CN207132626U - Refrigerator - Google Patents

Abstract

A kind of refrigerator is the utility model is related to, it includes storing compartment, and roller is separately installed with front side of the side wall of left and right two, and roller rear is provided with the first slideway of front and rear extension；And drawer, storing compartment can be inserted to front and rear push-and-pull, its left and right sidewall has the second slideway of front and rear extension respectively, and the second slideway is had the sliding block protruded out downwards by roller supporting, the first slideway rear end, and sliding block can be arranged on the first slideway slidingly back and forth.Refrigerator structure of the present utility model is simple, has both made drawer push-and-pull process more laborsaving, and do not increase cost.

Description

refrigerator

technical field

The utility model relates to a refrigeration device, in particular to a refrigerator.

Background technique

The drawer of the refrigerator is generally arranged in a storage room in a pushable and pullable manner, and the drawer will be pushed and pulled repeatedly during use.

In the existing structure, the left and right sides of the drawer are usually placed directly on the left and right side walls of the storage compartment of the refrigerator. When the drawer is pushed and pulled, it forms sliding friction with the side walls of the storage compartment, and the friction force is large.

Alternatively, a slide rail mechanism is provided between the drawer of the partially improved structure and the side wall of the storage compartment to reduce friction, but the structure of the slide rail structure is relatively complicated and the cost is also high.

Utility model content

One purpose of the utility model is to overcome at least one defect of the prior art, and provide a refrigerator with a simple structure, which saves labor in the process of pushing and pulling the drawer without increasing the cost.

A further object of the present invention is to facilitate locking of the drawer.

The further purpose of the utility model is to enable the drawer to move backward at an accelerated rate during the closing process of the drawer, which is beneficial to complete the locking process.

In particular, the utility model provides a refrigerator, which includes a storage compartment, rollers are respectively installed on the front sides of the left and right side walls, and a first slideway extending back and forth is arranged behind the rollers; and

The drawer can be pushed and pulled back and forth into the storage compartment, and its left and right side walls respectively have second slideways extending forward and backward. The second slideway is supported by rollers. The rear end of the first slideway has a downwardly protruding slider. The blocks are slidably arranged on the first slideway back and forth.

Optionally, the refrigerator further includes at least one locking mechanism, and each locking mechanism includes:

The pivoting lock is pivotally mounted on the side wall of the storage compartment around an axis extending left and right, and has front and rear locking teeth extending upward;

The holding piece is arranged on the drawer and has a locking hole. The locking mechanism is configured to: when the drawer is in a closed state, insert the front locking teeth into the locking hole to lock the drawer. At this time, the pivoting lock is in the first position; When the drawer is pulled forward, the pivotal lock is pivoted from the first position to the second position, so that the front locking tooth moves forward and downward to disengage from the locking hole, so as to release the lock of the drawer; when the drawer is pushed backward, the locking piece pushes back a rear detent that pivots the pivoting catch to the first position to allow the front detent to enter the detent hole to lock the drawer; and

The first elastic element is configured to apply a resistance moment to the pivoting lock during the pivoting process of the pivoting lock from the first position to the second position or from the second position to the first position.

Optionally, the first elastic element is a torsion spring whose axis extends left and right, the two ends of which are respectively hinged to the lower end of the pivoting lock and the side wall of the storage compartment, and are configured to:

When the pivot lock is at a critical position between the first position and the second position, the line of action of the thrust of the torsion spring on the pivot lock passes through the pivot point of the pivot lock;

When the pivoting lock is between the first position and the critical position, the thrust line of the torsion spring on the pivoting lock is located in front of the pivot point of the pivoting lock; and

When the pivoting lock is between the critical position and the second position, the thrust line of the torsion spring on the pivoting lock is located behind the pivot point of the pivoting lock.

Optionally, there are two locking mechanisms, the pivoting buckles of the two locking mechanisms are respectively arranged at the rear parts of the left and right side walls of the storage compartment, and the clamping parts of the two locking mechanisms are respectively arranged at the two Back end of the first slide.

Optionally, the refrigerator further includes: two mounting plates, the two mounting plates are respectively detachably mounted on the left and right side walls of the storage compartment, a first slideway is formed on the mounting plates, and the rollers and torsion springs are installed on the mounting plates. board.

Optionally, the refrigerator further includes at least one acceleration mechanism configured to drive the drawer to accelerate backward movement when the drawer moves backward and its action is triggered.

Optionally, each acceleration mechanism includes:

The first guide groove extending forward and backward is opened on the mounting plate;

The L-shaped second guide groove is located below the first guide groove, the front section is a vertical section, and the rear section is a horizontal section;

The translation block and the rotation block, which are hingedly connected and the hinge shaft extends along the left and right, are respectively slidably arranged in the first guide groove and the second guide groove, and the lower side of the rotation block is provided with a card slot;

The second elastic element is configured to apply a backward elastic preload to the translation block; and

The touch block is arranged on the side wall of the drawer; the acceleration mechanism is configured as:

When the drawer is in the open state, the rotating block is stuck in the vertical section of the second guide groove;

When the drawer moves backward, the touch block pushes the rear wall of the card slot, so that the rotating block rotates away from the vertical section of the second guide groove and enters the horizontal section, and the touch block enters the card slot. The translation block and the rotation block are elastically preloaded Accelerated backward movement under the force, driving the touch block and drawer to accelerate backward movement; and

During the forward movement of the drawer, when the touch block drives the rotating block to move forward to the bottom of the vertical section of the second guide groove, push the front wall of the slot to rotate the rotating block, snap into the vertical section, and disengage the touching block The card slot allows the drawer to continue to move forward.

Optionally, the drawer is correspondingly provided with two acceleration mechanisms.

Optionally, the second elastic element is a tension spring.

In the process of pushing and pulling the drawer of the refrigerator of the utility model, the roller supports the second slideway to form rolling friction, and the slide block slides on the first slideway to form sliding friction. Compared with the scheme in which the two sides of the drawer are directly placed on the side walls of the storage compartment in the existing structure, the utility model has smaller overall frictional force. Compared with the existing slide rail solution with complex structure, the structure is simple and the cost is low.

Further, the locking mechanism of the refrigerator of the present invention can automatically lock and unlock the drawer during the process of pushing and pulling the drawer, which is convenient for users to use. Moreover, during the process of pivoting the pivoting lock from the second position to the first position (that is, closing the drawer), the elastic element applies a resistance moment to the pivoting lock, that is, exerts a backward force on the holding member, so that the drawer Capable of locking and sealing securely. During the process of pivoting the pivoting lock from the first position to the second position (that is, opening the drawer), the elastic element can apply a resistance moment to the pivoting lock to form a buffer for the closing process of the drawer and prevent it from directly hitting the storage compartment. The rear wall of the object room.

Furthermore, the refrigerator of the present utility model can pull the drawer to accelerate and move backward by setting the acceleration structure, so that the locking part can be accelerated and hit the rear teeth to automatically complete the locking, without the need for the user to forcefully push the drawer, which facilitates the operation of closing the drawer and improves the user's ability to close the drawer. experience.

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a structural schematic diagram of a cabinet inner container and a drawer of a refrigerator according to an embodiment of the present invention;

Fig. 2 is a structural schematic view of the left side wall of the storage compartment of the refrigerator in Fig. 1;

Fig. 3 is a schematic structural view of the drawer of Fig. 1;

Fig. 4 is a schematic diagram of the bottom structure on the right side of the drawer shown in Fig. 3;

Fig. 5 is a schematic diagram of the state of the locking mechanism when the pivotal lock is in the first position;

Fig. 6 is a schematic diagram of the state of the locking mechanism shown in Fig. 5 when the pivotal lock is in the second position;

Fig. 7 is an exploded schematic view of the acceleration mechanism;

Fig. 8 is a structural schematic diagram of an acceleration mechanism;

Fig. 9 is a schematic diagram of the state when the rotating block is stuck in the vertical section of the second guide groove;

Fig. 10 is a schematic diagram of the state when the rotating block is in the horizontal section of the second guide groove.

Detailed ways

Fig. 1 is a schematic diagram of the structure of the inner liner and the drawer of a refrigerator in one embodiment of the present invention; Fig. 2 is a schematic diagram of the structure of the left side wall 22 of the storage compartment 201 of the refrigerator in Fig. 1; Schematic diagram of the structure of the drawer 10; FIG. 4 is a schematic diagram of the structure of the bottom right side of the drawer 10 shown in FIG. 3 .

As shown in Fig. 1 to Fig. 4, the embodiment of the present utility model provides a refrigerator. FIG. 1 schematically shows a box inner liner 20 . The box inner liner 20 defines a storage compartment 201 , and a drawer 10 is arranged in the storage compartment 201 . The upper side of the drawer 10 has a cover body 12 for closing the upper side opening of the drawer 10 .

Rollers 31 are respectively installed on the front sides of the left and right side walls 22 , 24 of the storage compartment 201 , and the rollers 31 can rotate around their own axes. A first slideway 32 extending forward and backward is provided behind the roller 31 , as shown in FIGS. 1 and 2 . The left and right side walls of the drawer 10 respectively have a second slideway 13 extending forward and backward. The second slideway 13 is supported by the rollers 31. The rear end of the first slideway 32 has a downwardly protruding slide block 15. The slide block 15 can move forward and backward. Slidingly arranged on the first slideway 32, as shown in Fig. 3 and Fig. 4 .

When the drawer 10 is pushed and pulled, the rollers 31 support the second slideway 13 to form rolling friction, and the slider 15 slides on the first slideway 32 to form sliding friction. When the drawer 10 is pulled forward to the front limit position, the rollers 31 can stop the slider 15 from moving forward, so that the drawer 10 cannot move forward and the drawer will not fall.

Compared with the existing structure in which the two sides of the drawer are directly placed on the left and right side walls of the storage compartment, the utility model has smaller overall frictional force. Compared with the existing slide rail solution with complex structure, the structure is simple and the cost is low.

In some embodiments, the refrigerator further includes at least one locking mechanism 80, which can lock the position of the drawer 10 when the drawer 10 is in a closed state.

FIG. 5 is a schematic view of the locking mechanism 80 when the pivoting lock 83 is at the first position; FIG. 6 is a schematic view of the locking mechanism 80 shown in FIG. 5 when the pivoting lock 83 is at the second position.

As shown in FIGS. 4 to 6 , in the embodiment of the present invention, each locking mechanism 80 may generally include a pivoting lock 83 , a retaining member 81 and a first elastic element. Wherein, the pivotal lock 83 is pivotably arranged on the side wall 22 of the storage compartment 201 around an axis extending left and right, and a front locking tooth 835 and a rear locking tooth 836 extend upward from its upper end, and the front locking tooth 835 is located at the rear The front of the bayonet 836. The clamping member 81 is disposed on the drawer 10 and has a clamping hole 812 passing through its upper and lower surfaces.

The number of locking mechanisms 80 is preferably two, and the pivoting locks 83 of the two locking mechanisms 80 are respectively arranged at the rear parts of the left and right side walls 22, 24 of the storage compartment 201, and the holding parts of the two locking mechanisms 80 81 are respectively arranged at the rear ends of the two first slideways 32 .

When the drawer 10 is in the closed state, as shown in FIG. 3 , the front locking tooth 835 is inserted into the locking hole 812 from the bottom of the locking hole 812 to lock the drawer 10 on the side wall 22 of the storage compartment 201. At this time, the pivot lock Buckle 83 is in the first position.

When the pivot lock 83 is in the first position shown in FIG. 5 , the drawer 10 is pulled forward, and the pivot lock 83 pivots from the first position to the second position, that is, from the state shown in FIG. 6 state, the front locking tooth 835 is moved forward and downward to disengage from the locking hole 812, so as to unlock the drawer 10. During this process, the first elastic element exerts a resistance moment on the pivotal lock 83, so that the user must overcome the resistance moment to pull the drawer 10 open, so that the lock between the drawer 10 and the side wall 22 of the storage compartment 201 is more stable. .

When the pivoting lock 83 is in the second position shown in FIG. 6 , the drawer 10 is pushed backwards to close, and the retaining member 81 will first touch the rear locking tooth 836 (at this moment, the position of the rear locking tooth 836 is higher than the locking tooth 836 ). member 81, the position of the retaining member 81 is higher than the front latch 835), so that the pivoting lock 83 pivots to the first position, that is, it pivots clockwise from the state of FIG. 6 to the state of FIG. Move back and up to insert the locking hole 812 from below the locking hole 812 , return to the first position, and lock the drawer 10 to the side wall 22 of the storage compartment 201 . During this process, the first elastic element exerts a resistance moment on the pivotal lock 83 to apply a certain buffer to the backward movement of the drawer 10 , which improves the user experience.

In the embodiment of the present invention, during the push and pull process of the drawer 10, the locking mechanism 80 can automatically lock and unlock the drawer 10, which is convenient for users.

In some embodiments, as shown in FIGS. 4 to 6 , the first elastic element can be a torsion spring 85 whose axis extends in the left-right direction, and the two ends of the torsion spring steel bar are respectively hinged to the lower end of the pivoting lock 83 (with Make the hinge point be located below the pivot shaft 831 of the pivot lock 83) and the left side wall 22 of the storage compartment 201 (hinged directly or indirectly to the left side wall 22 of the storage compartment 201). When the pivot lock 83 is in a critical position between the first position and the second position, the line of action of the thrust F of the torsion spring 85 on the pivot lock 83 passes through the pivot point of the pivot lock 83, and In this state, the thrust force of the torsion spring 85 is zero to the force arm of the pivotal lock 83 , and the pivotal lock 83 will not be rotated.

When the pivoting lock 83 is between the first position and the critical position, as shown in FIG. ahead.

When the pivoting lock 83 is between the critical position and the second position, as shown in FIG. rear.

In this way, during the opening process of the drawer 10, the pivoting lock 83 rotates counterclockwise, and the torsion spring 85 first applies a resistance torque to the pivoting lock 83 to make it rotate clockwise, creating resistance for the user to pull the drawer 10 open. After the pivot lock 83 turns over the critical position, the torque direction of the torsion spring 85 changes, so that the pivot lock 83 accelerates to pivot to the second position shown in FIG. 4 .

During the closing process of the drawer 10, the pivoting lock 83 rotates clockwise, and the torsion spring 85 first applies a resistance moment to the pivoting lock 83 to make it rotate counterclockwise, and buffers the closing of the drawer 10. When the pivoting lock After the buckle 83 turns over the critical position, the torque direction of the torsion spring 85 changes, so that the pivoting lock 83 accelerates to pivot to the first position shown in FIG. 3 . According to experiments, setting the force exerted by the torsion spring 85 on the pivotal lock 83 at 20±5N can make the user feel the best when pushing and pulling the drawer 10 .

In some embodiments, the refrigerator includes two installation boards 30, the two installation boards 30 are detachably installed on the left and right side walls 22, 24 of the storage compartment 201 respectively, and a first slideway 32 is formed on the installation board 30 , Roller 31 and torsion spring are installed on the mounting plate 30.

In the embodiment of the present utility model, the locking mechanism 80 can automatically lock and unlock the drawer 10, which is convenient for users to use. Moreover, during the process of the pivoting lock 83 pivoting from the second position to the first position (that is, closing the drawer 10), the torsion spring 85 applies a resistance moment to the pivoting lock 83, that is, exerts a backward force on the retaining member 81. Force, so that the drawer 10 can be firmly locked and sealed. During the process of the pivoting lock 83 pivoting from the first position to the second position (that is, opening the drawer 10), the torsion spring 85 can apply a resistance moment to the pivoting lock 83, so as to buffer the closing process of the drawer 10 and avoid It hits the storage compartment 201 rear wall directly.

In some embodiments, the refrigerator further includes at least one acceleration mechanism 40 configured to drive the drawer 10 to accelerate backward movement when the drawer 10 moves backward and its action is triggered.

7 is an exploded view of the acceleration mechanism 40; FIG. 8 is a schematic structural view of the acceleration mechanism 40; FIG. 9 is a schematic view of the state when the rotating block 60 is stuck in the vertical section 421 of the second guide groove 42; FIG. 10 is a schematic view of the rotating block 60 in the first position. The state schematic diagram of the horizontal section 422 of the second guide groove 42 .

As shown in Figures 7 to 10, the number of acceleration mechanisms 40 is preferably two, and each acceleration mechanism 40 includes a first guide groove 41 extending forward and backward, an L-shaped second guide groove 42, a translation block 50 and a rotating block 60 , the second elastic element 70 and the touch block 14 . Wherein, the first guiding groove 41 is defined on the mounting plate 30 . The second guide slot 42 is also opened on the mounting plate 30 and is located below the first guide slot 41 , the front section is a vertical section 421 , and the rear section is a horizontal section 422 . The translation block 50 and the rotation block 60 are hingedly connected, and the hinge shafts extend along the left and right directions, and are respectively slidably disposed in the first guide slot 41 and the second guide slot 42 . The lower side of the rotation block 60 is provided with a slot 63 . The second elastic element 70 is configured to exert a backward elastic pre-tightening force on the translation block 50 , the second elastic element 70 can be a tension spring, and its rearward ends are respectively connected to the translation block 50 and the mounting plate 30 . The touch block 14 is disposed on the side wall of the drawer 10 .

As shown in FIG. 7 , the mounting plate 30 has a chamber 401 with an open lower side, and a first guide groove 41 and a second guide groove 42 opposite to each other are defined on the left and right side walls thereof. The left and right sides of the translation element respectively have two guide columns 51 for inserting into the first guide slots 41 on the left and right sides. The rotating part has a rotating shaft 61, and the rotating shaft 61 is rotatably inserted into the mounting hole 52 of the leveling part. The rotating member has a guide post 62 for inserting into the second guide slot 42 .

When the drawer 10 is in an open state, the rotating block 60 is locked in the vertical section 421 of the second guide groove 42 , as shown in FIG. 9 .

When the drawer 10 moves backward (from FIG. 9 to FIG. 10 ), the touch block 14 pushes back the rear wall 632 of the slot 63, so that the rotating block 60 rotates away from the vertical section 421 of the second guide groove 42 and enters the horizontal section 422, The touch block 14 enters the slot, and the translation block 50 and the rotation block 60 are accelerated and moved backward under the action of the elastic pre-tightening force, driving the touch block 14 and the drawer 10 to move backward at an accelerated rate. The locking part 81 is accelerated to collide with the locking teeth 836 to automatically complete the locking, without the need for the user to forcefully push the drawer 10, which facilitates the operation of closing the drawer 10 and improves the user experience.

During the forward movement of the drawer 10 (from FIG. 10 to FIG. 9 ), when the touch block 14 drives the rotating block 60 to move forward to the bottom end of the vertical section 421 of the second guide groove 42, the front wall 631 of the card slot 63 is pushed to The rotating block 60 is rotated, snapped into the vertical section 421, and the touch block 14 is disengaged from the slot 63, so that the drawer 10 continues to move forward to the open state.

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (9)

1. A kind of 1. refrigerator, it is characterised in that including：

   Storing compartment, the side wall front side of left and right two are separately installed with roller, and the roller rear is provided with the first of front and rear extension Slideway；With

   Drawer, can insert to front and rear push-and-pull the storing compartment, and its left and right sidewall has the second slideway of front and rear extension, institute respectively The second slideway is stated by the roller supporting, the first slideway rear end has the sliding block protruded out downwards, and the sliding block can be front and rear sliding It is arranged on dynamicly on first slideway.
2. 2. refrigerator according to claim 1, it is characterised in that also including at least one retaining mechanism, each locking machine Structure includes：

   Lock is pivoted, the storing compartment side wall can be pivotally mounted to around the axis of one or so extension, and have and upwardly extend Preceding latch and rear latch；

   Holding part, the drawer is arranged at, it has hole clipping, and the retaining mechanism is configured to：It is in the drawer and closes shape During state, the preceding latch is set to insert the hole clipping, to lock the drawer, the now described lock that pivots is in first position；To During the preceding pulling drawer, the lock that pivots is switched to the second place from the first position, make the preceding latch forward Moved beneath departs from the hole clipping, to release the locking of the drawer；When promoting the drawer backward, the holding part pusher institute Rear latch is stated, makes the pivot latch pivot to the first position so that the preceding latch is described to lock into the hole clipping Drawer；With

   First flexible member, it is configured to be switched to the second place or from described from the first position in the lock that pivots During the second place is switched to the first position, can it apply the moment of resistance to the lock that pivots.
3. 3. refrigerator according to claim 2, it is characterised in that

   First flexible member is the torsion spring of axis or so extension, and its both ends is hingedly connected to described pivot and latches lower end and institute Storing compartment side wall is stated, and is configured to：

   When the pivot lock is in the critical localisation between the first position and the second place, the torsion spring is to institute The position for the thrust for pivoting lock is stated through the pivotal point of the pivot lock；

   When the pivot lock is between the first position and the critical localisation, the torsion spring latches to described pivot Thrust line positioned at it is described pivot lock pivotal point in front of；And

   When the pivot lock is between the critical localisation and the second place, the torsion spring latches to described pivot Thrust line positioned at it is described pivot lock pivotal point rear.
4. 4. refrigerator according to claim 3, it is characterised in that

   The quantity of the retaining mechanism is two, and the pivot lock of two retaining mechanisms is separately positioned on the storing compartment Left and right sidewall rear portion, the holding part of two retaining mechanisms are separately positioned on two the first slideway rear ends.
5. 5. refrigerator according to claim 4, it is characterised in that also include：

   Two installing plates, two installing plates are removably mounted in the left and right sidewall of the storing compartment respectively, described It is arranged on installing plate formed with first slideway, the roller and the torsion spring on the installing plate.
6. 6. refrigerator according to claim 5, it is characterised in that also include：

   At least one acceleration mechanism, when being configured to move and trigger after the drawer its action, the drawer is driven to be moved after accelerating.
7. 7. refrigerator according to claim 6, it is characterised in that each acceleration mechanism includes：

   First guide groove of front and rear extension, is opened on the installing plate；

   Second guide groove of L-shaped, below first guide groove, leading portion is vertical section, and back segment is horizontal segment；

   Be hinged and connected and jointed shaft along left and right extension translation block and moving block, be respectively slidably arranged at first guide groove With second guide groove, neck is offered on the downside of the moving block；

   Second flexible member, it is configured to apply the translation block elastic pre-stress backward；And

   Block is touched, is arranged at the drawer side wall；The acceleration mechanism is configured to：

   When the drawer is in open mode, the moving block is set to be stuck in the vertical section of second guide groove；

   When being moved after the drawer, card slot rear wall described in the touching block pusher, rotate the moving block and depart from described second The vertical section of guide groove enters horizontal segment, and the touching block enters the neck, the translation block and the moving block elastic pre- Clamp force is moved after acting on lower acceleration, is moved after driving the touching block and drawer acceleration；And

   During drawer reach, the touching block drive moving block moves forward to the vertical section bottom of second guide groove During end, the neck antetheca is promoted so that the moving block rotates, the vertical section is caught in, the touching block is departed from the card Groove, the drawer is set to continue to move forward.
8. 8. refrigerator according to claim 7, it is characterised in that

   The drawer is correspondingly arranged on two acceleration mechanisms.
9. 9. refrigerator according to claim 8, it is characterised in that

   Second flexible member is extension spring.