A kind of intelligence multi information storage device

文档序号:1773611 发布日期:2019-12-03 浏览:23次 中文

阅读说明:本技术 一种智能多信息储存装置 (A kind of intelligence multi information storage device ) 是由 王宁 于 2019-08-29 设计创作,主要内容包括:本发明公开的一种智能多信息储存装置,包括机壳、触控屏和存储盘,所述机壳的前端开设有放置槽,且放置槽的槽内放置有存储盘,所述机壳的前端一侧处设置有触控屏,且机壳的下端四角处设置有支撑脚,所述放置槽的槽口上部开设有卡合插槽,且卡合插槽的槽内卡合连接偶定位插销,所述定位插销是由销片、卡合片、第一弹簧和第二弹簧组成,且销片的上端后侧处设置有第一弹簧和第二弹簧。本发明所述的一种智能多信息储存装置,通过电动推杆实现存储盘的自动推出,有效节省取出时间,有利于操作人员操作,通过定位插销简单检测存储盘是否插入到位,方便操作人员操作和判断,能够实现存储盘与机壳之间的限位固定,防止存储盘掉落。(A kind of intelligent multi information storage device disclosed by the invention, including casing, touch screen and storage dish, the front end of the casing offers placing groove, and storage dish is placed in the slot of placing groove, touch screen is provided at the front end side of the casing, and the lower end four corners of casing are provided with support leg, the notch top of the placing groove offers engaging slot, and the even fastening screw that is connected together in the slot of engaging slot, the fastening screw is by selling sheet, snap-latch piece, first spring and second spring composition, and the first spring and second spring are provided at the upper end rear side of selling sheet.A kind of intelligent multi information storage device of the present invention, the automatic release of storage dish is realized by electric pushrod, effectively save take-off time, be conducive to operator's operation, whether it is inserted in place by fastening screw easy detection storage dish, operator is facilitated to operate and judge, the limit that can be realized between storage dish and casing is fixed, and prevents storage dish from falling.)

1. a kind of intelligence multi information storage device, it is characterised in that: described including casing (1), touch screen (3) and storage dish (4) The front end of casing (1) offers placing groove (10), and storage dish (4) are placed in the slot of placing groove (10), the casing (1) It is provided at the side of front end touch screen (3), and the lower end four corners of casing (1) are provided with support leg (2), the placing groove (10) Notch top offer engaging slot (12), and engage slot (12) slot in be connected together even fastening screw (11), it is described Fastening screw (11) is made of selling sheet (1101), snap-latch piece (1102), the first spring (1103) and second spring (1104), and Be provided with the first spring (1103) and second spring (1104) on rear side of the upper end of selling sheet (1101), the selling sheet (1101) it is upper End is provided with snap-latch piece (1102) at front side, and snap-latch piece (1102) and selling sheet (1101) are connected together into engaging slot (12) slot Interior, the rear end folding of the casing (1) has recessed groove (5), and the interface of the slot bottom interlude setting of recessed groove (5) is covered with and connects Mouth protective shell (6), the slot bottom top and the bottom of the recessed groove (5) offer through-hole (7), are provided in the slot of the recessed groove (5) Stretching structure (9), and stretching structure (9) is by connection bottom case (901), wire column (902), the first electric pushrod (903) and The upper rear end of two electric pushrods (904) composition, connection bottom case (901) is provided with the first electric pushrod (903), and is connected The rear end lower of bottom case (901) is provided with the second electric pushrod (904), and connection bottom case (901) rear end is provided with the first electricity Dynamic push rod (903) and one end of the second electric pushrod (904) are inserted into through-hole (7) hole, and in the front end of connection bottom case (901) Between be connected with wire column (902), second electric pushrod (904) is by the first telescopic mast (9041), the second telescopic mast (9042), cushion pad (9043) and electric wire (9044) composition, and one end of the first telescopic mast (9041) is provided with second and stretches The other end of column (9042), second telescopic mast (9042) is connected with cushion pad (9043), first telescopic mast (9041) live wire (9044) are stretched out in rear end, and electric wire (9044) is inserted into through connection bottom case (901) into wire column (902) column Interior, the interior electric wire of the wire column (902) (9044) is extended to the inside of casing (1), is provided at the notch of the recessed groove (5) Rear cover (8), and rear cover (8) rear end four corners insertion bolt is connected with casing (1).

2. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: the slot of the placing groove (10) Bottom interlude is provided with interface, and the slot bottom interface of placing groove (10) matches setting with storage dish (4) back end interface, described Multiple groups storage dish (4) are placed in placing groove (10) slot.

3. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: recessed groove (5) slot bottom The through-hole (7) that top and the bottom open up is aligned setting, and through-hole (7) is arranged at multiple groups, and the through-hole (7) is connected with placing groove (10) It is logical.

4. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: the connection bottom case (901) Rear end top and the bottom offer threaded hole, and it is electronic by screw thread and the first electric pushrod (903) and second to connect bottom case (901) Connection between push rod (904), the shell of connection bottom case (901) is interior at hollow setting, and in the front end of connection bottom case (901) Between section offer transverse post slot, hollow groove is connected with transverse post slot in connection bottom case (901) shell.

5. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: the wire column (902) At hollow setting in column, and the lateral wall of wire column (902) offers wire guide, the wire guide with connect bottom case (901) shell Interior hollow groove is connected, the electric wire (9044) be inserted into connection bottom case (901) rear end open up hole extend to connection bottom case (901) In the hollow groove opened up, and electric wire (9044) is put in wire column (902) column in hollow hole from connection bottom case (901) hollow groove, The electric wire (9044) is inserted into through wire column (902) into casing (1) shell.

6. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: first electric pushrod (903) it is inserted into the second telescopic mast (9042) of the second electric pushrod (904) setting into through-hole (7) hole, and the first telescopic mast (9041) recessed groove (5) slot bottom is contacted, first telescopic mast (9041) is connected with recessed groove (5) slot bottom by adhesive, One end of second telescopic mast (9042) is extended through through-hole (7) to placing groove (10) slot, and the second telescopic mast (9042) Elongation is connected by adhesive with cushion pad (9043) to one end in placing groove (10) slot.

7. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: the fastening screw (11) sets The selling sheet (1101) set and the first spring (1103), second spring (1104) are welded to connect, and selling sheet (1101) and snap-latch piece (1102) integral setting, two upper lateral parts of the snap-latch piece (1102) are provided with block.

8. a kind of intelligent multi information storage device according to claim 1, it is characterised in that: the placing groove (10) and card It closes slot (12) to be connected, and engages slot (12) two sides cell wall and be provided with block slot, engaging slot (12) two sides cell wall The block slot opened up matches setting with (1102) two side block blocks of snap-latch piece.

Technical field

The present invention relates to information storage equipment area, in particular to a kind of intelligent multi information storage device.

Background technique

The storage of information is the importance of information system, if without information store, cannot make full use of collected, Processing gained information, while cost, consumption people, consumption object also being wanted to come the collection again of organizational information, processing, there is information storage, just It can guarantee on-demand, create conditions for the multi-functional utilization of unit information, thus greatly reduce expense, the advantage is that Access speed is exceedingly fast, and the data volume of storage is big, and information storage is by the information preservation after obtaining or processing, in case in the future Using, electric pushrod also known as linear actuator, a kind of Novel direct being mainly made of mechanisms such as motor push rod and control devices Line executing agency, it is believed that be a kind of extension of the rotating electric machine in configuration aspects;Due to needed in enterprise to bulk information into Row processing, in use, needing taking-up and insertion progress data processing, (such as exchange is acquired, processes and is counted storage device Calculate), it occur frequently that hand skidding can not take out during taking-up, taking-up process, which glances off, easily causes interface to damage.

Summary of the invention

The main purpose of the present invention is to provide a kind of intelligent multi information storage devices, can effectively solve in background technique The problem of.

To achieve the above object, the technical scheme adopted by the invention is as follows:

A kind of intelligence multi information storage device, including casing, touch screen and storage dish, the front end of the casing offer placement Slot, and storage dish is placed in the slot of placing groove, touch screen, and the lower end four of casing are provided at the front end side of the casing Support leg is provided at angle, the notch top of the placing groove offers engaging slot, and is connected together in the slot of engaging slot Even fastening screw, the fastening screw are made of selling sheet, snap-latch piece, the first spring and second spring, and behind the upper end of selling sheet It is provided with the first spring and second spring at side, is provided with snap-latch piece, and snap-latch piece and selling sheet at the upper end front side of the selling sheet It being connected together into engaging slot slot, the rear end of the casing, which opens and closes, recessed groove, and the slot bottom interlude setting of recessed groove Interface is covered with interface protection shell, and the slot bottom top and the bottom of the recessed groove offer through-hole, are provided in the slot of the recessed groove Stretching structure, and stretching structure is made of connection bottom case, wire column, the first electric pushrod and the second electric pushrod, the company The upper rear end for connecing bottom case is provided with the first electric pushrod, and the rear end lower for connecting bottom case is provided with the second electric pushrod, institute It states connection bottom case rear end and is provided with the first electric pushrod and one end of the second electric pushrod is inserted into through-hole hole, and connect bottom case Front end middle be connected with wire column, second electric pushrod be by the first telescopic mast, the second telescopic mast, cushion pad and Electric wire composition, and one end of the first telescopic mast is provided with the second telescopic mast, the other end of second telescopic mast is connected with buffering Cushion, live wire is stretched out in the rear end of first telescopic mast, and electric wire is inserted into through connection bottom case into wire column column, described to lead Electric wire is extended to the inside of casing in terminal, and rear cover, and rear cover back-end four corners insertion are provided at the notch of the recessed groove Bolt is connected with casing.

Preferably, the slot bottom interlude of the placing groove is provided with interface, and the slot bottom interface of placing groove and storage The setting of back-end disk Interface Matching, the placing groove slot is interior to place multiple groups storage dish.

Preferably, the through-hole that recessed groove slot bottom top and the bottom open up is aligned setting, and through-hole is arranged at multiple groups, described logical Hole is connected with placing groove.

Preferably, the rear end top and the bottom of the connection bottom case offer threaded hole, and connect bottom case and pass through screw thread and first Connection between electric pushrod and the second electric pushrod, the shell of the connection bottom case is interior at hollow setting, and before connection bottom case End interlude offers transverse post slot, and hollow groove is connected with transverse post slot in the connection bottom case shell.

Preferably, at hollow setting in the column of the wire column, and the lateral wall of wire column offers wire guide, described to lead String holes is connected with hollow groove in bottom case shell is connect, the electric wire be inserted into connection bottom case rear end open up hole extend to connection bottom case In the hollow groove opened up, and electric wire is put in wire column column in hollow hole from connection bottom case hollow groove, and the electric wire runs through conducting wire Column is inserted into casing shell.

Preferably, first electric pushrod and the second telescopic mast of the second electric pushrod setting are inserted into through-hole hole, And first telescopic mast contact recessed groove slot bottom, first telescopic mast is connected with recessed groove slot bottom by adhesive, described the One end of two telescopic masts is extended through through-hole to placing groove slot, and the second telescopic mast is extended to one end in placing groove slot by gluing Mixture is connected with cushion pad.

Preferably, the selling sheet of fastening screw setting and the first spring, second spring are welded to connect, and selling sheet with engage Piece is integrally arranged, and two upper lateral parts of the snap-latch piece are provided with block.

Preferably, the placing groove is connected with engaging slot, and engages slot two sides cell wall and be provided with block slot, described The block slot that engaging slot two sides cell wall opens up matches setting with two side block blocks of snap-latch piece.

Compared with prior art, the invention has the following beneficial effects: the intelligence multi information storage devices:

By the stretching structure of setting, the automatic release of storage dish, effectively saving take-off time are realized by electric pushrod, favorably It is operated in operator;

By the fastening screw of setting, whether it is inserted in place by fastening screw easy detection storage dish, operator is facilitated to grasp Make and judgement, the limit that can be realized between storage dish and casing are fixed, prevents storage dish from falling;

Entire intelligence multi information storage device structure is simple, and easy to operate, the effect used is more preferable relative to traditional approach.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of intelligent multi information storage device of the present invention;

Fig. 2 is a kind of overall structure diagram of intelligent multi information storage device of the present invention;

Fig. 3 is a kind of stretching structure schematic diagram of intelligent multi information storage device of the present invention;

Fig. 4 is a kind of electric pushrod structural schematic diagram of intelligent multi information storage device of the present invention;

Fig. 5 is enlarged diagram at a kind of Fig. 1 of intelligent multi information storage device of the present invention;

Fig. 6 is a kind of fastening screw structural schematic diagram of intelligent multi information storage device of the present invention.

In figure: 1, casing;2, support leg;3, touch screen;4, storage dish;5, recessed groove;6, interface protection shell;7, through-hole; 8, rear cover;9, stretching structure;901, bottom case is connected;902, wire column;903, the first electric pushrod;904, the second electric pushrod; 9041, the first telescopic mast;9042, the second telescopic mast;9043, cushion pad;9044, electric wire;10, placing groove;11, positioning is inserted Pin;1101, selling sheet;1102, snap-latch piece;1103, the first spring;1104, second spring;12, engage slot.

Specific embodiment

To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ", The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

As shown in figures 1 to 6, a kind of intelligent multi information storage device, including casing 1, touch screen 3 and storage dish 4, casing 1 Front end offers placing groove 10, and storage dish 4 is placed in the slot of placing groove 10, is provided with touch-control at the front end side of casing 1 Screen 3, and the lower end four corners of casing 1 are provided with support leg 2, the notch top of placing groove 10 offers engaging slot 12, and blocks The even fastening screw 11 that is connected together in the slot of slot 12 is closed, fastening screw 11 is by selling sheet 1101, snap-latch piece 1102, the first spring 1103 and second spring 1104 form, and selling sheet 1101 upper end on rear side of at be provided with the first spring 1103 and second spring 1104, on front side of the upper end of selling sheet 1101 at be provided with snap-latch piece 1102, and snap-latch piece 1102 and selling sheet 1101 are connected together into card It closes in 12 slot of slot, the rear end folding of casing 1 has recessed groove 5, and the interface of the slot bottom interlude setting of recessed groove 5 is covered with and connects Mouth protective shell 6, the slot bottom top and the bottom of recessed groove 5 offer through-hole 7, stretching structure 9 are provided in the slot of recessed groove 5, and flexible Structure 9 is made of connection bottom case 901, wire column 902, the first electric pushrod 903 and the second electric pushrod 904, connects bottom case 901 upper rear end is provided with the first electric pushrod 903, and the rear end lower for connecting bottom case 901 is provided with the second electric pushrod 904, connection 901 rear end of bottom case is provided with the first electric pushrod 903 and one end of the second electric pushrod 904 is inserted into 7 hole of through-hole It is interior, and the front end middle for connecting bottom case 901 is connected with wire column 902, the second electric pushrod 904 is by the first telescopic mast 9041, the second telescopic mast 9042, cushion pad 9043 and electric wire 9044 form, and one end of the first telescopic mast 9041 is provided with the Two telescopic masts 9042, the other end of the second telescopic mast 9042 are connected with cushion pad 9043, and the rear end of the first telescopic mast 9041 is stretched Live wire 9044 out, and electric wire 9044 is inserted into through connection bottom case 901 into 902 column of wire column, electric wire 9044 in wire column 902 Elongation is provided with rear cover 8, and 8 rear end four corners of rear cover insertion bolt and casing 1 to the inside of casing 1 at the notch of recessed groove 5 It is connected.

The slot bottom interlude of placing groove 10 is provided with interface, and the slot bottom interface of placing groove 10 and 4 rear end of storage dish Interface Matching setting, 10 slot of placing groove is interior to place multiple groups storage dish 4;The alignment of through-hole 7 that 5 slot bottom top and the bottom of recessed groove open up is set It sets, and through-hole 7 is arranged at multiple groups, through-hole 7 is connected with placing groove 10;The rear end top and the bottom of connection bottom case 901 offer screw thread Hole, and bottom case 901 is connected by the connection between screw thread and the first electric pushrod 903 and the second electric pushrod 904, connect bottom case At hollow setting in 901 shell, and the front end interlude for connecting bottom case 901 offers transverse post slot, connects in 901 shell of bottom case Empty slot is connected with transverse post slot;At hollow setting in the column of wire column 902, and the lateral wall of wire column 902 offers conducting wire Hole, wire guide are connected with hollow groove in 901 shell of bottom case is connect, and electric wire 9044 is inserted into connection 901 rear end of bottom case and opens up hole and stretch In the long hollow groove opened up to connection bottom case 901, and electric wire 9044 is put in 902 column of wire column from connection 901 hollow groove of bottom case In hollow hole, electric wire 9044 is inserted into through wire column 902 into 1 shell of casing;First electric pushrod 903 and the second electric pushrod Second telescopic mast 9042 of 904 settings is inserted into 7 hole of through-hole, and the first telescopic mast 9041 contacts 5 slot bottom of recessed groove, and first stretches Contracting column 9041 is connected with 5 slot bottom of recessed groove by adhesive, and one end of the second telescopic mast 9042 is through the elongation of through-hole 7 to placement In 10 slot of slot, and the elongation of the second telescopic mast 9042 is connected by adhesive with cushion pad 9043 to one end in 10 slot of placing groove It connects;The selling sheet 1101 and the first spring 1103, second spring 1104 that fastening screw 11 is arranged are welded to connect, and selling sheet 1101 and card It closes piece 1102 to be integrally arranged, two upper lateral parts of snap-latch piece 1102 are provided with block;Placing groove 10 is connected with engaging slot 12, And engaging 12 two sides cell wall of slot is provided with block slot, engages block slot and 1102 liang of snap-latch piece that 12 two sides cell wall of slot opens up The setting of side block Block- matching.

It should be noted that the present invention is a kind of intelligent multi information storage device, it is first when assembling stretching structure 9 and casing 1 The assembling of stretching structure 9 is first carried out, the electric wire 9044 that 9041 rear end of the first telescopic mast is stretched out is inserted into connection 901 hole of bottom case, Electric wire 9044 through connection bottom case 901, be inserted into the screw hole opened up into connection bottom case 901 by the rear end of the first telescopic mast 9041, turns Dynamic first telescopic mast 9041, the first telescopic mast 9041 are threadedly attached on connection bottom case 901, and progress first is electronic one by one pushes away Connection between bar 903 and the second electric pushrod 904 and connection bottom case 901, the structure of the first electric pushrod 903 and second electronic The structure of push rod 904 is identical, connection type and the second electric pushrod 904 between the first electric pushrod 903 and connection bottom case 901 Connection type is identical between connection bottom case 901, realizes the first electric pushrod 903, the second electric pushrod 904 and connection bottom case After 901 connection, after multiple groups the first electric pushrod 903, the second electric pushrod 904 and connection bottom case 901 combine, bottom case is connected 901 electric wires 9044 stretched out are inserted into wire column 902, and electric wire 9044 passes through wire column 902 and puts in casing 1, and wire column 902 connects The lateral circular hole that each connection 901 front end of bottom case opens up is touched, wire column 902 is connected by adhesive with bottom case 901 is connect, real Being fixedly connected between existing wire column 902 and connection bottom case 901, to complete the assembling of entire stretching structure 9, stretching structure 9 The through-hole 7 that the first electric pushrod 903 and 904 alignment recess slot of the second electric pushrod, 5 slot bottom being arranged open up is inserted into, until First electric pushrod 903 and the second telescopic mast 9042 of the second electric pushrod 904 setting are inserted into 10 slot of placing groove, the second electricity The end thereof contacts cushion pad 9043 for the second telescopic mast 9042 that dynamic push rod 904 is arranged, cushion pad 9043 and the second telescopic mast 9042 contact jaws are bonded using adhesive, are realized between the first electric pushrod 903 and the second electric pushrod 904 and casing 1 Connection, interface protection shell 6 installs with casing 1 first before stretching structure 9 and casing 1 are installed, 6 alignment recess of interface protection shell The conducting wire that 5 slot bottom interface of slot stretches out is covered, and the interface and conducting wire that interface protection shell 6 covers and is extended in casing 1, is used Bolt completes the installation between interface protection shell 6 and casing 1, then carries out using rear cover 8, at 8 alignment recess slot of rear cover, 5 notch, Be inserted into using bolt alignment 8 four jiaos of screw holes opened up of rear cover, realize being fixedly connected between rear cover 8 and casing 1, then into Connection between row fastening screw 11 and casing 1, when fastening screw 11 assembles, 1103 He of the first spring of the setting of fastening screw 11 1101 upper end of lower end aligned selling sheet of second spring 1104, to lower end and the selling sheet of the first spring 1103 and second spring 1104 1101 are welded to connect, and the first spring 1103 and second spring 1104 are not contacted with snap-latch piece 1102, press the first spring 1103 and second spring 1104 check whether the first spring 1103 and second spring 1104 firm with the welding of selling sheet 1101, and it is fixed to complete After the installation of position bolt 11, the lower end notch for the alignment engaging slot 12 of snap-latch piece 1102 that fastening screw 11 is arranged is inserted into, In insertion process, snap-latch piece 1102 is oblique to be inserted into engaging 12 slot of slot, the bumping post card of 1102 liang of upper lateral parts of snap-latch piece setting It closes in the retaining groove opened up into engaging 12 cell wall of slot, in 1102 insertion process of snap-latch piece, the first spring 1103 and second spring 1104 upper-end contact engages 12 cell wall of slot, the connection between fastening screw 11 and casing 1 is realized, in use, pushing up Engage the fastening screw 11 being arranged in 12 slot of slot, the first spring 1103 and second spring 1104 that fastening screw 11 is arranged are upward Compression, until selling sheet 1101 push into engaging 12 slot of slot in, storage dish 4 offer interface end alignment placing groove 10 carry out it is slotting Enter, until storage dish 4 interface alignment placing groove 10 interface, press storage dish 4 front end, realize 4 interface of storage dish with The connection of the interface of 10 slot bottom of placing groove setting, loosens fastening screw 11, when fastening screw 11 does not stress, fastening screw 11 is set The first spring 1103 and second spring 1104 the stretching, extension pop-up set, drive selling sheet 1101 to slide in engaging 12 slot of slot, store When 4 interface stable connection of disk, selling sheet 1101 moves down the exposing of bumping post storage dish 4, when selling sheet 1101 and storage dish 4 collide, Storage dish 4 is not fully inserted into 10 slot of placing groove, carries out insertion operation to storage dish 4 again, when taking out storage dish 4, to Upper promotion fastening screw 11, fastening screw 11 no longer stop storage dish 4, the first electric pushrod 903 that starting stretching structure 9 is arranged With the second electric pushrod 904, the second telescopic mast 9042 from first of the first electric pushrod 903 and the setting of the second electric pushrod 904 It is stretched out in telescopic mast 9041, the second telescopic mast 9042 extends in 7 hole of through-hole drives cushion pad 9043, cushion pad 9043 One end is tightly attached to the interface end of storage dish 4, and the second constantly elongation of telescopic mast 9042 pushes cushion pad 9043, cushion pad 9043 The interface end face for pushing storage dish 4, when storage dish 4 is pushed, the interface of interface and 10 slot bottom of the placing groove setting of storage dish 4 Constantly until storage dish 4 is connected with 10 slot bottom interface of placing groove, storage dish 4 can be manual after being pushed out certain distance for separation It pulls out, loosens fastening screw 11, the first electric pushrod 903 and the flexible withdrawal of the second electric pushrod 904, realize making for whole device With.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

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