CN111955950A

CN111955950A - Cabinet body structure based on early education prevents that children open by mistake

Info

Publication number: CN111955950A
Application number: CN202010869473.0A
Authority: CN
Inventors: 许翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-20

Abstract

The invention provides a cabinet body structure for preventing children from opening by mistake based on early education, which relates to the technical field of cabinet doors and aims to solve the problems that the existing cabinet body mostly adopts a pull mode or a mode of opening two sides, children can pull by simple pull, and lock a pull mode or a mode of locking a cabinet door opened at two sides, although the children are not easy to open, the cabinet is easy to pull down, so that more serious safety accidents can be caused, and the cabinet body comprises a cabinet body; the cabinet body is internally provided with inclined drawers which are sequentially arranged from top to bottom and are arranged backwards and downwards in a sliding manner, and the front ends of the drawers are mutually flush and butted. According to the invention, three hanging columns with uniform intervals are vertically and fixedly arranged at the edge of the upper end close to the back of the middle part of the side wall of the right end of the cabinet body, the top supporting plate with the front end not completely sealing the cabinet body is fixedly arranged on the plane of the top of the cabinet body, and the edge of the front end of the top supporting plate is of a concave arc groove-shaped structure, so that an inclined open accommodating space can be formed between the top supporting plate and the top sealing plate, and accommodated articles are prevented from falling.

Description

Cabinet body structure based on early education prevents that children open by mistake

Technical Field

The invention relates to the technical field of cabinet doors, in particular to a cabinet body structure for preventing children from opening by mistake based on early education.

Background

The cupboard is placed in a kitchen and is used for placing kitchen utensils for multiple purposes, because of the corresponding fixing mechanism of the existing cupboard underwear, a cupboard door of the cupboard is easy to open, for the cupboard located at a high position, a child can touch the cupboard door randomly after opening the cupboard door, and if the bowl is accidentally knocked down, the damage to the bowl is caused, and the damage to the bowl is also easy to cause injury to the child.

The cabinet door capable of preventing children from opening is mostly as in patent application CN201920587408.1, and comprises a cabinet body, wherein an opening is formed in the side face of the cabinet body, a cabinet door is placed in the open-ended interior in a matching manner, the cabinet door is connected with the cabinet body through a plurality of hinged joints, a second mounting block is mounted at the top of the cabinet body, a through hole communicated with the cabinet body is formed between the second mounting block and the cabinet body, an inserting rod is inserted into the through hole, one end of the inserting rod extends to the interior of the cabinet body, a baffle is mounted at the other end of the inserting rod, a first spring is sleeved on the inserting rod, two ends of the first spring are respectively connected with the baffle and the second mounting block, and a first mounting block corresponding to the inserting rod is mounted on the side face of the cabinet door. The utility model discloses simple structure not only prevents children from opening the cabinet door, still improves the cabinet door and is located the inside stability of opening.

The mode that present cabinet body adopted pull or both sides to open more, children can stimulate through simple pull, and carry out the mode of locking to pull or the both sides chamber door that opens, though children are difficult for opening, easily fall the cupboard to probably brew more serious incident.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a cabinet structure for preventing children from opening by mistake based on early education is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a cabinet body structure for preventing children from opening by mistake based on early education, which aims to solve the problem that the existing cabinet body mostly adopts a drawing mode or a mode of opening two sides, children can draw the cabinet body through simple drawing, and lock a drawing mode or a mode of locking a cabinet door opened on two sides, although the cabinet body is not easy to open, the cabinet body is easy to pull down, and therefore more serious safety accidents can be caused.

The invention is based on the purpose and the efficacy of the cabinet body structure for preventing children from opening by mistake in early education, and is achieved by the following specific technical means:

a cabinet structure for preventing children from opening by mistake based on early education comprises a cabinet body; inclined drawers are sequentially arranged in the cabinet body in a sliding manner from top to bottom and backwards and downwards, and the front ends of the drawers are in flush butt joint with each other; the bottom of the drawer at the lowest part of the lower end of the cabinet body is fixedly provided with an anti-toppling mechanism, and the bottom of the front end of the anti-toppling mechanism is flush with the lower end of the cabinet body; a U-shaped self-locking mechanism is vertically inserted at the position of the front end edge of the right side wall of the cabinet body corresponding to the corresponding drawer, and the inner end of the self-locking mechanism is inserted in the right side wall of the drawer; and a transverse ejecting mechanism is fixedly arranged at the bottom of the rear end of the drawer.

Further, the cabinet body comprises hanging columns, side grooves, built-in plates, top supporting plates, top sealing plates, self-locking holes, rail grooves and correction grooves, three hanging columns with even intervals are vertically and fixedly installed at the edge of the upper end close to the back in the middle of the side wall of the right end of the cabinet body, rectangular side grooves are longitudinally formed at the edge of the lower end of the left side wall and the right side wall of the cabinet body, hooked built-in plates are fixedly installed at the positions in front of the three self-locking mechanisms on the side wall of the right end of the cabinet body, the top supporting plates with the front ends not completely closing the cabinet body are fixedly installed on the plane of the top of the cabinet body, the edge of the front end of each top supporting plate is of a concave arc groove structure, the position corresponding to the self-locking mechanisms on the side wall of the right end of the cabinet body is respectively provided with the self-locking holes with the outer ends with enlarged diameters, and the inclined rail grooves with the front ends higher than, and three mutually parallel semi-cylindrical correction grooves are arranged at the positions corresponding to the corresponding pop-up mechanisms on the inner side wall of the cabinet body.

Further, the drawer includes slide rail, spacing groove and pops out the inside groove, the drawer box part of drawer is the low slope structure of the high rear end of front end, and the middle part of drawer left end lateral wall and right-hand member lateral wall has the slide rail along incline direction fixed mounting, offers the spacing groove that suits with pop-up mechanism inner on the lateral wall of the drawer of slide rail front end top and below, the position department of drawer rear end lateral wall bottom edge department offers the inside groove that pops out that interior cell wall and pop-up mechanism are parallel to each other.

Further, the anti-toppling mechanism comprises a supporting plate and an anti-skid plate, the main body of the anti-toppling mechanism is consistent with the inclination direction of the drawer box part of the drawer, the edge of the front end of the plane of the bottom of the anti-toppling mechanism is vertically and downwards fixedly provided with the supporting plate, the lower end of the supporting plate is parallel and level with the bottom of the cabinet body, and the edge of the lower end of the supporting plate is fixedly provided with the anti-skid plate in a horizontal shape.

Furthermore, the self-locking mechanism comprises a self-locking rod, a self-locking spring and a baffle disc, the upper end and the lower end of the self-locking mechanism are respectively and vertically installed in two adjacent self-locking holes, the self-locking rods at the upper end and the lower end of the self-locking mechanism are slidably inserted into the self-locking holes, the baffle disc is fixedly installed on the self-locking rod, the self-locking spring is sleeved on the part outside the baffle disc, and when the baffle disc is in contact with the hole wall with the diameter changed in the self-locking holes, the inner end of the self-locking rod is inserted into a limiting groove of.

Further, pop-up mechanism is including popping out the board, correcting the otic placode and popping out the spring, pop-up spring fixedly connected with ejection board that is parallel to each other through controlling two mutual symmetries on pop-up mechanism's the front end inclined plane, the left end edge department and the right-hand member edge department of its ejection board respectively with three correction groove corresponding position department fixed mounting have tangent semicircle correction otic placode.

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

because the vertical fixed mounting in the upper end edge department that leans on the back in the middle part of the cabinet body right-hand member lateral wall has three even string of post of interval, the clothing is hung to the accessible string of post, and can match built-in with built-in board through the clothing that hangs, avoid children to open the cabinet body by mistake, the lower extreme edge department of the cabinet body left side wall and right side wall vertically offers the side channel of rectangle form, the position department fixed mounting in the place ahead of three self-locking mechanism on the cabinet body right-hand member lateral wall has hooked built-in board, can be built-in with self-locking mechanism, fixed mounting has the top backup pad that the front end is not totally with the cabinet body confined on the cabinet body top plane, the front end edge of its top backup pad is the concave arc groove column structure in the back, can make and form the open storage space of slope between top backup.

Because the rail groove of the low slope form of front end height rear end is seted up with the corresponding position department of drawer on two inside walls about cabinet body inner chamber, accessible rail groove makes drawer slidable mounting, and set up three semicylindrical correction grooves that are parallel to each other with the corresponding pop-up mechanism on the cabinet body inside wall, the removal orbit of pop-up plate is corrected in the guide of accessible correction groove, when keeping off the dish and contacting with the downthehole pore wall of reducing of auto-lock, peg graft in the spacing groove of drawer in the inner of auto-lock pole, can make the auto-lock pole on the auto-lock mechanism remove in the auto-lock hole, so that realize the auto-lock to the drawer, when needs the unblock, outside auto-lock mechanism can, make children hardly open the drawer through conventional pull action.

Because the inclination direction of the main part of the anti-toppling mechanism is consistent with that of the drawer box part of the drawer, the edge of the front end of the bottom plane of the anti-toppling mechanism is vertically and downwards fixedly provided with a supporting plate, the lower end of the supporting plate is parallel and level with the bottom of the cabinet body, and the edge of the lower end of the supporting plate is fixedly provided with a horizontal anti-skid plate, so that the supporting plate and the anti-skid plate form a front support state, and the cabinet body is prevented from toppling.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a front right upper axial view of the present invention.

Fig. 2 is a schematic diagram of the right front lower axial view structure of the invention.

Fig. 3 is a rear view structural diagram of the present invention.

Fig. 4 is a right-view structural diagram of the present invention.

Fig. 5 is an axial view of the present invention.

Fig. 6 is an axial view structural diagram of the cabinet body part back plate removal state of the invention.

Fig. 7 is a schematic axial view of the cabinet and the self-locking mechanism of the present invention in a separated state.

Fig. 8 is an axial view of the cabinet of the present invention with the drawer removed.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a cabinet body; 101. hanging a column; 102. a side groove; 103. a built-in plate; 104. a top support plate; 105. a top sealing plate; 106. self-locking holes; 107. a rail groove; 108. a correction slot; 2. a drawer; 201. a slide rail; 202. a limiting groove; 203. popping out of the inner groove; 3. an anti-toppling mechanism; 301. a support plate; 302. an anti-skid plate; 4. a self-locking mechanism; 401. a self-locking lever; 402. a self-locking spring; 403. a catch tray; 5. an ejection mechanism; 501. ejecting the plate; 502. correcting the ear plate; 503. and ejecting the spring.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a cabinet structure for preventing children from opening by mistake based on early education, which comprises a cabinet body 1; inclined drawers 2 are sequentially arranged in the cabinet body 1 in an up-down manner in a sliding manner towards the rear lower side, and the front ends of the drawers 2 are in flush butt joint with each other; the cabinet body 1 comprises hanging columns 101, side grooves 102, built-in plates 103, top supporting plates 104, top sealing plates 105, self-locking holes 106, rail grooves 107 and correction grooves 108, three hanging columns 101 with even intervals are vertically and fixedly installed at the upper end edge part close to the back in the middle of the side wall of the right end of the cabinet body 1, clothes can be hung through the hanging columns 101, and self-locking mechanisms 4 can be built in through matching of the hung clothes and the built-in plates 103 to avoid children from opening the cabinet body by mistake, rectangular side grooves 102 are longitudinally arranged at the lower end edges of the left side wall and the right side wall of the cabinet body 1, hooked built-in plates 103 are fixedly installed at the positions in front of the three self-locking mechanisms 4 on the side wall of the right end of the cabinet body 1, the self-locking mechanisms 4 can be built in, the top supporting plates 104 with the front ends not completely closing the cabinet body 1 are fixedly installed on the top plane of the cabinet body 1, the front end edges of the top supporting plates 104 are of arc groove-shaped structures which are concave backwards, the accommodated articles are prevented from falling off, the positions on the side wall of the right end of the cabinet body 1 corresponding to the self-locking mechanisms 4 are respectively provided with a reducing self-locking hole 106 with the outer end with the diameter enlarged, the positions on the left inner side wall and the right inner side wall of the inner cavity of the cabinet body 1 corresponding to the drawer 2 are provided with inclined rail grooves 107 with the front ends higher than the rear ends lower than the rear ends, the drawer 2 can be installed in a sliding mode through the rail grooves 107, the positions on the inner side wall of the cabinet body 1 corresponding to the corresponding ejection mechanisms 5 are provided with three semi-cylindrical correction grooves 108 which are parallel to each other, and the movement track of the ejection plate 501 can; the bottom of the drawer 2 positioned at the lowest part at the lower end of the cabinet body 1 is fixedly provided with an anti-toppling mechanism 3, and the bottom of the front end of the anti-toppling mechanism 3 is level with the lower end of the cabinet body 1; a U-shaped self-locking mechanism 4 is vertically inserted at the position corresponding to the corresponding drawer 2 at the front end edge of the right side wall of the cabinet body 1, and the inner end of the self-locking mechanism 4 is inserted in the right side wall of the drawer 2; a transverse ejection mechanism 5 is fixedly arranged at the bottom of the rear end of the drawer 2; the self-locking mechanism 4 comprises a self-locking rod 401, a self-locking spring 402 and a baffle disc 403, the upper end and the lower end of the self-locking mechanism 4 are respectively and vertically installed in an upper self-locking hole 106 and a lower self-locking hole 106, the self-locking rod 401 at the upper end and the lower end of the self-locking mechanism 4 is inserted in the self-locking hole 106 in a sliding mode, the baffle disc 403 is fixedly installed on the self-locking rod 401, the self-locking spring 402 is sleeved on the portion of the outer side of the baffle disc 403, when the baffle disc 403 is in contact with the hole wall with the diameter changed in the self-locking hole 106, the inner end of the self-locking rod 401 is inserted in the limiting groove 202 of the drawer 2, the self-locking rod 401 on the self-locking mechanism 4 can move in the self-.

Wherein, drawer 2 includes slide rail 201, spacing groove 202 and pops out inside groove 203, drawer 2's drawer box part is the low slope structure of the high rear end of front end, and the middle part of 2 left end lateral walls of drawer and right-hand member lateral walls has slide rail 201 along incline direction fixed mounting, set up the spacing groove 202 that suits with 5 inner of pop-up mechanism on the lateral wall of drawer 2 of slide rail 201 front end top and below, the position department of 2 rear end lateral wall bottom edges of drawer department sets up the inside groove 203 that pops out that interior cell wall and pop-up mechanism 5 are parallel to each other, can make popup plate 501 tangent with the cell wall of popping out inside groove 203, pop out the extrusion with drawer 2.

Wherein, anti-toppling mechanism 3 includes backup pad 301 and antiskid ribbed tile 302, and the inclination direction of the main part of anti-toppling mechanism 3 and the drawer box part of drawer 2 is unanimous, and the perpendicular downward fixed mounting in 3 planar front end edges departments in anti-toppling mechanism has backup pad 301, and the lower extreme of its backup pad 301 is parallel and level with the bottom of the cabinet body 1, and the lower extreme edge department fixed mounting of backup pad 301 has horizontal antiskid ribbed tile 302 for backup pad 301 and antiskid ribbed tile 302 form the state of fore-stock, prevent that the cabinet body from toppling over.

The pop-up mechanism 5 comprises a pop-up plate 501, a correction lug plate 502 and a pop-up spring 503, the pop-up plate 501 which is parallel to each other is fixedly connected to the inclined plane at the front end of the pop-up mechanism 5 through the left and right two mutually symmetrical pop-up springs 503, the tangential semicircular correction lug plates 502 are fixedly installed at the positions corresponding to the three corresponding correction grooves 108 at the edge of the left end and the edge of the right end of the pop-up plate 501 respectively, and can be matched with the self-locking mechanism 4, when the drawer 2 is extruded towards the rear lower side, the pop-up springs 503 are compressed, and the self-locking rod 401 in the self-locking mechanism 4 is inserted in the limit groove 202 of the drawer 2.

The specific use mode and function of the embodiment are as follows:

in the using process, because three hanging columns 101 with even intervals are vertically and fixedly arranged at the edge of the upper end close to the back in the middle of the side wall of the right end of the cabinet body 1, clothes can be hung through the hanging columns 101, and the self-locking mechanism 4 can be concealed by matching the hung clothes with the concealed plate 103, so as to avoid the children from opening the cabinet body by mistake, rectangular side grooves 102 are longitudinally arranged at the edge of the lower end of the left side wall and the right side wall of the cabinet body 1, a hooked concealed plate 103 is fixedly arranged at the position in front of the three self-locking mechanisms 4 on the side wall of the right end of the cabinet body 1, so as to conceal the self-locking mechanism 4, a top supporting plate 104 with the front end not completely sealing the cabinet body 1 is fixedly arranged on the top plane of the cabinet body 1, the edge of the front end of the top supporting plate 104 is of a rear concave arc groove structure, so that an inclined open type accommodating space can, the side wall of the right end of the cabinet body 1 corresponding to the self-locking mechanism 4 is respectively provided with a diameter-variable self-locking hole 106 with the outer end with the diameter enlarged, the left and right inner side walls of the inner cavity of the cabinet body 1 corresponding to the drawer 2 are provided with inclined rail grooves 107 with the front end higher than the rear end lower, the drawer 2 can be installed in a sliding manner through the rail grooves 107, the inner side wall of the cabinet body 1 corresponding to the corresponding ejection mechanism 5 is provided with three mutually parallel semi-cylindrical correction grooves 108, and the movement track of the ejection plate 501 can be corrected through the correction grooves 108;

the upper end and the lower end of the self-locking mechanism 4 are respectively vertically arranged in the upper self-locking hole 106 and the lower self-locking hole 106 which are adjacent to each other, the self-locking rod 401 at the upper end and the lower end of the self-locking mechanism 4 is inserted in the self-locking hole 106 in a sliding mode, the self-locking disc 403 is fixedly arranged on the self-locking rod 401, the self-locking spring 402 is sleeved on the portion outside the self-locking disc 403, when the self-locking disc 403 is in contact with the hole wall with the inner diameter changed in the self-locking hole 106, the inner end of the self-locking rod 401 is inserted in the limiting groove 202 of the drawer 2, the self-locking rod 401 on the self-locking mechanism 4 can move in the self-locking hole 106.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a prevent cabinet body structure that children opened by mistake based on early education, its characterized in that: comprises a cabinet body (1); inclined drawers (2) are sequentially arranged in the cabinet body (1) in a sliding manner from top to bottom to back and from bottom, and the front ends of the drawers (2) are in flush butt joint with each other; the cabinet body (1) comprises hanging columns (101), side grooves (102) and self-locking holes (106), three hanging columns (101) with uniform intervals are vertically and fixedly installed at the edge of the upper end, close to the back, of the middle of the side wall of the right end of the cabinet body (1), the rectangular side grooves (102) are longitudinally formed at the edge of the lower end of the left side wall and the edge of the lower end of the right side wall of the cabinet body (1), and the position, corresponding to the self-locking mechanism (4), of the side wall of the right end of the cabinet body (1) is respectively provided with a reducing self-locking hole (106) with the; the bottom of the drawer (2) at the lowest part of the lower end of the cabinet body (1) is fixedly provided with an anti-toppling mechanism (3), and the bottom of the front end of the anti-toppling mechanism (3) is flush with the lower end of the cabinet body (1); a U-shaped self-locking mechanism (4) is vertically inserted at the position corresponding to the corresponding drawer (2) at the front end edge of the right side wall of the cabinet body (1), and the inner end of the self-locking mechanism (4) is inserted in the right side wall of the drawer (2); and a transverse ejecting mechanism (5) is fixedly arranged at the bottom of the rear end of the drawer (2).

2. The early education based child resistant cabinet structure according to claim 1, wherein: the cabinet body (1) further comprises an inner hidden plate (103), and the hook-shaped inner hidden plate (103) is fixedly installed at the position, located in front of the three self-locking mechanisms (4), on the side wall of the right end of the cabinet body (1).

3. The early education based child resistant cabinet structure according to claim 1, wherein: the cabinet body (1) further comprises a top supporting plate (104), the top supporting plate (104) with the front end not completely sealing the cabinet body (1) is fixedly installed on the top plane of the cabinet body (1), and the edge of the front end of the top supporting plate (104) is of a rear concave arc groove-shaped structure.

4. The early education based child resistant cabinet structure according to claim 1, wherein: the cabinet body (1) further comprises a rail groove (107) and a correction groove (108), the rail groove (107) with the shape of the slope with the high front end and the low rear end is arranged at the position corresponding to the drawer (2) on the left inner side wall and the right inner side wall of the inner cavity of the cabinet body (1), and three semi-cylindrical correction grooves (108) which are parallel to each other are arranged at the position corresponding to the corresponding ejection mechanism (5) on the inner side wall of the cabinet body (1).

5. The early education based child resistant cabinet structure according to claim 1, wherein: drawer (2) include slide rail (201), spacing groove (202) and pop out inside groove (203), the drawer box part of drawer (2) is the slope structure that the high rear end of front end is low, and the middle part of drawer (2) left end lateral wall and right-hand member lateral wall has slide rail (201) along incline direction fixed mounting, offers spacing groove (202) that suit with pop-up mechanism (5) inner on the lateral wall of drawer (2) of slide rail (201) front end top and below, position department of drawer (2) rear end lateral wall bottom edge department offers inside groove (203) that pop-up mechanism (5) are parallel to each other.

6. The early education based child resistant cabinet structure according to claim 1, wherein: anti-toppling mechanism (3) are including backup pad (301) and antiskid ribbed tile (302), the main part of anti-toppling mechanism (3) is unanimous with the inclination direction of the drawer box part of drawer (2), and the perpendicular downward fixed mounting in front end edge department of anti-toppling mechanism (3) bottom plane has backup pad (301), and the lower extreme of its backup pad (301) is the same level with the bottom of the cabinet body (1), and the lower extreme edge department fixed mounting of backup pad (301) has horizontal antiskid ribbed tile (302).

7. The early education based child resistant cabinet structure according to claim 1, wherein: the self-locking mechanism (4) comprises a self-locking rod (401), a self-locking spring (402) and a blocking disc (403), the upper end and the lower end of the self-locking mechanism (4) are vertically installed in two adjacent self-locking holes (106) from top to bottom respectively, the self-locking rod (401) at the upper end and the lower end of the self-locking mechanism (4) is inserted into the self-locking holes (106) in a sliding mode, the blocking disc (403) is fixedly installed on the self-locking rod (401), the self-locking spring (402) is sleeved on the part of the outer side of the blocking disc (403), and when the blocking disc (403) is in contact with the hole wall with the inner diameter of the self-locking hole (106), the inner end of the self-locking rod (401) is inserted into.

8. The early education based child resistant cabinet structure according to claim 1, wherein: popup mechanism (5) are including popping out board (501), correcting otic placode (502) and popping out spring (503), popup board (501) that are parallel to each other is connected with through controlling two mutual symmetrical popup spring (503) fixedly on the front end inclined plane of popup mechanism (5), and the left end edge department and the right-hand member edge department of its popup board (501) respectively with three corresponding correction grooves (108) corresponding position department fixed mounting have tangent semicircle correcting otic placode (502).