CN113119051A

CN113119051A - Anti-static marking system for maintaining airplane electronic equipment

Info

Publication number: CN113119051A
Application number: CN202110470994.3A
Authority: CN
Inventors: 李翔宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-16
Anticipated expiration: 2041-04-29
Also published as: CN113119051B

Abstract

The invention discloses an anti-static marking system for maintaining airplane electronic equipment, which relates to the technical field of maintaining the airplane electronic equipment, and is characterized in that after gloves are taken out of a box body, personnel can observe the use condition of the gloves in the box body conveniently under the condition that the box body is not opened, and the technical scheme is as follows: include to connect the box body on required fixed position through the connecting piece, the box mouth of box body is towards the user, just box body upper end articulates there is the signboard that seals the box mouth, be equipped with the fixed mounting of preventing static gloves in the box body, after preventing static gloves and mounting separation, be equipped with the warning piece of reminding the operator to prevent that static gloves are not in the box body on the box body.

Description

Anti-static marking system for maintaining airplane electronic equipment

Technical Field

The invention relates to the technical field of maintenance of electronic equipment of airplanes, in particular to an anti-static marking system for maintaining the electronic equipment of airplanes.

Background

The airplane electronic equipment is the electronic instrument and meter on the airplane. The aircraft electronic equipment needs to be prevented from generating static electricity in the maintenance process so as to avoid damaging the electronic equipment, and therefore a corresponding marking device needs to be arranged to remind related personnel so as to prevent the situation.

Chinese patent with publication number CN209905098U discloses an aircraft electronic equipment maintains with preventing static mark device, including the signboard, the back of signboard is provided with the box body, the structure of box body and the structure phase-match of signboard, and the top of box body and the top of signboard rotate to be connected, be provided with the horizontal pole in the box body, be provided with the clip on the horizontal pole, the bottom clamp of clip is equipped with prevents static gloves, the back of box body is provided with the support, and one side of support is provided with the lug of "L" shape, and the back of box body is provided with the lug of "L" shape to the lug of box body and the structure phase-match of the lug of support, the bottom of support is provided with the sign, and the connected mode of sign and support is the welding. The anti-static marking device for the maintenance of the electronic equipment of the airplane adopts the structural design of the box body, so that the marking device can simultaneously store anti-static gloves for later use, provide substantial help for related personnel, save the time for finding the anti-static gloves and further improve the working efficiency.

However, if the anti-static gloves are not put back after being used, the user cannot know the use condition of the gloves in the box body next time under the condition that the box body is not opened, and the maintenance personnel can not place the gloves again according to the existence condition of the gloves in the box body conveniently.

Disclosure of Invention

The invention aims to provide an anti-static marking system for maintaining electronic equipment of an airplane, which has the advantage that after gloves are taken out of a box body, personnel can observe the use condition of the gloves in the box body conveniently under the condition that the box body is not opened.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides an aircraft electronic equipment maintenance is with preventing static mark system, includes the box body of connecting on required fixed position through the connecting piece, the box mouth of box body is towards the user, just the box body upper end articulates there is the signboard that seals the box mouth, be equipped with the fixed mounting of preventing static gloves in the box body, after preventing static gloves and mounting separation, be equipped with on the box body and remind the operator to prevent the warning piece that static gloves are not in the box body.

Through adopting above-mentioned technical scheme, the signboard reminds the operator to need the electrostatic operation, the operator can rotate the signboard afterwards and open the box mouth of box body, be convenient for take and prevent static gloves, and then operate, the setting of mounting is convenient for fix and is prevented static gloves, when preventing static gloves and mounting separation, warning piece on the box body reminds the operator to prevent that static gloves are not in the box body, the personnel of being convenient for can observe the in service behavior of gloves in the box body under the condition of not opening the box body.

Preferably: the fixing piece comprises sliding grooves formed in two opposite inner walls of the box body, sliding blocks are arranged in the sliding grooves, the two sliding blocks are connected through a steel wire rope, and clamps used for fixing the anti-static gloves are arranged on the steel wire rope;

the box body is provided with a first infrared sensor and a second infrared sensor which are arranged in the sliding groove, and a first warning lamp and a second warning lamp which are controlled by the first infrared sensor and the second infrared sensor are respectively arranged on one side wall of the box body with the signboard;

when the anti-static gloves are taken down, extension springs enabling the sliding blocks to be located at the second infrared sensor are arranged in the sliding grooves, and when the anti-static gloves are arranged on the clips, the extension springs are extended to enable the sliding blocks to be located at the first infrared sensor;

when having on the clip and preventing static gloves, the slider is located first infrared ray sensor position, first infrared ray sensor control first warning light lights, when preventing static gloves and being taken off, the slider is located second infrared ray sensor's position, second infrared ray sensor control second warning light lights.

Preferably: and a guide piece which enables the steel wire rope to be positioned in the sliding groove and distributed along the length direction of the sliding groove is arranged at the notch of each sliding groove.

Preferably: the guide piece is including setting up the deflector that just supplies wire rope to wear out in spout notch department, be equipped with the guide cylinder that distributes along spout length direction on the deflector, wire rope wears out from the guide cylinder, deflector and spout notch threaded connection.

Preferably: the steel wire rope is provided with a first limiting block and a second limiting block at two ends of the guide cylinder respectively, when the clamp is provided with the anti-static gloves, the sliding block is positioned at the position of the first infrared sensor, and the first limiting block is positioned in the sliding groove and is abutted against one side of the guide cylinder;

when the anti-static gloves are taken down, the sliding blocks are located at the positions of the second infrared sensors, and the second limiting blocks are located outside the sliding grooves and abut against the other side of the guide cylinder.

Preferably: the mounting is including setting up a plurality of guide blocks at box body upper end inner wall, each guide block circumference array distributes, and adjacent two it is connected with the dead lever to slide between the guide block, will prevent that static gloves press from both sides tightly when each dead lever is close to each other, be equipped with the driving piece that each dead lever of drive is close to each other or keeps away from on the box body.

Preferably: the driving piece comprises a rotating plate which is rotatably connected to the inner wall of the box body and is positioned above each guide block, each fixing rod is provided with a driving rod penetrating out of the lower surface of the rotating plate, when the rotating plate rotates, the rotating plate is provided with an arc-shaped driving groove for each driving rod to move, when the rotating plate rotates to enable the driving groove to drive the driving rod to move, the driving rod drives the fixing rod to move between two adjacent guide blocks, and the rotating plate is provided with a placing hole for placing an anti-static glove between the fixing rods;

the periphery of the rotating plate is provided with a plurality of driving teeth, the inner wall of the box body is provided with a rotating shaft in a rotating mode, the outer wall of the rotating shaft is coaxially provided with a driven gear meshed with the driving teeth, and one end of the rotating shaft extends out of the outer wall of the upper end of the box body.

Preferably: the warning piece is including setting up first instruction piece and the second instruction piece that extends the box body outer wall in the pivot, when rotating the pivot and making first instruction piece and box mouth just when the operator together, each the fixed antistatic gloves of dead lever, when rotating the pivot and making second instruction piece and box mouth just when the operator together, each the dead lever with prevent the separation of electrostatic gloves.

Preferably: the box body is provided with a positioning piece for limiting the rotation of the rotating shaft.

Preferably: when the rotating shaft is rotated, the first indicating block and the box opening are opposite to an operator, the fixing rods fix the anti-static gloves, the positioning piece comprises a clamping block connected to the outer wall of the upper end of the box body in a sliding mode, and an embedded groove for embedding one end of the clamping block is formed in the rotating shaft.

In conclusion, the invention has the following beneficial effects: the signboard reminds the operator to need the electrostatic operation, the operator can rotate the signboard afterwards and open the box mouth of box body, be convenient for take and prevent static gloves, and then operate, the setting of mounting is convenient for fix and is prevented static gloves, when preventing static gloves and mounting separation, warning piece on the box body reminds the operator to prevent that static gloves are not in the box body, the personnel of being convenient for can observe the in service behavior of gloves in the box body under the condition of not opening the box body.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram for embodying the steel wire rope of the present embodiment;

FIG. 3 is a schematic structural view of the chute of the present embodiment;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic structural diagram of the present embodiment for embodying the rotating shaft;

FIG. 6 is a schematic structural view of the present embodiment for embodying the drive teeth;

FIG. 7 is a schematic structural diagram of a rotating plate according to the present embodiment;

FIG. 8 is a schematic structural diagram of a guide block for embodying the present embodiment;

fig. 9 is a schematic structural view for embodying the insertion groove of the present embodiment.

In the figure: 1. a box body; 11. a signboard; 12. antistatic gloves; 13. a chute; 131. a slider; 132. a wire rope; 133. a clip; 14. a first infrared sensor; 141. a first warning light; 15. a second infrared sensor; 151. a second warning light; 16. an extension spring; 161. a guide plate; 162. a guide cylinder; 163. a first stopper; 164. a second limiting block; 17. a guide block; 171. fixing the rod; 18. rotating the plate; 181. a drive rod; 182. a drive slot; 183. a drop hole; 184. a drive tooth; 185. a rotating shaft; 186. a driven gear; 19. a first indication block; 191. a second indication block; 192. a clamping block; 193. and a groove is embedded.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an aircraft electronic equipment maintenance is with preventing static mark system, as figure 1 and figure 2, include the box body 1 of connecting on required fixed position through the connecting piece, box body 1 can be fixed with other positions through the bolt, the box mouth of box body 1 is towards the user, and 1 upper end of box body articulates there is signboard 11 that seals the box mouth, the upper end of signboard 11 articulates the top at 1 box mouth of box body this moment, be equipped with the fixed mounting of preventing static gloves 12 in the box body 1, after preventing static gloves 12 and mounting separation, be equipped with the warning piece of reminding the operator to prevent static gloves 12 and not in box body 1 on box body 1.

Like fig. 1 and fig. 2, signboard 11 reminds the operator to need the electrostatic operation, the operator can rotate signboard 11 afterwards and open the box mouth of box body 1, be convenient for take and prevent static gloves 12, and then operate, the setting of mounting is convenient for fix and is prevented static gloves 12, when preventing static gloves 12 and mounting separation, warning piece on the box body 1 reminds the operator to prevent static gloves 12 and not in box body 1, the person of being convenient for can observe the in service behavior of gloves in box body 1 under the condition of not opening box body 1, the personnel of being convenient for supply anti static gloves 12 in box body 1.

As shown in fig. 3 and 4, the fixing member includes sliding grooves 13 formed on two opposite inner walls of the box body 1, sliding blocks 131 are respectively disposed in the sliding grooves 13, the two sliding blocks 131 are connected by a steel wire 132, and a clamp 133 for fixing the anti-static glove 12 is disposed on the steel wire 132; at this time, the antistatic gloves 12 are fixed to the wire rope 132 by the clips 133.

As shown in fig. 3 and 4, the warning member includes a first infrared sensor 14 and a second infrared sensor 15 disposed in the sliding slot 13, and the box body 1 is provided with a first warning light 141 and a second warning light 151 controlled by the first infrared sensor 14 and the second infrared sensor 15 on a side wall having the signboard 11;

as shown in fig. 3 and 4, when the anti-static glove 12 is removed, the sliding groove 13 is provided with an extension spring 16 which enables the sliding block 131 to be located at the position of the second infrared sensor 15, and when the anti-static glove 12 is arranged on the clamp 133, the extension spring 16 is extended to enable the sliding block 131 to be located at the position of the first infrared sensor 14; first infrared ray sensor 14 is close to the notch setting of spout 13, and first infrared ray sensor 14 and second infrared ray sensor 15 all include infrared emitter and the infrared receiver who sets up two relative cell walls in spout 13, have blockked infrared receiver received signal when slider 131 is located between infrared emitter and the infrared receiver, and then make the work of first warning light 141 of infrared receiver control or second warning light 151.

Referring to fig. 3 and 4, when the antistatic glove 12 is attached to the clip 133, the slider 131 is located at the position of the first infrared sensor 14, the first infrared sensor 14 controls the first alarm lamp 141 to be turned on, and when the antistatic glove 12 is detached, the slider 131 is located at the position of the second infrared sensor 15, and the second infrared sensor 15 controls the second alarm lamp 151 to be turned on.

As shown in fig. 3 and 4, an operator can determine whether the anti-static gloves 12 exist in the box body 1 according to the lighting states of the first warning light 141 and the second warning light 151, so that the operator can visually check the states and the maintenance personnel can conveniently and timely put the lacking anti-static gloves 12.

As shown in fig. 3 and 4, a guide member is provided at the notch of each slide groove 13 so that the wire rope 132 is located in a section of the slide groove 13 distributed along the length direction of the slide groove 13. The guide member is provided to facilitate the horizontal force applied by the wire 132 to the slider 131, thereby facilitating the movement of the slider 131 in the slide slot 13.

As shown in fig. 3 and 4, the guide member includes a guide plate 161 disposed at the notch of the sliding chute 13 and through which the steel wire 132 passes, a guide cylinder 162 disposed on the guide plate 161 and distributed along the length direction of the sliding chute 13 is provided, the steel wire 132 passes through the guide cylinder 162, and the guide plate 161 is in threaded connection with the notch of the sliding chute 13. When the wire rope 132 needs to be guided, the guide plate 161 is in threaded connection with the notch of the chute 13, at the moment, the wire rope 132 penetrates into the guide cylinder 162, and the guide cylinder 162 enlarges the guide range of the guide plate 161 to the wire rope 132.

As shown in fig. 3 and 4, the wire rope 132 is provided with a first stopper 163 and a second stopper 164 at two ends of the guide cylinder 162, respectively, when the anti-static glove 12 is provided on the clip 133, the slider 131 is located at the position of the first infrared sensor 14, and the first stopper 163 is located in the sliding slot 13 and abuts against one side of the guide cylinder 162; at this time, the anti-static glove 12 on the clip 133 stretches the extension spring 16, so that the slider 131 is located at the position of the first infrared sensor 14, and at this time, the first stopper 163 is located so that the slider 131 corresponds to the first infrared sensor 14.

As shown in fig. 3 and 4, when the anti-static glove 12 is taken down, the sliding block 131 moves towards the direction of the notch far away from the sliding slot 13 under the elastic force of the extension spring 16, so that the sliding block 131 is located at the position of the second infrared sensor 15, the second limit block 164 is located outside the sliding slot 13 and abuts against the other side of the guide cylinder 162, and at this time, the second limit block 164 limits the extension spring 16 to continuously pull the steel wire rope 132 into the sliding slot 13, so that the sliding block 131 can better face the second infrared sensor 15.

As shown in fig. 5 and fig. 6, alternatively, the fixing member includes a plurality of guide blocks 17 disposed on the inner wall of the upper end of the box body 1, each guide block 17 is distributed in a circumferential array, and a fixing rod 171 is slidably connected between two adjacent guide blocks 17, when the fixing rods 171 approach each other, the anti-static glove 12 is clamped, and a driving member for driving the fixing rods 171 to approach or depart from each other is disposed on the box body 1. When the operator needs to take the anti-static glove 12, each fixing rod 171 is driven by the driving member to move between the corresponding guide blocks 17, thereby facilitating the fixing and releasing of the anti-static glove 12.

As shown in fig. 7 and 8, the driving member includes a rotating plate 18 rotatably connected to the inner wall of the box body 1 and located above each guide block 17, each fixing rod 171 is provided with a driving rod 181 penetrating through the lower surface of the rotating plate 18, when the rotating plate 18 rotates, the rotating plate 18 is provided with an arc-shaped driving groove 182 for each driving rod 181 to move, when the rotating plate 18 rotates to enable the driving groove 182 to drive the driving rod 181 to move, the driving rod 181 drives the fixing rod 171 to move between two adjacent guide blocks 17, and the rotating plate 18 is provided with a placing hole 183 for placing the anti-static glove 12 between each fixing rod 171; when the operator puts the anti-static glove 12 between the respective fixing bars 171 through the putting-in hole 183, the rotation plate 18 is rotated so that the driving rod 181 moves within the driving groove 182, and the fixing bars 171 are slid along the position between the two guide blocks 17, at which time the respective fixing bars 171 are distributed along the radius of the circle of the array of the respective guide blocks 17.

Referring to fig. 6 and 7, in order to facilitate the rotation of the rotating plate 18, a plurality of driving teeth 184 are disposed around the rotating plate 18, a rotating shaft 185 is rotatably disposed on the inner wall of the box body 1, a driven gear 186 engaged with the driving teeth 184 is coaxially disposed on the outer wall of the rotating shaft 185, and one end of the rotating shaft 185 extends out of the upper outer wall of the box body 1. At this time, the operator can rotate the rotating shaft 185 to drive the rotating plate 18 to rotate, and at this time, the rotating plate 18 is connected with the inner wall of the box body 1 through the upright rod, and the upright rod enables the rotating plate 18 to be separated from the inner wall of the box body 1 and located above each guide block 17.

As shown in fig. 6 and 7, the warning member includes a first indicator block 19 and a second indicator block 191 which are disposed on the rotating shaft 185 and extend out of the outer wall of the box body 1, the first indicator block 19 and the second indicator block 191 may have different shapes or colors to facilitate differentiation by an operator, when the rotating shaft 185 is rotated such that the first indicator block 19 faces the operator together with the box opening, each fixing rod 171 fixes the anti-static glove 12, and when the rotating shaft 185 is rotated such that the second indicator block 191 faces the operator together with the box opening, each fixing rod 171 is separated from the anti-static glove 12.

As shown in fig. 5 and 9, the box body 1 is provided with a positioning member for limiting the rotation of the rotating shaft 185, so that the position of the rotating shaft 185 can be conveniently fixed, and the anti-static glove 12 can be stably fixed.

As shown in fig. 5 and 9, when the rotating shaft 185 is rotated to enable the first indicating block 19 and the box opening to face the operator together, each fixing rod 171 fixes the anti-static glove 12, the positioning element includes a fixture block 192 slidably connected to the outer wall of the upper end of the box body 1, the fixture block 192 slidably connects to the outer wall of the upper end of the box body 1 in the direction away from the rotating shaft 185 or close to the rotating shaft 185, an insertion groove 193 into which one end of the fixture block 192 is inserted is formed in the rotating shaft 185, at this time, one end of the fixture block 192 enters the insertion groove 193, which is convenient for fixing the rotating shaft 185, at this time, the fixing rod 171 fixes the anti-static glove 12, when the fixing rod 171 and the anti-static glove 12 need to be.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an aircraft electronic equipment maintenance is with preventing static mark system, includes box body (1) of connecting on required fixed position through the connecting piece, the box mouth of box body (1) is towards the user, just box body (1) upper end articulates there is signboard (11) that seals the box mouth, characterized by: be equipped with the fixed mounting of preventing static gloves (12) in box body (1), after preventing static gloves (12) and mounting separation, be equipped with the warning piece of reminding the operator to prevent that static gloves (12) are not in box body (1) on box body (1).

2. The antistatic marking system for aircraft electronic equipment maintenance of claim 1, wherein: the fixing piece comprises sliding grooves (13) formed in two opposite inner walls of the box body (1), sliding blocks (131) are arranged in the sliding grooves (13), the two sliding blocks (131) are connected through a steel wire rope (132), and a clamp (133) used for fixing the anti-static gloves (12) is arranged on the steel wire rope (132);

the warning piece comprises a first infrared sensor (14) and a second infrared sensor (15) which are arranged in the sliding groove (13), and a first warning lamp (141) and a second warning lamp (151) which are controlled by the first infrared sensor (14) and the second infrared sensor (15) are respectively arranged on one side wall of the box body (1) with the signboard (11);

when the anti-static gloves (12) are taken down, extension springs (16) enabling the sliding blocks (131) to be located at the position of the second infrared sensor (15) are arranged in the sliding grooves (13), and when the anti-static gloves (12) are arranged on the clips (133), the extension springs (16) are extended to enable the sliding blocks (131) to be located at the position of the first infrared sensor (14);

when the anti-static gloves (12) are arranged on the clips (133), the sliding blocks (131) are located at the positions of the first infrared sensors (14), the first infrared sensors (14) control the first warning lamps (141) to light, when the anti-static gloves (12) are taken down, the sliding blocks (131) are located at the positions of the second infrared sensors (15), and the second infrared sensors (15) control the second warning lamps (151) to light.

3. The antistatic marking system for aircraft electronic equipment maintenance of claim 2, wherein: and a guide piece which enables the steel wire rope (132) to be positioned in one section of the sliding chute (13) and distributed along the length direction of the sliding chute (13) is arranged at the notch of each sliding chute (13).

4. The antistatic marking system for aircraft electronic equipment maintenance of claim 3, wherein: the guide part is including setting up deflector (161) that just supply wire rope (132) to wear out in spout (13) notch department, be equipped with guide cylinder (162) along spout (13) length direction distribution on deflector (161), wire rope (132) are worn out in follow guide cylinder (162), deflector (161) and spout (13) notch threaded connection.

5. The antistatic marking system for aircraft electronic equipment maintenance of claim 4, wherein: the steel wire rope (132) is provided with a first limiting block (163) and a second limiting block (164) at two ends of the guide cylinder (162) respectively, when the clamp (133) is provided with the anti-static gloves (12), the sliding block (131) is located at the position of the first infrared sensor (14), and the first limiting block (163) is located in the sliding groove (13) and is abutted against one side of the guide cylinder (162);

when the anti-static glove (12) is taken down, the sliding block (131) is located at the position of the second infrared sensor (15), and the second limiting block (164) is located outside the sliding groove (13) and is abutted against the other side of the guide cylinder (162).

6. The antistatic marking system for aircraft electronic equipment maintenance of claim 1, wherein: the mounting is including setting up a plurality of guide blocks (17) at box body (1) upper end inner wall, each guide block (17) circumference array distributes, and adjacent two it is connected with dead lever (171) to slide between guide block (17), will prevent that static gloves (12) press from both sides tightly when each dead lever (171) are close to each other, be equipped with the driving piece that each dead lever of drive (171) are close to each other or keep away from on box body (1).

7. The antistatic marking system for aircraft electronic equipment maintenance of claim 6, wherein: the driving part comprises rotating plates (18) which are rotatably connected to the inner wall of the box body (1) and are positioned above the guide blocks (17), driving rods (181) penetrating through the lower surfaces of the rotating plates (18) are arranged on the fixing rods (171), when the rotating plates (18) rotate, arc-shaped driving grooves (182) for the movement of the driving rods (181) are formed in the rotating plates (18), when the rotating plates (18) rotate to enable the driving grooves (182) to drive the driving rods (181) to move, the driving rods (181) drive the fixing rods (171) to move between two adjacent guide blocks (17), and placing holes (183) for placing the anti-static gloves (12) between the fixing rods (171) are formed in the rotating plates (18);

the periphery of the rotating plate (18) is provided with a plurality of driving teeth (184), the inner wall of the box body (1) is provided with a rotating shaft (185) in a rotating mode, the outer wall of the rotating shaft (185) is coaxially provided with a driven gear (186) meshed with the driving teeth (184), and one end of the rotating shaft (185) extends out of the outer wall of the upper end of the box body (1).

8. The antistatic marking system for aircraft electronic equipment maintenance of claim 7, wherein: the warning piece comprises a first indicating block (19) and a second indicating block (191) which are arranged on a rotating shaft (185) and extend out of the outer wall of the box body (1), when the rotating shaft (185) is rotated to enable the first indicating block (19) and the box opening to be aligned to an operator, the fixing rods (171) are used for fixing the anti-static gloves (12), and when the rotating shaft (185) is rotated to enable the second indicating block (191) and the box opening to be aligned to the operator, the fixing rods (171) are separated from the anti-static gloves (12).

9. An antistatic marking system for aircraft electronic equipment maintenance as claimed in claim 7 or claim 8 wherein: the box body (1) is provided with a positioning piece for limiting the rotation of the rotating shaft (185).

10. The antistatic marking system for aircraft electronic equipment maintenance of claim 9, wherein: when the rotating shaft (185) is rotated to enable the first indicating block (19) and the box opening to be aligned to an operator, the fixing rods (171) fix the anti-static gloves (12), the positioning piece comprises a clamping block (192) connected to the outer wall of the upper end of the box body (1) in a sliding mode, and an embedded groove (193) for enabling one end of the clamping block (192) to be embedded into is formed in the rotating shaft (185).