing drive member (605) is provided with a rectangular groove structure; the opening and closing fixing member (606) is fixedly connected above the cleaning installation plate (2), and the water outlet pipe of the flushing water pump (6) is provided on the inner side of the flushing drive member (605).

6. A device for treating pesticide residues in fruits and vegetables as claimed in claim 5, characterized in that: The flushing drive mechanism also includes: an opening and closing slide (607), an opening and closing first slider (608), an opening and closing second slider (609), an opening and closing extrusion spring (610), an opening and closing extrusion rod (611), an opening and closing trigger (612), an opening and closing connecting piece (613) and an opening and closing extrusion piece (614); the opening and closing slides (607) are provided in two groups, and the two groups of opening and closing slides (607) are respectively fixedly connected to the upper front end of the cleaning installation plate (2); the opening and closing first slider (608) is slidably connected to the inside of a front group of opening and closing slides (607), and a long rod structure is provided at the front end of the first opening and closing slider (608), and the long rod structure of the first opening and closing slider (608) is provided in the rectangular groove of the flushing drive member (605); the opening and closing second slider (609) is slidably connected to a rear group of opening and closing The interior of the slide (607); the opening and closing extrusion spring (610) is fixedly connected to the interior of a rear opening and closing slide (607), and the right end of the opening and closing extrusion spring (610) is fixedly connected to the second opening and closing slider (609); the opening and closing extrusion rod (611) is fixedly connected to the left end of the second opening and closing slider (609); the opening and closing trigger (612) is fixedly connected to the rear end of the first opening and closing slider (608); the opening and closing connecting member (613) is slidably connected to the front of the second opening and closing slider (609), and the rear end of the opening and closing connecting member (613) is connected to the second opening and closing slider (609) through a spring; the opening and closing extrusion member (614) is fixedly connected to the right side of a front opening and closing slide (607), and the opening and closing extrusion member (614) and the opening and closing trigger (612) together form a wedge structure.

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