CN111132493B

CN111132493B - Turnover clamping system of integrated circuit board

Info

Publication number: CN111132493B
Application number: CN201911288133.2A
Authority: CN
Inventors: 金栋
Original assignee: Yang Yane
Current assignee: Putian xinhongyi Electronic Technology Co.,Ltd.
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2021-01-19
Anticipated expiration: 2039-12-15
Also published as: CN111132493A

Abstract

The invention relates to a turnover clamping system of an integrated circuit board. Integrated circuit board's upset clamping system includes shell subassembly, encapsulation subassembly and card and holds the subassembly, the shell subassembly includes box and lid, the lid set up with rotating on the box for the card is established and is sealed the box, the encapsulation subassembly includes centre gripping shell, upset lid and pressure spring, the centre gripping shell install with rotating in the box, detachably clamp has integrated circuit board in the centre gripping shell, one side of centre gripping shell is provided with two guide slots, the upset lid set up with moving about in the top of centre gripping shell. The turnover clamping system of the integrated circuit board is convenient for maintaining the electronic device.

Description

Turnover clamping system of integrated circuit board

Technical Field

The invention relates to a turnover clamping system of an integrated circuit board.

Background

In present electronic devices, the application of integrated circuit boards is very wide. In use, the integrated circuit board is generally fixed and packaged in a housing, and then the housing is mounted in an electronic device. However, when the integrated circuit board is damaged or malfunctions, the case is not easily disassembled without damage, and thus, is not easily repaired, thereby easily causing the whole electronic device to be scrapped.

Disclosure of Invention

In view of the foregoing, there is a need for a flip-clamping system that facilitates servicing an integrated circuit board of an electronic device.

An overturning and clamping system of an integrated circuit board comprises a shell assembly, a packaging assembly and a clamping assembly, wherein the shell assembly comprises a box body and a cover body, the cover body is rotatably arranged on the box body and used for clamping and sealing the box body, the packaging assembly comprises a clamping shell, an overturning cover and a pressure spring, the clamping shell is rotatably arranged in the box body, the integrated circuit board is detachably clamped in the clamping shell, one side of the clamping shell is provided with two guide grooves, the overturning cover comprises a vertical sliding plate and a wedge-shaped sealing block which are mutually connected, the two opposite ends of the vertical sliding plate are respectively and slidably arranged in the two guide grooves, the wedge-shaped sealing block is used for overturning and sealing the top of the clamping shell, one end of the pressure spring is arranged in the box body, the other end of the pressure spring is abutted against the side wall of the clamping shell, and the clamping assembly is, the clamping component is used for clamping the top of the clamping shell so that the clamping shell overcomes the acting force of the pressure spring and keeps the horizontal position.

In one embodiment, the box body is in a rectangular box shape, and the cover body is rotatably connected to one side of the top of the box body through a hinge.

In one embodiment, an electrical cavity is formed in the box body, the package assembly is installed in the electrical cavity, and the clamping assembly is slidably inserted into a side wall of the box body and protrudes into the electrical cavity.

In one embodiment, an encapsulation cavity is formed in the clamping shell, an opening is formed in the top of the clamping shell, and the opening forms the top of the encapsulation cavity.

In one embodiment, a first rotating shaft is arranged on one side of the bottom of the clamping shell, and two opposite ends of the first rotating shaft are respectively and rotatably connected to two opposite side walls of the box body.

In one embodiment, one end of the pressure spring is installed on the bottom surface of the box body, the other end of the pressure spring is connected to the middle of the outer side wall of the clamping shell, and an included angle is formed between the length direction of the pressure spring and the bottom surface of the box body.

In one embodiment, two guide strips are arranged at the top of one side of the clamping shell, which is away from the pressure spring, and the two guide grooves are respectively formed in the two guide strips.

In one embodiment, the two guide grooves extend along the length direction of the clamping shell, a second rotating shaft is formed on one side of the vertical sliding plate, which is far away from the wedge-shaped closing block, and two opposite ends of the second rotating shaft are respectively arranged outside two opposite ends of the vertical sliding plate in a protruding manner.

In one embodiment, the two opposite ends of the second rotating shaft are slidably inserted into the two guide grooves, the vertical sliding plate is a rectangular plate, and the distance between the two guide bars is equal to the length of the vertical sliding plate.

In one embodiment, the second rotating shaft is located at an edge of the opening, and the second rotating shaft is configured to move toward the bottom of the clamping shell along the two guide grooves after rotating relative to the clamping shell, so that the vertical sliding plate is blocked at one side of the opening, and the wedge-shaped closing block is clamped into the opening to close the opening.

When the integrated circuit board is installed, the dust collecting circuit board is inserted into and detachably clamped in the clamping shell, then the overturning cover is overturned to utilize the wedge-shaped sealing block to seal the top of the clamping shell, then the clamping shell is pressed to rotate to a horizontal position, the clamping component is utilized to clamp the top of the clamping shell, so that the clamping shell overcomes the acting force of the pressure spring to keep the horizontal position, then the cover body is covered and sealed at the top of the box body, the integrated circuit board is packaged, then the box body can be installed in the electronic device, and the integrated circuit board is electrically connected with other electronic components in the electronic device to realize the functions of the integrated circuit board. For example, be provided with circuit structure in the centre gripping shell, integrated circuit board card is gone into can realize in the centre gripping shell with circuit structure's electrical contact and connection work as when integrated circuit board damages, open the lid stirs behind the card holding component, the centre gripping shell can automatic rotation under the effect of pressure spring, later on through the upset can will behind the upset lid integrated circuit board takes out. Because the cover body is clamped on the box body, and the integrated circuit board is detachably clamped in the clamping shell, the integrated circuit board is convenient to disassemble, and when the integrated circuit board is damaged, the electronic device is convenient to maintain subsequently.

Drawings

Fig. 1 is a perspective view of an embodiment of a flip clamping system for an ic board.

Fig. 2 is a perspective view of another perspective view of the flip-clamping system of the ic board shown in fig. 1.

Fig. 3 is a schematic perspective view of a clamping shell according to an embodiment.

FIG. 4 is a perspective view of an embodiment of a retaining assembly.

Fig. 5 is a partially enlarged view of a portion a in fig. 2.

Fig. 6 is a partially enlarged view of fig. 3 at B.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention relates to a turnover clamping system of an integrated circuit board. For example, the flip clamping system of the integrated circuit board is used for being installed in the electronic device, and the flip clamping system of the integrated circuit board clamps the integrated circuit board, and the integrated circuit board is used for providing functions for the electronic device. For example, the turnover clamping system of the integrated circuit board comprises a shell assembly, a packaging assembly and a clamping assembly, wherein the shell assembly comprises a box body and a cover body, and the cover body is rotatably arranged on the box body and used for clamping and sealing the box body. For example, the encapsulation subassembly includes centre gripping shell, flip lid and pressure spring, the centre gripping shell install with rotating in the box, detachably centre gripping holds integrated circuit board in the centre gripping shell, one side of centre gripping shell is provided with two guide slots, flip lid set up with the activity in the top of centre gripping shell. For example, the turnover cover comprises a vertical sliding plate and a wedge-shaped closing block which are mutually connected, two opposite ends of the vertical sliding plate are respectively and slidably arranged in the two guide grooves, and the wedge-shaped closing block is used for turnover closing the top of the clamping shell. For example, one end of the pressure spring is mounted in the box body, the other end of the pressure spring abuts against the side wall of the clamping shell, and the clamping component is mounted on the side wall of the box body. For example, the clamping component is used for clamping the top of the clamping shell so that the clamping shell can keep a horizontal position against the action force of the pressure spring.

Referring to fig. 1 to 6, a turnover clamping system for an integrated circuit board includes a housing assembly 10, a housing assembly 20 and a clamping assembly 30, the housing assembly 10 includes a box 11 and a cover rotatably disposed on the box 11 for clamping and closing the box 11, the housing assembly 20 includes a clamping housing 21, a turnover cover 22 and a compression spring (not shown), the clamping housing 21 is rotatably mounted in the box 11, the integrated circuit board is detachably clamped in the clamping housing 21, one side of the clamping housing 21 is provided with two guide slots, the turnover cover 22 includes a vertical sliding plate 221 and a wedge-shaped closing block 222 connected to each other, opposite ends of the vertical sliding plate 221 are slidably disposed in the two guide slots, the wedge-shaped closing block 222 is used for turnover-closing a top of the clamping housing 21, and one end of the compression spring is mounted in the box 11, the other end of the clamping component abuts against the side wall of the clamping shell 21, the clamping component 30 is installed on the side wall of the box body 11, and the clamping component 30 is used for clamping the top of the clamping shell 21, so that the clamping shell 21 overcomes the acting force of the pressure spring and keeps a horizontal position.

For example, when mounting an ic board, the dust collecting circuit board is inserted into and detachably clamped in the clamping shell 21, the flip cover 22 is turned over to seal the top of the clamping shell 21 by the wedge-shaped sealing block 222, the clamping shell 21 is pressed to rotate to a horizontal position, the clamping component 30 is used to clamp the top of the clamping shell 21, so that the clamping shell 21 overcomes the action force of the compression spring to maintain the horizontal position, the cover is covered and sealed on the top of the box body 11, thereby completing the packaging of the ic board, and thereafter the box body 11 can be mounted in the electronic device, and the ic board is electrically connected with other electronic components in the electronic device, so as to achieve the function of the ic board. For example, be provided with circuit structure in the centre gripping shell 21, integrated circuit board card is gone into can realize in the centre gripping shell 21 with circuit structure's electrical contact and connection, work as when integrated circuit board damages, open the lid stirs the subassembly 30 back is held to the card, centre gripping shell 21 can be in under the effect of pressure spring autogiration, later on through the upset can take out behind the flip lid 22 integrated circuit board. Because the cover body is clamped on the box body 11, and the integrated circuit board is detachably clamped in the clamping shell 21, the integrated circuit board is convenient to disassemble, and when the integrated circuit board is damaged, the electronic device is convenient to maintain subsequently.

For example, in order to facilitate the clamping shell 21 to be pushed to turn over, the box body 11 is in a rectangular box shape, and the cover body is rotatably connected to one side of the top of the box body 11 through a hinge. An electrical cavity 115 is formed in the box body 11, the packaging assembly 20 is installed in the electrical cavity 115, and the clamping assembly 30 is slidably inserted into the sidewall of the box body 11 and protrudes into the electrical cavity 115. An encapsulation cavity is formed in the clamping shell 21, an opening is formed in the top of the clamping shell 21, and the opening forms the top of the encapsulation cavity. A first rotating shaft is arranged on one side of the bottom of the clamping shell 21, and two opposite ends of the first rotating shaft are respectively and rotatably connected to two opposite side walls of the box body 11. One end of the pressure spring is arranged on the bottom surface of the box body 11, the other end of the pressure spring is connected to the middle of the outer side wall of the clamping shell 21, and a 45-degree included angle is formed between the length direction of the pressure spring and the bottom surface of the box body 11. Through setting up the pressure spring is 45 degrees contained angles, thereby is convenient for utilize the pressure spring promotes centre gripping shell 21 upset, because first pivot install in bottom one side of centre gripping shell 21, and the one end of pressure spring connect in the lateral wall middle part of centre gripping shell 21, therefore convenient the pressure spring is pushed and is held centre gripping shell 21 upset.

For example, in order to facilitate closing the opening, two guide strips 216 are disposed on a top portion of a side of the clamping shell 21 facing away from the compression spring, and the two guide grooves are opened on the two guide strips 216, respectively. The two guide grooves extend along the length direction of the clamping shell 21, a second rotating shaft 223 is formed on one side of the vertical sliding plate 221 away from the wedge-shaped closing block 222, and two opposite ends of the second rotating shaft 223 are respectively protruded out of two opposite ends of the vertical sliding plate 221. Opposite ends of the second rotating shaft 223 are slidably inserted into the two guide grooves, respectively, the vertical sliding plate 221 is a rectangular plate, and a distance between the two guide bars 216 is equal to a length of the vertical sliding plate 221, so that the vertical sliding plate 221 is not blocked and interfered by the two guide bars 216 when being turned over. The second rotating shaft 223 is located at the edge of the opening, and two opposite ends of each guide slot are provided with stop blocks to stop the second rotating shaft from coming off. The second rotating shaft 223 is configured to rotate 270 degrees relative to the clamping shell 21 and then move toward the bottom of the clamping shell 21 along the two guide grooves, so that the vertical sliding plate 221 is blocked at one side of the opening, and the wedge-shaped closing block 222 is clamped in the opening to close the opening. By arranging the two guide strips 216, the second rotating shaft 223 is convenient to move, and the wedge-shaped closing block 222 is further convenient to close the opening.

For example, it is particularly important that the compression spring is used to push the clamping shell 21 to turn to a vertical position so that the opening faces upward, in order to facilitate the insertion of the integrated circuit board. An included angle space 224 is formed between the wedge-shaped closing block 222 and the vertical sliding plate 221, the thickness of the wedge-shaped closing block 222 gradually increases along the direction away from the vertical sliding plate 221, a cover surface is formed on one side of the wedge-shaped closing block 222, which is away from the included angle space 224, and a sticking surface is formed on one side of the vertical sliding plate 221, which is away from the included angle space 224, and the cover surface is perpendicular to the sticking surface. Still be provided with the grip block 27 movably in the grip housing 21, the grip block 27 will the encapsulation chamber is separated for encapsulation subcavity 215 and is actuated the chamber 217, it is in to actuate the chamber 217 the grip block 27 deviates from one side of vertical sliding plate 221, four bights of grip block 27 are provided with the extension spring, four extension springs all are located actuate in the chamber 217. Through setting up can make four extension springs avoid wedge closed block 222, through setting up the pressure spring to release when centre gripping shell 21, the pressure spring can push and hold centre gripping shell 21 upset to vertical position, so that the opening is up, conveniently is used for taking out integrated circuit board. For example, the ic board can be taken out after the flip cover 22 is flipped out after being pulled upward. For example, the flip cover 22 is used to flip out relative to the clamping housing 21, so that the four tension springs pull the clamping plate 27 to move toward the actuating chamber 217, so as to expand the packaging sub-cavity 215 for inserting a new ic board. When clamping, the turning cover 22 is further used for turning into the clamping shell 21, and the wedge-shaped sealing block 222 is inserted into the actuating cavity 217 to press the clamping plate 27 to move towards the packaging sub-cavity 215 against the pulling force of the four tension springs, so as to initially clamp the integrated circuit board. The wedge-shaped closing piece 222 can close the opening on the one hand and can press the clamping plate 27 on the other hand, thereby realizing the preliminary clamping and positioning of the integrated circuit board. The top of the clamping plate 27 is curved towards one side edge of the actuation chamber 217 to guide the wedge-shaped closing block 222.

For example, in order to further accurately clamp and position the integrated circuit board, a positioning through hole 211 is formed in one side, facing the pressure spring, of the clamping shell 21, the positioning through hole 211 is communicated with the actuating cavity 217, the packaging assembly 20 further comprises a transverse plate 23 and a positioning bump 24, the transverse plate 23 is installed in the electrical cavity 115, the positioning bump 24 is convexly arranged in the middle of the transverse plate 23, when the clamping shell 21 is turned to a water level position, the positioning bump 24 is used for being inserted into the positioning through hole 211 of the clamping shell 21 and abutting against the clamping plate 27 to move towards the packaging sub-cavity 215, so that the integrated circuit board is finally clamped and positioned. The horizontal plate 23 is used for supporting the clamping shell 21. For example, when the clamping shell 21 rotates to a horizontal position, in order to maintain the position of the clamping shell 21, a transverse groove 117 is concavely provided on an outer side wall of one side of the box body 11 away from the clamping shell 21, a clamping groove is provided at a middle part of the transverse groove 117, and two sets of sliding grooves 118 are provided in the transverse groove 117. The two sets of sliding grooves 118 are respectively positioned at two opposite sides of the clamping groove. Each set of the sliding grooves 118 includes an upper sliding groove and a lower sliding groove which are oppositely arranged, a sliding plate 119 is arranged in each set of the sliding grooves 118, the sliding plate 119 is rectangular plate-shaped, and the upper side and the lower side of each sliding plate 119 are respectively clamped in the upper sliding groove and the lower sliding groove of the corresponding set of the sliding grooves 118 in a sliding manner.

The clamping assembly 30 includes a push rod 31, a diamond frame 32, a hook-shaped operating element 33, a third rotating shaft 34, a friction plate 35 and a flexible hook 36, the push rod 31 is slidably inserted into the clamping groove, the diamond frame 32 is connected to one end of the push rod 31 protruding out of the box body 11, and the hook-shaped operating element 33 is installed at one end of the diamond frame 32 far away from the push rod 31. The hook-shaped operating piece 33 is used for pushing the diamond frame 32 to deform after being stressed, so that the transverse dimension of the diamond frame 32 is lengthened, and finally the pushing rod 31 is pushed into the box body 11, the deformed diamond frame 32 is abutted against the transverse groove 117, and the two sliding plates 119 are used for moving towards each other under the action of external force to press the two opposite sides of the diamond frame 32, so that the diamond frame 32 is fixed. For example, the rhomb 32 is formed from four connecting plates 325 connected end to end. When it is desired to pull out the push rod 31, the push rod 31 is moved outwardly by manually pulling the two slide plates 119 away from each other to release the diamond 32, and thereafter manually pulling the hook-shaped operating member 33. For example, the third rotating shaft 34 is rotatably installed in the electrical cavity 115 and adjacent to the transverse groove 117, the friction plate 35 is an arc-shaped plate, a bottom edge of the friction plate 35 is connected to the third rotating shaft 34, the friction plate 35 is located between the pushing rod 31 and the clamping shell 21, and a side of the friction plate 35 facing the clamping shell 21 is formed with a friction surface for frictionally positioning a cover surface of the wedge-shaped closing block 222. The flexible hook 36 is formed on one side of the friction plate 35 away from the third rotating shaft 34, one end of the push rod 31 away from the diamond frame 32 abuts against the flexible hook 36, a concave groove 365 is formed on one side of the flexible hook 36 away from the push rod 31, and the push rod 31 is used for pushing the flexible hook 36 to deflect and deform, so that the concave groove 365 of the flexible hook 36 is elastically clamped at the connection position of the wedge-shaped closing block 222 and the vertical sliding plate 221. That is, when the clamping shell 21 needs to be positioned, the wedge-shaped closing block 222 is used to close the opening, then the clamping shell 21 is broken to rotate to the horizontal position, then the pushing rod 31 is pushed to abut against the flexible hook portion 36 to clamp and position the clamping shell 21, and the friction plate 35 has an auxiliary positioning function. And then the two runners 119 are moved toward each other to hold the diamond shaped frame 32. When the maintenance is needed, the two sliding plates 119 are pulled to be away from each other, the hook-shaped operating piece 33 is pulled, the diamond frame 32 is further pulled out of the transverse groove 117, the push rod 31 is pulled to be away from the clamping shell 21, the flexible hook part 36 automatically returns to the original position to release the clamping shell 21, so that the clamping shell 21 rotates to the vertical position under the action of the pressure spring, and the integrated circuit board is convenient to take out. For example, the friction force of the friction plate 35 is not enough to hold the clamping shell 21, so that the clamping shell 21 can be automatically separated from the friction plate 35 under the action of the pressure spring. Through the arrangement of the clamping component 30, the clamping shell 21 is conveniently released or locked from the external operation of the box body 11, and the operation convenience is further improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A turnover clamping system of an integrated circuit board is characterized by comprising a shell component, a packaging component and a clamping component, wherein the shell component comprises a box body and a cover body, the cover body is rotatably arranged on the box body, the clamping assembly is used for clamping a closed box body, the packaging assembly comprises a clamping shell, a turnover cover and a pressure spring, the clamping shell is rotatably installed in the box body, an integrated circuit board is detachably clamped in the clamping shell, two guide grooves are formed in one side of the clamping shell, the turnover cover comprises a vertical sliding plate and a wedge-shaped closing block which are mutually connected, two opposite ends of the vertical sliding plate are respectively arranged in the two guide grooves in a sliding manner, the wedge-shaped closing block is used for turnover closing the top of the clamping shell, one end of the pressure spring is installed in the box body, the other end of the pressure spring abuts against the side wall of the clamping shell, the clamping assembly is installed on the side wall of the box body, and the clamping assembly is used for;

the box body is in a rectangular box body shape, the cover body is rotationally connected to one side of the top of the box body through a hinge, an electric cavity is formed in the box body, a packaging assembly is installed in the electric cavity, a clamping assembly is slidably inserted into the side wall of the box body and extends into the electric cavity, a packaging cavity is formed in the clamping shell, an opening is formed in the top of the clamping shell and forms the top of the packaging cavity, a first rotating shaft is arranged on one side of the bottom of the clamping shell, two opposite ends of the first rotating shaft are rotationally connected to two opposite side walls of the box body respectively, one end of a pressure spring is installed on the bottom surface of the box body, the other end of the pressure spring is connected to the middle of the outer side wall of the clamping shell, a 45-degree included angle is formed in the length direction of the pressure spring relative to the bottom surface of the box body, two guide strips are arranged, a second rotating shaft is formed on one side, away from the wedge-shaped closing block, of the vertical sliding plate, opposite ends of the second rotating shaft are respectively arranged outside opposite ends of the vertical sliding plate in a protruding mode, opposite ends of the second rotating shaft are respectively inserted into the two guide grooves in a sliding mode, the vertical sliding plate is a rectangular plate, the distance between the two guide strips is equal to the length of the vertical sliding plate, the second rotating shaft is located at the edge of the opening, the second rotating shaft is used for moving towards the bottom of the clamping shell along the two guide grooves after rotating 270 degrees relative to the clamping shell, so that the vertical sliding plate is arranged on one side of the opening in a blocking mode, and the wedge-shaped closing block is clamped into;

the pressure spring is used for pushing the clamping shell to turn to a vertical position so that the opening faces upwards, an included angle space is formed between the wedge-shaped sealing block and the vertical sliding plate, the thickness of the wedge-shaped sealing block is gradually increased along the direction far away from the vertical sliding plate, a sealing cover surface is formed on one side of the wedge-shaped sealing block far away from the included angle space, an attaching surface is formed on one side of the vertical sliding plate far away from the included angle space, the sealing cover surface is perpendicular to the attaching surface, a clamping plate is movably arranged in the clamping shell and divides the packaging cavity into a packaging cavity and an actuating cavity, the actuating cavity is positioned on one side of the clamping plate far away from the vertical sliding plate, four corners of the clamping plate are respectively provided with a tension spring, the four tension springs are positioned in the actuating cavity, so that the four tension springs pull the clamping plate to move towards the actuating cavity to enlarge the packaging sub-cavity for inserting a new integrated circuit board; when clamping, the turnover cover is also used for turning over and entering the clamping shell, the wedge-shaped sealing block is inserted into the actuating cavity to extrude the clamping plate to overcome the tension of the four tension springs and move towards the packaging sub-cavity so as to preliminarily clamp the integrated circuit board, one side of the clamping shell, facing the tension springs, is provided with a positioning through hole, the positioning through hole is communicated with the actuating cavity, the packaging component also comprises a transverse plate and a positioning bump, the transverse plate is arranged in the electric cavity, the positioning bump is convexly arranged in the middle of the transverse plate, when the clamping shell is turned to a water level position, the positioning bump is used for being inserted into the positioning through hole of the clamping shell and abuts against the clamping plate to move towards the packaging sub-cavity;

the transverse plate is used for supporting the clamping shell, a transverse groove is concavely arranged on the outer side wall of one side of the box body, which is far away from the clamping shell, a clamping groove is formed in the middle of the transverse groove in a penetrating manner, two groups of sliding grooves are arranged in the transverse groove and are respectively positioned on two opposite sides of the clamping groove, each group of sliding grooves comprises an upper sliding groove and a lower sliding groove which are oppositely arranged, a sliding plate is arranged in each group of sliding grooves, the sliding plate is rectangular plate-shaped, the upper side and the lower side of each sliding plate are respectively clamped into the upper sliding groove and the lower sliding groove of the corresponding group of sliding grooves in a sliding manner, the clamping assembly comprises a push rod, a diamond-shaped frame, a hook-shaped operating piece, a third rotating shaft, a friction plate and a flexible hook portion, the push rod is slidably inserted into the clamping groove, the diamond-shaped frame is;

the hook-shaped operating piece is used for pushing the diamond-shaped frame to deform after being stressed so as to lengthen the transverse dimension of the diamond-shaped frame, and finally pushing the pushing rod to enter the box body, the deformed diamond-shaped frame is abutted to the transverse groove, the two sliding plates are used for moving oppositely under the action of external force so as to press and hold the two opposite sides of the diamond-shaped frame, the diamond-shaped frame is composed of four connecting plates connected end to end, a third rotating shaft is rotatably arranged in the electric cavity and is adjacent to the transverse groove, the friction plate is an arc-shaped plate, the bottom edge of the friction plate is connected to the third rotating shaft, the friction plate is positioned between the pushing rod and the clamping shell, one side of the friction plate facing the clamping shell is provided with a friction surface for frictionally positioning the sealing cover surface of the wedge-shaped sealing block, the flexible hook part is formed on one side of the friction plate away from the third rotating shaft, one end of the pushing rod away from the, the pushing rod is used for pushing the flexible hook part to deflect and deform so that the concave groove of the flexible hook part is elastically clamped at the connecting position of the wedge-shaped closing block and the vertical sliding plate.