CN105466139B - Closed enclosure - Google Patents

Abstract

A closed box assembly for use in a refrigerator. The airtight box assembly includes an airtight box and a partition above the top of the airtight box, and the partition is fixed on the inner container of the refrigerator. The airtight box is provided with a box body, a cover covering the box body to seal the box body, and an unlocking and locking device for opening the airtight box. The unlocking and locking mechanism is provided with a push handle exposed above the cover. The partition is provided with a blocking piece protruding downward from the bottom surface of the partition and partly located at the rear side of the push handle, and the blocking piece can be stretched up and down. When the airtight box is pushed into the inner container of the refrigerator, the push handle part pushes up against the stopper, and the stopper shrinks upward to give way to the push handle part. When the push handle part passes over the After the blocking piece, the blocking piece extends downwards to reset, and the blocking piece is partially located on the front side of the push handle. Such arrangement makes it easy to open the airtight box of the airtight box assembly.

Description

airtight box

technical field

The invention relates to the field of airtight boxes, in particular to an airtight box assembly with an opening and locking mechanism.

Background technique

There are two problems in the actual application of the airtight box on the market at present. Bring inconvenience and noise to the user. The first problem cannot be done with one action during the unlocking process. At present, the airtight box on the market is opened and locked. During the opening process, the first action is to release the locking device by flipping or pressing the button down, and the second action is to pull, push or lift up to fully open the object. The reverse is also the same for locking, first pull, push or down to close the drawer or cover, and then lock the device by flipping or down button; the second problem is the noise, due to the use of flip or down button to release during the locking process The locking action will generate noise between the airtight box itself and the device that fixes the airtight box. Both of these bring a bad experience to users. At the same time, the overturning mechanism needs to make way for the overturning space, which will lose the effective volume of the drawer. When this type of airtight box is used in a refrigerator, it is also necessary for the user to manually push the lid or button to open the airtight box, so the door of the refrigerator will be opened for a long time, which is easy to breed bacteria and increase the temperature of the refrigerator. energy loss.

Therefore, it is necessary to design an improved airtight box assembly to solve the above problems. .

Contents of the invention

The purpose of the present invention is to provide a closed box assembly with simple structure and convenient operation.

In order to achieve the above object, the present invention adopts the following technical solution: a closed box assembly used in a refrigerator, the closed box assembly includes a closed box and a partition above the top of the closed box, and the partition is fixed on On the liner of the refrigerator, the airtight box is provided with a box body, a cover covering the box body to seal the box body, and an opening and locking mechanism for opening the airtight box. The opening and locking mechanism There is a push handle part exposed above the cover, and the partition is provided with a blocking piece that protrudes downward from the bottom surface of the partition board and is partially located at the rear side of the push handle part. The blocking piece can be stretched up and down. When the airtight box is pushed into the refrigerator liner, the push handle pushes up against the blocking member, and the blocking member shrinks upward to give way to the push handle portion. When the push handle passes over the barrier After the piece is removed, the blocking piece extends downwards and resets, and the blocking piece is partially located on the front side of the push handle.

As a further improved technical solution of the present invention, the blocking member is provided with a first blocking surface on the front side and a second blocking surface on the rear side, and the first blocking surface is a sloped surface.

As a further improved technical solution of the present invention, the second blocking surface is a vertical surface extending from top to bottom.

As a further improved technical solution of the present invention, the partition is provided with openings penetrating up and down and a mounting hole above the top surface of the partition, and the blocking member is provided with a mounting column installed in the mounting hole, The blocking member can rotate up and down in the opening around the mounting column to achieve telescoping.

As a further improved technical solution of the present invention, the blocking member is provided with two installation walls extending vertically on both sides, and the top of the installation wall near the partition is provided with an outwardly protruding boss. The boss is located above the opening and supported upward by the top surface of the partition.

As a further improved technical solution of the present invention, the blocking member is provided with a first inclined wall and a rear wall connecting the two installation walls left and right, the first blocking surface is the outer surface of the first inclined wall, and the second The second blocking surface is the outer surface of the rear wall.

As a further improved technical solution of the present invention, the installation column includes two installation columns symmetrically arranged on the installation wall, and the blocking member is also provided with a spring sleeved on the two installation columns , the two ends of the spring respectively have a first elastic arm and a second elastic arm protruding downward and upward respectively.

As a further improved technical solution of the present invention, the partition is provided with a second slanted wall extending from front to rear and bottom to top above the opening. When the blocking member is pushed upwards against the first slanted wall When located in the opening, the first elastic arm pushes against the first inclined wall, and the second elastic arm pushes against the second inclined wall.

As a further improved technical solution of the present invention, when the push handle portion pushes up against the first blocking surface, the push handle portion is located on the front side of the first blocking surface; when the push handle portion passes over the blocking member, the push handle portion The second blocking surface is located at the front side of the push handle part.

As a further improved technical solution of the present invention, the unlocking and locking mechanism is provided with a pusher that is slidably fixed on the box body and a connecting rod that is rotatably fixed on the pusher and installed in the cover. The push handle part is arranged on the top of the pusher, and the connecting rod is lifted upwards and pushed backward by the cover under the action of the pusher to open the airtight box.

Compared with the prior art, the airtight box assembly of the present invention is provided with a partition on the inner tank of the refrigerator, and a vertically retractable blocking member is provided at the place where the partition corresponds to the push handle, when the push handle pushes against the stop When using the telescoping function of the blocking piece, the push handle is pushed over the blocking piece and pushed back by the blocking piece, so that when the airtight box is pulled out of the inner liner of the refrigerator, the blocking piece is used to block the push handle so that the airtight box The box body is withdrawn outward relative to the cover body to achieve the purpose of opening the airtight box. In this way, the airtight box can be automatically opened in conjunction with the partition without additional assistance from the user, thereby facilitating the use of the user.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a refrigerator drawer of the present invention.

Fig. 2 is a schematic perspective view of a closed box according to the first embodiment of the present invention.

Fig. 3 is a partially exploded schematic view of the airtight box according to the first embodiment of the present invention.

Fig. 4 is a further partially exploded schematic diagram of the airtight box according to the first embodiment of the present invention.

Fig. 5 is a schematic diagram of a further partial disassembly of the airtight box according to the first embodiment of the present invention.

Fig. 6 is a three-dimensional exploded schematic view of the airtight box according to the first embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of the airtight box according to the first embodiment of the present invention along the line A-A in Fig. 2 .

Fig. 8 is a schematic cross-sectional view of raising the front end of the cover in Fig. 7 of the airtight box according to the first embodiment of the present invention.

Fig. 9 is a schematic perspective view of the lid of the airtight box sliding to the rear end of the box according to the first embodiment of the present invention.

Fig. 10 is a three-dimensional exploded view of the closed box according to the second embodiment of the present invention.

Fig. 11 is a schematic perspective view of the first embodiment of the airtight box assembly of the present invention based on the airtight box of the first embodiment, and a partition is added between the lid of the airtight box and the refrigerator liner.

Fig. 12 is a partially exploded perspective view of the first embodiment of the airtight box assembly of the present invention.

Fig. 13 is a three-dimensional exploded schematic view of the partition and the blocking member of the first embodiment of the airtight box assembly of the present invention.

Fig. 14 is a schematic perspective view of the second embodiment of the airtight box assembly of the present invention.

Fig. 15 is a partially exploded schematic view of the second embodiment of the airtight box assembly of the present invention.

Fig. 16 is a schematic cross-sectional view of the airtight box assembly of the present invention along line B-B in Fig. 14 .

FIG. 17 is a partially enlarged view in the dotted circle in FIG. 16 .

Fig. 18 is a schematic perspective view of the third embodiment of the airtight box assembly of the present invention.

Fig. 19 is a three-dimensional exploded schematic view of part of the partition plate and the blocking member in the third embodiment of the airtight box assembly of the present invention.

Fig. 20 is a schematic cross-sectional view of the airtight box assembly of the present invention along line C-C in Fig. 18 .

Fig. 21 is a partially exploded schematic diagram of another angle of the third embodiment of the airtight box assembly of the present invention.

Detailed ways

Referring to Fig. 1 and Fig. 2, the present invention discloses a refrigerator drawer 900. The refrigerator drawer 900 is provided with a door panel 91, a box body 1, and a fixing device for fixing the door panel 91 and the box body 1 together. Shaft (unlabeled) and slide rails 92 installed on both sides of the bottom of the box body 1. The sliding rails 92 are used to allow the box body 1 to slide forward or backward relative to the inner container of the refrigerator (not shown).

The refrigerator drawer 900 is also provided with a cover 2 covering the top of the box body 1 to cover the box body 1 into a closed box 100 and a sealing ring 4 between the box body 1 and the cover body 2 . In the present invention, the closed box 100 will be described emphatically.

Please refer to Fig. 2 to Fig. 9, in the first embodiment of the airtight box 100 of the present invention, the airtight box 100 includes a storage cavity 10 with an opening upward, located at the rear side of the door panel 91 of the refrigerator drawer 900 and the The front wall 11 on the front side of the storage cavity 10, the two side walls 12 extending backward from both ends of the front wall 11 and located on both sides of the storage cavity 10, the rear wall 13 located on the rear side of the storage cavity 10, and the rear wall 13 on the rear side of the storage cavity 10. The bottom wall 14 at the bottom of the receiving chamber 10 . The box body 1 is also provided with two receiving parts 111 protruding forward on the front side of the top of the front wall 11 , and the receiving parts 111 are receiving chambers with openings facing backward. The two sidewalls 12 are respectively provided with a slide groove 121 extending along the front-back direction of the refrigerator drawer 900 on the top side. The two sliding grooves 121 provided on the two side walls 12 are corresponding and symmetrical.

Referring to FIGS. 2 to 6 , the cover body 2 includes a box cover 21 installed above the box body 1 and a top cover 22 fixed at the front end of the box cover 21 . The box cover 21 is provided with a flat first main body 23 covering above the receiving chamber 10, two first side plates 24 formed by bending outwards and downwards from both sides of the first main body 23, and two first side plates 24 formed from the first main body 23. The front end of the main body 23 extends horizontally forward to form a fixing plate 25 . The two first side panels 24 are located outside the two side walls 12 of the box body 1 to cover the sliding groove 121 . The fixing plate 25 is provided with a top surface 251, two mutually parallel guide grooves 252 recessed from the top surface 251 and located at the front end of the fixing plate 25, and each of the guide grooves 252 is respectively provided with Several fixed posts 253 on both sides. The top surface 251 of the fixing plate 25 is lower than the top surface of the first body 23 . In this way, when the top cover 22 is fixed on the fixing plate 25 , a space with a certain height is formed in the vertical direction between the top cover 22 and the fixing plate 25 . On the inner sides opposite to each other of the two first side plates 24 , rear directional rollers 26 fixed on the first side plates 24 are arranged at the rear end of the main body 23 . When the cover body 2 is installed on the box body 1, the rear directional rollers 26 slide back and forth in the two slide grooves 121 of the box body 1, thereby driving the cover body 2 relative to the box body 1 Slide backwards or forwards.

A number of said fixing posts 253 on both sides of each said guide groove 252 are divided into two groups along the front and rear directions, the first group of said fixing posts 253 are arranged on the front part of said fixing plate 25, and said first group of fixed posts 253 The column 253 includes two first fixed columns 253 symmetrically arranged on both sides of the guide groove 252 along the left and right directions; the second set of fixed columns 253 is arranged at the rear of the fixed plate 25 close to the first main body 23, including two second fixing columns 253 symmetrically arranged on both sides of the guide groove 252 and one outside the guiding groove 252 and behind one of the second fixing columns 253 The third fixing column 253 .

The top cover 22 covers above the fixing plate 25 . The top cover 22 is provided with a flat second main body 221 , second side plates 222 bent outwards and downwards from both sides of the second main body 221 , and a rear end of the top cover 22 extending backwards. An extension wall 223 is formed. At the four corners of the second main body 221, corresponding to each of the fixing columns 253 of the first main body 23, there are through holes 224 that penetrate up and down, and in the middle part, there are relief holes that penetrate up and down. 225. The top cover 22 is inserted into the fixing column 253 through the through hole 222 by screws (not labeled), so that the top cover 22 and the box cover 21 are fixed together. As shown in FIG. 7 , there is a certain distance between the top cover 22 and the top surface of the fixing plate 25 . In this way, a relief space (not labeled) is formed between the fixing plate 25 and the top cover 22, and the relief space is between the second fixing column 253 and the third fixing column 253 along the front and rear The direction is further limited to form a local limit space 220 .

Referring to FIG. 3 to FIG. 5 , the airtight box 100 further includes an opening and locking mechanism 3 installed between the cover body 2 and the box body 1 . The opening and locking mechanism 3 is provided with a pusher 31 slidably fixed in the chute 121, a connecting rod 32 rotatably fixed on the pusher 31, and drives the pusher 31 and the connecting rod 32 from front to back. The sliding member 33 slides backward in the sliding groove 121 .

The pusher 31 is an integral push rod. The push rod 31 includes a main body 311 located above the fixing plate 25 of the cover body 2 and two hanging walls 312 bent downward from both ends of the main body 311 and extending outside the two side walls 12 of the box body 1 .

Please refer to FIG. 3, the front edge of the body 311 is provided with a number of notches 313 recessed backward corresponding to the first fixing column 253, and between the two notches 313, the body 311 is provided with a The protruding block 314 that protrudes into the receiving portion 111 is installed on the top end of the protruding block 314, and a first rotating shaft 315 that can roll back and forth along the guide groove 252 is installed, and the body 311 is on the rear side A second rotating shaft 316 that can roll forward and backward along the guide groove 252 is installed on the edge and the front and back of the protruding block 314 , and the lower half of the first rotating shaft 315 and the second rotating shaft 316 are accommodated in the guiding groove 252 . The rear side edge of the body 311 is provided with a push handle portion 317 protruding upward from the top surface of the body 311 between the two second rotating shafts 314, and the push handle portion 317 passes upward through the opening of the top cover 22. The bit hole 225 is exposed to the outside world.

The bottom of each hanging wall 312 is provided with an inverted L-shaped connecting guide rail groove 318 and a limiting groove 319 penetrating through the hanging wall 312 left and right. The rail groove 318 extends along the front-rear direction and penetrates the hanging wall 312 along the inner and outer directions, and the limiting groove 319 extends along the up-down direction and penetrates the hanging wall 312 along the inner and outer directions. The top of the limiting slot 319 communicates with the front end of the guide rail slot 318 .

As shown in FIG. 7 , the connecting rod 32 is provided with a support rod 321 accommodated in the limiting space 220 along the width direction of the box body 1 and two bending or vertically extending from the two ends of the support rod 321 . Ear bar 322. The ends of the two ear bars 322 are installed on the two hanging walls 312 respectively. The opening and locking mechanism 3 further includes a torsion spring 323 sleeved on the support rod 321 , and the torsion spring has two elastic arms 3231 that spring against the inner side of the extension wall 223 of the top cover 2 .

The sliding member 33 is provided with a first pulley (not labeled) installed in the limiting groove 319 and a second pulley (not labeled) installed in the rail groove 318 . The first pulley includes a front directional roller 331 , a fixed wheel 332 and a first shaft 333 passing through the centers of the front directional roller 331 and the fixed wheel 332 . A locking portion 334 is formed at a distance between the front directional roller 331 and the fixed wheel 332 . The first shaft 333 passes outward through the limiting slot 319 so that the front directional roller 331 can be clamped between the hanging wall 312 and the bottom wall of the slide groove 121 . The hanging wall 312 is located inside the second side panel 222 .

The second pulley is provided with a driven roller 335 and a shaft cavity (not labeled) passing through the driven roller 335 . The edge of the driven roller 335 is clamped in the clamping portion 334, and the end of the ear bar 322 of the connecting rod 32 passes through the rail groove 318 and is accommodated in the shaft cavity of the driven roller 335. At this time, the support rod 321 of the connecting rod 32 can rotate around the axis where the shaft cavity is located. The front directional roller 331 , the driven roller 335 and the fixed wheel 332 are sequentially arranged inside the hanging wall 312 from inside to outside. The driven roller 335 can rotate counterclockwise around the front directional roller 331 with the first shaft 333 as an axis.

Please refer to FIG. 9 , when the refrigerator drawer 900 of the present invention needs to be opened after the refrigerator drawer is pulled out of the refrigerator inner container, the user pushes the push handle part 317 exposed to the outside to force the first rotating shaft 315 And the second rotating shaft 316 rolls backward along the guide groove 252 of the cover body 2, and then drives the body part 311 and the hanging wall 312 to move forward along the extending direction of the guide rail groove 318 until the guide rail groove 318 and At the junction of the limit groove 319, at the same time, the support rod 321 of the connecting rod 32 slides upwards in the limit space 220 to the bottom surface of the second body 221 of the top cover 22, And the ear bar 322 has changed from the original backward tilted state to the vertical state. Moreover, the first rotating shaft 315 and the protruding block 314 have slid backward along the guide groove 253 and exited from the receiving portion 111 of the box body 1. When pushing the push handle portion 317 backward, The ear bar 322 can no longer move forward relative to the guide rail groove 318. At this time, the driven roller 335 performs a reverse rotation movement relative to the front 331 directional roller, and the end of the ear bar 322 enters the limit position. slot 319, the fixed wheel 332 provides an upward support force to the driven roller 335, thereby driving the ear bar 322 to prop up the support rod 321 upward, so that the torsion spring 323 of the support rod 321 is lifted upward The cover body 2 further separates the cover body 2 from the box body 1, and continues to push the push handle part 317 backward, so that the cover body 2 passes through the rear orientation roller 26 in the chute 121 Slide backwards to gradually separate from the box body 1, thereby exposing the accommodating cavity 10 to the air. To close the lock, the steps are reversed.

Please refer to Fig. 10, in the second embodiment of the airtight box 100' of the present invention, the structure of the airtight box 100' is roughly the same as that of the airtight box 100 in the first embodiment, the main difference is that the opening and locking mechanism ( not numbered). The other structures of the airtight box 100' will not be repeated here, and only the opening and locking mechanism will be described. The unlocking and locking mechanism is provided with a pusher 31' that is slidably fixed in the chute 121', a connecting rod 32' that is rotatably fixed on the pusher 31', and drives the pusher 31' and the pusher 31'. The connecting rod 32' is a sliding member 33' that slides in the slide groove 121' from front to back.

Please combine Figure 6 and Figure 10, the structure of the connecting rod 32' and the slider 33' of the second embodiment of the airtight box 100' in Figure 10 is the same as that of the first embodiment of the airtight box 100 in Figure 6, the difference is The opening and locking mechanism of the airtight box 100' of the second embodiment also includes an electric driving structure 5' provided on the top cover 22' and a switch button 6' electrically connected to the electric driving structure 5', so that The pusher 33' is not provided with a push handle, but a rack 317' fixed to the body 311' is provided on the rear side edge of the body 311' of the pusher 31', and the rack 317' is connected to the electric drive Structure 5' snap connection. The electric driving structure 5 may have built-in electric control program, or be electrically connected with the electric control program built in the airtight box 100'. When the airtight box 100' needs to be opened, the switch button 6' is pressed, and the electric drive structure 5' is energized to run, driving the rack 317' to move backward, thereby driving the pusher 33' to slide backward , according to the program preset by the electronic control, the end of the ear bar 322' of the connecting rod 32' completes the inverted L-shaped guide rail groove 318' and the limit groove 319', at this time, the cover 2 is supported upward by the support rod 321' of the connecting rod 32', the airtight box 100' is in a relaxed state, and then the airtight box 100' can be opened by gently pushing the cover 2'; otherwise, when it needs to be locked and closed box 100', when the protruding block 314' of the pusher 31' enters the receiving part 111', the switch button 6' is pressed, and the electric driving structure 5' reversely drives the rack 317' moves forward and completes the L-shaped distance according to the electronic control program, so that the support rod 321 rotates and puts down the cover body 2, so that the airtight box 100' is locked.

To sum up, on the basis of the first embodiment, the airtight box 100' of the second embodiment of the present invention replaces the manual driving of the pusher 31 to slide forward by the electric drive mechanism 5' to drive the pusher electrically. 31' slides forward, so that the airtight box 100' realizes automatic opening and closing of the panels on the basis of the airtight box 100 of the first embodiment, which is more convenient to use.

Please refer to Fig. 11 to Fig. 21, combined with Fig. 1, the refrigerator drawer 900 of the present invention can also be provided with a The partitions 7, 7' and 8 fixed on the inner liner of the refrigerator, the partitions 7, 7' and 8 are combined with the closed box 100 to form the closed box assembly 200 of the first embodiment and the closed box assembly of the second embodiment. The closed box assembly 200' and the closed box assembly 300 of the third embodiment.

Please refer to FIG. 11 to FIG. 13 , which show the airtight box assembly 200 of the first embodiment, the partition 7 is a flat board, and is arranged in parallel above the lid body 2 of the airtight box 100 . The partition 7 is provided with an opening 71 penetrating up and down near the push handle portion 317, two walls 72 vertically extending upward from both sides of the opening 71, and two walls 72 penetrating through the two walls 72 respectively. A mounting hole 73 and a second slanted wall 74 extending upwards and backwards from the partition 7 and connecting the two walls 72 left and right, the mounting hole 73 is located above the partition 7 . A gap 70 is formed between the second inclined wall 74 and the two wall bodies 72 .

The partition 7 also includes a blocking member 75, the blocking member 75 is provided with two installation walls 751 extending vertically on both sides, a first wall located at the front side of the installation wall 751 and connecting the installation wall 751 left and right. The inclined wall 752 , the rear wall 753 located at the rear side of the two installation walls 751 and connecting the two installation walls 751 , and the installation column 754 vertically protruding outward from the outside of each installation wall 751 . The installation column 754 is installed in the installation hole 73, and the blocking member 75 can rotate up and down in the opening 71 around the axis of the installation column 754 and is accommodated in the second inclined wall 74 and the two wall bodies. 72 between said give way to 70 within. The top of the installation wall 751 is also provided with an outwardly protruding boss 7511, the boss 7511 is located above the opening 71, and is supported upward by the top surface of the partition 7, thereby positioning the blocking member 75 In the opening 71 , the blocking member 75 will not be detached from the partition 7 downward. The outer surface of the first inclined wall 752 is a first blocking surface, and the first blocking surface extends from front to back and from bottom to top. The outer surface of the rear wall 753 is a second blocking surface, and the second blocking surface extends vertically. The mounting column 754 is also sleeved with a spring 755, and the two ends of the spring respectively have a first elastic arm 7551 and a second elastic arm 7552 protruding downward and upward. In this embodiment, the spring 755 serves as Torsion spring works.

When the refrigerator drawer 900 is in the closed state, the blocking member 75 of the partition 7 is located behind the push handle portion 317, and the first blocking surface of the first inclined wall 751 faces the push handle portion 317, and is slightly pushed backward. In the refrigerator drawer 900, the push handle portion 317 abuts against the first blocking surface, the blocking piece 75 is pushed upward, and the blocking piece 75 rotates around the mounting post 754 until the blocking piece 75 shrinks upwards into the relief 70 above the opening 71, at this time the first elastic arm 7551 pushes against the first inclined wall 751, and the second elastic arm 7552 pushes against the second inclined wall 74 ; when the push handle part 317 passes over the stopper 75, the stopper 75 resets downward to the convex position under its own gravity and the push of the first and second elastic arms 7551 and 7552 of the spring 755 The table 7511 is supported by the top surface of the partition 7, and the second blocking surface is located at the front side of the push handle part 317. When the consumer needs to open the airtight box 100, he only needs to pull out the refrigerator drawer 900, the blocking member 75 pushes against the push handle portion 317 so that the cover body 2 and the partition plate 7 remain relatively stationary, and the box body 1 of the refrigerator drawer 900 is pulled out, thereby opening the The refrigerator drawer 900 is described. If the cover body 2 needs to be cleaned later, it is only necessary to push the blocking member 75 upwards so that the blocking member 75 retracts upwards into the relief 70 , and then pull out the cover body 2 .

In summary, the refrigerator drawer 900 is provided with a partition 7 between the airtight box 100 and the refrigerator liner to form the airtight box assembly 200, and the partition 7 is set at the place corresponding to the push handle part 317 A retractable blocking piece 75, when the push handle portion 317 pushes against the first blocking surface 752 of the blocking piece 75, the blocking piece 75 retracts upwards, so that the pushing handle portion 317 passes over the blocking piece 75, and then the blocking The member 75 resets downward under the action of its own gravity and spring, so that the second blocking surface 753 of the blocking member 75 is located at the front side of the push handle part 317, and pushes the push handle part 317 in the opposite direction, so that the airtight When the box 100 is pulled out of the inner liner of the refrigerator, the box body 1 is pulled out, and the cover body 2 is pushed against the partition plate 7 by the blocking member 75, so as to realize the utilization of the refrigerator drawer 900 itself. The mechanism automatically opens the closed box 100 for the purpose.

Please refer to the second embodiment of the closed box assembly 200' shown in Figures 14 to 17, the difference between the closed box assembly 200' in this embodiment and the closed box assembly 200 shown in Figures 11 to The structure of the plate 7' is therefore only described here for the partition 7'. The partition 7' is a flat board, which is arranged in parallel above the cover 2 of the airtight box 100. The partition 7' is provided with an opening 71' penetrating up and down near the push handle part 317, two mounting holes (not labeled) above the opening 71' and a blocking member rotatably installed in the opening 71'. pieces 75'. The blocking member 75' is provided with a first blocking surface 752' extending from front to rear and from top to bottom, and the back surface 753' opposite to the first blocking surface 752' is located on both sides of the blocking member 75'. Column 754'. The mounting post 754' is rotatably mounted in the mounting hole (not numbered). The handle portion 317 is located on the front side of the first blocking surface 752', and the partition 7' is also provided with an elastic stretchable piece 755 accommodated in the opening 71' and one end of which is fixed on the back surface 753'. 'and a sloping plate 74' located above the opening 71' and extending from front to back from top to bottom and connected to the partition 7'. The other end of the elastic expansion member 755' is fixed on the slant plate 74', and the side of the slant plate 74' facing the opening 71' is provided with a stud 76' protruding toward the opening 71'. One end of the elastic expansion member 755' fixed on the inclined plate 74' is sleeved on the stud 76'. In this embodiment, the elastic stretchable part 755' is a top spring, which operates by the compression and rebound of the spring itself. When the push handle part 317 pushes back and upwards against the stopper 75', the stopper 75' pushes upward against the elastic telescopic part 755' and enters into the opening 71', when the push handle part 317 After passing over the free end of the blocking piece 75 ′, the blocking piece 75 ′ elastically resets downward, and at this time, the push handle portion 317 is located at the rear side of the back surface 753 ′.

To sum up, the refrigerator drawer 900 adds a partition 7' between the airtight box 100 and the refrigerator liner to form a closed box assembly 200', and the partition 7' corresponds to the push handle part 317 A vertically retractable stopper 75' is set at the place where the push handle 317' pushes against the stopper 75', using the elastic telescopic function of the stopper 75', the pusher part 317 is moved beyond the stopper 75' The back side 753' of the stopper 75' pushes against it in the opposite direction, so that when the airtight box 100 is pulled out of the refrigerator liner, the stopper 75' is used to block the push handle part 317 so that the box body 1 of the airtight box 100 is opposite to the The cover body 2 withdraws outward to achieve the purpose of opening the airtight box 100 . In this way, the airtight box 100 can be automatically opened in cooperation with the partition 7'.

Please refer to FIG. 20 to FIG. 21 which shows the closed box assembly 300 of the third embodiment. The difference between the closed box assembly 300 in this embodiment and the closed box assemblies 200 and 200 ′ shown in FIGS. 11 to 19 is that The structure of the partition 8 is therefore only described here. The partition 8 is a flat board, which is arranged in parallel above the cover 2 of the airtight box 100 . The partition 8 is provided with an opening 81 that penetrates up and down near the push handle portion 317, a first cube (not labeled) extending vertically upwards from the periphery of the opening 81, and a first cube (not numbered) located in the first cube. The receiving chamber 80 and the blocking member 9 installed in the first receiving chamber 80 and exposed under the partition 8 .

The first storage chamber 80 communicates with the opening 81 . The first cube is provided with two first walls 82 extending vertically on both sides of the first receiving chamber 80 and two heart-shaped grooves 83 respectively recessed from the inner surfaces of the two first walls 82 . The two heart-shaped grooves 83 are mirror images. Each of the heart-shaped grooves 83 is provided with a first positioning portion 831 at the bottom, a first guide groove 832 extending backward from the first positioning portion 831 and then extending upward, and a first guiding groove 832 extending forward and upward from the first positioning portion 831. The two guiding grooves 833 and the second positioning portion 834 located at the junction of the first guiding groove 832 and the top of the second guiding groove 833 . The second positioning portion 834 is located at the top heart-shaped junction of the heart-shaped groove 83 .

The blocking member 9 is provided with a second cube (not numbered) corresponding to the first cube, a second receiving chamber 90 located in the second cube, and a spring 91 installed in the second receiving chamber 90 . The second cube is a reduced version of the first cube, so that the second cube can be accommodated in the first storage chamber 80 of the first cube. The second cube is provided with two second walls 92 corresponding to the two first walls 82 and a bottom wall 93 at the bottom of the second cube connecting the two second walls 92 left and right. Each of the second walls 92 is provided with a rotating shaft 921 protruding outwards and installed in the heart-shaped groove 83 . A side of the bottom wall 93 facing the second receiving chamber 90 is provided with a column 931 protruding upward for positioning the spring 91 .

In this embodiment, when the refrigerator drawer 900 is in a closed state inside the refrigerator liner, the blocking member 9 is located at the rear side of the handle portion 317 . The rotating shaft 921 of the second cube is accommodated in the first positioning portion 831 of the heart-shaped groove 83 , and the spring 91 is in a relaxed state along the vertical direction. If the user needs to open the refrigerator drawer and open the airtight box 100, first push the refrigerator drawer 900 slightly backward until the top of the push handle part 317 pushes against the second cube lower end of the blocking member 9. Under the action of thrust, the second cube moves upwards, and the rotating shaft 921 starts from the first positioning portion 831 and slides upwards by the first guide groove 832 of the heart-shaped groove 83 until the rotating shaft 921 slides into the In the second positioning part 834, the second cube is accommodated in the first storage chamber 80 of the first cube, and at this time, the pushing member 317 continues to move backward beyond the original position of the blocking member 9; Then the outside world continues to press the bottom wall 93 of the blocking member 9 upwards, and the rotating shaft 921 continues to slide forward from the second positioning part 834 along the second guide groove 833 until it falls back to the first positioning part. 831, at this time, the blocking member 9 is pushed downward from the opening 81 and beyond the partition 8 under the push of the spring 91 to achieve a reset, so that the push handle portion 317 is located behind the blocking member 8 side (please combine with that shown in Figure 20). In this way, the blocking member 9 forms a barrier to the push handle portion 317. When the user pulls out the closed box 100, the cover 2 is blocked by the blocking member 9 and does not move. 1 then slides out, so as to achieve the opening of the refrigerator drawer 900 and the airtight box 100.

The difference between the airtight box assembly 300 of this embodiment and the airtight box assemblies 200, 200' of the first and second embodiments is that the blocking member 9 in this embodiment needs to be pushed by an external force after being positioned in the second positioning part 834 Only then can the blocking member 9 be reset downwards. If the stopper 9 is not pressed by external force, the airtight box 100 is opened mechanically. After being pressed by external force, the airtight box 100 can be opened automatically.

In summary, in the refrigerator drawer 900, a partition 8 is added between the closed box 100 and the refrigerator liner to form a closed box assembly 300, and the partition 8 is installed at the place corresponding to the push handle part 317 A vertically retractable blocking piece 9, when the push handle portion 9 pushes against the blocking piece 75', the blocking piece 9 is operable to be retracted upward and reset downward, so that the push handle portion 317 is blocked beyond the blocking piece 9 The member 9 pushes against it in the opposite direction, so that when the airtight box 100 is pulled out of the inner liner of the refrigerator, the blocking member 9 is used to block the push handle portion 317 so that the box body 1 of the airtight box 100 is withdrawn outward relative to the cover body 2. The purpose of opening the airtight box 100 is achieved. In this way, the airtight box 100 can be automatically opened in cooperation with the partition 8 .

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention. The understanding of this specification should be based on those skilled in the art. Throughout, for example, directional descriptions such as "front", "rear", "left", "right", "upper" and "lower", although this specification has described the present invention in detail with reference to the above-mentioned embodiments However, those skilled in the art should understand that those skilled in the art can still modify the present invention or replace it equivalently, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the within the scope of the claims of the present invention.

Claims (10)

1. A closed box assembly used in a refrigerator, said closed box assembly comprising a closed box and a partition above the top of said closed box, said partition is fixed on the inner container of said refrigerator, said The airtight box is provided with a box body, a cover covering the box body to seal the box body, and an opening and locking mechanism for opening the airtight box. It is characterized in that: the opening and locking mechanism is provided with a The push handle above the cover, the partition is provided with a blocking piece that protrudes downward from the bottom of the partition and is partially located on the rear side of the push handle. The blocking piece can be stretched in the up and down direction. When entering into the inner liner of the refrigerator, the push handle portion pushes upwards against the blocking member, and the blocking member shrinks upward to give way to the push handle portion, and when the push handle portion passes over the blocking member, the blocking member The part protrudes downwards and resets, and the blocking part is partially located at the front side of the push handle part. 2. The airtight box assembly according to claim 1, wherein the blocking member is provided with a first blocking surface on the front side and a second blocking surface on the rear side, and the first blocking surface is a A sloped surface extending from top to bottom at the rear. 3. The airtight box assembly according to claim 2, wherein the second blocking surface is a vertical surface extending from top to bottom. 4. The airtight box assembly according to claim 2, characterized in that: the partition plate is provided with an opening that penetrates up and down and a mounting hole located above the top surface of the partition plate, and the blocking member is provided with a The mounting column in the mounting hole, the blocking member can rotate up and down in the opening around the mounting column to achieve telescoping. 5. The airtight box assembly according to claim 4, characterized in that: the blocking member is provided with two installation walls extending vertically on both sides, and the top of the installation wall near the partition is provided with a direction An outwardly protruding boss, the boss is located above the opening and supported upward by the top surface of the partition. 6. The airtight box assembly according to claim 5, wherein the blocking member is provided with a first inclined wall and a rear wall connecting the two installation walls left and right, and the first blocking surface is the second wall. The outer surface of a slanted wall, the second blocking surface is the outer surface of the rear wall. 7. The airtight box assembly according to claim 6, characterized in that: the mounting column includes two mounting columns symmetrically arranged on the installation wall, and the blocking member is also provided with two A spring on the mounting column, the two ends of the spring respectively have a first elastic arm and a second elastic arm protruding downward and upward respectively. 8. The airtight box assembly according to claim 7, characterized in that: the partition is provided with a second inclined wall extending from front to rear and bottom to top above the opening, when the blocking member is pushed upward When the first inclined wall is located in the opening, the first elastic arm pushes against the first inclined wall, and the second elastic arm pushes against the second inclined wall. 9. The airtight box assembly according to claim 2, wherein when the push handle portion pushes upward against the first blocking surface, the push handle portion is located on the side of the first blocking surface; when the push handle portion After passing over the blocking member, the second blocking surface is located at the front side of the push handle portion. 10. The airtight box assembly according to claim 1, characterized in that: the unlocking and locking mechanism is provided with a pusher that is slidably fixed on the box body and is rotatably fixed on the pusher and installed on the The connecting rod in the cover body, the push handle part is arranged on the top of the pushing member, and the connecting rod lifts up and pushes the cover backward under the action of the pushing member to open the airtight box.