阅读说明：本技术 一种方便使用的户外广告展示板 (Outdoor advertisement show board that facilitates use ) 是由 黄嘉惠 于 2021-07-13 设计创作，主要内容包括：本发明涉及一种广告展示板,尤其涉及一种方便使用的户外广告展示板。本发明的目的是提供一种具有照明功能而且方便使用的户外广告展示板。本发明提供了这样一种方便使用的户外广告展示板,包括有壳体和挡板,挡板安装在壳体顶部；玻璃,壳体安装在玻璃一侧中部；开闭组件,开闭组件安装在壳体上；隔板,隔板安装在壳体内部两侧；安装组件,安装组件安装在隔板上；广告布,广告布绕在安装组件上。本发明在转板、传动辊和第一活动块的作用下,能够将广告布绕在传动辊进行展示,从而方便人们将广告布进行展示,进而能够提高广告的传播效率。(The invention relates to an advertisement display board, in particular to an outdoor advertisement display board convenient to use. The invention aims to provide an outdoor advertisement display board which has an illumination function and is convenient to use. The invention provides a conveniently-used outdoor advertisement display board, which comprises a shell and a baffle, wherein the baffle is arranged at the top of the shell; the shell is arranged in the middle of one side of the glass; the opening and closing assembly is arranged on the shell; the partition plates are arranged on two sides inside the shell; the mounting assembly is mounted on the partition plate; the advertisement cloth is wound on the mounting assembly. Under the action of the rotating plate, the driving roller and the first movable block, the advertisement cloth can be wound on the driving roller for display, so that people can conveniently display the advertisement cloth, and the transmission efficiency of the advertisement can be improved.)

1. The utility model provides an outdoor advertisement show board that facilitates use, characterized by, including:

the device comprises a shell (1) and a baffle (2), wherein the baffle (2) is arranged at the top of the shell (1);

the glass (3), the shell (1) is installed in the middle of one side of the glass (3);

the opening and closing assembly (4), the opening and closing assembly (4) is installed on the shell (1);

the partition plates (5), the partition plates (5) are arranged on two sides in the shell (1);

the mounting assembly (6), the mounting assembly (6) is mounted on the partition plate (5);

the advertising cloth (7) is wound on the mounting component (6).

2. A conveniently used outdoor advertisement display board according to claim 1, wherein the opening and closing member (4) comprises:

the rotating plate (401), the rotating plate (401) is rotatably installed on the upper part of one side of the shell (1);

the clamping rod (402), the clamping rod (402) is installed on the lower middle side of the rotating plate (401) in a sliding mode, and the clamping rod (402) clamps the shell (1);

the first spring (403), the first spring (403) is installed between the top of the clamping rod (402) and the rotating plate (401);

the pushing block (404), the pushing block (404) is slidably mounted at the lower part of one side of the shell (1), and the pushing block (404) is matched with the clamping rod (402);

and the second spring (405), and the second spring (405) is installed between the push block (404) and the shell (1).

3. A convenient outdoor advertising display board according to claim 2, wherein the mounting member (6) comprises:

the first driving wheels (601), the first driving wheels (601) are rotatably arranged at the upper and lower sides of the inner side of the partition board (5) at one side;

the first mounting blocks (602), the first mounting blocks (602) are mounted on the upper and lower sides of the inner side of the partition plate (5) on one side;

the driving rollers (603), the driving rollers (603) are arranged on one side of the first mounting block (602), and the driving rollers (603) are in contact with the advertising cloth (7);

the first movable block (604), the first movable block (604) is installed on one side of the driving roller (603) in a sliding mode, and the first movable block (604) is matched with the first driving wheel (601);

and the third spring (605), wherein the third spring (605) is arranged between one side of the transmission roller (603) and the first movable block (604).

4. A convenient outdoor advertising display board according to claim 3, further comprising an adjusting member (8), wherein the adjusting member (8) comprises:

the hand wheel (801), the hand wheel (801) is installed in the middle of one side of the shell (1) in a rotating mode;

the rotating shaft (803), the rotating shaft (803) is installed on the lower part of one side inside the shell (1) in a rotating way;

the second driving wheel (802), the second driving wheel (802) is installed on one side of the rotating shaft (803) and one side of the hand wheel (801);

a first belt (804), wherein the first belt (804) is wound between the second transmission wheels (802);

a fixing rod (806), wherein the fixing rod (806) is installed at one side of the first transmission wheel (601) at the lower side;

the second movable block (807), the second movable block (807) is installed on one side of the fixed rod (806) in a sliding way;

the clutch block (805), the clutch block (805) is installed on one side of the second movable block (807) and one side of the rotating shaft (803), the clutch block (805) is mutually matched;

the fourth spring (808), the fourth spring (808) is installed between one side of the fixed rod (806) and the second movable block (807);

and a second belt (809), wherein the second belt (809) is wound between the first transmission wheels (601).

5. The outdoor advertisement display board convenient for use according to claim 4, further comprising a clutch assembly (11), wherein the clutch assembly (11) comprises:

the push rod (1101) is installed on one side of the lower portion of the partition plate (5) on one side in a sliding mode, and the push rod (1101) is rotatably connected with the second movable block (807);

the rotating rod (1102), the rotating rod (1102) is rotatably installed on the lower side of one side in the shell (1), and the rotating rod (1102) is matched with the push rod (1101);

the guide rod (1103) is installed on the lower side of one side inside the shell (1), and the guide rod (1103) is located on one side of the rotating rod (1102);

the contact rod (1104), the contact rod (1104) is installed on one side of the guide rod (1103) in a sliding mode, and the contact rod (1104) is matched with the rotating rod (1102);

and a sixth spring (1105), wherein the sixth spring (1105) is installed between the lower part of one side of the contact lever (1104) and the guide lever (1103).

6. A convenient outdoor advertising display board according to claim 5, further comprising a lighting assembly (9), wherein the lighting assembly (9) comprises:

the second mounting blocks (901), the second mounting blocks (901) are mounted on two sides inside the shell (1);

the illuminating lamp (902), the illuminating lamp (902) is installed inside the second installation block (901) in a rotating mode;

the first connecting rod (903), the first connecting rod (903) is installed between the lighting lamps (902) on the same side in a rotating mode.

7. A convenient outdoor advertising display board according to claim 6, further comprising an auxiliary member (10), wherein the auxiliary member (10) comprises:

the second connecting rod (1001), the second connecting rod (1001) is installed on the upside of the rotating plate (401) in a rotating way;

the rotary sleeve (1002), the rotary sleeve (1002) is rotatably mounted at the lower side of the inner side of the partition plate (5) at one side;

the movable rod (1003) is arranged on the rotating sleeve (1002) in a sliding mode;

a fifth spring (1004), wherein the fifth spring (1004) is arranged between the movable rod (1003) and the rotating sleeve (1002), and the fifth spring (1004) is wound on the movable rod (1003);

the sliding block (1005) is installed on one side of the lower part of the inner side of the partition plate (5) on one side in a sliding manner;

and the fixed shaft (1006), the fixed shaft (1006) is installed on one side of the sliding block (1005), one side of the fixed shaft (1006) is rotatably connected with the movable rod (1003), and one side of the fixed shaft (1006) is rotatably connected with the second connecting rod (1001).

8. The outdoor advertisement showing board convenient to use according to claim 2, wherein the lower side of the middle part of one side of the shell (1) is provided with two round holes for the clamping rod (402) to clamp the shell (1).

Technical Field

The invention relates to an advertisement display board, in particular to an outdoor advertisement display board convenient to use.

Background

Advertisement is a means of publicizing and widely transmitting information to the public through a certain form of media for a certain specific need, and an advertisement display board is an outdoor display device for conveniently spreading advertisements.

The existing outdoor advertisement display board has a single structure, and can not effectively display the advertisement content, so that the use of the inconvenient advertisement display board can not improve the propagation efficiency of the advertisement, and people can not see the content of the advertisement in a dark environment at night, thereby resulting in lower use efficiency of the advertisement display board.

Therefore, in view of the above circumstances, it is desirable to design an outdoor advertisement display board having an illumination function and being convenient to use.

Disclosure of Invention

In order to overcome the defects that the conventional advertisement display board is single in structure, inconvenient to use and unclear for people to see advertisement contents at night, the invention aims to provide the outdoor advertisement display board which has the illumination function and is convenient to use.

The technical scheme is as follows: an outdoor advertisement show board that facilitates use, including:

the baffle is arranged at the top of the shell;

the shell is arranged in the middle of one side of the glass;

the opening and closing assembly is arranged on the shell;

the partition plates are arranged on two sides inside the shell;

the mounting assembly is mounted on the partition plate;

the advertisement cloth is wound on the mounting assembly.

As a further preferable mode, the opening and closing member includes:

the rotating plate is rotatably arranged on the upper part of one side of the shell;

the clamping rod is arranged on the lower middle side of the rotating plate in a sliding mode and clamps the shell;

the first spring is arranged between the top of the clamping rod and the rotating plate;

the pushing block is arranged at the lower part of one side of the shell in a sliding manner and is matched with the clamping rod;

and the second spring is arranged between the push block and the shell.

As a further preferred aspect, the mounting assembly comprises:

the first driving wheels are rotatably arranged on the upper side and the lower side of the inner side of the partition plate on one side;

the first mounting blocks are mounted on the upper side and the lower side of the inner side of the partition plate on one side;

the driving rollers are arranged on one side of the first mounting block, and the driving rollers are in contact with the advertising cloth;

the first movable block is arranged on one side of the transmission roller in a sliding mode and matched with the first transmission wheel;

and the third spring is arranged between one side of the driving roller and the first movable block.

As a further preferable scheme, the device further comprises an adjusting component, and the adjusting component comprises:

the hand wheel is rotatably arranged in the middle of one side of the shell;

the rotating shaft is rotatably arranged at the lower part of one side in the shell;

the second driving wheel is arranged on one side of the rotating shaft and one side of the hand wheel;

the first belt is wound between the second transmission wheels;

the fixed rod is arranged on one side of the first driving wheel on the lower side;

the second movable block is arranged on one side of the fixed rod in a sliding manner;

the clutch block is arranged on one side of the second movable block and one side of the rotating shaft, and the clutch blocks are matched with each other;

the fourth spring is arranged between one side of the fixed rod and the second movable block;

and a second belt wound between the first driving wheels.

As a further preferable scheme, the clutch assembly further comprises:

the push rod is arranged on one side of the lower part of the partition board on one side in a sliding mode and is rotatably connected with the second movable block;

the rotating rod is rotatably arranged on the lower side of one side in the shell and is matched with the push rod;

the guide rod is arranged on the lower side of one side in the shell and is positioned on one side of the rotating rod;

the contact rod is arranged on one side of the guide rod in a sliding mode and is matched with the rotating rod;

and the sixth spring is arranged between the lower part of one side of the contact rod and the guide rod.

As a further preferable scheme, the lighting device further comprises a lighting assembly, wherein the lighting assembly comprises:

the second mounting blocks are mounted on two sides in the shell;

the illuminating lamp is rotatably arranged on the inner side of the second mounting block;

the first connecting rod is rotatably installed between the illuminating lamps on the same side.

As a further preferable aspect, the apparatus further comprises an auxiliary assembly, wherein the auxiliary assembly comprises:

the second connecting rod is rotatably arranged on the upper side of the rotating plate;

the rotary sleeve is rotatably arranged at the lower part of the inner side of the partition board on one side;

the movable rod is slidably arranged on the rotating sleeve;

the fifth spring is arranged between the movable rod and the rotary sleeve and is wound on the movable rod;

the sliding block is arranged on one side of the lower part of the inner side of the partition board on one side in a sliding manner;

and the fixed shaft is arranged on one side of the sliding block, one side of the fixed shaft is rotatably connected with the movable rod, and one side of the fixed shaft is rotatably connected with the second connecting rod.

As a further preferable scheme, the lower side of the middle part of one side of the shell is provided with two round holes for clamping the shell by the clamping rod.

The invention has the following advantages: 1. under the action of the rotating plate, the driving roller and the first movable block, the advertisement cloth can be wound on the driving roller for display, so that people can conveniently display the advertisement cloth, and the transmission efficiency of the advertisement can be improved.

2. The invention can rotate the hand wheel to rotate the advertising cloth, thereby being convenient for people to adjust the advertising position on the advertising cloth and having convenient operation.

3. The invention moves the contact rod, can make the clutch blocks at the two sides contact or separate, thereby preventing passers-by from randomly adjusting the position of the advertising cloth through the hand wheel.

4. The invention can turn on the illuminating lamp in dark so that the illuminating lamp illuminates the advertising cloth, thereby people can display the advertisement in dark and the use efficiency of the advertisement display board is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

Fig. 3 is a schematic cross-sectional view of a first embodiment of the present invention.

FIG. 4 is a schematic view of a second partial body structure according to the present invention.

Fig. 5 is a schematic cross-sectional view of a second embodiment of the present invention.

Fig. 6 is a perspective view of the opening and closing assembly of the present invention.

Fig. 7 is a schematic perspective view of a first embodiment of the mounting assembly of the present invention.

Fig. 8 is a second perspective view of the mounting assembly of the present invention.

Fig. 9 is a schematic perspective view of a first adjustment assembly of the present invention.

Fig. 10 is a schematic perspective view of a second adjustment assembly of the present invention.

Fig. 11 is a schematic perspective view of a first lighting assembly of the present invention.

Fig. 12 is a schematic perspective view of a second lighting assembly of the present invention.

Fig. 13 is a schematic perspective view of a first auxiliary assembly according to the present invention.

Fig. 14 is a second perspective view of the auxiliary assembly of the present invention.

Fig. 15 is a schematic perspective view of a clutch assembly according to a first embodiment of the present invention.

Fig. 16 is a schematic perspective view of a clutch assembly according to a second embodiment of the present invention.

Number designation in the figures: 1-shell, 2-baffle, 3-glass, 4-opening and closing component, 401-rotating plate, 402-clamping rod, 403-first spring, 404-pushing block, 405-second spring, 5-baffle, 6-mounting component, 601-first driving wheel, 602-first mounting block, 603-driving roller, 604-first movable block, 605-third spring, 7-advertising cloth, 8-adjusting component, 801-handwheel, 802-second driving wheel, 803-rotating shaft, 804-first belt, 805-clutch block, 806-fixed rod, 807-second movable block, 808-fourth spring, 809-second belt, 9-lighting component, 901-second mounting block, 902-lighting lamp, 903-first connecting rod, 10-auxiliary assembly, 1001-second connecting rod, 1002-rotating sleeve, 1003-movable rod, 1004-fifth spring, 1005-sliding block, 1006-fixed shaft, 11-clutch assembly, 1101-push rod, 1102-rotating rod, 1103-guide rod, 1104-contact rod and 1105-sixth spring.

Detailed Description

The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The serial numbers of the parts are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).

Example 1

The utility model provides an outdoor advertisement show board that facilitates use, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 show, including casing 1, baffle 2, switching module 4, glass 3, baffle 5, installation component 6 and advertisement cloth 7, open 1 rear side middle part downside of casing has two round holes, 1 top of casing is equipped with baffle 2, 1 front side middle part of casing is equipped with glass 3, be equipped with switching module 4 on the casing 1, the inside left and right sides of casing 1 all is equipped with baffle 5, be equipped with installation component 6 on the baffle 5, around having advertisement cloth 7 on the installation component 6.

Opening and closing subassembly 4 is including changeing board 401, kelly 402, first spring 403, ejector pad 404 and second spring 405, casing 1 rear side upper portion rotary type is equipped with changeing board 401, commentaries on classics board 401 lower part medial side slidingtype is equipped with two kellies 402, kelly 402 blocks casing 1, all be equipped with first spring 403 between kelly 402 top and the commentaries on classics board 401, casing 1 rear side lower part slidingtype is equipped with ejector pad 404, ejector pad 404 and kelly 402 cooperation, be equipped with two second springs 405 between ejector pad 404 and the casing 1.

Installation component 6 is including first drive wheel 601, first installation piece 602, driving roller 603, first movable block 604 and third spring 605, the equal rotary type in the upper and lower both sides of the baffle 5 inboard on right side is equipped with first drive wheel 601, the upper and lower both sides of the 5 inboard on left baffle all are equipped with first installation piece 602, driving roller 603 has all been placed on first installation piece 602 right side, contact with advertisement cloth 7 between the driving roller 603, the equal slidingtype in driving roller 603 right side is equipped with first movable block 604, first movable block 604 and the cooperation of first drive wheel 601, all be equipped with third spring 605 between driving roller 603 right side and the first movable block 604.

When people need to put the advertising cloth 7 into the advertising display board for display, firstly, the pushing block 404 is pushed to move upwards, the second spring 405 is compressed to drive the clamping rod 402 to move upwards, the first spring 403 is compressed to enable the clamping rod 402 to loosen the shell 1, then the rotating plate 401 is rotated upwards to be opened, when the clamping rod 402 is separated from the shell 1, the first spring 403 restores to the original state, the first spring 403 drives the clamping rod 402 to move downwards to restore to the original state, then the pushing block 404 is released, the second spring 405 drives the pushing block 404 to move downwards to restore to the original state, then the rotating plate 401 is manually supported, then the first moving block 604 is pulled to move leftwards, the third spring 605 is compressed to enable the first moving block 604 to loosen the first transmission wheel 601, then the transmission roller 603 is taken down from the first installation block 602, then the advertising cloth 7 is wound between the transmission rollers 603, and then the transmission roller 603 is put back on the first installation block 602, then the first movable block 604 is released, the third spring 605 returns to the original state, the third spring 605 drives the first movable block 604 to move rightwards, so that the first movable block 604 clamps the first driving wheel 601, then the advertising cloth 7 is pulled manually to rotate, the advertising position on the advertising cloth 7 is adjusted as required, after the adjustment is completed, the advertising cloth 7 is released, then the rotating plate 401 is released, under the action of gravity, the rotating plate 401 is reversely rotated and closed, when the clamping rod 402 is in contact with the shell 1, the shell 1 can press the clamping rod 402 to move upwards, the first spring 403 is compressed, when the clamping rod 402 is aligned with the round hole on the shell 1, the first spring returns to the original state, the first spring drives the clamping rod 402 to move downwards and return, so that the clamping rod 402 clamps the shell 1 again, and when people need to replace or take off the advertising cloth 403, the operation is repeated.

Example 2

Based on embodiment 1, as shown in fig. 3, 4, 9, 10, 11, 12, 13, 14, 15 and 16, the adjusting assembly 8 further includes an adjusting assembly 8, the adjusting assembly 8 includes a hand wheel 801, a second transmission wheel 802, a rotation shaft 803, a first belt 804, a clutch block 805, a fixed rod 806, a second movable block 807, a fourth spring 808 and a second belt 809, the hand wheel 801 is rotatably disposed in the middle of the right side of the housing 1, the rotation shaft 803 is rotatably disposed in the lower portion of the right side of the housing 1, the second transmission wheel 802 is disposed on the right side of the rotation shaft 803 and the left side of the hand wheel 801, the first belt 804 is wound between the second transmission wheels 802, the fixed rod 806 is disposed on the right side of the first transmission wheel 601 on the lower side, the second movable block 807 is slidably disposed on the right side of the fixed rod 806, the clutch block 805 is disposed on the right side of the second movable block 807 and the left side of the rotation shaft 803, the clutch blocks 805 are mutually engaged, the fourth spring 808 is disposed between the right side of the fixed rod 806 and the second movable block 807, a second belt 809 is wound between the first driving wheels 601.

Still including clutch assembly 11, clutch assembly 11 is including push rod 1101, bull stick 1102, guide arm 1103, contact bar 1104 and sixth spring 1105, baffle 5 lower part back side sliding type on right side is equipped with push rod 1101, push rod 1101 is connected with second movable block rotary type 807, the right downside rotary type of the inside rear side of casing 1 is equipped with bull stick 1102, bull stick 1102 and push rod 1101 cooperation, the right downside of the inside rear side of casing 1 is equipped with guide arm 1103, guide arm 1103 is located the right side of bull stick 1102, guide arm 1103 front side sliding type is equipped with contact bar 1104, contact bar 1104 and bull stick 1102 cooperation, be equipped with sixth spring 1105 between contact bar 1104 rear side lower part and the guide arm 1103.

In an initial state, the fourth spring 808 is in a compressed state, when people need to adjust the advertisement position on the advertisement cloth 7, the contact lever 1104 can be pulled to move backwards, the sixth spring 1105 is compressed, when the contact lever 1104 is separated from the rotating lever 1102, the fourth spring 808 recovers, the fourth spring 808 drives the second movable block 807 to move rightwards, so as to drive the push rod 1101 and the clutch block 805 on the left side to move rightwards, so as to make the clutch blocks 805 on the left side and the right side contact, simultaneously, the push rod 1101 drives the rotating lever 1102 to rotate, so as to make the rotating lever 1102 contact with the contact lever 1104, then the hand wheel 801 is rotated, the hand wheel 801 drives the second driving wheel 802 on the upper side to rotate, so as to drive the second driving wheel 802 on the lower side, the first belt 804, the rotating shaft 803, the clutch block 805, the second movable block 807, the fixed rod 806 and the first driving wheel 601 on the lower side to rotate, so as to drive the first driving wheel 601, the second belt 809, the first movable block 604 and the driving roller 603 on the upper side, make advertisement cloth 7 take place to rotate, thereby can make things convenient for people to adjust the advertisement position on the advertisement cloth 7, after adjusting, loosen hand wheel 801, above-mentioned rotation is whole to be stopped, thereby make advertisement cloth 7 stall, then loosen contact lever 1104, sixth spring 1105 reconversion, sixth spring 1105 drives contact lever 1104 and moves forward and resets, thereby drive the reversal of bull stick 1102 and reset, bull stick 1102 drives push rod 1101, second movable block 807 and left separation and reunion piece 805 move left and reset, fourth spring 808 compresses, thereby make the separation and reunion piece 805 separation of left and right sides, and then can prevent passerby from adjusting the position of advertisement cloth 7 through hand wheel 801 at will.

Still including lighting assembly 9, lighting assembly 9 is including second installation piece 901, light 902 and first connecting rod 903, and the inside left and right sides of casing 1 all is equipped with two second installation pieces 901, and the inboard equal rotary type of second installation piece 901 is equipped with light 902, and equal rotary type is equipped with first connecting rod 903 between the light 902 of homonymy.

When people need put into advertisement show inboard with advertisement cloth 7, can rotate first connecting rod 903, thereby drive light 902 and rotate, put into advertisement show inboard back when people with advertisement cloth 7, again with first connecting rod 903 reversal reset, thereby drive light 902 reversal reset, when dark, people can open light 902, make light 902 illuminate advertisement cloth 7, thereby make people also can show the advertisement when dark, it can to close light 902 after the sky is bright.

The auxiliary assembly 10 comprises a second connecting rod 1001, a rotating sleeve 1002, a movable rod 1003, a fifth spring 1004, a sliding block 1005 and a fixed shaft 1006, the second connecting rod 1001 is rotatably arranged on the upper side of the front left portion of the rotating plate 401, the rotating sleeve 1002 is rotatably arranged on the lower side of the inner side of the left partition plate 5, the movable rod 1003 is slidably arranged on the rotating sleeve 1002, the fifth spring 1004 is arranged between the movable rod 1003 and the rotating sleeve 1002, the fifth spring 1004 is wound on the movable rod 1003, the sliding block 1005 is slidably arranged on the lower side of the inner side of the left partition plate 5 at the rear side, the fixed shaft 1006 is arranged on the right side of the sliding block 1005, the left side of the fixed shaft 1006 is rotatably connected with the movable rod 1003, and the right side of the fixed shaft 1006 is rotatably connected with the second connecting rod 1001.

When people rotate and open the rotating plate 401, the rotating plate 401 drives the second connecting rod 1001 to move upwards, the second connecting rod 1001 drives the fixed shaft 1006 and the sliding block 1005 to move upwards, so as to drive the movable rod 1003 and the rotating sleeve 1002 to rotate, the fifth spring 1004 is deformed adaptively, then people can loosen the rotating plate 401, at the moment, under the action of the elastic force of the fifth spring 1004, the movable rod 1003 is made to clamp the positions of the fixed shaft 1006 and the sliding block 1005, so as to clamp the positions of the second connecting rod 1001 and the rotating plate 401, further to replace the manual work to hold the rotating plate 401, when people rotate the rotating plate 401 to close, the rotating plate 401 drives the second connecting rod 1001 to move downwards and reset, the second connecting rod 1001 drives the fixed shaft 1006 and the sliding block 1005 to move downwards and reset, so as to drive the movable rod 1003 and the rotating sleeve 1002 to rotate and reset.

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