CN115237216A

CN115237216A - Internet security server convenient to maintain

Info

Publication number: CN115237216A
Application number: CN202210863317.2A
Authority: CN
Inventors: 卢华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-10-25

Abstract

The invention relates to the technical field of Internet security servers, in particular to an Internet security server convenient to maintain, which comprises: a cabinet door is hinged to the side wall of one side of the opening end of the server cabinet; the object placing plate is arranged inside the server cabinet, and the size of the object placing plate is matched with the size of the inside of the server cabinet; the pull plate is clamped inside the abdicating groove, and the abdicating groove is formed in the central symmetrical position of the side wall of the object placing plate; the beneficial effects are that: when internet safety server need be overhauld, the pull rod, under two sets of fourth reset spring's elastic action, the arm-tie will pop out along the second spacing groove, the rope is connected in the pulling of arm-tie afterbody simultaneously, and drive the joint piece through connecting the rope and remove, will no longer peg graft in the inside in joint groove when the joint piece, under two sets of first reset spring's elastic force, it pops out to put the thing board, hold the pulling of handle groove simultaneously and put the thing board, the messenger puts the thing board and removes along the spout, when putting the thing board and being pulled out, can overhaul internet safety server.

Description

Internet security server convenient to maintain

Technical Field

The invention relates to the technical field of internet security servers, in particular to an internet security server convenient to maintain.

Background

At present, people have become an indispensable part for using the mobile internet, and the mobile internet technology is continuously and rapidly developed, however, the security environment of the mobile internet is currently facing huge challenges, such as illegal access to services in the mobile internet, illegal access to data, spam flooding to bad information access networks, illegal eavesdropping, user identity information counterfeiting, occupation of broadband by service abuse, viruses, trojans, remote control and the like, which brings great potential safety hazards to the mobile internet and users;

the Internet security server performs security audit on communication network data acquired by the mobile Internet, so that the problem of network security can be solved in time, and meanwhile, the network operation environment is monitored in real time, so that the monitoring strength of the operation of the mobile Internet is improved, and the security operation of the mobile Internet is guaranteed;

at present, current internet security server includes server rack, mounting panel and through wires hole usually, with internet security server fixed mounting on the mounting panel, on being connected to the socket of internet security server rear end with external cable through the through wires hole, but when data security server need maintain, because server rack inner space is narrow and small, the staff of being not convenient for overhauls and maintains the server.

Disclosure of Invention

The invention aims to provide an internet security server convenient to maintain, and aims to solve the problem that when a data security server needs to be maintained, due to the fact that the internal space of a server cabinet is narrow, a worker is inconvenient to overhaul and maintain the server because the internet security server provided by the background technology is fixedly arranged on an installation plate.

In order to achieve the purpose, the invention provides the following technical scheme: an internet security server that facilitates maintenance, the internet security server comprising:

the server cabinet is of a hollow rectangular structure, and a cabinet door is hinged to the side wall of one side of the opening end of the server cabinet;

the object placing plate is arranged inside the server cabinet, and the size of the object placing plate is matched with the size of the inside of the server cabinet;

the pull plate is clamped inside the abdicating groove, and the abdicating groove is formed in the central symmetrical position of the side wall of the object placing plate.

Preferably, the size of cabinet door and server rack phase-match, and the fixed support column that is provided with of inside lateral wall of server rack, the support column is provided with three groups, the even symmetric distribution of three group's support columns, and every group support column is provided with two, two support columns use the server rack to carry out bilateral symmetry and distribute as the center, and the relative lateral wall central symmetric position of every group support column has all seted up the spout, first counter bore has been seted up to the inside bottom central symmetric position of spout, the inside grafting of first counter bore is provided with first reset spring, first reset spring's size and first counter bore phase-match.

Preferably, the one end tip fixed connection of first reset spring has seted up the joint groove in the inside lateral wall central symmetry position of first counter bore, and the central symmetry position at the inside center wall of spout is seted up in the joint groove, and the central symmetry position of the inside center wall of server rack has seted up the through wires hole, and the through wires hole runs through the inside lateral wall of server rack, and the through wires hole is located the support column directly over, and the through wires hole has seted up three groups, and three groups of through wires holes correspond three groups of support columns respectively.

Preferably, put the size of thing board and the interval size phase-match between two sets of support columns, and put the lateral wall central symmetry position fixedly connected with slider of thing board, the slider is provided with two sets ofly, and two sets of sliders use to put the thing board and carry out the symmetric distribution as the center, and two sets of sliders slide the joint respectively in the inside of two sets of spouts, the size and the slider phase-match of spout put the thing board through the inside of two sets of slider slip joint at the server rack.

Preferably, the upper surface of the object placing plate is fixedly connected with a mounting plate, the cross section of the mounting plate is of a structure like a model' 21274, an internet security server is fixedly arranged inside the mounting plate, the size of the internet security server is matched with the size of the inside of the mounting plate, the internet security server is connected with the object placing plate through the mounting plate, and the internet security server is arranged inside the server cabinet through the object placing plate in a sliding manner.

Preferably, it is two sets of the slider is kept away from one side lateral wall central symmetry position of putting the thing board and has been seted up and has been accomodate the groove, and the inside grafting of accomodating the groove is provided with the joint piece, the size of joint piece with accomodate the groove phase-match, and the first stopper of the lateral wall central symmetry position fixedly connected with of joint piece, first stopper is provided with two sets ofly, and two sets of first stoppers use the joint piece to carry out the symmetric distribution as the center, and two sets of first stoppers slide the joint respectively in the inside of two sets of first spacing grooves, the size and the first stopper phase-match of first spacing groove.

Preferably, two sets of first spacing groove is seted up respectively and is being accomodate the inside both sides lateral wall central symmetry position in inslot portion, and the inside of accomodating the groove is provided with third reset spring, and the fixed setting of third reset spring is between the tip central symmetry position of the inside lateral wall central symmetry position of accomodating the groove and joint piece, and the joint piece is pegged graft in the inside of accomodating the groove through third reset spring elasticity, and the inside central symmetry position of accomodating the groove has seted up the connecting hole, and the connecting hole passes the inside of putting the thing board and is linked together with the inside of the groove of stepping down.

Preferably, the inside of connecting hole is provided with the connection rope, connects the size and the connecting hole phase-match of rope, and connects the one end tip fixed connection of rope and in the rear end tip central symmetry position of joint piece, connects the one end tip fixed connection that the joint piece was kept away from to the rope and carries out the symmetric distribution in one side lateral wall of arm-tie, and two sets of connection ropes use the arm-tie to carry out the symmetric distribution as the center.

Preferably, the size of arm-tie and the groove phase-match of stepping down, and the lateral wall central symmetry position fixedly connected with second stopper of arm-tie, the second stopper is provided with two sets ofly, two sets of second stoppers use the arm-tie to carry out the symmetric distribution as the center, and two sets of second stoppers slide the joint respectively in the inside of two sets of second spacing grooves, the size and the second stopper phase-match of second spacing groove, two sets of second spacing grooves are seted up respectively at the both sides lateral wall central symmetry position of the inslot portion of stepping down, the second counter bore has been seted up to the inside of the groove of stepping down, two sets of second counter bores have been seted up two sets ofly, two sets of second counter bores use the groove of stepping down to carry out the symmetric distribution as the center, and the inside of two sets of second counter bores all is provided with fourth reset spring, the size and the second counter bore phase-match of fourth reset spring, and the fixed setting of fourth reset spring is between the inner wall of second counter bore and the tip lateral wall of arm-tie, the arm-tie is pegged graft in the inside of the groove of stepping down through two sets of fourth reset spring elasticity.

Preferably, the handle groove has been seted up to the one end lateral wall that the arm-tie was kept away from fourth reset spring, the handle groove is located the central symmetry position of arm-tie, and the handle groove runs through the arm-tie, the inside joint in handle groove has the one end tip of pull rod, the pull rod is pegged graft in the inside of through-hole, the size and the through-hole phase-match of pull rod, the through-hole is seted up in the bottom in groove of stepping down and is run through and put the thing board, the one end tip that the handle groove was kept away from to the pull rod passes the through-hole and extends to the bottom of putting the thing board, the surface cover of pull rod is equipped with second reset spring, second reset spring is fixed to be set up between the bottom of putting the thing board and the tip of pull rod.

Compared with the prior art, the invention has the beneficial effects that:

when the Internet security server is required to be overhauled or maintained, the pull rod is pulled downwards, the pull plate pops out along the second limiting groove under the elastic action of the two groups of fourth reset springs, the tail portion of the pull plate pulls the connecting rope, the connecting rope drives the clamping block to move, when the clamping block is not plugged into the clamping groove any longer, the object placing plate pops out under the elastic action force of the two groups of first reset springs, the handle groove is held to pull the object placing plate, the object placing plate is made to move along the sliding groove, and when the object placing plate is pulled out, the Internet security server can be overhauled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a connection between a server and a support column structure according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the connection between the shelf board and the mounting board according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is an enlarged view of the structure at C in FIG. 4;

FIG. 7 is a cross-sectional view of a shelf structure according to the present invention;

FIG. 8 is an enlarged view of the structure at D in FIG. 7;

fig. 9 is an enlarged view of the structure at E in fig. 7.

In the figure: server rack 1, cabinet door 2, internet safety server 3, through wires hole 4, support column 5, put thing board 6, spout 7, first reset spring 8, first counter bore 9, joint groove 10, mounting panel 11, arm-tie 12, slider 13, joint piece 14, accomodate groove 15, pull rod 16, second reset spring 17, through-hole 18, connect rope 19, connecting hole 20, first stopper 21, first spacing groove 22, third reset spring 23, second counter bore 24, fourth reset spring 25, the groove of stepping down 26, second spacing groove 27, second stopper 28, handle groove 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: an internet security server for facilitating maintenance, the internet security server comprising:

the device comprises a server cabinet 1, wherein the server cabinet 1 is of a hollow rectangular structure, a cabinet door 2 is hinged to the side wall of one side of an opening end of the server cabinet 1, the size of the cabinet door 2 is matched with that of the server cabinet 1, supporting columns 5 are fixedly arranged on the inner side wall of the server cabinet 1, three groups of supporting columns 5 are arranged, three groups of supporting columns 5 are uniformly and symmetrically distributed, two groups of supporting columns 5 are arranged, the two supporting columns 5 are symmetrically distributed around the server cabinet 1, sliding grooves 7 are formed in the centrosymmetric positions of the opposite side walls of each group of supporting columns 5, first counter bores 9 are formed in the centrosymmetric positions of the bottom ends of the sliding grooves 7, first reset springs 8 are inserted into the first counter bores 9, the size of each first reset spring 8 is matched with that of each first counter bore 9, one end parts of the first reset springs 8 are fixedly connected to the centrosymmetric positions of the inner side walls of the first counter bores 9, clamping grooves 10 are formed in one sides of the first reset springs 8, the clamping grooves 10 are formed in the centrosymmetric positions of the inner center walls of the sliding grooves 7, threading holes 4 are formed in the centrosymmetric positions of the inner center walls of the server cabinet 1, the threading holes 4 penetrate through the inner side walls of the server cabinet 1, the three groups of the supporting columns 5, and the threading holes 4 are formed in the three groups of supporting columns 5, and correspond to the threading holes 4 respectively;

the storage board 6 is arranged inside the server cabinet 1, the size of the storage board 6 is matched with the size of the inside of the server cabinet 1, the size of the storage board 6 is matched with the size of the space between the two groups of support columns 5, the central symmetrical positions of the side wall of the storage board 6 are fixedly connected with two groups of slide blocks 13, the two groups of slide blocks 13 are arranged, the two groups of slide blocks 13 are symmetrically distributed by taking the storage board 6 as the center, the two groups of slide blocks 13 are respectively clamped inside the two groups of slide grooves 7 in a sliding way, the size of the slide grooves 7 is matched with the slide blocks 13, the storage board 6 is clamped inside the server cabinet 1 in a sliding way through the two groups of slide blocks 13, the upper surface of the storage board 6 is fixedly connected with a mounting plate 11, the cross section of the mounting plate 11 is of a '21274', the internet security server 3 is fixedly arranged inside the mounting plate 11, and the size of the internet security server 3 is matched with the size of the mounting plate 11, the internet safety server 3 is connected with the object placing plate 6 through the mounting plate 11, the internet safety server 3 is arranged inside the server cabinet 1 in a sliding manner through the object placing plate 6, the two sets of sliding blocks 13 are provided with accommodating grooves 15 at the central symmetrical positions of the side wall of one side far away from the object placing plate 6, the inside of the accommodating grooves 15 is provided with clamping blocks 14 in an inserted manner, the size of the clamping blocks 14 is matched with that of the accommodating grooves 15, the central symmetrical positions of the side wall of the clamping blocks 14 are fixedly connected with first limiting blocks 21, the first limiting blocks 21 are provided with two sets, the two sets of first limiting blocks 21 are symmetrically distributed by taking the clamping blocks 14 as the center, the two sets of first limiting blocks 21 are respectively clamped inside the two sets of first limiting grooves 22 in a sliding manner, the size of the first limiting grooves 22 is matched with that of the first limiting blocks 21, the two sets of first limiting grooves 22 are respectively arranged at the central symmetrical positions of the side walls at the two sides inside the accommodating grooves 15, a third return spring 23 is arranged inside the accommodating groove 15, the third return spring 23 is fixedly arranged between the central symmetrical position of the inner side wall of the accommodating groove 15 and the central symmetrical position of the end part of the clamping block 14, the clamping block 14 is elastically inserted into the accommodating groove 15 through the third return spring 23, the central symmetrical position of the inner part of the accommodating groove 15 is provided with a connecting hole 20, the connecting hole 20 penetrates through the inner part of the object placing plate 6 and is communicated with the inner part of the abdicating groove 26, a connecting rope 19 is arranged inside the connecting hole 20, the size of the connecting rope 19 is matched with the connecting hole 20, one end part of the connecting rope 19 is fixedly connected to the central symmetrical position of the rear end part of the clamping block 14, one end part of the connecting rope 19 far away from the clamping block 14 is fixedly connected to the side wall of one side of the pulling plate 12, and the two groups of connecting ropes 19 are symmetrically distributed by taking the pulling plate 12 as the center;

the pull plate 12 is clamped inside the abdicating groove 26, the abdicating groove 26 is arranged at the central symmetrical position of the side wall of the object placing plate 6, the size of the pull plate 12 is matched with the abdicating groove 26, the central symmetrical position of the side wall of the pull plate 12 is fixedly connected with two limit blocks 28, the two sets of the second limit blocks 28 are arranged, the two sets of the second limit blocks 28 are symmetrically distributed by taking the pull plate 12 as the center, the two sets of the second limit blocks 28 are respectively clamped inside the two sets of the second limit grooves 27 in a sliding way, the size of the second limit grooves 27 is matched with the second limit blocks 28, the two sets of the second limit grooves 27 are respectively arranged at the central symmetrical position of the side wall at the two sides inside the abdicating groove 26, the inside of the abdicating groove 26 is provided with two sets of second counter bores 24, the two sets of the second counter bores 24 are symmetrically distributed by taking the abdicating groove 26 as the center, and the inside of the two sets of the second counter bores 24 are provided with fourth reset springs 25, the size of the fourth return spring 25 is matched with that of the second counter bore 24, the fourth return spring 25 is fixedly arranged between the inner wall of the second counter bore 24 and the side wall of the end part of the pulling plate 12, the pulling plate 12 is elastically inserted in the abdicating groove 26 through two groups of the fourth return springs 25, a handle groove 29 is arranged on the side wall of one end of the pulling plate 12 far away from the fourth return spring 25, the handle groove 29 is positioned at the central symmetrical position of the pulling plate 12, the handle groove 29 penetrates through the pulling plate 12, one end part of the pull rod 16 is clamped in the handle groove 29, the pull rod 16 is inserted in the through hole 18, the size of the pull rod 16 is matched with that of the through hole 18, the through hole 18 is arranged at the bottom of the abdicating groove 26 and penetrates through the object placing plate 6, one end part of the pull rod 16 far away from the handle groove 29 penetrates through the through hole 18 and extends to the bottom of the object placing plate 6, the second return spring 17 is sleeved on the outer surface of the pull rod 16, the second return spring 17 is fixedly arranged between the bottom of the object placing plate 6 and the end of the pull rod 16.

When the internet safety server 3 is used, the internet safety server 3 is fixedly placed on the upper surface of the inside of the mounting plate 11, a cable penetrates through the threading hole 4 and is connected with the rear side of the internet safety server 3, when the internet safety server 3 needs to be overhauled or maintained, the pull rod 16 is pulled downwards, when the upper end face of the pull rod 16 is not clamped inside the handle groove 29 any more, under the elastic action of the two sets of fourth reset springs 25, the pull plate 12 is popped out along the second limiting groove 27, in the popping-out process of the pull plate 12, the tail portion of the pull plate 12 pulls the connecting rope 19 and drives the clamping block 14 to move through the connecting rope 19, when the clamping block 14 is stored inside the storage groove 15, the clamping block 14 is not plugged inside the clamping groove 10 any more, when the two sets of clamping blocks 14 are not plugged inside the clamping groove 10 any more, under the elastic acting force of the two sets of first reset springs 8, the storage plate 6 is popped out, meanwhile, the handle groove 29 can be held to pull the storage plate 6, the storage plate 6 is made to move along the chute 7, and when the storage plate 6 is overhauled, the internet safety server 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An internet security server convenient to maintain, its characterized in that: the internet security server convenient for maintenance includes:

the server cabinet (1) is of a hollow rectangular structure, and a cabinet door (2) is hinged to the side wall of one side of the opening end of the server cabinet (1);

the object placing plate (6) is arranged inside the server cabinet (1), and the size of the object placing plate (6) is matched with the size of the inside of the server cabinet (1);

the pull plate (12), pull plate (12) joint is in the inside of groove (26) of stepping down, and the groove of stepping down (26) is seted up and is put the lateral wall central symmetry position of thing board (6).

2. An internet security server for facilitating maintenance as claimed in claim 1, wherein: the size of cabinet door (2) and server rack (1) phase-match, and the fixed support column (5) that are provided with of inside lateral wall of server rack (1), support column (5) are provided with three groups, three even symmetric distributions of group's support column (5), and every group support column (5) are provided with two, two support columns (5) use server rack (1) to carry out bilateral symmetry and distribute as the center, and the relative lateral wall central symmetry position of every group support column (5) has all seted up spout (7), first counter bore (9) have been seted up to the inside bottom central symmetry position of spout (7), the inside grafting of first counter bore (9) is provided with first reset spring (8), the size and first counter bore (9) phase-match of first reset spring (8).

3. An internet security server for facilitating maintenance as claimed in claim 2, wherein: one end part of the first reset spring (8) is fixedly connected to the central symmetrical position of the inner side wall of the first counter bore (9), a clamping groove (10) is formed in one side of the first reset spring (8), the central symmetrical position of the inner center wall of the sliding groove (7) is formed in the clamping groove (10), a threading hole (4) is formed in the central symmetrical position of the inner center wall of the server cabinet (1), the inner side wall of the server cabinet (1) is penetrated through the threading hole (4), the threading hole (4) is located over the support columns (5), three groups of threading holes (4) are formed, and three groups of threading holes (4) correspond to three groups of support columns (5) respectively.

4. An internet security server for facilitating maintenance as claimed in claim 1, wherein: put the interval size phase-match between the size of thing board (6) and two sets of support columns (5), and put the lateral wall central symmetry position fixedly connected with slider (13) of thing board (6), slider (13) are provided with two sets ofly, two sets of sliders (13) are in order to put thing board (6) and carry out the symmetric distribution as the center, and two sets of sliders (13) slide clamping respectively in the inside of two sets of spout (7), the size and the slider (13) phase-match of spout (7), put thing board (6) through the inside of two sets of sliders (13) slip joint at server rack (1).

5. An internet security server as recited in claim 4, wherein: the internet safety server is characterized in that an installation plate (11) is fixedly connected to the upper surface of the object placing plate (6), the cross section of the installation plate (11) is of a '21274', an internet safety server (3) is fixedly arranged inside the installation plate (11), the size of the internet safety server (3) is matched with the size of the inside of the installation plate (11), the internet safety server (3) is connected with the object placing plate (6) through the installation plate (11), and the internet safety server (3) is arranged inside the server cabinet (1) in a sliding mode through the object placing plate (6).

6. An internet security server as recited in claim 4, wherein: two sets of slider (13) are kept away from one side lateral wall central symmetry position of putting thing board (6) and have been seted up and have been accomodate groove (15), the inside grafting of accomodating groove (15) is provided with joint piece (14), the size of joint piece (14) with accomodate groove (15) phase-match, and the lateral wall central symmetry position fixedly connected with first stopper (21) of joint piece (14), first stopper (21) are provided with two sets ofly, two sets of first stopper (21) use joint piece (14) to carry out the symmetric distribution as the center, and two sets of first stopper (21) slide the joint respectively in the inside of two sets of first spacing grooves (22), the size and the first stopper (21) phase-match of first spacing groove (22).

7. An internet security server as claimed in claim 6, wherein: two sets of first spacing groove (22) are seted up respectively and are being accomodate the inside both sides lateral wall central symmetry position in groove (15), and the inside of accomodating groove (15) is provided with third reset spring (23), third reset spring (23) are fixed to be set up between the tip central symmetry position of the inside lateral wall central symmetry position of accomodating groove (15) and joint piece (14), joint piece (14) are pegged graft in the inside of accomodating groove (15) through third reset spring (23) elasticity, and the inside central symmetry position of accomodating groove (15) has seted up connecting hole (20), connecting hole (20) pass the inside of putting thing board (6) and are linked together with the inside of groove of stepping down (26).

8. An internet security server for facilitating maintenance as claimed in claim 7, wherein: the inside of connecting hole (20) is provided with connects rope (19), connects the size and connecting hole (20) phase-match of rope (19), and connects the one end tip fixed connection of rope (19) and in the rear end tip central symmetry position of joint piece (14), connects one end tip fixed connection that rope (19) kept away from joint piece (14) and carries out the symmetric distribution in one side lateral wall at arm-tie (12), and two sets of connection rope (19) use arm-tie (12) to carry out the symmetric distribution as the center.

9. An internet security server for facilitating maintenance as claimed in claim 1, wherein: the size of arm-tie (12) and the groove of stepping down (26) phase-match, and the lateral wall central symmetry position fixedly connected with second stopper (28) of arm-tie (12), second stopper (28) are provided with two sets ofly, two sets of second stopper (28) use arm-tie (12) as the center and carry out the symmetric distribution, and two sets of second stopper (28) slide the joint respectively in the inside of two sets of second spacing grooves (27), the size and the second stopper (28) phase-match of second spacing groove (27), two sets of second spacing grooves (27) are seted up respectively and are being stepped down the inside both sides lateral wall central symmetry position in groove (26), second counter bore (24) have been seted up to the inside in groove of stepping down (26), two sets of second counter bore (24) have been seted up as the center with the groove of stepping down (26) and carry out the symmetric distribution, and the inside of two sets of second counter bore (24) all is provided with fourth reset spring (25), the size and the second counter bore (24) phase-tie (25) phase-up the elastic reset spring (25) and the inner wall (25) that the groove (12) set up through the arm-tie (12) of stepping down, and the inner wall of the arm-tie (25).

10. An internet security server for facilitating maintenance as claimed in claim 9, wherein: handle groove (29) have been seted up to the one end lateral wall that arm-tie (12) kept away from fourth reset spring (25), handle groove (29) are located the central symmetry position of arm-tie (12), and handle groove (29) run through arm-tie (12), the inside joint of handle groove (29) has the one end tip of pull rod (16), pull rod (16) are pegged graft in the inside of through-hole (18), the size and through-hole (18) phase-match of pull rod (16), through-hole (18) are seted up in the bottom of groove of stepping down (26) and are run through and put thing board (6), the one end tip that handle groove (29) were kept away from in pull rod (16) passes through-hole (18) and extend to the bottom of putting thing board (6), the surface cover of pull rod (16) is equipped with second reset spring (17), second reset spring (17) are fixed to be set up between the bottom of putting thing board (6) and the tip of pull rod (16).